BR112022005774A2 - Material de eletrodo negativo, método de preparação para o mesmo, e aplicação do mesmo, e bateria de íon de lítio compreendendo o mesmo - Google Patents

Material de eletrodo negativo, método de preparação para o mesmo, e aplicação do mesmo, e bateria de íon de lítio compreendendo o mesmo

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Publication number
BR112022005774A2
BR112022005774A2 BR112022005774A BR112022005774A BR112022005774A2 BR 112022005774 A2 BR112022005774 A2 BR 112022005774A2 BR 112022005774 A BR112022005774 A BR 112022005774A BR 112022005774 A BR112022005774 A BR 112022005774A BR 112022005774 A2 BR112022005774 A2 BR 112022005774A2
Authority
BR
Brazil
Prior art keywords
negative electrode
electrode material
lithium
ion battery
silicon
Prior art date
Application number
BR112022005774A
Other languages
English (en)
Inventor
Huanxin Gao
Sai Sun
Siyu Zhang
Original Assignee
China Petroleum & Chem Corp
Shanghai Res Inst Petrochemical Tech Sinopec
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
Priority claimed from CN201910953233.6A external-priority patent/CN112635719B/zh
Priority claimed from CN201910953279.8A external-priority patent/CN112652755B/zh
Application filed by China Petroleum & Chem Corp, Shanghai Res Inst Petrochemical Tech Sinopec filed Critical China Petroleum & Chem Corp
Publication of BR112022005774A2 publication Critical patent/BR112022005774A2/pt

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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
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of 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
    • H01M4/139—Processes of manufacture
    • H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
    • 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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • 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
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

material de eletrodo negativo,método de preparação para o mesmo, e aplicação do mesmo, e bateria de íon de lítio compreendendo o mesmo. a presente invenção refere-se a um material de eletrodo negativo à base de silício, um método de preparação para o mesmo, e uma aplicação do mesmo em uma bateria de íons de lítio, e também refere-se a uma bateria de íons de lítio compreendendo o material de eletrodo negativo à base de silício. o material de eletrodo negativo da presente invenção compreende um material contendo silício e uma camada de revestimento contendo fósforo na periferia do material contendo silício, em que a camada de revestimento contendo fósforo compreende um polímero que tem segmentos estruturais de hidrocarboneto aromático de anel fundido policíclico. o material de eletrodo negativo da presente invenção é fornecido simultaneamente com uma primeira eficiência coulômbica, modificada, capacidade específica de carga reversível, taxa de retenção e condutividade da capacidade de carga do ciclo. quando usado para a bateria de íons de lítio, o material de eletrodo negativo da presente invenção pode melhorar a densidade da energia da bateria de lítio.
BR112022005774A 2019-10-09 2020-09-29 Material de eletrodo negativo, método de preparação para o mesmo, e aplicação do mesmo, e bateria de íon de lítio compreendendo o mesmo BR112022005774A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201910953233.6A CN112635719B (zh) 2019-10-09 2019-10-09 电池负极材料及其制备方法和应用以及锂离子电池
CN201910953279.8A CN112652755B (zh) 2019-10-09 2019-10-09 硅碳负极材料及其制备方法和应用以及锂离子电池
PCT/CN2020/118704 WO2021068793A1 (zh) 2019-10-09 2020-09-29 负极材料及其制备方法和应用以及含有其的锂离子电池

Publications (1)

Publication Number Publication Date
BR112022005774A2 true BR112022005774A2 (pt) 2022-06-21

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BR112022005774A BR112022005774A2 (pt) 2019-10-09 2020-09-29 Material de eletrodo negativo, método de preparação para o mesmo, e aplicação do mesmo, e bateria de íon de lítio compreendendo o mesmo
BR112022005422A BR112022005422A2 (pt) 2019-10-09 2020-09-29 Material de eletrodo negativo, método de preparação para o mesmo e aplicações do mesmo, e bateria de íons de lítio

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Country Status (9)

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US (2) US20230148348A1 (pt)
EP (2) EP4044278A4 (pt)
JP (2) JP2022552486A (pt)
KR (2) KR20220078682A (pt)
CN (2) CN114467198A (pt)
AU (2) AU2020363051A1 (pt)
BR (2) BR112022005774A2 (pt)
CA (2) CA3157355A1 (pt)
WO (2) WO2021068796A1 (pt)

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KR20240055744A (ko) * 2021-09-08 2024-04-29 코퍼스 델라웨어 인코포레이티드 흑연 재료를 코팅하기 위한 콜타르 피치의 분산액 및 Li-이온 배터리 전극 생산에서의 용도
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CN112652755B (zh) * 2019-10-09 2022-07-12 中国石油化工股份有限公司 硅碳负极材料及其制备方法和应用以及锂离子电池
CN111146422B (zh) * 2019-12-26 2023-07-07 宁德新能源科技有限公司 负极材料及包含其的电化学装置和电子装置
CN111146434A (zh) * 2019-12-26 2020-05-12 宁德新能源科技有限公司 负极材料及包含其的电化学装置和电子装置
CN111653738B (zh) 2020-04-20 2022-01-07 万向一二三股份公司 一种锂离子电池硅碳负极材料及其制备方法

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EP4044285A1 (en) 2022-08-17
CA3157355A1 (en) 2021-04-15
AU2020363051A1 (en) 2022-04-14
CN114467198A (zh) 2022-05-10
BR112022005422A2 (pt) 2022-06-21
EP4044285A4 (en) 2024-01-10
US20230148348A1 (en) 2023-05-11
WO2021068796A1 (zh) 2021-04-15
CA3155666A1 (en) 2021-04-15
EP4044278A1 (en) 2022-08-17
WO2021068793A1 (zh) 2021-04-15
JP2022552485A (ja) 2022-12-16
EP4044278A4 (en) 2024-01-03
JP2022552486A (ja) 2022-12-16
CN114467195A (zh) 2022-05-10
KR20220078682A (ko) 2022-06-10
KR20220078683A (ko) 2022-06-10
US20220393152A1 (en) 2022-12-08
AU2020363053A1 (en) 2022-04-14

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