KR20180084715A - 리튬 이온 전지용 도전 하지 도료 - Google Patents

리튬 이온 전지용 도전 하지 도료 Download PDF

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Publication number
KR20180084715A
KR20180084715A KR1020180083103A KR20180083103A KR20180084715A KR 20180084715 A KR20180084715 A KR 20180084715A KR 1020180083103 A KR1020180083103 A KR 1020180083103A KR 20180083103 A KR20180083103 A KR 20180083103A KR 20180084715 A KR20180084715 A KR 20180084715A
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lithium ion
ion battery
coating material
base coating
electroconductive base
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KR1020180083103A
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English (en)
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미노루 시라히게
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히타치가세이가부시끼가이샤
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Publication of KR20180084715A publication Critical patent/KR20180084715A/ko

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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
    • H01M4/13—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
    • H01M4/02—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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Paints Or Removers (AREA)

Abstract

(과제) 리튬 이온 전지용 전극에 있어서의 집전체와 활물질간의 접촉 저항을 저감시키고, 집전체와 활물질 함유층의 밀착성의 향상에 기여하여, 막두께 6 ㎛ 이하로 균일하게 도공 가능한 도전 하지 도료, 이것을 사용한 리튬 이온 전지용 전극 및 리튬 이온 전지를 제공하는 것.
(해결 수단) 본 발명의 수계 도전 하지 도료는, 집전체 및 활물질을 함유하여 이루어지는 리튬 이온 전지용 전극의 도전 하지 피막을 형성하는 수계 도전 하지 도료이다. 상기 도전 하지 도료는, 박편화 흑연을 함유하고, 상기 박편화 흑연은, 50 질량％ 레이저 회절 직경 (X50dif) 이 0.3 ㎛ ∼ 8 ㎛, 50 질량％ 스토크스 직경 (X50st) 이 0.08 ㎛ ∼ 3.5 ㎛, 박편화 지수 (X50dif/X50st) 가 2.2 ∼ 5 이다.
KR1020180083103A 2011-01-28 2018-07-17 리튬 이온 전지용 도전 하지 도료 KR20180084715A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011016761A JP5598356B2 (ja) 2011-01-28 2011-01-28 リチウムイオン電池用の導電下地塗料
JPJP-P-2011-016761 2011-01-28

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KR (2) KR20120087820A (ko)
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JP6361955B2 (ja) 2013-01-11 2018-07-25 株式会社Ｇｓユアサ 蓄電素子及びその製造方法
CN106947280B (zh) * 2013-08-27 2020-03-03 日产化学工业株式会社 导电性碳材料分散剂以及导电性碳材料分散液
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TWI617073B (zh) 2016-11-25 2018-03-01 財團法人工業技術研究院 電池電極結構及其製作方法
WO2019065084A1 (ja) * 2017-09-29 2019-04-04 株式会社カネカ 加工グラファイト積層体、その製造方法および加工グラファイト積層体用レーザー切断装置
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CN116259710A (zh) * 2020-10-15 2023-06-13 宁德新能源科技有限公司 极片及包含其的电化学装置和电子设备
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CN113066958B (zh) * 2021-03-22 2022-09-27 珠海冠宇电池股份有限公司 一种集流体及其应用
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CN102618097A (zh) 2012-08-01
JP2012156109A (ja) 2012-08-16
KR20120087820A (ko) 2012-08-07
JP5598356B2 (ja) 2014-10-01
CN102618097B (zh) 2016-09-28

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