JPH02168565A - Fuel battery - Google Patents
Fuel batteryInfo
- Publication number
- JPH02168565A JPH02168565A JP63320384A JP32038488A JPH02168565A JP H02168565 A JPH02168565 A JP H02168565A JP 63320384 A JP63320384 A JP 63320384A JP 32038488 A JP32038488 A JP 32038488A JP H02168565 A JPH02168565 A JP H02168565A
- Authority
- JP
- Japan
- Prior art keywords
- water
- groove
- separator
- oxidizing agent
- collecting member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000007800 oxidant agent Substances 0.000 claims description 46
- 239000000843 powder Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- -1 filaments Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は燃料電池の構成に関し、特には燃料電池の空気
極にて生成された水の排出装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the construction of a fuel cell, and more particularly to a device for discharging water produced at the air electrode of a fuel cell.
従来の一般的な燃料電池の構成は触媒を担持した燃料極
とこれと同じ触媒を担持した空気極との間に電解質膜を
挟み、更に、これ等の極に燃料及び酸化剤を供給する通
路を有するセパレータが重ねられて形成されている。A typical conventional fuel cell has an electrolyte membrane sandwiched between a fuel electrode carrying a catalyst and an air electrode carrying the same catalyst, and a passage for supplying fuel and oxidizer to these electrodes. The separators are stacked one on top of the other.
更に、この単位セルを複数を積層し、燃料及び酸化剤供
給用のマニホルドを配置することにより構成されている
。Furthermore, it is constructed by stacking a plurality of these unit cells and arranging a manifold for supplying fuel and oxidizer.
然しなから、係る構成の燃料電池に於いては。However, in a fuel cell with such a configuration.
該セパレータの材質は一般的にはカーボン、グラファイ
ト等であり撥水性を有する為、前述のように反応の結果
空気極で水が生成されるがその水がセパレータ内で凝集
し水滴となって酸化剤通路を塞いでしまい酸化剤の流れ
が悪化し新規な酸化剤の供給が阻害されてしまうばかり
でなく１反応面積の減少により電池の性能が低下すると
言う恐れが有った。The material of the separator is generally carbon, graphite, etc., and has water repellency, so water is generated at the air electrode as a result of the reaction as described above, but the water condenses within the separator, becomes water droplets, and becomes oxidized. There is a fear that the flow of the oxidizing agent will be deteriorated by blocking the agent passage, which will not only impede the supply of new oxidizing agent, but also that the performance of the battery will deteriorate due to the reduction in the reaction area.
係る問題点を解決する為の対策として、特開昭６３−１
１０５５５号のように、空気極とセパレータとの間に親
水性の繊維構造体を設けると言う提案もあるが、構造が
複雑で大きくなり、水平位置では効果が少ないと言う問
題があった。As a measure to solve such problems, Japanese Patent Application Laid-Open No. 63-1
There is also a proposal to provide a hydrophilic fiber structure between the air electrode and the separator, as in No. 10555, but this has the problem that the structure is complicated and large, and that it is less effective in a horizontal position.
本発明の目的は上記従来技術の欠点を改良し。 The object of the present invention is to improve the above-mentioned drawbacks of the prior art.
生成された水を速やかに効率良く排出するようにし燃料
電池の効率を向上せしめることが出来る燃料電池号提供
しようとするものである。It is an object of the present invention to provide a fuel cell capable of quickly and efficiently discharging generated water and improving the efficiency of the fuel cell.
本発明は上記目的を達成する為に以下の技術構成を採用
したものである。In order to achieve the above object, the present invention employs the following technical configuration.
即ち、燃料と酸化剤とを反応させ発電を行う燃料電池に
於いて、燃料と酸化剤の通路兼集電材として機能するセ
パレータの空気極に面した酸化剤供給用溝表面の少なく
とも一部に親水性材料からなる吸水層を該溝の長手方向
に沿って配設し、該セパレータの酸化剤供給手段に面す
る端面に酸化剤が流動する通路を有する親水性材料より
なる水補集部材を配設すると共に、前記吸水層と該水補
集部材とを接続した水排出装置を有する燃料電池である
。That is, in a fuel cell that generates electricity by reacting fuel and oxidizer, at least a portion of the surface of the oxidizer supply groove facing the air electrode of the separator, which functions as a passage for the fuel and oxidizer and as a current collector, is made hydrophilic. A water absorbing layer made of a hydrophilic material is arranged along the longitudinal direction of the groove, and a water collecting member made of a hydrophilic material having a passage through which the oxidizing agent flows is arranged on the end face of the separator facing the oxidizing agent supply means. The fuel cell further includes a water discharge device connecting the water absorbing layer and the water collecting member.
更に１本発明に於ける燃料電池では該セパレータの酸化
剤供給手段に面する端面に配置される水補集部材を酸化
剤が流動する例えばメツシュ等からなる孔部を有する板
状体に形成すると共に特別なケースとして、親水性材料
からなる水補集部材を該セパレータの酸化剤供給手段に
面する端面に該酸化剤供給用溝の端部を開口した状態で
添着せしめると共に該水補集部材を該セパレータの燃料
極及び空気極とに面するそれぞれの面の一部迄延展添着
せしめた構造とするもｐである。Furthermore, in the fuel cell according to the present invention, the water collecting member disposed on the end face of the separator facing the oxidizing agent supply means is formed into a plate-like body having holes made of, for example, a mesh through which the oxidizing agent flows. In addition, as a special case, a water collecting member made of a hydrophilic material is attached to the end face of the separator facing the oxidizing agent supply means with the end of the oxidizing agent supply groove open, and the water collecting member is The separator has a structure in which it extends to a part of each surface facing the fuel electrode and the air electrode.
本発明にあっては係る構成を採用したことによって、該
空気極で発生した水は凝集はするが、直ちに酸化剤供給
用溝１１内の溝表面に設けた親水性材料に吸収され毛細
管現象によりその端部まで搬送されて該水補集部材を介
して該マニホルドの下部に集められドレインにより外部
に排出されるものであるから、該溝が水の滞留により閉
塞されることはない。In the present invention, by adopting such a configuration, water generated at the air electrode aggregates, but is immediately absorbed by the hydrophilic material provided on the groove surface in the oxidizing agent supply groove 11 due to capillary action. Since the water is conveyed to the end, collected at the lower part of the manifold via the water collection member, and discharged to the outside by the drain, the groove will not be blocked by water retention.
又、該セパレータの端部に配設された水補集部材は酸化
剤の流通孔を形成しているため酸化剤の供給は何ら阻害
されることがない。Further, since the water collecting member disposed at the end of the separator forms a flow hole for the oxidizing agent, the supply of the oxidizing agent is not hindered in any way.
従って１本発明にあっては、酸化剤の供給を十分に確保
しながら空気極にて発生した水を速やかに効果釣に排出
しうる為燃料電池の性能を劣化させることなく高水準に
維持することが出来る。Therefore, in the present invention, the water generated at the air electrode can be promptly discharged while ensuring a sufficient supply of oxidizing agent, thereby maintaining the fuel cell performance at a high level without deteriorating it. I can do it.
更に本発明に於いては、該セパレータが複数個積層され
た場合でも各セパレータの端部に設けた該水補集部材の
延展添着部分同志が接触して水の排水を効果的に実行し
うるのである。Furthermore, in the present invention, even when a plurality of separators are stacked, the extended and attached portions of the water collection member provided at the ends of each separator come into contact with each other to effectively drain water. It is.
以下１本発明の実施例を図面を参照しながら説明する。 An embodiment of the present invention will be described below with reference to the drawings.
本発明に於いて使用される燃料と酸化剤の通路兼集電材
として機能するセパレータ１０は第１図（Ａ）に示す様
に燃料電池の燃料極と空気極の間に配置され通常、該空
気極を接する面（図の上面）には酸化剤を通過させる酸
化剤供給用溝１１が。A separator 10 used in the present invention, which functions as a passage for the fuel and oxidizer and also as a current collector, is placed between the fuel electrode and the air electrode of a fuel cell as shown in FIG. An oxidizing agent supply groove 11 for passing the oxidizing agent is provided on the surface in contact with the electrode (the top surface in the figure).
また燃料極と接する面（図の下面）には燃料供給用溝１
２が設けられている。In addition, there is a fuel supply groove 1 on the surface in contact with the fuel electrode (lower surface in the figure).
2 is provided.
本発明に於いては係る構造のセパレータ１０に設けられ
た該酸化剤供給用溝１１の少なくとも一部に第１図（Ｂ
）に示す用に、親水性材料からなる吸水層１３を該溝の
長手方向に沿って配設するものであり、その配設方法は
該酸化剤供給用溝１１内部の底部Ａ若しくは側壁部Ｂの
表面に配設するものであっても良く、又その両者に配設
したもので有っても良い。In the present invention, at least a part of the oxidizing agent supply groove 11 provided in the separator 10 having such a structure is
), a water absorbing layer 13 made of a hydrophilic material is disposed along the longitudinal direction of the groove, and the method of disposing it is as follows: It may be placed on the surface of the substrate, or it may be placed on both of them.
本発明に使用される親水性材料からなる吸水層１３は例
えば該酸化剤供給用溝内に発生する水を吸水して該溝１
１の端部にまで搬送しうる機能を有するものであれば如
何なるもので有っても良く。The water absorbing layer 13 made of a hydrophilic material used in the present invention absorbs water generated in the oxidizing agent supply groove, for example, and
Any material may be used as long as it has the function of being able to convey the material to the end of the material.
編織物、糸条体、不織布等からなる繊維構造体。Fiber structures consisting of knitted fabrics, filaments, nonwoven fabrics, etc.
紙類、更には親水性材料からなる塗料、あるいは粉体等
を配設したもので有っても良く又、有機或いは無機の微
粒子を接着材により或いは焼結手段等により固形化した
多孔質体を配設したもので有ってもよい。又、かかる親
水性材料として親水性処理を施したフッ素樹脂等を使用
する事も出来る。It may be paper, or it may be coated with paint made of hydrophilic material, powder, etc., or it may be a porous body made of organic or inorganic fine particles solidified by adhesive or sintering means. It may also be provided with Further, as such a hydrophilic material, a fluororesin or the like which has been subjected to a hydrophilic treatment can also be used.
上記の親水性材料からなる粉体としては９例えば炭化ケ
イ素、カーボンブラック等が用いられる。As the powder made of the above-mentioned hydrophilic material, for example, silicon carbide, carbon black, etc. are used.
又１本発明に於いては生成された水の排出をより効果的
に実行する為、第２図に示すように、該酸化剤供給−用
溝１１の端部が存在する該セパレータＩＯの酸化剤供給
用マニホルド３０側の側面１７に親水性材料よりなる水
補集部材１５を配設すると共に、前記吸水層１３と該水
補集部材１５とを接続するように構成したものである。In addition, in the present invention, in order to discharge the generated water more effectively, as shown in FIG. A water collecting member 15 made of a hydrophilic material is disposed on the side surface 17 on the side of the agent supply manifold 30, and the water absorbing layer 13 and the water collecting member 15 are connected to each other.
係る親水性材料からなる水補集部材の材料としては１例
えば上記した吸水層に使用される親水性材料と同一のも
のが使用できる。As the material for the water-collecting member made of such a hydrophilic material, for example, the same hydrophilic material as used for the above-mentioned water absorbing layer can be used.
本発明に於いては、該水補集部材１５を１つのセパレー
タの当該面１７に配設してもよい。In the present invention, the water collecting member 15 may be provided on the surface 17 of one separator.
この場合、該水補集部材１５はその両端を該酸化剤供給
用溝１１の端部を被覆することなく、該セパレータの燃
料極及び空気極に面するそれぞれの面の一部迄延展添着
せしめておくことが好ましい。このように構成すること
によって、該セパレータが複数個積層された場合各セパ
レータの端部に設けた該水補集部材の該延展添着部分同
志が接触して水の排水を効果的に実行しうるのである。In this case, the water collecting member 15 does not cover the ends of the oxidizing agent supply groove 11 at both ends thereof, but extends to a part of each surface of the separator facing the fuel electrode and the air electrode. It is preferable to keep it. With this configuration, when a plurality of separators are stacked, the extended attachment portions of the water collection member provided at the ends of each separator come into contact with each other, thereby effectively draining water. It is.
第２図（Ａ）は前記セパレータ１０．及び燃料極１．電
解質膜３．空気極２とを積層した単位セルを複数個積層
した燃料電池を示す斜視図である。FIG. 2(A) shows the separator 10. and fuel electrode 1. Electrolyte membrane 3. FIG. 2 is a perspective view showing a fuel cell in which a plurality of unit cells each including an air electrode 2 are stacked.
第２図（Ｂ）より明らかなように、該セパレータ１０の
空気極２に面した面の表面に設けた酸化剤供給用溝１１
の内部に１ま第１図（Ｂ）に示されているように親水性
材料からなる吸水層１３がその底部と両側壁部に配置せ
しめられており、且つ該セパレーク１０の酸化剤供給用
マニホルド３０に対向した側面１７には親水性粉粒体か
ら構成された多孔質材料からなる板状体又は膜状体の水
補集部材１５が添着せし給られており又、該水補集部材
１５には酸化剤が酸化剤供給用溝１１を流通するのを妨
げない様に該酸化剤供給用溝と対向している部分に流通
孔２１が設けられている。As is clear from FIG. 2(B), the oxidizing agent supply groove 11 provided on the surface of the separator 10 facing the air electrode 2
As shown in FIG. 1(B), a water absorption layer 13 made of a hydrophilic material is disposed on the bottom and both side walls of the separator lake 10, and a manifold for supplying an oxidizing agent to the separator lake 10. A water collecting member 15 in the form of a plate or film made of a porous material made of hydrophilic powder is attached to the side surface 17 opposite to the water collecting member 30. 15 is provided with a communication hole 21 in a portion facing the oxidizing agent supplying groove 11 so as not to prevent the oxidizing agent from flowing through the oxidizing agent supplying groove 11.
尚９本発明にあっては、該セパレータ１０は複数段に重
ねられるものであるので、該水補集部材１５は接層後の
燃料電池に於ける該セパレータの酸化剤供給用マニホル
ド３０側の側面１７全面に添着、あるいは接合により配
設することもできる。In the present invention, since the separators 10 are stacked in multiple stages, the water collecting member 15 is placed on the side of the oxidizer supply manifold 30 of the separator in the fuel cell after the layers are connected. It can also be provided on the entire surface of the side surface 17 by attachment or bonding.
更に、該水補集部材１５は該吸水層１３と該酸化剤供給
用溝の端部において接合されており、該吸水層′−１３
、に取り込まれた水は水補集部材１５へ移送されるよう
になっている。Further, the water collecting member 15 is joined to the water absorption layer 13 at the end of the oxidizing agent supply groove, and the water absorption layer 13
The water taken in is transferred to the water collecting member 15.
該水補集部材の下端部は酸化剤供給用マニホルド３０の
底部に達しており、該水補集部材１５により集められた
水は該底部に設けられたドレイン３１から系外に排出さ
れる。The lower end of the water collecting member reaches the bottom of the oxidizing agent supply manifold 30, and the water collected by the water collecting member 15 is discharged out of the system from a drain 31 provided at the bottom.
本実施例の作用は次の通りである。The operation of this embodiment is as follows.
即ち、燃料電池が駆動されると２反応の結果空気極に水
が生成される。That is, when the fuel cell is driven, water is produced at the air electrode as a result of two reactions.
係る水はセパレータ１０に刻設された溝ｌｌ内で水滴と
なるが９本発明においては該溝１１の表面に前記した吸
水層１３が存在している為、直ちに吸水層１３に吸水さ
れるので、該水が大きい粒状となって溝部を塞ぐ事が防
止できる。Such water becomes water droplets in the grooves 11 formed in the separator 10, but in the present invention, since the water absorption layer 13 described above exists on the surface of the groove 11, the water is immediately absorbed by the water absorption layer 13. This prevents the water from turning into large particles and blocking the grooves.
吸水層１３に吸収された水は毛細管現象にてセパレータ
１０の端部に運ばれる。Water absorbed in the water absorption layer 13 is transported to the end of the separator 10 by capillary action.
ここで、該吸水層１３が水補集部材２０と接触している
ため水は該水補集部材２０に伝わり１毛細管現象及び重
力で下方に伝わりドレイン３１から系外に排出されるも
のである。Here, since the water absorption layer 13 is in contact with the water collection member 20, water is transmitted to the water collection member 20, transmitted downward by capillary action and gravity, and is discharged from the system through the drain 31. .
従って１本実施例では、空気極で生成した水は酸化剤供
給用溝内に滞留することなく速やかに排出される為、燃
料電池としての電池性能の低下がなく、長時間初期の性
能を維持することが出来るのである。Therefore, in this example, the water generated at the air electrode is quickly discharged without remaining in the oxidizer supply groove, so the cell performance as a fuel cell does not deteriorate and the initial performance is maintained for a long time. It is possible to do so.
次に本発明の他の実施例を第３図により説明するならば
、第３図は第２図の実施例に於ける板状体又は膜状体の
水補集部材の代わりに親水性繊維を主体としたメツシュ
構造体２３を用いたものである。Next, another embodiment of the present invention will be explained with reference to FIG. 3. In the embodiment of FIG. A mesh structure 23 mainly composed of is used.
該メツシュ構造体２３は、ネット状或いは網状のメツシ
ュ構造体で有っても良く又、格子状構成体で有っても良
い。The mesh structure 23 may be a net-like or net-like mesh structure, or may be a lattice-like structure.
本実施例にあっては該メツシュ構造体のメッシニビッチ
を前記酸化剤供給用溝１１の幅よりも小さくする事が好
ましく、前記の実施例に比べて該水補集部材の取り付は
位置の精度を厳しくする必要がなく、簡単で安価である
と言う効果を有するものである。In this embodiment, it is preferable that the mesh width of the mesh structure is smaller than the width of the oxidizing agent supply groove 11, and compared to the above embodiments, the mounting of the water collection member is performed with higher precision in position. There is no need to make the process strict, and it is simple and inexpensive.
又、第４図は本発明の他の実施例を示しており。Further, FIG. 4 shows another embodiment of the present invention.
セパレ＼−名１０の端部に添着される水補集部材の添着
形態についての断面図が示されている。A sectional view of a water collecting member attached to the end of the separator 10 is shown.
本実施例では、カーボンブラック、炭化ケイ素（ＳｉＣ
）等からなる親水性を有する粉体２４からなる膜状体１
５をセパレータの酸化剤供給手段に面する端面１７に該
酸化剤供給用溝の端部を開口した状態で添着せしめたも
のであり、更に該水補集部材の一部はその上下の端部を
延長して該セパレータ１０の燃料極及び空気極とに面す
るそれぞれの面の端縁部２５．２６に迄延展せしめそこ
で当該端縁部２５．２６に接合１６．１８せしめられて
いる。In this example, carbon black, silicon carbide (SiC
) etc. A membrane-like body 1 consisting of a powder 24 having hydrophilic properties such as
5 is attached to the end surface 17 of the separator facing the oxidizing agent supply means with the end of the oxidizing agent supply groove open, and furthermore, a part of the water collecting member is attached to the upper and lower ends thereof. is extended to the edge 25.26 of each side of the separator 10 facing the fuel electrode and the air electrode, and is joined 16.18 to the edge 25.26 there.
該接合部１６．１８の厚さは該セパレータが積層された
場合該セパレータ間において水補集部材同志が互いに密
接して隙間が開かないような条件に設定すれば良い。The thickness of the joint portions 16 and 18 may be set to such a condition that when the separators are stacked, the water-collecting members are brought into close contact with each other and there are no gaps between the separators.
係る構成のセパレータを予め幾つか容易しておき燃料電
池を組み立てる際に該セパレータを複数個単に積層する
だけで本発明の目的とする燃料電池を容易に得ることが
できるのである。The fuel cell that is the object of the present invention can be easily obtained by preparing several separators having such a configuration in advance and simply stacking a plurality of separators when assembling the fuel cell.
第１図（Ａ）は本発明に使用されるセパレータを示す斜
視図であり、第１図（Ｂ）はその一部断面図である。
第２図（Ａ）は本発明にかかる燃料電池の１実施例を示
す斜視図であり、第２図（Ｂ）はその−部断面図である
。
第３図は本発明にかかる燃料電池の他の実施例を示す斜
視図である。
第４図は本発明にかかる燃料電池の他の実施例を示す一
部断面図である。
２・・・空ｆｉＬ １（１・・・セパレータ
、１２・・・燃料供給用溝、１３・・・吸水層、１５．
２３・・・水補集部材、
１７・・・セパレータの酸化剤供給マニホルド側の端面
、
２１・・・流通孔、 ３１・・・ドレイン。FIG. 1(A) is a perspective view showing a separator used in the present invention, and FIG. 1(B) is a partially sectional view thereof. FIG. 2(A) is a perspective view showing one embodiment of the fuel cell according to the present invention, and FIG. 2(B) is a sectional view thereof. FIG. 3 is a perspective view showing another embodiment of the fuel cell according to the present invention. FIG. 4 is a partial sectional view showing another embodiment of the fuel cell according to the present invention. 2... Empty fiL 1 (1... Separator, 12... Fuel supply groove, 13... Water absorption layer, 15.
23... Water collection member, 17... End face of separator on the oxidizing agent supply manifold side, 21... Distribution hole, 31... Drain.
Claims (5)
於いて、燃料と酸化剤の通路兼集電材として機能するセ
パレータの空気極に面した酸化剤供給用溝表面の少なく
とも一部に親水性材料からなる吸水層を該溝の長手方向
に沿って配設し、該セパレータの酸化剤供給手段に面す
る端面に酸化剤が流動する通路を有する親水性材料より
なる水補集部材を配設すると共に、前記吸水層と該水補
集部材とを接続した事を特徴とする燃料電池(1) In a fuel cell that generates electricity by reacting fuel and oxidizer, at least a portion of the surface of the oxidizer supply groove facing the air electrode of the separator, which functions as a passage for the fuel and oxidizer and as a current collector. A water absorbing layer made of a hydrophilic material is disposed along the longitudinal direction of the groove, and a water collecting member made of a hydrophilic material has a passage through which the oxidizing agent flows on the end face of the separator facing the oxidizing agent supply means. A fuel cell characterized in that the water absorbing layer and the water collecting member are connected to each other.
た板状体に酸化剤が流通する孔部が設けられたものであ
ることを特徴とする請求項１記載の燃料電池(2) The fuel cell according to claim 1, wherein the water collecting member is a plate-shaped body mainly made of a hydrophilic material and provided with holes through which an oxidizing agent flows.
たメッシュ状構成体からなり、該メッシュ状構成体にお
けるメッシュのピッチが前記酸化剤供給用溝幅よりも小
さいものであることを特徴とする請求項２記載の燃料電
池(3) The water collecting member is composed of a mesh-like structure mainly made of a hydrophilic material, and the pitch of the mesh in the mesh-like structure is smaller than the width of the oxidizing agent supply groove. The fuel cell according to claim 2, characterized in that:
酸化剤供給手段に面する端面に該酸化剤供給用溝の端部
を開口した状態で添着せしめられると共に該水補集部材
が該セパレータの燃料極及び空気極とに面するそれぞれ
の面の一部迄延展添着せしめられていることを特徴とす
る特徴とする請求項１記載の燃料電池(4) A water collecting member made of a hydrophilic material is attached to the end face of the separator facing the oxidizing agent supply means with the end of the oxidizing agent supply groove open, and the water collecting member is attached to the end face of the separator facing the oxidizing agent supply means. The fuel cell according to claim 1, characterized in that the separator is attached extending to a part of each surface facing the fuel electrode and the air electrode.
ことを特徴とする特徴とする請求項４記載の燃料電池(5) The fuel cell according to claim 4, wherein the hydrophilic material of the water collecting member is a hydrophilic powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63320384A JPH02168565A (en) | 1988-12-21 | 1988-12-21 | Fuel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63320384A JPH02168565A (en) | 1988-12-21 | 1988-12-21 | Fuel battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02168565A true JPH02168565A (en) | 1990-06-28 |
Family
ID=18120871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63320384A Pending JPH02168565A (en) | 1988-12-21 | 1988-12-21 | Fuel battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02168565A (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0541230A (en) * | 1990-08-03 | 1993-02-19 | Fuji Electric Co Ltd | Solid polyelectrolyte fuel cell and method for supplying water and gas contained in the membrane |
| JPH06188008A (en) * | 1992-04-01 | 1994-07-08 | Toshiba Corp | Fuel cell |
| JPH08138692A (en) * | 1994-11-04 | 1996-05-31 | Toyota Motor Corp | Fuel cell |
| WO1997006571A1 (en) * | 1995-08-04 | 1997-02-20 | Ballard Power Systems Inc. | Device provided with an opening to regulate the flow of humidified gas streams of electrochemical fuel cells |
| JP2001076737A (en) * | 1999-09-01 | 2001-03-23 | Nichias Corp | Fuel cell separator |
| JP2001093539A (en) * | 1999-09-28 | 2001-04-06 | Matsushita Electric Ind Co Ltd | Solid polymer electrolyte fuel cell |
| JP2001332274A (en) * | 2000-05-24 | 2001-11-30 | Sony Corp | Electric energy generator |
| WO2001061775A3 (en) * | 2000-02-17 | 2002-08-22 | Nedstack Holding B V | Water removal in pem fuel cells |
| JP2002530816A (en) * | 1998-11-12 | 2002-09-17 | コミツサリア タ レネルジー アトミーク | Bipolar plate for fuel cell and fuel cell with such plate |
| WO2003090305A1 (en) * | 2002-04-19 | 2003-10-30 | Sony Corporation | Formation water treating system and formation water treating method, and power generator |
| JP2004296175A (en) * | 2003-03-26 | 2004-10-21 | Seiko Instruments Inc | Fuel cell and manufacturing method thereof |
| JP2004342534A (en) * | 2003-05-19 | 2004-12-02 | Yuasa Corp | Liquid fuel type fuel cell |
| JP2005339846A (en) * | 2004-05-24 | 2005-12-08 | Toyota Motor Corp | FUEL CELL SEPARATOR, FUEL CELL HAVING THE SAME, AND METHOD FOR PRODUCING FUEL CELL SEPARATOR |
| JP2007095677A (en) * | 2005-09-15 | 2007-04-12 | Gm Global Technology Operations Inc | Hydrophilic layer on flow field for water control in pem fuel cell |
| KR100728789B1 (en) * | 2005-11-29 | 2007-06-19 | 삼성에스디아이 주식회사 | Direct oxidation fuel cell |
| JP2007227369A (en) * | 2006-01-27 | 2007-09-06 | Gm Global Technology Operations Inc | Super-hydrophilic manoporous electrically conductive coatings for pem fuel cells |
| EP1357624A4 (en) * | 2001-04-03 | 2007-11-28 | Matsushita Electric Industrial Co Ltd | POLYMER ELECTROLYTE FUEL CELL AND ITS OPERATING PROCESS |
| EP1791203A3 (en) * | 2005-11-29 | 2008-01-23 | Samsung SDI Co., Ltd. | Direct Oxidation Fuel Cell |
| JP2008098181A (en) * | 1998-09-04 | 2008-04-24 | Toshiba Corp | Polymer electrolyte fuel cell system |
| US7659024B2 (en) | 2005-05-13 | 2010-02-09 | Panasonic Corporation | Fuel cell having a separator with water-retaining groove portions |
| DE102009011239A1 (en) * | 2009-03-02 | 2010-09-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low-temperature fuel cell with integrated water management system for the passive discharge of product water |
| JP2016021339A (en) * | 2014-07-15 | 2016-02-04 | トヨタ車体株式会社 | Fuel cell |
| DE102007055220B4 (en) | 2006-11-22 | 2018-07-05 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | A fuel cell assembly |
| JP2018114207A (en) * | 2017-01-20 | 2018-07-26 | 三菱電機株式会社 | Cooking container, heating cooker, and method of manufacturing cooking container |
| JP2019125531A (en) * | 2018-01-18 | 2019-07-25 | トヨタ自動車株式会社 | Fuel cell |
-
1988
- 1988-12-21 JP JP63320384A patent/JPH02168565A/en active Pending
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0541230A (en) * | 1990-08-03 | 1993-02-19 | Fuji Electric Co Ltd | Solid polyelectrolyte fuel cell and method for supplying water and gas contained in the membrane |
| JPH06188008A (en) * | 1992-04-01 | 1994-07-08 | Toshiba Corp | Fuel cell |
| JPH08138692A (en) * | 1994-11-04 | 1996-05-31 | Toyota Motor Corp | Fuel cell |
| WO1997006571A1 (en) * | 1995-08-04 | 1997-02-20 | Ballard Power Systems Inc. | Device provided with an opening to regulate the flow of humidified gas streams of electrochemical fuel cells |
| JP2008098181A (en) * | 1998-09-04 | 2008-04-24 | Toshiba Corp | Polymer electrolyte fuel cell system |
| JP2002530816A (en) * | 1998-11-12 | 2002-09-17 | コミツサリア タ レネルジー アトミーク | Bipolar plate for fuel cell and fuel cell with such plate |
| JP2001076737A (en) * | 1999-09-01 | 2001-03-23 | Nichias Corp | Fuel cell separator |
| JP2001093539A (en) * | 1999-09-28 | 2001-04-06 | Matsushita Electric Ind Co Ltd | Solid polymer electrolyte fuel cell |
| WO2001061775A3 (en) * | 2000-02-17 | 2002-08-22 | Nedstack Holding B V | Water removal in pem fuel cells |
| JP2001332274A (en) * | 2000-05-24 | 2001-11-30 | Sony Corp | Electric energy generator |
| EP2051324A1 (en) * | 2001-04-03 | 2009-04-22 | Panasonic Corporation | Polymer electrolyte fuel cell and operation method thereof |
| US7635532B2 (en) | 2001-04-03 | 2009-12-22 | Panasonic Corporation | Polymer electrolyte fuel cell |
| EP1357624A4 (en) * | 2001-04-03 | 2007-11-28 | Matsushita Electric Industrial Co Ltd | POLYMER ELECTROLYTE FUEL CELL AND ITS OPERATING PROCESS |
| JP2004241363A (en) * | 2002-04-19 | 2004-08-26 | Sony Corp | Produced water treatment system, produced water treatment method, and power generation device |
| US7816043B2 (en) | 2002-04-19 | 2010-10-19 | Sony Corporation | Water disposal system, method of disposing water, and power generation apparatus |
| WO2003090305A1 (en) * | 2002-04-19 | 2003-10-30 | Sony Corporation | Formation water treating system and formation water treating method, and power generator |
| JP2004296175A (en) * | 2003-03-26 | 2004-10-21 | Seiko Instruments Inc | Fuel cell and manufacturing method thereof |
| JP2004342534A (en) * | 2003-05-19 | 2004-12-02 | Yuasa Corp | Liquid fuel type fuel cell |
| JP2005339846A (en) * | 2004-05-24 | 2005-12-08 | Toyota Motor Corp | FUEL CELL SEPARATOR, FUEL CELL HAVING THE SAME, AND METHOD FOR PRODUCING FUEL CELL SEPARATOR |
| US7659024B2 (en) | 2005-05-13 | 2010-02-09 | Panasonic Corporation | Fuel cell having a separator with water-retaining groove portions |
| JP2007095677A (en) * | 2005-09-15 | 2007-04-12 | Gm Global Technology Operations Inc | Hydrophilic layer on flow field for water control in pem fuel cell |
| US7604891B2 (en) | 2005-11-29 | 2009-10-20 | Samsung Sdi Co., Ltd. | Direct oxidation fuel cell |
| EP1791203A3 (en) * | 2005-11-29 | 2008-01-23 | Samsung SDI Co., Ltd. | Direct Oxidation Fuel Cell |
| KR100728789B1 (en) * | 2005-11-29 | 2007-06-19 | 삼성에스디아이 주식회사 | Direct oxidation fuel cell |
| JP2007227369A (en) * | 2006-01-27 | 2007-09-06 | Gm Global Technology Operations Inc | Super-hydrophilic manoporous electrically conductive coatings for pem fuel cells |
| DE102007055220B4 (en) | 2006-11-22 | 2018-07-05 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | A fuel cell assembly |
| DE102009011239A1 (en) * | 2009-03-02 | 2010-09-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low-temperature fuel cell with integrated water management system for the passive discharge of product water |
| JP2016021339A (en) * | 2014-07-15 | 2016-02-04 | トヨタ車体株式会社 | Fuel cell |
| JP2018114207A (en) * | 2017-01-20 | 2018-07-26 | 三菱電機株式会社 | Cooking container, heating cooker, and method of manufacturing cooking container |
| JP2019125531A (en) * | 2018-01-18 | 2019-07-25 | トヨタ自動車株式会社 | Fuel cell |
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