KR960019832A - 전지용 전극기판 및 그 제조방법 - Google Patents

전지용 전극기판 및 그 제조방법 Download PDF

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KR960019832A
KR960019832A KR1019950040009A KR19950040009A KR960019832A KR 960019832 A KR960019832 A KR 960019832A KR 1019950040009 A KR1019950040009 A KR 1019950040009A KR 19950040009 A KR19950040009 A KR 19950040009A KR 960019832 A KR960019832 A KR 960019832A
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electrode substrate
battery electrode
substrate according
porous body
metal
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KR1019950040009A
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케이죠 하라다
마사유키 이시이
켕이치 와타나베
쇼사쿠 야마나카
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쿠라우찌 노리타카
스미도모덴기고오교오 가부시기가이샤
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Priority claimed from JP6272290A external-priority patent/JPH08138680A/ja
Priority claimed from JP15940995A external-priority patent/JP3781058B2/ja
Application filed by 쿠라우찌 노리타카, 스미도모덴기고오교오 가부시기가이샤 filed Critical 쿠라우찌 노리타카
Publication of KR960019832A publication Critical patent/KR960019832A/ko

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    • H—ELECTRICITY
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    • 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
    • H01M4/64—Carriers or collectors
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    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
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    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
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    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
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    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
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    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
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    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
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    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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Abstract

본 발명은, 강도를 확보하는 동시에, 전지특성을 향상시킨 전지용 전극기판의 제공을 목적으로 하며, 그 구성에 있어서 선택적으로 저기공율부를 배치한 금속 다공체로 전지용전극기판을 구성하고, 다공성수지심체에 금속성분페이스트를 도포후, 오목부를 형성한 로울을 통과하게 해서 저기공율부(8)를 형성하고, 잇따라서 소결하는 것을 특징으로 한 것이다.

Description

전지용 전극기판 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 전지용 전극기판의 제조장치의 개략설명도,
제2도는 본 발명에 사용하는 스퀴즈로울의 예를 표시한 설명도,
제3도는 동, 다른예를 표시한 설명도.

Claims (13)

  1. 전지용 집전체에 사용하는 활물질(活物質)을 유지하는 전극기판으로서, 선택적으로 저기공율부분이 배치된 금속다공체로 구성하는 것을 특징으로 하는 전지용 전극기판.
  2. 제1항에 있어서, 금속다공체의 저기공율부분의 기공율이 50∼80%이고, 그밖의 부분의 기공율이 90∼97%인 것을 특징으로 하는 전지용 전극기판.
  3. 제1항에 있어서, 금속다공체의 저기공율부분과 그밖의 부분이 연속해 있는 것을 특징으로 하는 전지용 전극기판.
  4. 제1항에 있어서, 금속다공체의 저기공율부가 가압되어 있는 것을 특징으로 하는 전지용 전극기판.
  5. 제1항 내지 제4항의 어느 한 항에 있어서, 금속다공체는 그 골격내부가 Fe이고, 그 표면부가 Ni에 의해 피복되어 있는 Fe/Ni 2층구조로 이루어진 것을 특징으로 하는 전지용 전극기판.
  6. 제5항에 있어서, Fe골격이 98% 이상의 순도인 것을 특징으로 전지용 전극기판.
  7. 제5항에 있어서, Ni피복층중의 Fe함유량이 10% 이하인 것을 특징으로 하는 전지용 전극기판.
  8. 제5항에 있어서, Ni피복층의 평균두께가 0.1㎛ 이상 10㎛ 이하인 것을 특징으로 하는 전지용 전극기판.
  9. 다공성의 수지심체(芯體)의 골격에, 금속, 합금 혹은 금속화합물 분말과 결착제를 주성분으로 한 페이스트를 함침도포한 후, 오목부를 형성한 로울사이를 통과하게 하므로서 선택적으로 자기공율부를 형성시키고,잇따라서 금속이 소결하는 온도이상으로 가열해서 시이트형상의 3차원 그물코형상금속 다공체로 하는 것을 특징으로 하는 전지용 전극기판의 제조방법.
  10. 제9항에 있어서, 로울이 홈형상오목부로 되어 있는 것을 사용한 것을 특징으로 하는 전지용 전극기판의 제조방법.
  11. 제9항에 있어서, 로울이 스포트형상오목부로 되어 있는 것을 사용한 것을 특징으로 하는 전지용 전극기판의 제조방법.
  12. 다공성의 수지심체의 골격에, Fe분말과 결착제를 주성분으로한 페이스트를 함침도포한후, 오목부를 형성한 로울 사이를 통과하게 하므로서 선택적으로 저기공율부를 형성시키고, 잇따라서 Fe분말을 부착시킨후 Fe 가 소결하는 온도이상으로 가열해서 시이트형상의 Fe다공체를 얻은 후, Ni를 전기도금하는 것을 특징으로 하는 전지용 전극기판의 제조방법.
  13. 다공성의 수지심체의 골격에, 유기수지결착제를 주성분으로 한 페이스트를 함침도포한후, 오목부를 형성한 로울사이를 통과하게 하므로서 페이스트부착량을 선택적으로 변화시키고, 잇따라서 Fe분말을 부착시킨 후, Fe가 소결하는 온도이상으로 가열해서 시이트형상의 Fe다공체를 얻은 후, Ni를 전기도금하는 것을 특징으로 하는 전지용 전극기판의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950040009A 1994-11-07 1995-11-07 전지용 전극기판 및 그 제조방법 KR960019832A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP94-272290 1994-11-07
JP6272290A JPH08138680A (ja) 1994-11-07 1994-11-07 電池用電極基板及びその製造方法
JP15940995A JP3781058B2 (ja) 1995-06-26 1995-06-26 電池用電極基板及びその製造方法
JP95-159409 1995-06-26

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KR960019832A true KR960019832A (ko) 1996-06-17

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US (2) US6020089A (ko)
EP (1) EP0710995B1 (ko)
KR (1) KR960019832A (ko)
CN (1) CN1077336C (ko)
CA (1) CA2161287C (ko)
DE (1) DE69520325T2 (ko)
TW (2) TW425733B (ko)

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CN1132949A (zh) 1996-10-09
CA2161287C (en) 1999-06-22
EP0710995B1 (en) 2001-03-14
CN1077336C (zh) 2002-01-02
CA2161287A1 (en) 1996-05-08
EP0710995A2 (en) 1996-05-08
DE69520325T2 (de) 2001-08-23
DE69520325D1 (de) 2001-04-19
TW561645B (en) 2003-11-11
US5965298A (en) 1999-10-12

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