IN2014DN10284A - - Google Patents

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Publication number
IN2014DN10284A
IN2014DN10284A IN10284DEN2014A IN2014DN10284A IN 2014DN10284 A IN2014DN10284 A IN 2014DN10284A IN 10284DEN2014 A IN10284DEN2014 A IN 10284DEN2014A IN 2014DN10284 A IN2014DN10284 A IN 2014DN10284A
Authority
IN
India
Prior art keywords
based particles
silicon based
hollow
particles
silicon
Prior art date
Application number
Inventor
Gi Beom Han
Hong Kyu Park
Wang Mo Jung
Sung Joong Kang
Chi Ho Jo
Ji Hoon Ryu
Original Assignee
Lg Chemical Ltd
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 Lg Chemical Ltd filed Critical Lg Chemical Ltd
Publication of IN2014DN10284A publication Critical patent/IN2014DN10284A/en

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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
    • 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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • 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
    • 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
    • C01B33/021—Preparation
    • C01B33/023—Preparation by reduction of silica or free silica-containing material
    • 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
    • C01B33/021—Preparation
    • C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
    • 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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • 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
    • H01M4/36—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
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • 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
    • 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
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)

Abstract

The present invention relates to: hollow silicon based particles comprising silicon (Si) or silicon oxide (SiOx, 0<x<2) particles and a hollow core inside the particles wherein the size of the hollow core is 5 nm to 45 µm; and a novel preparation method therefor. It is possible to induce volume expansion in both the inward and outward directions of the silicon based particles of the present invention by forming a hollow inside the silicon based particles and thus it is possible to improve the capacity characteristics and lifetime characteristics of a lithium secondary battery by minimizing the outward volume expansion of the silicon based particles. In addition the novel method for preparing hollow silicon based particles according to the present invention enables mass production has a more rapid production speed compared with a process using a conventional chemical vapor deposition (CVD) or vapor liquid solid method (VLS) and is advantageous in process or safety.
IN10284DEN2014 2013-05-16 2014-05-15 IN2014DN10284A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130055885A KR101687055B1 (en) 2013-05-16 2013-05-16 Hollow silicon-based particles, preparation method of thereof, and anode active material for lithium secondary battery comprising the same
PCT/KR2014/004370 WO2014185730A1 (en) 2013-05-16 2014-05-15 Hollow silicon-based particles, preparation method therefor, and anode active material for lithium secondary battery, containing same

Publications (1)

Publication Number Publication Date
IN2014DN10284A true IN2014DN10284A (en) 2015-08-07

Family

ID=51898630

Family Applications (1)

Application Number Title Priority Date Filing Date
IN10284DEN2014 IN2014DN10284A (en) 2013-05-16 2014-05-15

Country Status (8)

Country Link
US (1) US9722242B2 (en)
EP (1) EP2835350B1 (en)
JP (1) JP6024073B2 (en)
KR (1) KR101687055B1 (en)
CN (1) CN104334496B (en)
IN (1) IN2014DN10284A (en)
TW (1) TWI546255B (en)
WO (1) WO2014185730A1 (en)

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US10637054B2 (en) * 2013-06-06 2020-04-28 Nec Corporation Positive electrode material for lithium ion secondary batteries, and method for producing same
EP3026015A1 (en) * 2014-11-28 2016-06-01 Evonik Degussa GmbH Process for the preparation of hollow silicon bodies
JP6237652B2 (en) 2015-01-09 2017-11-29 トヨタ自動車株式会社 Nonaqueous electrolyte secondary battery electrode and method for producing the same
CN105226260B (en) * 2015-10-19 2017-11-24 中南大学 A kind of preparation method of lithium ion battery silicon based anode material
CN106129411B (en) * 2016-09-19 2020-01-24 深圳市贝特瑞新能源材料股份有限公司 Hollow silicon-based composite material, preparation method and lithium ion battery containing composite material
KR102118551B1 (en) 2017-03-13 2020-06-03 주식회사 엘지화학 Method for manufacturing anode active material
KR102101007B1 (en) * 2017-03-16 2020-05-15 주식회사 엘지화학 Silicon-based anode active material, anode, lithium secondarty battery comprising the silicon-based anode material, and method for manufacturing the silicon-based anode active material
KR102201589B1 (en) * 2017-06-12 2021-01-11 주식회사 엘지화학 Preparation method of hollow silicon-based particles
US11283068B2 (en) 2019-12-20 2022-03-22 Enevate Corporation Electrochemically active materials and methods of preparing the same
CN108767220B (en) * 2018-05-24 2020-06-26 桑德新能源技术开发有限公司 Silicon-carbon composite material, preparation method thereof, battery cathode material and battery
CN108598449A (en) * 2018-06-28 2018-09-28 西南石油大学 High-performance hollow silicon-carbon graphene tri compound negative material and preparation method
CN109065877B (en) * 2018-10-09 2021-11-12 湖南雅城新材料有限公司 Preparation method of nanoscale iron phosphate
KR102366129B1 (en) * 2019-05-28 2022-02-22 인하대학교 산학협력단 Hollow Mesoporous Carbon nanoparticles encapsulating sulfur and Method for Manufacturing the same
CN113130858B (en) * 2019-12-31 2022-12-30 华为技术有限公司 Silicon-based negative electrode material, preparation method thereof, battery and terminal
EP3974493B1 (en) * 2020-01-30 2023-03-08 LG Chem, Ltd. Hollow particles, preparation method therefor, and heat-radiating fluid composition comprising same
CN114275823B (en) * 2021-12-15 2024-02-13 欣旺达惠州动力新能源有限公司 Hollow nanosphere composite material, preparation method thereof and lithium battery
KR20240058413A (en) * 2022-10-26 2024-05-03 국민대학교산학협력단 Anode for secondary battery and method for manufacturing thereof
KR102620101B1 (en) * 2023-05-26 2024-01-03 주식회사 에버인더스 A silicone-based anode active material for a electrochemical device having hollow structure, an electrochemical device comprising the same and a manufacturing mathod thereof
CN117476902B (en) * 2023-11-24 2024-04-02 湖北美赛尔科技有限公司 Silicon-based negative electrode material with ultralow temperature and high cycle stability and lithium ion battery thereof

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Also Published As

Publication number Publication date
TW201509800A (en) 2015-03-16
WO2014185730A1 (en) 2014-11-20
EP2835350B1 (en) 2018-02-21
TWI546255B (en) 2016-08-21
CN104334496B (en) 2018-09-25
CN104334496A (en) 2015-02-04
JP6024073B2 (en) 2016-11-09
EP2835350A1 (en) 2015-02-11
KR20140135512A (en) 2014-11-26
US9722242B2 (en) 2017-08-01
EP2835350A4 (en) 2015-07-01
JP2015530342A (en) 2015-10-15
US20140356726A1 (en) 2014-12-04
KR101687055B1 (en) 2016-12-15

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