JPH0193057A - Manufacture of cathode plate for sealed alkaline storage battery - Google Patents
Manufacture of cathode plate for sealed alkaline storage batteryInfo
- Publication number
- JPH0193057A JPH0193057A JP62249405A JP24940587A JPH0193057A JP H0193057 A JPH0193057 A JP H0193057A JP 62249405 A JP62249405 A JP 62249405A JP 24940587 A JP24940587 A JP 24940587A JP H0193057 A JPH0193057 A JP H0193057A
- Authority
- JP
- Japan
- Prior art keywords
- pores
- active material
- aqueous solution
- moisture
- 80vol
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000011148 porous material Substances 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 150000002815 nickel Chemical class 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000012266 salt solution Substances 0.000 claims description 3
- 239000011149 active material Substances 0.000 abstract description 14
- 239000007864 aqueous solution Substances 0.000 abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 6
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 abstract description 4
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 4
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water 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
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
- H01M4/28—Precipitating active material on the carrier
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- 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】
産業上の利用分野
本発明は密閉形アルカリ蓄電池用陽極板の製造法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for manufacturing an anode plate for a sealed alkaline storage battery.
従来の技術
従来、密閉形アルカリ蓄電池用陽極板は、ニッケル塩水
溶液を焼結基体の空孔中に含浸した後アルカリと反応さ
せ、水酸化ニッケルを活物質として析出させるサイクル
を繰り返えすことにより製造されるものである。Conventional technology Conventionally, anode plates for sealed alkaline storage batteries have been produced by repeating a cycle of impregnating an aqueous nickel salt solution into the pores of a sintered substrate, reacting with alkali, and precipitating nickel hydroxide as an active material. It is manufactured.
発明が解決しようとする問題点
ニッケル塩水溶液を焼結基体の空孔中に含浸する時、同
空孔中に保持する水分量は特に制御されていないため、
充填される活物質量にバラツキが生じ、目標とする電池
溶量を確保するのは困難であった。Problems to be Solved by the Invention When a nickel salt aqueous solution is impregnated into the pores of a sintered substrate, the amount of water retained in the pores is not particularly controlled.
There were variations in the amount of active material filled, making it difficult to secure the target amount of battery dissolution.
問題点を解決するための手段
本発明は上記の如き点に鑑み、空孔中に存在する水分量
を制限して焼結基体に充填される活物質量のバラツキを
小さくするものである。空孔中の活物質含有率は、含水
率６０９６の時がピークとなり、またバラツキも小さい
。Means for Solving the Problems In view of the above-mentioned problems, the present invention is intended to reduce the variation in the amount of active material filled into a sintered substrate by limiting the amount of water present in the pores. The active material content in the pores reaches a peak when the water content is 6096, and the variation is small.
含水率が下ると同含有率も低下するのは、ニッケル塩水
溶液に焼結基体を浸漬した時、空孔中の気泡が同水溶液
が同基体内部に浸透するのを妨害するためであると考え
られる。また含水率が上り過ぎても同含有率が低下する
のは、同基体表面層にまで水分があるので、同表面層に
ニッケル塩と水との反応により活物質の膜が生成するこ
とによる目詰まりが、ニッケル塩水溶液が同基体内部へ
浸透するのを妨害しているものと考えられる。本発明は
、実用上使用できる範囲として含水率を５０〜８０９６
と制限するものである。The reason why the water content decreases as the moisture content decreases is thought to be that when the sintered substrate is immersed in an aqueous nickel salt solution, air bubbles in the pores prevent the aqueous solution from penetrating into the interior of the substrate. It will be done. In addition, the reason why the water content decreases even if the water content rises too much is because there is water in the surface layer of the substrate, and a film of active material is formed on the surface layer due to the reaction between nickel salt and water. It is thought that the clogging prevents the nickel salt aqueous solution from penetrating into the interior of the substrate. The present invention has a moisture content of 50 to 8096 as a practically usable range.
This is a restriction.
作用
目標とする電池容量を確保することができ、かつ焼結基
体に充填される活物質量のバラツキを小さくする。The target battery capacity can be secured, and the variation in the amount of active material filled in the sintered substrate can be reduced.
実施例
ニッケル焼結体からなる焼結基板を、まず空孔中の含水
率５０〜８０９６の状部で８０℃の硫酸ニッケル水溶液
にッケル濃度１８〜２Ｌ％；）に３０分間浸漬し、次い
で３０９６水酸化カリウム水溶液に４０分間浸漬した後
井戸水にて１５分間水洗する。次に焼結基体空孔中の水
分を９０〜１１０℃の熱風により５０〜８０ｖｏｌとし
た後上記硫酸ニッケル水溶液に浸漬し、同様の工程を所
定の活物質量が確保されるまで繰り返えす。この時、含
水率が５０〜８０ｖｏｌ％の範囲を外れると、図面に示
す様に活物質量が減り、かつ同バラツキが増大する傾向
を示す。Example A sintered substrate made of a sintered nickel body is first immersed in an aqueous solution of nickel sulfate at 80° C. with a nickel concentration of 18 to 2 L% for 30 minutes, with a moisture content of 50 to 8,096 in the pores; After being immersed in an aqueous potassium hydroxide solution for 40 minutes, it is washed with well water for 15 minutes. Next, the moisture in the pores of the sintered substrate is reduced to 50 to 80 vol with hot air at 90 to 110° C., and then immersed in the nickel sulfate aqueous solution, and the same process is repeated until a predetermined amount of active material is secured. At this time, when the water content is out of the range of 50 to 80 vol%, the amount of active material tends to decrease and the variation thereof tends to increase as shown in the drawing.
発明の効果
上述したように、本発明によれば多孔質焼結基体の空孔
中に５０〜３Ｑｖｏ１９６の水分を含有させ、ニッケル
塩水溶液との置換効率を高め、活物質含有率のバラツキ
を小さくしたため、電池容量のバラツキが小さくなる等
工業的価値甚だ大なるものである。Effects of the Invention As described above, according to the present invention, water of 50 to 3Qvo196 is contained in the pores of the porous sintered substrate, increasing the replacement efficiency with the nickel salt aqueous solution and reducing the variation in the active material content. Therefore, it has great industrial value, such as reducing variations in battery capacity.
図面は本発明において焼結基体空孔容積における含水率
に対する活物質含有率の曲線図である。The drawing is a curve diagram of the active material content relative to the water content in the pore volume of the sintered substrate in the present invention.
Claims (1)
時、あらかじめ空孔中に５０〜８０ｖｏｌ％の水を充填
することを特徴とする密閉形アルカリ蓄電池用陽極板の
製造法。1. A method for producing an anode plate for a sealed alkaline storage battery, characterized in that when impregnating the pores of a porous sintered substrate with an aqueous nickel salt solution, the pores are filled with 50 to 80 vol% of water in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62249405A JPH0193057A (en) | 1987-10-02 | 1987-10-02 | Manufacture of cathode plate for sealed alkaline storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62249405A JPH0193057A (en) | 1987-10-02 | 1987-10-02 | Manufacture of cathode plate for sealed alkaline storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193057A true JPH0193057A (en) | 1989-04-12 |
Family
ID=17192492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62249405A Pending JPH0193057A (en) | 1987-10-02 | 1987-10-02 | Manufacture of cathode plate for sealed alkaline storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264672A (en) * | 2008-04-25 | 2009-11-12 | Fujitsu General Ltd | Ceiling embedded-air conditioner |
-
1987
- 1987-10-02 JP JP62249405A patent/JPH0193057A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264672A (en) * | 2008-04-25 | 2009-11-12 | Fujitsu General Ltd | Ceiling embedded-air conditioner |
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