JPH0665033B2 - Paste type electrode plate for alkaline storage battery - Google Patents
Paste type electrode plate for alkaline storage batteryInfo
- Publication number
- JPH0665033B2 JPH0665033B2 JP61180836A JP18083686A JPH0665033B2 JP H0665033 B2 JPH0665033 B2 JP H0665033B2 JP 61180836 A JP61180836 A JP 61180836A JP 18083686 A JP18083686 A JP 18083686A JP H0665033 B2 JPH0665033 B2 JP H0665033B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode plate
- active material
- paste
- type electrode
- storage battery
- 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 - Fee Related
Links
- 239000011149 active material Substances 0.000 claims description 25
- 239000011230 binding agent Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 2
- 238000004898 kneading Methods 0.000 claims description 2
- 239000002952 polymeric resin Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 229920006026 co-polymeric resin Polymers 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 229910052793 cadmium Inorganic materials 0.000 description 6
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 3
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 acrylic ester Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- 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
-
- 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
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
【発明の詳細な説明】 〈産業上の利用分野〉 この発明は、ニッケル−カドミウム蓄電池やニッケル−
亜鉛蓄電池などのアルカリ蓄電池に用いられるペースト
式極板に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a nickel-cadmium battery or a nickel-cadmium battery.
The present invention relates to a paste type electrode plate used for alkaline storage batteries such as zinc storage batteries.
〈従来の技術〉 上記アルカリ蓄電池で用いられる極板としては、製造工
程が比較的容易でエネルギー密度が高い等の特長のある
ペースト式のものが工業的に広く用いられている。この
ペースト式極板、例えばペースト式カドミウム極板は、
通常、酸化カドミウムや水酸化カドミウムなどの活物質
粉末に、ポリビニルアルコール，カルボキシメチルセル
ロース，メチルセルロース，ヒドロキシプロピルセルロ
ースあるいはフッ素樹脂の如き結着剤などを、水などの
適宜な溶媒と共に混練して活物質ペーストを作り、この
活物質ペーストを導電芯体に塗着し乾燥した後、そのま
まもしくは化成処理を施し、電池機種に応じた寸法に切
断するといった工程によって製造されている。ところ
が、この種のペースト式極板は、一般に、活物質と導電
芯体との結着力が余り大きくないことから、製造工程に
おける活物質の剥がれや脱落の度合が大きく、極板の機
械的強度が小さいという欠点がある。<Prior Art> As the electrode plate used in the alkaline storage battery, a paste type electrode having a relatively easy manufacturing process and a high energy density is widely used industrially. This paste type electrode plate, for example the paste type cadmium electrode plate,
Usually, active material powder such as cadmium oxide or cadmium hydroxide is kneaded with a binder such as polyvinyl alcohol, carboxymethyl cellulose, methyl cellulose, hydroxypropyl cellulose or fluororesin, together with an appropriate solvent such as water, and the active material paste. Is manufactured, and this active material paste is applied to a conductive core, dried, and then, as it is or subjected to chemical conversion treatment, and cut into a size according to a battery model. However, in this type of paste type electrode plate, generally, since the binding force between the active material and the conductive core is not so large, the degree of peeling or dropping of the active material in the manufacturing process is large, and the mechanical strength of the electrode plate is large. Has the drawback of being small.
〈発明が解決しようとする問題点〉 上記欠点を解消するために活物質ペースト中の結着剤の
量を増やしたり、あるいはナイロン繊維などを補強剤と
して結着剤と同時に用いてやることも考えられる。しか
しながら、機械的強度を得るのに必要な量の結着剤や補
強剤を使用すると極板の体積効率並びに活物質利用率の
低下が著しくなって極板性能の低下を招き、ペースト式
極板の長所である高エネルギー密度を十分に発揮できな
くなってしまうという問題がある。<Problems to be Solved by the Invention> In order to solve the above-mentioned drawbacks, it is considered to increase the amount of the binder in the active material paste, or to use nylon fiber or the like as a reinforcing agent at the same time as the binder. To be However, if the amount of binder or reinforcing agent required to obtain mechanical strength is used, the volume efficiency of the electrode plate and the utilization rate of the active material decrease remarkably, leading to a reduction in electrode plate performance. However, there is a problem in that the high energy density, which is the advantage of, cannot be fully exhibited.
この問題を解決するため、例えば特開昭61-16475号公報
あるいは特開昭61-13564号公報に開示されているよう
に、水溶性ナイロンあるいは酢酸ビニル樹脂を結着剤と
して使用することが提案されている。そして、このよう
な水溶性ナイロンや酢酸ビニルを極板の化成処理に用い
るアルカリ水溶液、あるいはこの化成処理を施さない場
合には電池組立時において電池内に注入される苛性カリ
水溶液などのアルカリ電解液中に溶出させることで、最
終的にこれらの結着剤を極板外に溶出させ、もって極板
の活物質利用率の低下を抑制する構成としている。しか
しながら、この従来技術では、アルカリ電解液中に溶出
させる場合は溶出させたこれら結着剤により電解液の特
性が低下して電池性能に悪影響が出るし、この悪影響を
防ぐためには手間のかかる化成処理が必須となって極板
製造工程が煩雑化し、またこのため、例えば特開昭58-8
0268号公報に開示されているような化成処理を施さずに
電池組立に供しうるペースト式カドミウム極板の場合に
は適用が実質的にできなくなるといった問題があり、工
業上の利用が制限されてしまう。In order to solve this problem, it is proposed to use a water-soluble nylon or vinyl acetate resin as a binder, as disclosed in, for example, JP-A-61-16475 or JP-A-61-13564. Has been done. Then, in such an alkaline aqueous solution that uses such water-soluble nylon or vinyl acetate for the chemical conversion treatment of the electrode plate, or in the case of not performing this chemical conversion treatment, in an alkaline electrolyte such as a caustic potash aqueous solution that is injected into the battery during battery assembly. Finally, these binders are eluted out of the electrode plate, thereby suppressing a decrease in the active material utilization rate of the electrode plate. However, in this prior art, when eluting in an alkaline electrolyte, these eluted binders deteriorate the characteristics of the electrolyte and adversely affect the battery performance. Since the processing becomes essential and the electrode plate manufacturing process becomes complicated, and for this reason, for example, JP-A-58-8
In the case of a paste type cadmium electrode plate that can be used for battery assembly without being subjected to chemical conversion treatment as disclosed in Japanese Patent Publication No. 0268, there is a problem that it cannot be applied, and industrial use is limited. I will end up.
〈問題点を解決するための手段〉 この発明のアルカリ蓄電池用ペースト式極板は、活物質
粉末を結着剤や溶媒とともに混練して得た活物質ペース
トを導電芯体に塗布し乾燥してなるペースト式極板であ
って、前記結着剤として炭化フッ素とアクリルエステル
の共重合体であるフッ素アクリル共重合樹脂を単独また
は他の結着剤とともに用いたことを要旨とする。<Means for Solving Problems> The alkaline storage battery paste-type electrode plate of the present invention is obtained by applying an active material paste obtained by kneading an active material powder together with a binder or a solvent onto a conductive core and then drying. It is a paste type electrode plate consisting of the above, and the gist is that a fluoroacryl copolymer resin which is a copolymer of fluorocarbon and acrylic ester is used alone or together with other binder as the binder.
上記のようなフッ素アクリル共重合樹脂は通常水性ディ
スパージョンの形で使用され、この水性ディスパージョ
ンを活物質ペースト作製時に活物質粉末などに添加・混
合して用いる。The above-mentioned fluoroacryl copolymer resin is usually used in the form of an aqueous dispersion, and this aqueous dispersion is added to and mixed with active material powder or the like when the active material paste is prepared.
〈作用〉 上記のフッ素アクリル共重合樹脂の水性ディスパージョ
ンを結着剤として添加した活物質ペーストを集電体に塗
布し乾燥して極板を作製した場合、このフッ素アクリル
共重合樹脂は極板内でネットワーク化し、マトリックス
的な補強材としても機能するようになる。この時、この
フッ素アクリル共重合樹脂は活物質を、従来の補強材の
ように繊維状のマトリックスで保持するのではなく、膜
状のマトリックスで強力に保持する。このため、ナイロ
ン繊維などの補強材を用いることなく、また少量のフッ
素アクリル共重合樹脂を用いるのみで、極板の機械的強
度を著しく増大させることができる。この結果、極板の
体積当りの活物質量が増加し、極板の体積効率や活物質
の利用率の低下を招くことなく極板強度を向上させるこ
とができる。<Function> When an active material paste prepared by adding an aqueous dispersion of the above-mentioned fluoroacryl copolymer resin as a binder is applied to a current collector and dried to prepare an electrode plate, this fluoroacryl copolymer resin is used as an electrode plate. It will be networked inside and will also function as a matrix-like reinforcement. At this time, the fluoroacryl copolymer resin strongly holds the active material by the film-like matrix, not by the fibrous matrix as in the conventional reinforcing material. Therefore, the mechanical strength of the electrode plate can be remarkably increased without using a reinforcing material such as nylon fiber and using only a small amount of fluoroacryl copolymer resin. As a result, the amount of the active material per volume of the electrode plate increases, and the electrode plate strength can be improved without lowering the volume efficiency of the electrode plate and the utilization rate of the active material.
〈実施例〉 結着剤として２重量％のフッ素アクリル共重合樹脂の水
性ディスパージョン（商品名「ウルトラゾールＦ−３０
００」、製造元 ガンツ化成、販売元 武田製薬工業）
を用い、この水性ディスパージョン２０重量部に酸化カ
ドミウム粉末100重量部並びにリン酸ナトリウム１重量
部を溶解した液を混練して活物質ペーストとした。この
ペーストを、100μｍ厚の鉄にニッケルメッキをしてな
る金属多孔板（導電芯体）の両面に厚みが全体で１mmと
なるように塗布し、その後温度約８０℃の雰囲気下で乾
燥した。このようにして得たペースト式カドミウム極板
（厚み0.7mm）を適当な寸法（９０×４０mm）に切断し
て本発明のアルカリ蓄電池用カドミウム極板（本発明極
板）を作製した。<Example> Aqueous dispersion of 2 wt% fluoroacryl copolymer resin as a binder (trade name "Ultrasol F-30
00 ”, manufacturer Gantz Kasei, distributor Takeda Pharmaceutical Co., Ltd.)
Was mixed with 20 parts by weight of this aqueous dispersion and 100 parts by weight of cadmium oxide powder and 1 part by weight of sodium phosphate were kneaded to obtain an active material paste. This paste was applied to both sides of a metal porous plate (conductive core) obtained by plating 100 μm thick iron with nickel so that the total thickness was 1 mm, and then dried in an atmosphere at a temperature of about 80 ° C. The paste type cadmium electrode plate (thickness 0.7 mm) thus obtained was cut into an appropriate size (90 × 40 mm) to prepare a cadmium electrode plate for an alkaline storage battery of the present invention (electrode plate of the present invention).
一方、上記水性ディスパージョンを結着剤として用いる
ことに代えて、結着剤としてヒドロキシプロピルセルロ
ース１重量部を用い、またナイロン繊維２重量部を補強
材として添加し、更に水２０重量部を溶媒として加えた
他は同様にして比較用のカドミウム極板（従来極板）を
作った。On the other hand, instead of using the above aqueous dispersion as a binder, 1 part by weight of hydroxypropyl cellulose was used as a binder, 2 parts by weight of nylon fiber was added as a reinforcing material, and 20 parts by weight of water was added as a solvent. A cadmium electrode plate (conventional electrode plate) for comparison was made in the same manner except that the above was added.
次に、上記本発明極板と従来極板の性能を下記のように
比較検討した。Next, the performances of the electrode plate of the present invention and the conventional electrode plate were compared and examined as follows.
まず、両極板それぞれセパレータを介して他極と組合
せ、渦巻状に巻取るなどして電池組立に供した所、本発
明極板では、通常の組立作業において巻取機などへの酸
化カドミウム粉末の付着はなく、活物質の結着がよいこ
とがわかった。First, each electrode plate is combined with another electrode via a separator, and then subjected to battery assembly such as being wound in a spiral shape.In the electrode plate of the present invention, the cadmium oxide powder for a winding machine or the like is used in a normal assembly operation. It was found that there was no adhesion and the binding of the active material was good.
また、両極板を未化成の状態で１ｍの高さから表裏交互
にそれぞれ計４回落下させて活物質の脱落状態を調べ
た。この結果は下記の第１表に示した。結局、本発明極
板の脱落量は従来極板の約半分であり、本発明極板の機
械的な強度が大きいことがわかった。Further, the bipolar plates were dropped from the height of 1 m alternately in the front and back in a total of 4 times in a non-formed state, and the state of falling of the active material was examined. The results are shown in Table 1 below. After all, it was found that the amount of the electrode plate of the present invention dropped off was about half that of the conventional electrode plate, and the mechanical strength of the electrode plate of the present invention was high.
更に、両極板について、２８重量％の苛性カリ水溶液中
で充放電を行ない、それらの活物質利用率（％）の測定
をすると共に、両極板の理論容量（mAH／ｇ）、体積効
率（mAH／cc）などを調べた。結果を第１表に併せて示
した。Further, the bipolar plates were charged and discharged in a 28 wt% caustic potash aqueous solution to measure their active material utilization rates (%), and the theoretical capacity (mAH / g) and volume efficiency (mAH / mAH / g) of the bipolar plates were measured. cc) etc. The results are also shown in Table 1.
上表より、本発明極板は従来極板に較べて、体積効率並
びに活物質利用率が優れていることがわかる。 From the above table, it can be seen that the electrode plate of the present invention is superior in volume efficiency and active material utilization rate to conventional electrode plates.
尚、以上はペースト式カドミウム極板の例を説明した
が、ニッケル極板などの他のペースト式極板にこの発明
を同様に適用できることは言うまでもない。また、上記
実施例のように結着剤としてフッ素アクリル共重合樹脂
を単独で用いる他、この樹脂を他の従来の結着剤と共に
用いても同じような効果が得られることは明らかであ
る。Although an example of the paste type cadmium electrode plate has been described above, it goes without saying that the present invention can be similarly applied to other paste type electrode plates such as a nickel electrode plate. Further, it is apparent that the same effect can be obtained by using the fluoroacryl copolymer resin alone as the binder as in the above-mentioned example, or by using this resin together with other conventional binders.
〈発明の効果〉 以上のように構成されるこの発明のアルカリ蓄電池用極
板によれば、極板の体積効率や活物質の利用率の低下を
招くことなく極板の強度を向上させることができ、エネ
ルギー密度が高く性能のよい極板を提供することができ
る。<Effect of the Invention> According to the electrode plate for an alkaline storage battery of the present invention configured as described above, it is possible to improve the strength of the electrode plate without lowering the volume efficiency of the electrode plate or the utilization rate of the active material. It is possible to provide an electrode plate having high energy density and good performance.
また、この発明で用いるフッ素アクリル共重合樹脂は、
通常、低粘度な水性ディスパージョンの形で使用される
ので、従来の粘着剤のように水などの溶媒を用いること
なく活物質ペーストを得ることができ、その分工程の簡
略化を図ることができるという利点もある。Further, the fluoroacrylic copolymer resin used in the present invention is
Usually, since it is used in the form of a low-viscosity aqueous dispersion, it is possible to obtain an active material paste without using a solvent such as water unlike the conventional pressure-sensitive adhesives, and it is possible to simplify the process accordingly. There is also an advantage that you can.
更に、このフッ素アクリル共重合樹脂はそれ自体に撥水
性があり、このためこれを用いることで極板表面の濡れ
の度合が小さくなり、結果的に極板のガス吸収性能が改
善されるという効果もある。Further, this fluoroacryl copolymer resin has water repellency by itself, and therefore, by using this, the degree of wetting of the electrode plate surface is reduced, and as a result, the gas absorption performance of the electrode plate is improved. There is also.
Claims (1)
て得た活物質ペーストを導電芯体に塗布し乾燥してなる
ペースト式極板であって、前記結着剤としてフッ素アク
リル共重合樹脂を単独または他の結着剤とともに用いた
ことを特徴とするアルカリ蓄電池用ペースト式極板。1. A paste-type electrode plate obtained by applying an active material paste obtained by kneading an active material powder together with a binder and a solvent onto a conductive core and drying the paste. A paste type electrode plate for an alkaline storage battery, characterized in that a polymer resin is used alone or together with another binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61180836A JPH0665033B2 (en) | 1986-07-31 | 1986-07-31 | Paste type electrode plate for alkaline storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61180836A JPH0665033B2 (en) | 1986-07-31 | 1986-07-31 | Paste type electrode plate for alkaline storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6337566A JPS6337566A (en) | 1988-02-18 |
| JPH0665033B2 true JPH0665033B2 (en) | 1994-08-22 |
Family
ID=16090206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61180836A Expired - Fee Related JPH0665033B2 (en) | 1986-07-31 | 1986-07-31 | Paste type electrode plate for alkaline storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0665033B2 (en) |
-
1986
- 1986-07-31 JP JP61180836A patent/JPH0665033B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6337566A (en) | 1988-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |