MY207903A - Fine silicon particles and production method thereof - Google Patents

Fine silicon particles and production method thereof

Info

Publication number
MY207903A
MY207903A MYPI2022002938A MYPI2022002938A MY207903A MY 207903 A MY207903 A MY 207903A MY PI2022002938 A MYPI2022002938 A MY PI2022002938A MY PI2022002938 A MYPI2022002938 A MY PI2022002938A MY 207903 A MY207903 A MY 207903A
Authority
MY
Malaysia
Prior art keywords
measured
fine silicon
silicon particles
range
less
Prior art date
Application number
MYPI2022002938A
Inventor
Naoki Rikita
Yoshinobu Nakada
Original Assignee
Mitsubishi Materials 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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of MY207903A publication Critical patent/MY207903A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—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
    • H01M4/13—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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2006/12—Surface area
    • 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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silicon Compounds (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The present invention provides a fine silicon powder and the like including fine silicon particles having a microscopically measured particle diameter of 1 m or more and an average circularity de termined in accordance with Formula (1) of 0.93 or more, in which an average particle diameter based on volume, which is measured by a laser diffraction scattering method, is in a range of 0.8 m or more and 8.0 m or less, an average particle diameter based on number, which is measured by the laser diffraction scattering method, is in a range of 0.100 m or more and 0.150 m or less, and a specific surface area, which is measured by a BET method, is in a range of 4.0 m/g or more and 10 m/g or less. Circularity = (4 p projected area of particle)//peripheral length of particle (1)
MYPI2022002938A 2019-12-10 2020-12-02 Fine silicon particles and production method thereof MY207903A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019223082A JP7396009B2 (en) 2019-12-10 2019-12-10 Silicon fine particles and their manufacturing method
PCT/JP2020/044776 WO2021117567A1 (en) 2019-12-10 2020-12-02 Fine silicon particles and production method thereof

Publications (1)

Publication Number Publication Date
MY207903A true MY207903A (en) 2025-03-27

Family

ID=76312192

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2022002938A MY207903A (en) 2019-12-10 2020-12-02 Fine silicon particles and production method thereof

Country Status (8)

Country Link
US (1) US11981574B2 (en)
EP (1) EP4074654A4 (en)
JP (1) JP7396009B2 (en)
KR (1) KR20220112798A (en)
CN (1) CN114829302B (en)
MY (1) MY207903A (en)
TW (1) TWI869505B (en)
WO (1) WO2021117567A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102909739B1 (en) 2019-12-17 2026-01-09 주식회사 엘지에너지솔루션 Negative electrode and secondary battery comprising the negative electrode
JP7455795B2 (en) * 2021-12-08 2024-03-26 住友化学株式会社 Positive electrode active materials for lithium secondary batteries, positive electrodes for lithium secondary batteries, and lithium secondary batteries
WO2023140192A1 (en) * 2022-01-21 2023-07-27 Tdk株式会社 Negative electrode active material for lithium ion secondary batteries, negative electrode active material layer for lithium ion secondary batteries, negative electrode for lithium ion secondary batteries, and lithium ion secondary battery
KR102628774B1 (en) * 2023-04-28 2024-01-23 주식회사 이녹스에코엠 Silicon powder for secondary battery anode material and manufacturing method thereof
CN119233945A (en) * 2023-04-28 2024-12-31 利诺士易康姆有限公司 Preparation method of silicon powder by utilizing waste silicon slurry, silicon powder for preparing secondary battery anode material and preparation system of silicon powder
KR20250058597A (en) * 2023-10-23 2025-04-30 (주)포스코퓨처엠 Anode active material for lithium secondary battery and lithium secondary battery comprising the same
KR20250059000A (en) * 2023-10-24 2025-05-02 (주)포스코퓨처엠 Anode active material for lithium secondary battery and lithium secondary battery comprising the same

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0616411A (en) 1992-06-26 1994-01-25 Mitsubishi Materials Corp Method for producing high-purity silicon powder
US6019667A (en) * 1998-05-26 2000-02-01 Dow Corning Corporation Method for grinding silicon metalloid
JP4762517B2 (en) * 2004-09-09 2011-08-31 株式会社オプトニクス精密 Method for producing toner for printer
JP5232717B2 (en) * 2009-04-27 2013-07-10 株式会社タムラ製作所 Powder magnetic core and manufacturing method thereof
GB0919830D0 (en) 2009-11-12 2009-12-30 Isis Innovation Preparation of silicon for fast generation of hydrogen through reaction with water
JP2011132105A (en) * 2009-12-25 2011-07-07 Mitsubishi Electric Corp Method for producing fine silicon particle, and apparatus for producing fine silicon particle
JP2012256543A (en) * 2011-06-09 2012-12-27 Mitsui Mining & Smelting Co Ltd Negative electrode for nonaqueous electrolyte secondary battery
JP2014528893A (en) * 2011-08-15 2014-10-30 ダウ コーニング コーポレーションＤｏｗ Ｃｏｒｎｉｎｇ Ｃｏｒｐｏｒａｔｉｏｎ Composition comprising silicon powder and method for controlling crystallinity of silicon powder
US9299978B2 (en) * 2012-05-02 2016-03-29 Showa Denko K.K. Negative electrode material for lithium battery
JP6030995B2 (en) * 2013-05-15 2016-11-24 信越化学工業株式会社 Anode material for non-aqueous electrolyte secondary battery, method for producing the same, and lithium ion secondary battery
KR101857981B1 (en) * 2013-08-05 2018-05-15 쇼와 덴코 가부시키가이샤 Negative electrode material for lithium ion batteries and use thereof
EP2873646B1 (en) 2013-09-02 2019-04-03 LG Chem, Ltd. Porous silicon based particles, method for preparing same and anode active material comprising same
GB2529410A (en) * 2014-08-18 2016-02-24 Nexeon Ltd Electroactive materials for metal-ion batteries
JP2016073919A (en) * 2014-10-06 2016-05-12 株式会社アドマテックス Granule manufacturing method
US11031587B2 (en) * 2015-07-02 2021-06-08 Showa Denko K. K. Negative electrode material for lithium-ion batteries including non-flaky artificial graphite including silicon-containing particles, artificial graphite particles and carbonaceous material
DE102015215415A1 (en) * 2015-08-12 2017-02-16 Wacker Chemie Ag Silicon particle-containing anode materials for lithium-ion batteries
CN105712350A (en) * 2016-01-26 2016-06-29 顺德职业技术学院 Preparation method of nanometer silicon material
JP7112179B2 (en) * 2016-10-19 2022-08-03 日鉄ケミカル＆マテリアル株式会社 Spherical siliceous powder for semiconductor encapsulant and method for producing the same
EP3788666A4 (en) * 2018-04-30 2022-01-19 Lyten, Inc. LITHIUM ION BATTERY AND BATTERY MATERIALS
JP6545351B1 (en) * 2018-11-29 2019-07-17 トピー工業株式会社 Powder and cosmetics

Also Published As

Publication number Publication date
CN114829302A (en) 2022-07-29
US20230025365A1 (en) 2023-01-26
EP4074654A1 (en) 2022-10-19
TW202136149A (en) 2021-10-01
US11981574B2 (en) 2024-05-14
CN114829302B (en) 2024-03-22
JP7396009B2 (en) 2023-12-12
WO2021117567A1 (en) 2021-06-17
JP2021091574A (en) 2021-06-17
KR20220112798A (en) 2022-08-11
EP4074654A4 (en) 2024-01-10
TWI869505B (en) 2025-01-11

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