WO2021157460A1 - 低酸素型ナノ珪素粒子含有スラリー、負極活物質、負極及びリチウムイオン二次電池 - Google Patents

低酸素型ナノ珪素粒子含有スラリー、負極活物質、負極及びリチウムイオン二次電池 Download PDF

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Publication number
WO2021157460A1
WO2021157460A1 PCT/JP2021/002970 JP2021002970W WO2021157460A1 WO 2021157460 A1 WO2021157460 A1 WO 2021157460A1 JP 2021002970 W JP2021002970 W JP 2021002970W WO 2021157460 A1 WO2021157460 A1 WO 2021157460A1
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WIPO (PCT)
Prior art keywords
silicon
group
nanosilicon
particles
containing slurry
Prior art date
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Ceased
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PCT/JP2021/002970
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English (en)
French (fr)
Japanese (ja)
Inventor
聡 片野
川瀬　賢一
培新 諸
大塚　俊一
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DIC Corp
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DIC Corp
Dainippon Ink and Chemicals Co Ltd
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Application filed by DIC Corp, Dainippon Ink and Chemicals Co Ltd filed Critical DIC Corp
Priority to CN202180007787.2A priority Critical patent/CN114902446A/zh
Priority to JP2021575755A priority patent/JPWO2021157460A1/ja
Priority to KR1020227024863A priority patent/KR20220139862A/ko
Priority to EP21751372.0A priority patent/EP4102596A4/en
Publication of WO2021157460A1 publication Critical patent/WO2021157460A1/ja
Priority to US17/872,295 priority patent/US20220384807A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M4/139—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
    • H01M4/36—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • 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
    • H01M4/13—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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements 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
    • H01M4/38—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
    • 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
    • H01M4/62—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
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
    • 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

Definitions

  • the above-mentioned inert atmosphere is not particularly limited, but it is sufficient as long as it does not contain an oxidizing gas.
  • nitrogen, argon and the like can be used, and a mixed gas of nitrogen / hydrogen having a reducing atmosphere, pure hydrogen, carbon monoxide and the like can also be used.
  • Acrylic copolymers ; high molecular compounds such as polyfluorinated vinylidene, polyethylene oxide, polyepicrohydrin, polyphosphazene, polyacrylonitrile, polyimide, polyamideimide, carboxymethyl cellulose (CMC).
  • organic binder an aqueous binder having high chemical stability can also be used.
  • Example 1 Preparation of Silicon Particle-Containing Slurry
  • a slurry was prepared in the same manner as in Example 1 except that the additive 4 was used instead of the additive 1, and contained silicon particles having an average particle size (d50) of 57.9 nm and a viscosity of 13.4 mPa.
  • a slurry having a non-volatile content of 20.2% at 110 ° C. was obtained.
  • the 29 Si-NMR peak area ratio [(ii) / (i) ratio] of the silicon particles in the slurry was 1.20.
  • Table 1 shows the physical characteristics of the slurry
  • FIG. 7 shows a transmission electron microscope (TEM) image of silicon particles.
  • TEM transmission electron microscope

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)
PCT/JP2021/002970 2020-02-07 2021-01-28 低酸素型ナノ珪素粒子含有スラリー、負極活物質、負極及びリチウムイオン二次電池 Ceased WO2021157460A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202180007787.2A CN114902446A (zh) 2020-02-07 2021-01-28 含低氧型纳米硅粒子的浆料、负极活性物质、负极及锂离子二次电池
JP2021575755A JPWO2021157460A1 (https=) 2020-02-07 2021-01-28
KR1020227024863A KR20220139862A (ko) 2020-02-07 2021-01-28 저산소형 나노 규소 입자 함유 슬러리, 음극 활물질, 음극 및 리튬 이온 이차 전지
EP21751372.0A EP4102596A4 (en) 2020-02-07 2021-01-28 Low oxygen-type silicon nanoparticle-containing slurry, negative electrode active material, negative electrode and lithium ion secondary battery
US17/872,295 US20220384807A1 (en) 2020-02-07 2022-07-25 Low oxygen-type silicon nanoparticle-containing slurry, negative electrode active material, negative electrode and lithium-ion secondary battery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020019698 2020-02-07
JP2020-019698 2020-02-07

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/872,295 Continuation US20220384807A1 (en) 2020-02-07 2022-07-25 Low oxygen-type silicon nanoparticle-containing slurry, negative electrode active material, negative electrode and lithium-ion secondary battery

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WO2021157460A1 true WO2021157460A1 (ja) 2021-08-12

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PCT/JP2021/002970 Ceased WO2021157460A1 (ja) 2020-02-07 2021-01-28 低酸素型ナノ珪素粒子含有スラリー、負極活物質、負極及びリチウムイオン二次電池

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US (1) US20220384807A1 (https=)
EP (1) EP4102596A4 (https=)
JP (1) JPWO2021157460A1 (https=)
KR (1) KR20220139862A (https=)
CN (1) CN114902446A (https=)
WO (1) WO2021157460A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114212766A (zh) * 2021-11-04 2022-03-22 湖南金硅科技有限公司 一种补锂改性硅材料及其制备方法和应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005310759A (ja) 2004-03-26 2005-11-04 Shin Etsu Chem Co Ltd 珪素複合体粒子及びその製造方法並びに非水電解質二次電池用負極材
JP2008277232A (ja) * 2007-04-05 2008-11-13 Hitachi Chem Co Ltd リチウム二次電池用負極材料、その製造方法及びそれを用いたリチウム二次電池用負極、リチウム二次電池
WO2013175715A1 (ja) * 2012-05-23 2013-11-28 株式会社大阪チタニウムテクノロジーズ リチウムイオン二次電池負極材用粉末、これを用いたリチウムイオン二次電池負極およびリチウムイオン二次電池
WO2015025443A1 (ja) * 2013-08-21 2015-02-26 信越化学工業株式会社 負極活物質、負極活物質材料、負極電極、リチウムイオン二次電池、負極活物質の製造方法、並びに、リチウムイオン二次電池の製造方法
JP2016139579A (ja) 2015-01-29 2016-08-04 東レ株式会社 リチウムイオン二次電池用負極材料、リチウムイオン二次電池負極用ペースト、リチウムイオン二次電池用負極およびリチウムイオン二次電池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1170773C (zh) * 1998-11-20 2004-10-13 Fmc公司 含多种掺杂剂的含锂、锰和氧的化合物及其制备方法
KR100913178B1 (ko) * 2007-11-22 2009-08-19 삼성에스디아이 주식회사 리튬 이차 전지용 활물질 및 이를 포함하는 리튬 이차 전지
US20110171371A1 (en) * 2010-01-13 2011-07-14 CNano Technology Limited Enhanced Electrode Composition for Li ion Battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005310759A (ja) 2004-03-26 2005-11-04 Shin Etsu Chem Co Ltd 珪素複合体粒子及びその製造方法並びに非水電解質二次電池用負極材
JP2008277232A (ja) * 2007-04-05 2008-11-13 Hitachi Chem Co Ltd リチウム二次電池用負極材料、その製造方法及びそれを用いたリチウム二次電池用負極、リチウム二次電池
WO2013175715A1 (ja) * 2012-05-23 2013-11-28 株式会社大阪チタニウムテクノロジーズ リチウムイオン二次電池負極材用粉末、これを用いたリチウムイオン二次電池負極およびリチウムイオン二次電池
WO2015025443A1 (ja) * 2013-08-21 2015-02-26 信越化学工業株式会社 負極活物質、負極活物質材料、負極電極、リチウムイオン二次電池、負極活物質の製造方法、並びに、リチウムイオン二次電池の製造方法
JP2016139579A (ja) 2015-01-29 2016-08-04 東レ株式会社 リチウムイオン二次電池用負極材料、リチウムイオン二次電池負極用ペースト、リチウムイオン二次電池用負極およびリチウムイオン二次電池

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4102596A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114212766A (zh) * 2021-11-04 2022-03-22 湖南金硅科技有限公司 一种补锂改性硅材料及其制备方法和应用
CN114212766B (zh) * 2021-11-04 2024-02-13 湖南金硅科技有限公司 一种补锂改性硅材料及其制备方法和应用

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Publication number Publication date
EP4102596A1 (en) 2022-12-14
US20220384807A1 (en) 2022-12-01
CN114902446A (zh) 2022-08-12
EP4102596A4 (en) 2024-11-13
JPWO2021157460A1 (https=) 2021-08-12
KR20220139862A (ko) 2022-10-17

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