JPH084000B2 - Sealed storage battery - Google Patents
Sealed storage batteryInfo
- Publication number
- JPH084000B2 JPH084000B2 JP62123169A JP12316987A JPH084000B2 JP H084000 B2 JPH084000 B2 JP H084000B2 JP 62123169 A JP62123169 A JP 62123169A JP 12316987 A JP12316987 A JP 12316987A JP H084000 B2 JPH084000 B2 JP H084000B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- gas passage
- valve
- battery container
- sealed storage
- 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.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000010248 power generation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002545 silicone oil Polymers 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/136—Flexibility or foldability
-
- 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
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は弁構造を改良した密閉形蓄電池に関するもの
である。TECHNICAL FIELD The present invention relates to a sealed storage battery having an improved valve structure.
従来の技術とその問題点 密閉形蓄電池においては、従来より様々な弁構造が採
用されている。Conventional technology and its problems In sealed storage batteries, various valve structures have been conventionally used.
しかしながら従来の弁構造は、いずれも相当大きな体
積を占めるものであり、電池の体積効率を悪くするとい
う欠点を有していた。However, each of the conventional valve structures occupies a considerably large volume and has a drawback of deteriorating the volumetric efficiency of the battery.
発明の目的 本発明は以上の点に鑑みてなされたものであり、体積
効率の良い弁構造を提案するものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and proposes a valve structure with good volume efficiency.
発明の構成 すなわち本発明はガス路と、該ガス路の一端のガス抜
き口の周囲に形成された弁座と、該弁座の周囲に形成さ
れた溝部と、該溝部の周囲に形成された周壁部とを有
し、かつガス路の他端のガス路入口が電池内部と連通し
ている電池容器部材を備えた密閉形蓄電池において、該
電池容器部材の弁座上面はほぼ周壁部上面と同一の高さ
を有しており、かつ該電池容器部材の周壁部上面に電池
外部と連通する未接合部からなる排気路を残して接合さ
れた可撓性で膜状の材料からなる弁部材を備えることを
特徴とするものである。Configuration of the Invention That is, the present invention is a gas passage, a valve seat formed around the gas vent port at one end of the gas passage, a groove portion formed around the valve seat, and a groove formed around the groove portion In a sealed storage battery having a battery container member having a peripheral wall portion and a gas passage inlet at the other end of the gas passage communicating with the inside of the battery, the valve seat upper surface of the battery container member is substantially the upper surface of the peripheral wall portion. A valve member made of a flexible film-like material having the same height and joined to the upper surface of the peripheral wall portion of the battery container member leaving an exhaust passage formed of an unjoined portion communicating with the outside of the battery. It is characterized by including.
実施例 以下、本発明をその一実施例により説明する。すなわ
ち第１図は本発明の一実施例を示す斜視図、第２図は第
１図の要部を拡大した一部破断半裁斜視図である。図面
において１は合成樹脂製の電池容器部材、２は合成樹脂
製のシートを複数枚重ね合わせた可撓性のラミネートシ
ートからなる袋状の発電要素収容部材、３は正極端子、
４は負極端子である。正極端子３、負極端子４は電池容
器部材１にインジェクション成形されており、発電要素
収容部材２内においてそれぞれの発電要素と接合されて
いる。Example Hereinafter, the present invention will be described with reference to an example thereof. That is, FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG. 2 is a partially cutaway half-cut perspective view in which an essential part of FIG. 1 is enlarged. In the drawings, 1 is a battery case member made of synthetic resin, 2 is a bag-shaped power generation element accommodating member made of a flexible laminate sheet in which a plurality of synthetic resin sheets are stacked, 3 is a positive electrode terminal,
4 is a negative electrode terminal. The positive electrode terminal 3 and the negative electrode terminal 4 are injection-molded in the battery container member 1 and are joined to the respective power generating elements in the power generating element housing member 2.
次に本密閉形蓄電池の弁構造について第２図により説
明する。すなわち電池容器部材１にはガス路５が電池容
器部材１を直線的に貫通して形成されており、該ガス路
５の一端のガス抜き口６の周囲には弁座７が形成されて
いる。そして該弁座７の周囲には溝部８が形成されてお
り、さらに該溝部８の周囲には周壁部９が形成されてい
る。電池容器部材１の弁座７上面は周壁部９上面と同一
の高さを有しており、かつ該電池容器部材１の周壁部９
上面には、電池外部と連通する未接合部からなる排気路
10を残して、発電要素収容部材２が超音波溶着により接
合されている。すなわち発電要素収容部材２が弁部材を
兼務する構成となっている。また弁座７上にはシリコン
オイルが塗布されている。Next, the valve structure of the present sealed storage battery will be described with reference to FIG. That is, a gas passage 5 is formed in the battery container member 1 so as to linearly penetrate the battery container member 1, and a valve seat 7 is formed around the gas vent port 6 at one end of the gas passage 5. . A groove portion 8 is formed around the valve seat 7, and a peripheral wall portion 9 is formed around the groove portion 8. The upper surface of the valve seat 7 of the battery container member 1 has the same height as the upper surface of the peripheral wall portion 9, and the peripheral wall portion 9 of the battery container member 1 has the same height.
On the upper surface, an exhaust path consisting of an unbonded part that communicates with the outside of the battery
The power generation element housing member 2 is joined by ultrasonic welding except for 10. That is, the power generation element housing member 2 also serves as a valve member. Silicone oil is applied on the valve seat 7.
また先に述べたごとくガス路５は電池容器部材１を直
線的に貫通して形成されているが、電池容器部材１は、
そのガス路５のガス抜き口６とは反対の端のガス路入口
11の形成された面において、該ガス路入口11と電池内部
とを連通する未接合部分12を残して、電池容器部材１と
発電要素収容部材２とは超音波溶着により接合されてい
る。Further, as described above, the gas passage 5 is formed so as to linearly penetrate the battery container member 1, but the battery container member 1 is
The gas passage inlet at the end opposite to the gas outlet 6 of the gas passage 5
On the surface on which 11 is formed, the battery container member 1 and the power generation element accommodating member 2 are joined by ultrasonic welding, leaving an unjoined portion 12 communicating the gas passage inlet 11 and the inside of the battery.
以上、本発明の一実施例についてのみ説明したが、本
発明はその主旨を逸脱しない範囲で様々な実施態様を考
えることができる。例えば上記実施例では電池容器が電
池容器部材１と袋状の発電要素収容部材２とから構成さ
れており、発電要素収容部材２と弁部材とが、一連の同
一部材で構成されている実施例を示したが、弁部材と発
電要素収容部材とが別の材料から構成されていてもよ
い。Although only one embodiment of the present invention has been described above, various embodiments of the present invention can be considered without departing from the spirit of the present invention. For example, in the above embodiment, the battery container is composed of the battery container member 1 and the bag-shaped power generating element housing member 2, and the power generating element housing member 2 and the valve member are composed of a series of the same members. However, the valve member and the power generation element accommodating member may be made of different materials.
また上記実施例ではガス路５が電池容器部材１を直線
的に貫通している構成を例示したが、例えば折れ曲がっ
て直接電池内部に連通するような構成とすることも可能
である。Further, in the above-mentioned embodiment, the gas passage 5 linearly penetrates the battery container member 1. However, the gas passage 5 may be bent to directly communicate with the inside of the battery.
さらに上記実施例では排気路10は、その周囲の接合部
分と特に段差を設けなかったが、溝様のものであっても
よく、さらには電池内の電解液の電池外部への漏液防止
効果を高めるために迂回構造となっていてもよい。Further, in the above-mentioned embodiment, the exhaust passage 10 is not provided with a step in particular with the surrounding joint portion, but it may have a groove-like shape, and further, the effect of preventing leakage of the electrolytic solution in the battery to the outside of the battery. It may have a detour structure in order to increase the
また開弁圧を高めるために、弁部材上にさらに可撓性
の材料を載せてもよく、例えばこの機能を電池のケース
に持たすよう、構成することができる。また弁の閉鎖を
確実にするためには、ガス抜き口の径を大きくするのが
一方法である。Further, in order to increase the valve opening pressure, a more flexible material may be placed on the valve member, and for example, the case of the battery may be configured to have this function. Further, in order to ensure the closing of the valve, one method is to increase the diameter of the gas vent port.
発明の効果 すなわち上記実施例によれば、電池内圧が上昇すれば
ガスが未接合部分12、ガス路入口11、ガス路５、ガス抜
き口６を経て、弁座７上の発電要素収納部材２を変形さ
せ、こうして形成された隙間から溝部８、排気路10を経
て電池外部に放出される。EFFECTS OF THE INVENTION That is, according to the above-mentioned embodiment, when the battery internal pressure rises, the gas passes through the unbonded portion 12, the gas passage inlet 11, the gas passage 5, and the gas vent 6, and then the power generating element storage member 2 on the valve seat 7. Is deformed, and is discharged to the outside of the battery through the gap thus formed, through the groove portion 8 and the exhaust passage 10.
他方、電池外圧が高くなっても、電池外圧と電池内圧
との差、および発電要素収納部材２の弾性により可撓性
の発電要素収納部材２が弁座７方向に押しつけられてい
るので、空気が電池内に進入することはない。On the other hand, even if the battery external pressure becomes high, the flexible power generating element storage member 2 is pressed toward the valve seat 7 due to the difference between the battery external pressure and the battery internal pressure and the elasticity of the power generating element storage member 2. Will not enter the battery.
このように本発明によれば、膜状の弁を用いるので、
体積効率の良い弁構造を提供することができる。Thus, according to the present invention, since the membrane valve is used,
A valve structure with good volume efficiency can be provided.
また発電要素収容部材と弁部材とを、一連の同一部材
で構成することにより、部品数を減少させることができ
る。Further, the number of parts can be reduced by configuring the power generation element housing member and the valve member by a series of the same member.
さらにガス路を、電池容器部材を直線的に貫通するご
とく構成することにより、電池容器部材の成形を容易に
することができる。Furthermore, by forming the gas passage so as to linearly penetrate the battery container member, the battery container member can be easily molded.
叙上、本発明はその工業的価値の極めて大きいもので
ある。As a matter of fact, the present invention has a great industrial value.
第１図は本発明の一実施例を示す斜視図である。第２図
は第１図の要部を拡大した一部破断半裁斜視図である。 １……電池容器部材 ２……発電要素収容部材 ３……正極端子 ４……負極端子 ５……ガス路 ６……ガス抜き口 ７……弁座 ８……溝部 ９……周壁部 10……排気路 11……ガス路入口 12……未接合部分FIG. 1 is a perspective view showing an embodiment of the present invention. FIG. 2 is a partially cutaway half-cut perspective view in which an essential part of FIG. 1 is enlarged. 1 ... Battery container member 2 ... Power generating element housing member 3 ... Positive electrode terminal 4 ... Negative electrode terminal 5 ... Gas passage 6 ... Gas vent 7 ... Valve seat 8 ... Groove 9 ... Peripheral wall 10 ... … Exhaust path 11 …… Gas path inlet 12 …… Unjoined part
Claims (3)
周囲に形成された弁座と、該弁座の周囲に形成された溝
部と、該溝部の周囲に形成された周壁部とを有し、かつ
ガス路の他端のガス路入口が電池内部と連通している電
池容器部材を備えた密閉形蓄電池において、該電池容器
部材の弁座上面はほぼ周壁部上面と同一の高さを有して
おり、かつ該電池容器部材の周壁部上面に電池外部と連
通する未接合部からなる排気路を残して接合された可撓
性で膜状の材料からなる弁部材を備えることを特徴とす
る密閉形蓄電池。1. A gas passage, a valve seat formed around a gas outlet at one end of the gas passage, a groove portion formed around the valve seat, and a peripheral wall portion formed around the groove portion. And a gas passage inlet at the other end of the gas passage is provided with a battery container member communicating with the inside of the battery, the valve seat upper surface of the battery container member is substantially the same as the peripheral wall upper surface. A valve member made of a flexible film-like material having a height and joined to the upper surface of the peripheral wall portion of the battery container member while leaving an exhaust passage formed of an unjoined portion communicating with the outside of the battery is provided. A sealed storage battery characterized in that
収容部材とから構成されており、発電要素収容部材と弁
部材とが、一連の同一部材で構成されていることを特徴
とする特許請求の範囲第１項に記載の密閉形蓄電池。2. A battery container is composed of a battery container member and a bag-shaped power generating element housing member, and the power generating element housing member and the valve member are composed of a series of the same members. The sealed storage battery according to claim 1.
おり、電池容器部材のガス路入口側の面において、ガス
路入口と電池内部とを連通する未接合部分を残して、電
池容器部材と発電要素収容部材とが接合されていること
を特徴とする特許請求の範囲第２項に記載の密閉形蓄電
池。3. The battery has a gas passage linearly penetrating the battery case member, and a surface of the battery case member on the gas passage inlet side has a non-bonded portion which communicates the gas passage inlet with the inside of the battery. The sealed storage battery according to claim 2, wherein the container member and the power generation element housing member are joined together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62123169A JPH084000B2 (en) | 1987-05-19 | 1987-05-19 | Sealed storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62123169A JPH084000B2 (en) | 1987-05-19 | 1987-05-19 | Sealed storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63285862A JPS63285862A (en) | 1988-11-22 |
| JPH084000B2 true JPH084000B2 (en) | 1996-01-17 |
Family
ID=14853891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62123169A Expired - Lifetime JPH084000B2 (en) | 1987-05-19 | 1987-05-19 | Sealed storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084000B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0840944A1 (en) * | 1996-05-22 | 1998-05-13 | Koninklijke Philips Electronics N.V. | Sealed casing for containing an electric accumulator |
| FR2754938A1 (en) * | 1996-10-22 | 1998-04-24 | Philips Electronics Nv | SEALED HOUSING TO CONTAIN AN ELECTRICAL ACCUMULATOR |
-
1987
- 1987-05-19 JP JP62123169A patent/JPH084000B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63285862A (en) | 1988-11-22 |
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