JPS59117062A - Production method of alkaline cell electrode plate - Google Patents

Production method of alkaline cell electrode plate

Info

Publication number
JPS59117062A
JPS59117062A JP57224863A JP22486382A JPS59117062A JP S59117062 A JPS59117062 A JP S59117062A JP 57224863 A JP57224863 A JP 57224863A JP 22486382 A JP22486382 A JP 22486382A JP S59117062 A JPS59117062 A JP S59117062A
Authority
JP
Japan
Prior art keywords
electrode plate
belt
thickness
core material
roll press
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
Application number
JP57224863A
Other languages
Japanese (ja)
Inventor
Yoshiyuki Shioi
塩井　佳行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Battery Co Ltd
Original Assignee
Furukawa Battery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Furukawa Battery Co Ltd filed Critical Furukawa Battery Co Ltd
Priority to JP57224863A priority Critical patent/JPS59117062A/en
Publication of JPS59117062A publication Critical patent/JPS59117062A/en
Pending legal-status Critical Current

Links

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
    • H01M4/0416—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
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/049—Manufacturing of an active layer by chemical means
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

PURPOSE:To prevent th bending or warping of an electrode plate from occurring by punching openings with a specific opening ratio on the nonporous section of a belt-like metal core material during a period between a paste filling process and a roll press process. CONSTITUTION:A core material 1 formed with nonporous sections 3 on both sides of a porous section 2 in the center is fed through a hopper 4, it is con tinuously coated with a paste-like negative electrode active material mainly made of cadmium on the porous section 2, and after drying it with a dryer 5, its thickness is adjusted with a pressure roller 6, and the chemical conversion treatment is applied to it with a chemical conversion device 7 to produce a belt-like electrode plate 1'. This belt-like electrode plate 1' is guided to an opening puncher 8 and openings with an opening ratio of 70-95% in relation to that of the porous section 2 are punched on the nonporous sections of the belt-like electrode plare 1'. Next, this belt-like electrode plate 1' is guided to a roll press machine 9, and its thickness is finally adjusted to a fixed value. Accordingly, the bending or warping of the electrode plate is prevented from occurring during a roll press process adjusting the thickness of the electrode plate, thus the electrode plate can be produced in a continuous process.

Description

【発明の詳細な説明】 本発明はアルカリ電池用極板の製造方法に関するもので
、特に、ニッケルカドミウム蓄電池に用いるカドミウム
極板の製造方法の改良に係わるものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing an electrode plate for an alkaline battery, and in particular to an improvement in the method for manufacturing a cadmium electrode plate used in a nickel-cadmium storage battery.

この種極板の製造方法としては、ニッケル多孔板に活物
質を充填する焼結式と、活物質ペーストを直接芯材に塗
着するペースト式とがある。この焼結式とペースト式を
比較した場合、製造コストが安いという特徴により、ペ
ースト式が主流になりつつある。しかしながら、焼結式
に比へ活物質の保持性は大巾に悪く、化成終了時に極板
を加圧する必要があった。Methods for manufacturing this type of electrode plate include a sintering method in which a porous nickel plate is filled with an active material, and a paste method in which an active material paste is directly applied to a core material. When comparing the sintering method and the paste method, the paste method is becoming more popular due to its low manufacturing cost. However, compared to the sintering method, the retention of the active material was significantly poorer, and it was necessary to pressurize the electrode plate at the end of chemical formation.

すなわち、ペースト式カドミウム極板の製造方法として
は、中央が多孔部で両縁が無孔部となった帯状芯材の多
孔部にペースト状のカドミウム活物質を連続的に塗着し
、化成゛後活物質の多孔度と厚み調整、および保持を良
くする為ロール等により加圧していた。この加圧時、多
孔部（活物質塗着部ンの延びが、無孔部に比べ大きいの
で、連続的に加圧すると極板が湾曲したり、反りが生じ
る問題があった。In other words, the method for producing a paste-type cadmium electrode plate involves continuously applying a paste-like cadmium active material to the porous part of a strip-shaped core material with a porous part in the center and non-porous parts on both edges, and then applying chemical conversion. In order to adjust the porosity and thickness of the post-active material and to improve its retention, pressure was applied using a roll or the like. During this pressurization, since the elongation of the porous portion (active material coated portion) is larger than that of the non-porous portion, there was a problem that the electrode plate would curve or warp if pressurized continuously.

この為、加圧前に極板の延びが問題にならない長さに切
断するか、また、加圧方向を帯状極板の長さ方向に対し
直角にしていたが、連続的に！！造することが不可能と
なり生産性が低下した。For this reason, we either cut the electrode plate to a length that would not cause problems before applying pressure, or we made the direction of pressure perpendicular to the length of the strip-shaped electrode plate, but it was not possible to do it continuously! ! This made it impossible to manufacture products, and productivity declined.

本発明は、上記従来に鑑みなされたもので、上記欠陥を
解消し、極めて効率良＜、シかも良好なペースト式極板
を提供する０とを目的とする。The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to eliminate the above-mentioned defects and provide a paste-type electrode plate which is extremely efficient and has good performance.

本発明の一実施例を図面につき説明すると、符号１は厚
さＱ、　ｌ　ｍｍのニッケルメッキ鋼から成る帯状芯材
で、中央の多孔部２の両側に無孔部３が形成されている
。この芯材ｌをボンパー４内を通してカドミウムを主体
としたペースト状陰極活物質を連続的に多孔部２に塗着
させ、次に乾燥機５で乾燥後、加圧ローラー６で厚みを
調整し、化成装置７で化成し帯状極板１′を作る。Ｃの
化成を行なった帯状極板１′を、次に開孔打抜機８に尋
人して帯状極板１′の無孔部３に該多孔部の開孔率５０
％に対し９０チの開孔、すなわち開孔率４５チ■開孔を
打抜く。次にこの帯状極板ｌ′をロールプレス機９に導
入して１９さを最終的に調整し、厚みを一定にする。One embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a strip-shaped core material made of nickel-plated steel having a thickness of Q, 1 mm, and non-porous portions 3 are formed on both sides of a central porous portion 2. This core material 1 is passed through a bomber 4, and a paste-like cathode active material mainly composed of cadmium is continuously applied to the porous portion 2. Next, after drying in a dryer 5, the thickness is adjusted with a pressure roller 6, The band-shaped electrode plate 1' is formed by chemical conversion in the chemical conversion apparatus 7. The strip-shaped electrode plate 1' subjected to chemical conversion of C is then passed through a hole punching machine 8 to form a non-porous portion 3 of the strip-shaped electrode plate 1' with an aperture ratio of 50.
%, a hole of 90 inches is punched, that is, a hole with a porosity of 45 inches is punched. Next, this strip-shaped electrode plate l' is introduced into a roll press machine 9, and the thickness is finally adjusted to make the thickness constant.

図中符号１０は帯状極板１′を所定の寸法に切断する為
のカッターである。Reference numeral 10 in the figure is a cutter for cutting the strip-shaped electrode plate 1' into a predetermined size.

なお、開孔打抜機８での打抜にょる開孔は、第３図の如
く巾方向に配列したものでも、また第４図の如く分散し
た形状でも良い。凍た、本発明では無孔部３に打抜く開
孔の開孔率を中央の多孔部２の開孔に対し７０〜９５％
としたが、これは７゜チ以下ではロールプレス時多孔部
の伸びが大きいので、開孔を打抜く効果がなく、極板が
湾曲し、贅た、９５％を超えると、帯状極板ｌ′全全体
引張強度が低下し、極板が切断する等の欠陥が新たに生
ずる為である。The holes punched by the punching machine 8 may be arranged in the width direction as shown in FIG. 3, or may be dispersed as shown in FIG. 4. In the present invention, the porosity of the holes punched in the non-porous part 3 is 70 to 95% of the hole in the central porous part 2.
However, if the thickness is less than 7°, the elongation of the porous part during roll pressing is large, so there is no effect in punching out the holes, and the plate becomes curved and bulky. 'This is because the overall tensile strength decreases and new defects such as electrode plate breakage occur.

以上の通り本発明は、ペースト充填工程と、ロールブレ
ス工程との間に帯状金属芯材の無孔部に、多孔部の開孔
率に対し７０〜９５％の開孔を打抜くので、帯板の厚さ
を調整するロールプレス工程時に、極板に湾曲や反りが
発生しなく取り、この為、連続化した工程で極板を製造
することができ、その工業的価値人なるものである。As described above, in the present invention, between the paste filling process and the roll pressing process, holes are punched in the non-porous part of the band-shaped metal core material with an opening ratio of 70 to 95% of the porosity of the porous part. During the roll pressing process to adjust the thickness of the plate, the plate is not curved or warped, which makes it possible to manufacture the plate in a continuous process, which is its industrial value. .

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明を実施する為の製造工程概略図、第２図
は帯状金属芯材の正面図、第３図、第４図は無孔部に開
孔を打抜た帯状極板の正面図であるＯｌ・・・帯状金属
芯材、２・・・多孔部、３・・・無孔部。 特許出願人　古河亀池株式会社 代理人　弁理士　佐　藤　英　昭Figure 1 is a schematic diagram of the manufacturing process for implementing the present invention, Figure 2 is a front view of a strip-shaped metal core, and Figures 3 and 4 are of a strip-shaped electrode plate with holes punched in the non-porous part. In the front view, Ol...band-shaped metal core material, 2...porous part, 3... non-porous part. Patent applicant Hideaki Sato, agent of Furukawa Kameike Co., Ltd., patent attorney

Claims (1)

【特許請求の範囲】[Claims] 中央部が多孔部で両縁部が無孔部である帯状金属芯材に
Ｒ−スト状活物質を充填し、化成後、極板をロールプレ
スする極板の製造方法に訃いて、ペースト充填とロール
プレスとの間に帯状金属芯材の無孔部に、多孔部の開孔
率に対し７０〜９５チの開孔を打抜くＣとを特徴とする
アルカリ電池用極板の製造方法。A strip-shaped metal core material with a porous portion in the center and non-porous portions on both edges is filled with an R-stripe active material, and after chemical formation, the electrode plate is roll-pressed using a paste filling method. A method for producing an electrode plate for an alkaline battery, comprising: punching holes of 70 to 95 inches in size relative to the porosity of the porous portion in the non-porous portion of the strip metal core material between the roller press and the roll press.
JP57224863A 1982-12-23 1982-12-23 Production method of alkaline cell electrode plate Pending JPS59117062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57224863A JPS59117062A (en) 1982-12-23 1982-12-23 Production method of alkaline cell electrode plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57224863A JPS59117062A (en) 1982-12-23 1982-12-23 Production method of alkaline cell electrode plate

Publications (1)

Publication Number Publication Date
JPS59117062A true JPS59117062A (en) 1984-07-06

Family

ID=16820342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57224863A Pending JPS59117062A (en) 1982-12-23 1982-12-23 Production method of alkaline cell electrode plate

Country Status (1)

Country Link
JP (1) JPS59117062A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037662A (en) * 1983-08-09 1985-02-27 Sanyo Electric Co Ltd Zinc electrode
JPS6039765A (en) * 1983-08-11 1985-03-01 Sanyo Electric Co Ltd Zinc electrode
JPS62127874A (en) * 1985-11-25 1987-06-10 ゼロツクス　コ−ポレ−シヨン Developer
JPH042823U (en) * 1990-04-24 1992-01-10
FR2734949A1 (en) * 1995-05-31 1996-12-06 Samsung Display Devices Co Ltd NEGATIVE ELECTRODE STRUCTURE IN A SECONDARY BATTERY.
JP2008071942A (en) * 2006-09-14 2008-03-27 Hitachi Aic Inc Electric double layer capacitor
JP2012238427A (en) * 2011-05-10 2012-12-06 Gs Yuasa Corp Electrochemical device and manufacturing method of electrochemical device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037662A (en) * 1983-08-09 1985-02-27 Sanyo Electric Co Ltd Zinc electrode
JPS6039765A (en) * 1983-08-11 1985-03-01 Sanyo Electric Co Ltd Zinc electrode
JPH0552028B2 (en) * 1983-08-11 1993-08-04 Sanyo Electric Co
JPS62127874A (en) * 1985-11-25 1987-06-10 ゼロツクス　コ−ポレ−シヨン Developer
JPH042823U (en) * 1990-04-24 1992-01-10
FR2734949A1 (en) * 1995-05-31 1996-12-06 Samsung Display Devices Co Ltd NEGATIVE ELECTRODE STRUCTURE IN A SECONDARY BATTERY.
JP2008071942A (en) * 2006-09-14 2008-03-27 Hitachi Aic Inc Electric double layer capacitor
JP2012238427A (en) * 2011-05-10 2012-12-06 Gs Yuasa Corp Electrochemical device and manufacturing method of electrochemical device

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