CL2021000884A1 - Partículas que comprenden silicio y litio - Google Patents

Partículas que comprenden silicio y litio

Info

Publication number
CL2021000884A1
CL2021000884A1 CL2021000884A CL2021000884A CL2021000884A1 CL 2021000884 A1 CL2021000884 A1 CL 2021000884A1 CL 2021000884 A CL2021000884 A CL 2021000884A CL 2021000884 A CL2021000884 A CL 2021000884A CL 2021000884 A1 CL2021000884 A1 CL 2021000884A1
Authority
CL
Chile
Prior art keywords
silicon
lithium
particles
weight
carbon
Prior art date
Application number
CL2021000884A
Other languages
English (en)
Inventor
Yinzhi Zhang
Zhong Tang
Original Assignee
Albemarle Corp
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
Application filed by Albemarle Corp filed Critical Albemarle Corp
Publication of CL2021000884A1 publication Critical patent/CL2021000884A1/es

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Classifications

    • 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
    • H01M4/362—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
    • 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
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0421—Methods of deposition of the material involving vapour deposition
    • 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
    • H01M4/134—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
    • H01M4/1395—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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Secondary Cells (AREA)
  • Paints Or Removers (AREA)

Abstract

Esta invención proporciona composiciones que comprenden partículas recubiertas que comprenden silicio en las que el recubrimiento está compuesto por carbono y uno o más silicatos de litio, las partículas recubiertas que comprenden silicio que tienen un contenido de carbono de alrededor de 0,10 % en peso o más y un contenido de litio de alrededor de 1 % en peso o más, con respecto al peso total de la partícula recubierta. También se proporcionan procesos para preparar estas composiciones.
CL2021000884A 2018-10-12 2021-04-09 Partículas que comprenden silicio y litio CL2021000884A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862744832P 2018-10-12 2018-10-12

Publications (1)

Publication Number Publication Date
CL2021000884A1 true CL2021000884A1 (es) 2021-11-19

Family

ID=68393094

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021000884A CL2021000884A1 (es) 2018-10-12 2021-04-09 Partículas que comprenden silicio y litio

Country Status (9)

Country Link
US (1) US20210399288A1 (es)
EP (1) EP3864717A1 (es)
JP (1) JP2022511608A (es)
KR (1) KR20210074282A (es)
CN (1) CN112840476A (es)
AU (1) AU2019359479A1 (es)
CA (1) CA3113256A1 (es)
CL (1) CL2021000884A1 (es)
WO (1) WO2020077296A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111584848A (zh) * 2020-05-22 2020-08-25 贝特瑞新材料集团股份有限公司 硅氧复合负极材料、其制备方法和锂离子电池
TWI786610B (zh) * 2021-04-23 2022-12-11 長興材料工業股份有限公司 矽基材料、其製備方法及應用
CN114388738B (zh) * 2021-12-29 2024-01-02 湖北亿纬动力有限公司 一种硅基负极材料及其制备方法和应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150221950A1 (en) * 2012-09-27 2015-08-06 Sanyo Electric Co., Ltd. Negative electrode active material for non-aqueous electrolyte secondary batteries and non-aqueous electrolyte secondary battery using negative electrode active material
KR101906973B1 (ko) * 2012-12-05 2018-12-07 삼성전자주식회사 표면 개질된 음극 활물질용 실리콘 나노입자 및 그 제조방법
JP2014220216A (ja) * 2013-05-10 2014-11-20 帝人株式会社 非水電解質二次電池用の複合粒子
CN105552316B (zh) * 2014-10-27 2018-09-18 财团法人工业技术研究院 用于锂离子电池的负极材料以及包含其的锂离子电池
WO2016147564A1 (ja) * 2015-03-13 2016-09-22 三洋電機株式会社 非水電解質二次電池
JP2016219408A (ja) * 2015-05-21 2016-12-22 日立化成株式会社 二次電池用負極活物質、二次電池用負極活物質の製造方法、リチウムイオン二次電池用負極、及びリチウムイオン二次電池
WO2017145654A1 (ja) * 2016-02-24 2017-08-31 信越化学工業株式会社 非水電解質二次電池用負極活物質、非水電解質二次電池、及び非水電解質二次電池用負極材の製造方法
CN107579239B (zh) * 2017-09-13 2019-11-12 山东大学 一种石墨烯/固态电解质复合包覆硅复合负极及其制备方法
CN108232145B (zh) * 2017-10-23 2020-09-15 中航锂电（洛阳）有限公司 一种空间缓冲、掺杂锂的硅氧化物复合材料及其制备方法、锂离子电池
WO2019112390A1 (ko) * 2017-12-08 2019-06-13 주식회사 엘지화학 리튬 이차전지용 음극 활물질 및 이의 제조방법

Also Published As

Publication number Publication date
KR20210074282A (ko) 2021-06-21
EP3864717A1 (en) 2021-08-18
CN112840476A (zh) 2021-05-25
AU2019359479A1 (en) 2021-05-27
JP2022511608A (ja) 2022-02-01
CA3113256A1 (en) 2020-04-16
US20210399288A1 (en) 2021-12-23
WO2020077296A1 (en) 2020-04-16

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