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KR970024354A - 2차전지용 탄소질 전극재료 및 그것의 제조방법(carbonaceous electrode material for secondary battery and process for production thereof) - Google Patents

2차전지용 탄소질 전극재료 및 그것의 제조방법(carbonaceous electrode material for secondary battery and process for production thereof) Download PDF

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Publication number
KR970024354A
KR970024354A KR1019960043792A KR19960043792A KR970024354A KR 970024354 A KR970024354 A KR 970024354A KR 1019960043792 A KR1019960043792 A KR 1019960043792A KR 19960043792 A KR19960043792 A KR 19960043792A KR 970024354 A KR970024354 A KR 970024354A
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South Korea
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electrode
secondary battery
organic material
carbonaceous
inert gas
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KR1019960043792A
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KR100241194B1 (ko
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나오히로 소노베
지로 마스코
도모유키 아이타
미노루 이시카와
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고다마 준이치로
구레하 가가쿠 고교 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
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/0438—Processes of manufacture in general by electrochemical processing
    • H01M4/044—Activating, forming or electrochemical attack of the supporting material
    • H01M4/0445—Forming after manufacture of the electrode, e.g. first charge, cycling
    • H01M4/0447—Forming after manufacture of the electrode, e.g. first charge, cycling of complete cells or cells stacks
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/96—Carbon-based electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0025—Organic electrolyte
    • 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
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Secondary Cells (AREA)

Abstract

리튬과 같은 셀 활성물질의 개선된 도핑 및 탈도핑 용량을 가지며, 비수용매계 2차전지에 적합한 탄소질 전극 재료는 식물유래의 유기물질을 탄화시킴으로써 얻어지며, 수은 주입법에 의해 측정한바, 5㎛이하의 기공직경을 갖는 기공 g당 0.55ml 이상의 기공부피를 가지며, 질소흡착 BET법에 의해 측정한바 100m2/g 이하의 비표면적을 갖는 탄소질 전극재료로 구성된다. 탄소질 재료는 바람직하게는 10kPa를 초과하는 압력하에서 700-1500℃의 온도에서 흐르는 비활성 기체와 접촉하여 식물유래의 유기물질을 탄화시킴으로써 제조된다.

Description

2차전지용 탄소질 전극재료 및 그것의 제조방법(CARBONACEOUS ELECTRODE MATERIAL FOR SECONDARY BATTERY AND PROCESS FOR PRODUCTION THEREOF)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라 구성될 수 있는 비수용매계 2차전지의 부분분해 사시도이다.

Claims (13)

  1. 식물유래의 유기물질을 탄화시킴으로써 얻어지며, 수은주입법에 의해 측정한바, 5㎛이하의 기공직경을 갖는 기공 g당 0.55ml 이상의 기공부피를 가지며, 질소흡착 BET법에 의해 측정한바 100m2/g이하의 비표면적을 갖는 비수용매계 2차전지를 위한 탄소질 전극재료.
  2. 제1항에 있어서, 유기물질은 커피원두, 왕겨, 활엽수목재, 침엽수목재, 및 대나무로 구성되는 군으로부터 선택되는 한가지인 것을 특징으로 하는 탄소질 전극재료.
  3. 제1항 또는 제2항에 있어서, X선 회절법에 의해 측정한 바 적어도 0.365nm의 평균(002)면 간격을 갖는 것을 특징으로 하는 탄소질 전극재료.
  4. 10kPa를 초과하는 압력하에 700-1500℃의 온도에서 흐르는 비활성 기체와 접촉하여 식물유래의 유기물질을 탄화시키는 것으로 이루어지는 비수용매계 2차전지를 위한 탄소질 전극재료의 제조방법.
  5. 제4항에 있어서, 유기물질을 층으로 쌓고 비활성기체를 층과 평행하게 흐르게 하는 것을 특징으로 하는 방법.
  6. 제5항에 있어서, 유기물질을 베드를 형성하게 하고 비활성기체를 베드를 통해 흐르게 하는 것을 특징으로 하는 방법.
  7. 제6항에 있어서, 유기물질은 흐르는 비활성기체의 작용하에 유동화 베드를 형성하는 것을 특징으로 하는 방법.
  8. 제6항 또는 제7항에 있어서, 비활성기체는 탄화시킬 유기물질 그램당 적어도 10ml/분의 속도로 흐르게 하는 것을 특징으로 하는 방법.
  9. 제4항 내지 제7항중 어느 한항에 있어서, 유기물질을 사전 하소하고 탄화에 앞서 100㎛이하의 평균직경으로 분쇄하는 것을 특징으로 하는 방법.
  10. 10kPa이하의 감압하에 700-1500℃의 온도에서 코코넛 껍질을 제외한 식물유래의 유기물질을 탄화시키는 것으로 이루어지는 비수용매계 2차전지를 위한 탄소질 전극재료의 제조방법.
  11. 도전성 기판과, 도전성 기판의 적어도 한표면에 배치된 복합 전극층으로 이루어지며, 상기 복합전극층은 입상형태로 제1항 내지 제3항중 어느 한항에 따르는 탄소질 전극재료와 결합제로 이루어지는 것을 특징으로 하는 비수용매계 2차전지를 위한 전극구조물.
  12. 양극, 음극 그리고 양극과 음극사이에 배치된 세퍼레이터와 비수성전해질 용액으로 이루어지며, 상기 양극과 음극중 적어도 하나는 제11항에 따르는 전극구조물로 이루어지는 것을 특징으로 하는 비수용매계 2차전지.
  13. 제12항에 있어서, 전극구조물은 음극을 구성하는 것을 특징으로 하는 2차전지.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960043792A 1995-10-03 1996-10-04 2차전지용 탄소질 전극재료 및 그것의 제조방법 KR100241194B1 (ko)

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JP95-278261 1995-10-03
JP27826195 1995-10-03

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JP4187804B2 (ja) * 1997-04-03 2008-11-26 ソニー株式会社 非水溶媒系二次電池の電極用炭素質材料及びその製造方法、並びに非水溶媒系二次電池
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FR2771856B1 (fr) 1997-12-02 2000-02-25 Messier Bugatti Electrode en fibres de carbone pour batterie secondaire
GB2337150B (en) * 1998-05-07 2000-09-27 Nat Power Plc Carbon based electrodes
KR20040048273A (ko) * 2002-12-02 2004-06-07 김수삼 대나무와 숯을 사용한 향상된 동전기 정화 처리
JP5619321B2 (ja) 2012-08-30 2014-11-05 株式会社クレハ 非水電解質二次電池用炭素質材料及びその製造方法、並びに前記炭素質材料を用いた負極および非水電解質二次電池
CN104412425B (zh) * 2012-09-06 2017-07-21 株式会社吴羽 非水电解质二次电池负极用碳质材料及其制造方法
US9552930B2 (en) 2015-01-30 2017-01-24 Corning Incorporated Anode for lithium ion capacitor
EP2960970A4 (en) 2013-02-19 2016-09-07 Kureha Corp CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF A SECONDARY BATTERY WITH NON-AQUEOUS ELECTROLYTE
US9672992B2 (en) 2015-01-30 2017-06-06 Corning Incorporated Coke sourced anode for lithium ion capacitor
US9911545B2 (en) * 2015-01-30 2018-03-06 Corning Incorporated Phenolic resin sourced carbon anode in a lithium ion capacitor
US9679704B2 (en) 2015-01-30 2017-06-13 Corning Incorporated Cathode for a lithium ion capacitor
US9607778B2 (en) 2015-01-30 2017-03-28 Corning Incorporated Poly-vinylidene difluoride anode binder in a lithium ion capacitor
US10734650B2 (en) 2015-10-30 2020-08-04 Kuraray Co., Ltd. Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing carbonaceous material for non-aqueous electrolyte secondary battery
US11355755B2 (en) 2015-10-30 2022-06-07 Kuraray Co., Ltd. Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte
US11345601B2 (en) 2016-08-16 2022-05-31 Kuraray Co., Ltd. Carbonaceous material for negative pole active substance of nonaqueous electrolyte secondary battery, negative pole for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing carbonaceous material
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CN110482552A (zh) * 2019-09-04 2019-11-22 中国科学院山西煤炭化学研究所 一种超级电容活性炭的活化装置及其活化方法

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CA2186999C (en) 2002-10-29
EP0767505B1 (en) 1999-05-12
DE69602405T2 (de) 1999-12-16
KR100241194B1 (ko) 2000-02-01
DE69602405D1 (de) 1999-06-17
EP0767505A1 (en) 1997-04-09

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