JPS62256365A - Manufacture of electrode for sealed alkaline storage battery - Google Patents
Manufacture of electrode for sealed alkaline storage batteryInfo
- Publication number
- JPS62256365A JPS62256365A JP61098921A JP9892186A JPS62256365A JP S62256365 A JPS62256365 A JP S62256365A JP 61098921 A JP61098921 A JP 61098921A JP 9892186 A JP9892186 A JP 9892186A JP S62256365 A JPS62256365 A JP S62256365A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- slitter
- amount
- nozzles
- paste
- 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
- 238000003860 storage Methods 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000011149 active material Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract 3
- 239000002994 raw material Substances 0.000 claims 2
- 230000003287 optical effect Effects 0.000 abstract description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 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
- 239000006255 coating slurry Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002904 solvent 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/04—Processes of manufacture in general
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0416—Methods of deposition of the material involving impregnation with a solution, dispersion, paste or dry powder
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Cell Electrode Carriers And Collectors (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、特にニッケルカドミ
ウム蓄電池の極板製造法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for manufacturing plates for sealed alkaline storage batteries, in particular for nickel-cadmium storage batteries.
従来の技術
ニッケル粉末を粘結剤と水で混練したスラリー(以下、
即に1スラリー」という)あるいは活物質を枯骨割ン溶
剤で溝鐘しtペースト(以下、単に「ペースト」という
)を鉄にニッケルメッキした多孔性金属芯材(以下、床
に「芯材」という)に塗着する際、従来は第4図に示す
様に芯材5を塗着槽8内に存在するスラリーあるいはペ
ースト(以下、単に「スラリー等」という)4中に浸漬
してこれを付着させ、何着したスラリー等4をスリッタ
1でかき3とし、必要量だけを塗着する方式をとってい
た。Conventional technology Slurry (hereinafter referred to as
A porous metal core material (hereinafter referred to as "core material") made by nickel-plating iron with t-paste (hereinafter simply referred to as "paste") is prepared by mixing the active material with a bone cracking solvent (hereinafter simply referred to as "paste") Conventionally, as shown in FIG. 4, the core material 5 is immersed in a slurry or paste (hereinafter simply referred to as "slurry etc.") 4 existing in a coating tank 8. A system was adopted in which the slurry, etc. 4 that had been deposited was scraped off with a slitter 1 and only the required amount was applied.
発明が解決しようとする問題点
塗着槽8通過時に芯材5に付着したスラ+7−等4シば
塗着槽8を出て刀1らスリッタ1に至るまでの間にその
一部が重力により降下し、これと塗着槽8から引き上げ
られる量との間で平衡状態が生じ、実際にスリッタlに
運するスラリー等4のすが決定する。しη−し、vIX
t槽8から引き上げられる量が芯材5の中央部が多(、
両端部が少ないため、スリッタ1に達するスラリー等4
の量もこれに対応して異っている。これが原因で第3図
に示す様に芯材の幅方向で塗着量が異り、均一な極板を
得ることができない。Problems to be Solved by the Invention When the coating tank 8 passes through the coating tank 8, some of the slugs +7-, etc. attached to the core material 5 are stained by gravity, while leaving the coating tank 8 and reaching the sword 1 to the slitter 1. An equilibrium state is created between this amount and the amount lifted from the coating tank 8, and the amount of slurry, etc. 4 actually transported to the slitter 1 is determined. η-shi, vIX
The amount pulled up from the T-tank 8 is larger in the center of the core material 5 (,
Slurry, etc. reaching slitter 1 due to the lack of both ends 4
The amount also varies accordingly. Due to this, the coating amount varies in the width direction of the core material as shown in FIG. 3, making it impossible to obtain a uniform electrode plate.
問題点を解決するための手段
本発明は成形用スリッタの両端直下にスラリー等の供給
用ノズルを設置することを特徴と丁センサーでスリッタ
によってかきおとされたスラリー等のだれの厚みを検知
し、中央部より両端部のだれが少ない時は、両端部に配
した補給用ノズルからスラリー等を供給する。これによ
り、芯材両端部にも中央部と同量のスラリー等が塗着さ
れる。7
作用
不発門構を用いること(二より、一定量のスラリー等が
スリッタに遅し、IWl様にかき取られるため、均一な
極板を得ることができるようになった。Means for Solving the Problems The present invention is characterized in that nozzles for supplying slurry, etc. are installed directly below both ends of a forming slitter, and the thickness of the slurry, etc. scraped off by the slitter is detected by a sensor. When there is less sag at both ends than at the center, slurry, etc. is supplied from replenishment nozzles placed at both ends. As a result, the same amount of slurry or the like is applied to both ends of the core material as to the center part. 7. By using the action/non-explosion gate structure (from the second point, a certain amount of slurry, etc. is delayed to the slitter and scraped off like IW1, making it possible to obtain a uniform electrode plate.
実施例
酸化カド≧ウム粉末とカルボキシメチルセルロースの水
溶液を混練して成るスラリー等4を第4図に示す様に、
貯蔵槽6から塗着槽8に供給し鉄にニッケルメッキを施
したパンチングメタルからなる芯材5をロール7を介し
て塗貴槽8に送り込みスリッタ1により所定の序さく0
.8m〜0.9m)Iユ活物質を塗着し、陰極板を作製
した。芯材5の両端部へのペースト補給システムは、第
1図、第2図に示した様に、スリッタlの両端直下1;
スラリー等補給用ノズル2を設置し、その下部に3ケ所
(両端部、中央部)ペースト量検知用の光学式センサー
3を配置した。Example A slurry etc. 4 made by kneading cadmium oxide powder and an aqueous solution of carboxymethyl cellulose was prepared as shown in FIG.
A core material 5 made of punched metal, which is nickel-plated iron, is supplied from a storage tank 6 to a coating tank 8, and is fed into the coating tank 8 via a roll 7, where it is divided into a predetermined order by a slitter 1.
.. 8 m to 0.9 m) IU active material was applied to produce a cathode plate. As shown in FIGS. 1 and 2, the paste supply system to both ends of the core material 5 is as shown in FIGS.
A nozzle 2 for replenishing slurry, etc. was installed, and optical sensors 3 for detecting the amount of paste were placed at three locations (at both ends and in the center) below the nozzle 2.
この光学式センサー3により、中央部のスリッタ10−
よってかき取られ、たれるペースト量と両端部のそれが
1.0■の差異を生じた時、両端に配した補給ノズル2
から300aj/lll1nのスラリー等4を補給した
。This optical sensor 3 allows the central slitter 10-
Therefore, when there is a difference of 1.0 cm between the amount of paste scraped off and dripping from that at both ends, the replenishment nozzle 2 placed at both ends
300aj/lll1n of slurry etc. was replenished from the tank.
発明の効果
本発明により製造した極板と従来法による極板とを比較
すると、従来のものは、極板の両端部と中央部では約2
〜5悠の塗着重責の差があったのに対し、本発明i二よ
るものは、はとんど均一な極板となり、安定した製品が
得られるようになった。Effects of the Invention Comparing the electrode plate manufactured by the present invention and the electrode plate manufactured by the conventional method, it is found that the conventional electrode plate has a thickness of about 2.
While there was a difference in coating load of ~5 Yu, the electrode plate according to the second invention was almost uniform, and a stable product could be obtained.
以上の点から本発明による方法は、工業的価値が極めて
大なるものである。From the above points, the method according to the present invention has extremely great industrial value.
れぞ7’L側面図、正面図、第3図は従来の極板活物”
tl塗塗着貨分布を表わした曲劇飢第4図はスラリーあ
るいはペーストの塗4方法を示した概略図である。7'L side view, front view, and Figure 3 are conventional electrode plates.
Figure 4, which shows the distribution of TL coating, is a schematic diagram showing four methods of coating slurry or paste.
1はスリッタ、2はスラリーswamノズル、3は光学
式センサー、4はスラリー等、5は芯材、6は貯蔵槽、
7はロール、8は塗着槽オ寺d〒ム1190人
#神戸砿機株式会社
代向締′i 櫟 井 泰 男゛°ユーン′第1図
第2図1 is a slitter, 2 is a slurry swam nozzle, 3 is an optical sensor, 4 is a slurry etc., 5 is a core material, 6 is a storage tank,
7 is a roll, 8 is a coating tank, 1190 people #Kobe Koki Co., Ltd. Yasushi Kazui ゛°Yune' Figure 1 Figure 2
Claims (1)
び活物質を、垂直に引き上げた多孔性金属芯材にスリッ
タを介して、所定の厚さに塗着する際、スリッタの両端
直下に設置したノズルからスラリー状あるいはペースト
状にした焼結基板原料および活物質を補給しながら塗着
することを特徴とする密閉形アルカリ蓄電池の極板製造
法。When applying slurry or paste-formed sintered substrate raw materials and active materials to a porous metal core pulled up vertically through a slitter to a predetermined thickness, nozzles installed directly below both ends of the slitter A method for producing electrode plates for a sealed alkaline storage battery, which is characterized by coating while supplying sintered substrate raw materials and active materials in the form of slurry or paste.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61098921A JPS62256365A (en) | 1986-04-29 | 1986-04-29 | Manufacture of electrode for sealed alkaline storage battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61098921A JPS62256365A (en) | 1986-04-29 | 1986-04-29 | Manufacture of electrode for sealed alkaline storage battery |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62256365A true JPS62256365A (en) | 1987-11-09 |
Family
ID=14232588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61098921A Pending JPS62256365A (en) | 1986-04-29 | 1986-04-29 | Manufacture of electrode for sealed alkaline storage battery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62256365A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0639865A1 (en) * | 1993-06-15 | 1995-02-22 | Fuji Photo Film Co., Ltd. | A method for producing a sheet-like plate and an electrochemical cell produced by using the plate |
US6284405B2 (en) | 1996-06-19 | 2001-09-04 | Toshiba Battery Co., Ltd. | Nonaqueous electrolyte battery, electrode plate for nonaqueous electrolyte battery, and method for manufacturing electrode plate for nonaqueous electrolyte battery |
-
1986
- 1986-04-29 JP JP61098921A patent/JPS62256365A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0639865A1 (en) * | 1993-06-15 | 1995-02-22 | Fuji Photo Film Co., Ltd. | A method for producing a sheet-like plate and an electrochemical cell produced by using the plate |
US6284405B2 (en) | 1996-06-19 | 2001-09-04 | Toshiba Battery Co., Ltd. | Nonaqueous electrolyte battery, electrode plate for nonaqueous electrolyte battery, and method for manufacturing electrode plate for nonaqueous electrolyte battery |
US6314638B1 (en) | 1996-06-19 | 2001-11-13 | Toshiba Battery Co., Ltd. | Apparatus for manufacturing electrode plate for nonaqueous electrolyte battery |
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