KR970008702A - 알칼리축전지용 수산화니켈전극의 제조방법 및 알칼리축전지 - Google Patents

알칼리축전지용 수산화니켈전극의 제조방법 및 알칼리축전지 Download PDF

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KR970008702A
KR970008702A KR1019960004030A KR19960004030A KR970008702A KR 970008702 A KR970008702 A KR 970008702A KR 1019960004030 A KR1019960004030 A KR 1019960004030A KR 19960004030 A KR19960004030 A KR 19960004030A KR 970008702 A KR970008702 A KR 970008702A
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nickel hydroxide
electrode
active material
cadmium
secondary battery
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KR100385480B1 (ko
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아끼후미 야마와까
신스께 나까호리
다께오 하마마스
요시다까 바바
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다카노 야스아키
산요덴키 가부시키가이샤
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    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • 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
    • H01M4/32—Nickel oxide or hydroxide electrodes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Nickelates
    • C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/24—Alkaline accumulators
    • H01M10/30—Nickel accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야
본 발명은 알칼리축전지용 니켈전극의 제조방법에 관한 것이다.
2. 발명이 해결하려고하는 기술적 과제
본 발명은 활성물질의 이용율향상 및 과방전한때의 용량의 저하를 방지하려고 하는 것을 과제로 한다.
3. 발명의 해결방법의 요지
아연, 카드뮴, 마그네슘, 또는 칼슘의 1종 이상을 고용상태로 첨가한 수산화니켈입자표면에 결정구조가 산란된 2가보다도 큰 코발트화합물의 층을 갖는 활성물질을 구비한 것을 특징으로 하는 알칼리축전지용 수산화니켈전극 및 그 제조방법이다.
4. 발명의 중요한 용도
본 발명은 금속수소화물축전지나 니켈-카드뮴축전지와 같은 알칼리축전지에 사용되는 니켈전극의 제조방법에 관한 것이다.

Description

알칼리축전지용 수산화니켈전극의 제조방법 및 알칼리축전지
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 활성물질과 비교활성물질과의 X선 회절도, 제2도는 실시예 1의 단위활성물질량당의 용량과 수산화코발트농도의 관계도, 제3도는 실시예 2의 단위활성물질량당의 용량과 수산화코발트농도의 관계도.

Claims (13)

  1. 아연, 카드뮴, 마그네슘, 또는 칼슘의 1종 이상을 고용상태로 첨가한 수산화니켈입자표면에 결정구조가 산란된 2가보다도 큰 코발트화합물의 층을 갖는 활성물질을 구비한 것을 특징으로 하는 알칼리축전지용 수산화니켈전극.
  2. 아연, 카드뮴, 마그네슘, 또는 칼슘의 1종 이상을 고용상태로 첨가한 수산화니켈분말과 금속코발트 또는 코발트화합물분말과의 혼합물을 산소와 알칼리 공존하에서 가열처리해서 활성물질을 얻고 이 활성물질을 활성물질유지체에 유지시키는 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  3. 제2항에 있어서, 금속코발트 또는 코발트화합물의 수산화니켈에 대해 5∼14물％인 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  4. 제2항에 있어서, 알칼리는 농도가 15∼40중량％의 알칼리용액인 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  5. 제2항에 있어서, 알칼리는 리튬이온을 함유하고 있는 것을 특징으로 하는 알칼리측전지용 수산화니켈전극의 제조방법.
  6. 제2항에 있어서, 가열처리시의 온도가 50∼150℃인 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  7. 제2항에 있어서, 활성물질유지체에 상기한 활성물질과 아연, 아연화합물, 카드뮴 또는 카드뮴화합물의 1종 이상을 유지시키는 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  8. 아연, 카드뮴, 마그네슘, 또는 칼슘의 1종 이상을 고용상태로 첨가한 수산화니켈분말을 황산코발트염 또는 아세트산코발트염의 수용액중에 첨가함과 동시에 pH 8.0∼12.0으로 조정된 수용액중에서 중화시킨후 산소와 알칼리 공존하에서 가열처리해서 활성물질을 얻고 이 활성물질을 활성물질유지체에 유지시키는 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  9. 제8항에 있어서, 코발트염이 수산화니켈에 대해 3-14몰％인 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  10. 제8항에 있어서, 알칼리는 농도가 15∼40중량％의 알칼리용액인 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  11. 제8항에 있어서, 가열온도가 50∼150℃인 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  12. 제8항에 있어서, 활성물질유지체에 상기한 활성물질과 아연, 아연화합물, 카드뮴 또는 카드뮴 화합물의 1종 이상을 유지시키는 것을 특징으로 하는 알칼리축전지용 수산화니켈전극의 제조방법.
  13. 아연, 카드뮴, 마그네슘, 또는 칼슘의 1종 이상을 고용상태로 첨가한 수산화니켈입자표면에 결정구조가 산란된 2가보다도 큰 코발트화합물의 층을 갖는 활성물질을 구비한 니켈전극과 알칼리전해액과 폴리올레핀수지섬유의 부직포를 주체로하는 세파레이터와 MmNi5계수소흡장합금을 구비한 부극을 갖고 있는 것을 특징으로 하는 알칼리전지.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960004030A 1995-07-31 1996-02-21 알칼리축전지용비소결식니켈전극의제조방법및알칼리축전지 KR100385480B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19509695A JP3363670B2 (ja) 1994-09-21 1995-07-31 アルカリ蓄電池用非焼結式ニッケル電極及びその製造方法並びにアルカリ蓄電池
JP95-195096 1995-07-31

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KR970008702A true KR970008702A (ko) 1997-02-24
KR100385480B1 KR100385480B1 (ko) 2003-08-19

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US (3) US5672447A (ko)
EP (1) EP0757395B1 (ko)
KR (1) KR100385480B1 (ko)
CN (1) CN1084057C (ko)
DE (1) DE69629772T2 (ko)
HK (1) HK1010429A1 (ko)

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US5672447A (en) 1997-09-30
EP0757395B1 (en) 2003-09-03
CN1148737A (zh) 1997-04-30
HK1010429A1 (en) 1999-06-17
EP0757395A1 (en) 1997-02-05
CN1084057C (zh) 2002-05-01
US5688616A (en) 1997-11-18
DE69629772D1 (de) 2003-10-09
DE69629772T2 (de) 2004-08-05
US6632568B1 (en) 2003-10-14
KR100385480B1 (ko) 2003-08-19

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