JPH02267862A - Zinc electrode for alkaline storage battery - Google Patents
Zinc electrode for alkaline storage batteryInfo
- Publication number
- JPH02267862A JPH02267862A JP1089233A JP8923389A JPH02267862A JP H02267862 A JPH02267862 A JP H02267862A JP 1089233 A JP1089233 A JP 1089233A JP 8923389 A JP8923389 A JP 8923389A JP H02267862 A JPH02267862 A JP H02267862A
- Authority
- JP
- Japan
- Prior art keywords
- zinc
- rubber
- storage battery
- paste
- alkaline 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.)
- Pending
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000003860 storage Methods 0.000 title claims description 22
- 239000011701 zinc Substances 0.000 title claims description 20
- 229910052725 zinc Inorganic materials 0.000 title claims description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 229920002647 polyamide Polymers 0.000 claims abstract description 6
- 229920000098 polyolefin Polymers 0.000 claims abstract description 5
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 claims abstract description 3
- 229920002678 cellulose Polymers 0.000 claims abstract 2
- 239000001913 cellulose Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011149 active material Substances 0.000 claims 1
- 239000011787 zinc oxide Substances 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 abstract description 5
- 241000196324 Embryophyta Species 0.000 abstract description 2
- WQZGKKKJIJFFOK-SVZMEOIVSA-N (+)-Galactose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-SVZMEOIVSA-N 0.000 abstract 2
- LOVYCUYJRWLTSU-UHFFFAOYSA-N 2-(3,4-dichlorophenoxy)-n,n-diethylethanamine Chemical compound CCN(CC)CCOC1=CC=C(Cl)C(Cl)=C1 LOVYCUYJRWLTSU-UHFFFAOYSA-N 0.000 abstract 1
- 241001495453 Parthenium argentatum Species 0.000 abstract 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 abstract 1
- 244000046052 Phaseolus vulgaris Species 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 235000021251 pulses Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 240000008886 Ceratonia siliqua Species 0.000 description 1
- 235000013912 Ceratonia siliqua Nutrition 0.000 description 1
- 244000303965 Cyamopsis psoralioides Species 0.000 description 1
- 229920000161 Locust bean gum Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 244000236580 Psidium pyriferum Species 0.000 description 1
- DUCFBDUJLLKKPR-UHFFFAOYSA-N [O--].[Zn++].[Ag+] Chemical compound [O--].[Zn++].[Ag+] DUCFBDUJLLKKPR-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000711 locust bean gum Substances 0.000 description 1
- 235000010420 locust bean gum Nutrition 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003751 zinc Chemical class 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- 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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分計
本発明は可搬用、電気自動車用或はスタータ用などの電
源として用いられるニッケル亜鉛蓄電池や酸化銀亜鉛蓄
電池などのアルカリ蓄電池用亜鉛極に関するものである
。[Detailed Description of the Invention] Industrial Application The present invention relates to zinc electrodes for alkaline storage batteries such as nickel-zinc storage batteries and silver-zinc oxide storage batteries used as power sources for portable vehicles, electric vehicles, starters, etc. be.
従来の技術とその問題点
蓄電池における亜鉛電極の製造方法は、亜鉛粉末単体又
は亜鉛粉末及び酸化亜鉛粉末の混合物にポリデトラフμ
オロエチレン樹脂繊維を混ぜ、ロール掛けにより５／
＋＋ ）状と成し、銅又は銀集電体に圧着していた。Conventional technology and its problems The method for manufacturing zinc electrodes in storage batteries involves adding polydetrough μ to zinc powder alone or a mixture of zinc powder and zinc oxide powder.
Mix oleoethylene resin fiber and roll it to 5/
++ ) shape, and was crimped onto a copper or silver current collector.
しかし、この方法は殆どが手作業であり大量生産が難し
い。However, this method is mostly manual and difficult to mass produce.
又、亜鉛粉末単体又は亜鉛粉末及び酸化亜鉛粉末の混合
物にポリテトフ７ρオロエチレン樹脂繊維を混ぜ、分散
媒を用いペースト状と成し、銅又は銀集電体に塗布する
方法もある。Another method is to mix polytetrafluoroethylene resin fibers with zinc powder alone or with a mixture of zinc powder and zinc oxide powder, form a paste using a dispersion medium, and apply the paste to a copper or silver current collector.
しかし、この方法はポリテトヲ７ｙオロエチレン樹脂繊
維表面を濡らし、これを延ばすためには、エタノ−〃、
イソプロピｙア〃コールなどの有機系分散媒が必要とな
り、製造コストが高くなる欠点をもつとともに、作業者
の健康管理に問題がある。However, this method requires ethanol,
This method requires an organic dispersion medium such as isopropyl alcohol, which has the drawback of increasing production costs and also poses health management problems for workers.
その他、亜鉛粉末単体又は亜鉛粉末及び酸化亜鉛粉末の
混合物に結着剤として、力〃ボキシメチ〜セ〜ロースの
水溶液を用いペースト化し、塗布する方法がある。In addition, there is a method in which zinc powder alone or a mixture of zinc powder and zinc oxide powder is made into a paste using an aqueous solution of boxymethycerose as a binder, and the paste is applied.
しかしペーストを静置しておくとゼリー状となる揺変性
を示し、ペーストホッパー内で常にペーストを均一に攪
拌する必要がある。この場合、ホフバー内部が攪拌装置
により複雑化し、トップ〜の原因となる。However, if the paste is left to stand still, it exhibits thixotropy and becomes jelly-like, so it is necessary to constantly stir the paste uniformly in the paste hopper. In this case, the inside of the hoff bar is complicated by the stirring device, which causes the top.
発明の目的
本発明は上記従来の問題点に一艦みなされたものであり
、生産性の高い且つ放電性能に優れたア〃カリ蓄電池用
亜鉛極を提供することを目的とするものである。OBJECTS OF THE INVENTION The present invention addresses the above-mentioned conventional problems and aims to provide a zinc electrode for an alkaline storage battery that is highly productive and has excellent discharge performance.
発明の構成
本発明は上記目的を達成するべく、亜鉛粉末単体又は亜
鉛粉末及び酸化亜鉛粉末の結着剤として、主鎖のＤ−マ
ンノースにＤ−ガフクトーヌがついた分子構造のゴムで
あるマメ科の植物中より得られるローカストビーンゴム
やグアーベ
μゴ！などのゴムを用いることを特徴としたアμカリ蓄
電池用亜鉛極である〇
又、七μロース系、ポリアミド系或はポリオレフィン系
の単繊維を混合したアμカリ蓄電池用亜鉛極である。Structure of the Invention In order to achieve the above object, the present invention uses a leguminous rubber, which is a rubber with a molecular structure in which D-mannose is attached to D-gafuctone in the main chain, as a binder for zinc powder alone or zinc powder and zinc oxide powder. Locust bean gum and guave μgo obtained from the plant! It is a zinc electrode for an alkali storage battery characterized by using rubber such as 〇Also, a zinc electrode for an akali storage battery is a mixture of monofilaments of 7μ loin type, polyamide type or polyolefin type.
作用
結着剤として、前記のゴムの水溶液を用いることにより
、ペーストが揺変性を示さない。そのためにペーストホ
ッパー内部の構造が簡単にできる。By using an aqueous solution of the above-mentioned rubber as working binder, the paste does not exhibit thixotropy. Therefore, the internal structure of the paste hopper can be easily constructed.
又、ペーストを集電体に塗り付けるため、厚いエキスバ
ンド集電体を用いれば厚い電極が得られ一エネ〃キー密
度の高いアルカリ蓄電池月極板となる。Furthermore, in order to apply the paste to the current collector, if a thick expanded current collector is used, a thick electrode can be obtained, resulting in an alkaline storage battery monthly plate with high energy key density.
実施例 以下、本発明の詳細について一実施例により説明する。Example Hereinafter, the details of the present invention will be explained using one example.
第１図は連続塗布装置の概略図、第２図は本発明による
蓄電池と従来の蓄電池との放電特性の比較図である。FIG. 1 is a schematic diagram of a continuous coating device, and FIG. 2 is a comparison diagram of discharge characteristics between a storage battery according to the present invention and a conventional storage battery.
ここで１はエキスバンド集電体、２はペーストホフバー
、５はペースト塗布ロー〃、４は乾燥炉、５はヒーター
、６はロー〃、７はドクターナイフ、８はべμト、９は
ペースト供給用羽根である。Here, 1 is an extract band current collector, 2 is a paste hof bar, 5 is a paste application row, 4 is a drying oven, 5 is a heater, 6 is a row, 7 is a doctor knife, 8 is a bead, and 9 is a This is a paste supplying blade.
亜鉛粉末、酸化亜鉛粉末及び長さ２〜５鴫のセ１ｖｔｘ
−ズ系、ポリアミド系或はポリオレフィン系の単繊維を
２００ ： ８００ ： １の割合で混合しり粉末に０
．５〜２％のローカストビーンゴム又はグアーμゴムな
どのゴム水溶液を重量比率２：１〜１：１で混合し、ペ
ーストとする。このペーストをｔＪ１図に示した連続塗
布装置を用い、銅又は銀のエキスバンド集電体に塗布す
る。次に乾燥炉で乾燥後、極板調厚用ローμに通し、多
孔度４０〜５０％の亜鉛極を得る。Zinc powder, zinc oxide powder and 2 to 5 pieces of length 1vtx
- Mix fibers of polyamide, polyamide or polyolefin in a ratio of 200:800:1 to the powder.
．． A 5 to 2% aqueous solution of a rubber such as locust bean rubber or guar μ rubber is mixed at a weight ratio of 2:1 to 1:1 to form a paste. This paste is applied to a copper or silver expanded current collector using a continuous coating device shown in the tJ1 diagram. Next, after drying in a drying oven, it is passed through a low μ for electrode plate thickness adjustment to obtain a zinc electrode with a porosity of 40 to 50%.
この亜鉛極は、機械的強度が大きく、電池の組み立て等
の作業性が良好である。又・極板を所定の寸法に切断す
る際、エツジ部分に脱落が生じない。これは単１Ｍ維の
混入により結合力を増したことによるものである。This zinc electrode has high mechanical strength and is easy to work with, such as when assembling a battery. Also, when cutting the electrode plate to predetermined dimensions, the edges do not fall off. This is due to the increased binding strength due to the inclusion of single 1M fibers.
ニッケμシンター極板から成る正極板と本発明の７μカ
リ蓄電池用亜鉛極板から成る負極板を用いてニッケμ亜
鉛蓄電池を試作した。保液紙は七ｐロース系、ポリアミ
ド系或はポリオレフィン系の不織布から成り、正極板又
は負極板ＩＣ接している。セパレータは微孔ポリプロピ
レン膜、グラフトポリエチレン膜或はセロハンである。A Nikke μ zinc storage battery was prototyped using a positive electrode plate made of a Nicke μ sintered electrode plate and a negative electrode plate made of a zinc electrode plate for a 7μ potash storage battery of the present invention. The liquid-retaining paper is made of a 7P loin, polyamide, or polyolefin nonwoven fabric, and is in contact with the positive electrode plate or the negative electrode plate IC. The separator is a microporous polypropylene membrane, a grafted polyethylene membrane, or cellophane.
電解液は比重１．３０〜１．４０の水酸化カリウムを主
体とする水溶液で正極、負極、セパレータ及び保液紙の
全空隙の９０％を満たす液量が注液されている。The electrolytic solution is an aqueous solution mainly composed of potassium hydroxide with a specific gravity of 1.30 to 1.40, and is injected in an amount that fills 90% of the total voids in the positive electrode, negative electrode, separator, and liquid retaining paper.
本発明による亜鉛電極を使用したニッケル亜鉛蓄電池ム
と結着剤にポリテトフフルオロエチレン樹脂繊維を用い
た従来亜鉛電極を使用したエフケル亜鉛蓄電池Ｂとの性
能を比較するために、放電特性を調べた。第２図にその
結果を示した。放電電流は１０ムである。In order to compare the performance of the nickel-zinc storage battery B using the zinc electrode according to the present invention and the EFCEL zinc storage battery B using the conventional zinc electrode using polytetophfluoroethylene resin fiber as a binder, the discharge characteristics were investigated. . Figure 2 shows the results. The discharge current is 10 μm.
本発明亜鉛電極を使用した蓄電池Ａは従来亜鉛電極を使
用した蓄電池Ｂより放電々正特性に優れ、放電時間が長
い。The storage battery A using the zinc electrode of the present invention has superior discharge characteristics and has a longer discharge time than the storage battery B using the conventional zinc electrode.
発明の効果
上述した如く、本発明は生産性の高い且つ放電性能に優
れたアルカリ蓄電池用亜鉛極を提供することができるの
で、その工業的価値は極めて大である。Effects of the Invention As described above, the present invention can provide a zinc electrode for alkaline storage batteries with high productivity and excellent discharge performance, and therefore has extremely great industrial value.
第１図は連続塗布装置の概略図、第２図は本発明による
蓄電池と従来の蓄電池との放電特性の比較図である。
１・・・エキスバンド集電体 ２・・・ペーストホッパ
ー３・・・ペースト塗布ローＮ ４・・・乾燥炉５・・
・ヒーター ６・・・ローμ７・・・ドクタ
ーナイフ ８・・・べμト？・・・ペースト供給
用羽根FIG. 1 is a schematic diagram of a continuous coating device, and FIG. 2 is a comparison diagram of discharge characteristics between a storage battery according to the present invention and a conventional storage battery. 1... Extract band current collector 2... Paste hopper 3... Paste application row N 4... Drying oven 5...
・Heater 6...Low μ7...Doctor knife 8...Bet? ...Paste supplying blade
Claims (2)
鉛活物質の結着剤として、主鎖のＤ−マンノースにＤ−
ガラクトースがついた分子構造のゴムを用いたことを特
徴とするアルカリ蓄電池用亜鉛極。(1) D-mannose in the main chain is used as a binder for a zinc active material made of zinc, zinc oxide, or a mixture thereof.
A zinc electrode for alkaline storage batteries characterized by using rubber with a galactose-attached molecular structure.
系の単繊維を混合した請求項１記載のアルカリ蓄電池用
亜鉛極。(2) The zinc electrode for an alkaline storage battery according to claim 1, comprising a mixture of cellulose-based, polyamide-based, or polyolefin-based single fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1089233A JPH02267862A (en) | 1989-04-06 | 1989-04-06 | Zinc electrode for alkaline storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1089233A JPH02267862A (en) | 1989-04-06 | 1989-04-06 | Zinc electrode for alkaline storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02267862A true JPH02267862A (en) | 1990-11-01 |
Family
ID=13965030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1089233A Pending JPH02267862A (en) | 1989-04-06 | 1989-04-06 | Zinc electrode for alkaline storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02267862A (en) |
-
1989
- 1989-04-06 JP JP1089233A patent/JPH02267862A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3703413A (en) | Flexible inorganic fibers and battery electrode containing same | |
| AU610443B2 (en) | Cadmium electrode and process for its production | |
| GB2109985A (en) | Recharcheable electrical storage batteries | |
| EP0858120A3 (en) | Method of producing a lithium ion secondary battery and a lithium ion secondary battery produced thereby | |
| US4041221A (en) | Zinc electrodes and methods of making same | |
| US3864169A (en) | A method for making laminated electrodes | |
| CA1149453A (en) | Nickel-zinc cell | |
| JPH02267862A (en) | Zinc electrode for alkaline storage battery | |
| KR100329670B1 (en) | Method of manufacturing a battery electrode | |
| US4096317A (en) | Coated absorbent barrier protecting separator and battery embodying same | |
| JPH08167411A (en) | Nickel electrode and method of manufacturing the same | |
| JPH0973895A (en) | Electrode plate for lead storage battery and method of manufacturing the same | |
| JPH02244555A (en) | Zinc electrode for alkaline storage battery | |
| JPS5819866A (en) | Manufacture of cadmium electrode for secondary battery | |
| JPS60211766A (en) | Paste type negative electrode plate for alkaline storage battery | |
| JPH0429189B2 (en) | ||
| JPS5553874A (en) | Method of manufacturing cadmium negative electrode for alkaline battery | |
| JPH041992B2 (en) | ||
| JPH0318304B2 (en) | ||
| JPH02244556A (en) | Zinc electrode for alkaline storage battery | |
| JP4140993B2 (en) | Non-sintered cadmium negative electrode and method for producing the same | |
| JPS6212066A (en) | Cadmium negative plate | |
| JPS61203569A (en) | Pasted negative plate for alkaline storage battery | |
| JPS60216448A (en) | Paste type negative plate for alkaline storage battery | |
| JPS62271347A (en) | Manufacture of negative electrode plate of cadmium for alkaline storage battery |