EP3948991A4 - Composition for anode, and protective film, anode, and device comprising same - Google Patents

Composition for anode, and protective film, anode, and device comprising same Download PDF

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Publication number
EP3948991A4
EP3948991A4 EP20894239.1A EP20894239A EP3948991A4 EP 3948991 A4 EP3948991 A4 EP 3948991A4 EP 20894239 A EP20894239 A EP 20894239A EP 3948991 A4 EP3948991 A4 EP 3948991A4
Authority
EP
European Patent Office
Prior art keywords
anode
composition
same
protective film
protective
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20894239.1A
Other languages
German (de)
French (fr)
Other versions
EP3948991A1 (en
Inventor
Maohua Chen
Daguang Li
Yuansen Xie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology 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 Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Publication of EP3948991A1 publication Critical patent/EP3948991A1/en
Publication of EP3948991A4 publication Critical patent/EP3948991A4/en
Pending legal-status Critical Current

Links

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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • 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
    • H01M4/36—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
    • 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
    • H01M4/381—Alkaline or alkaline earth metals elements
    • H01M4/382—Lithium
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
EP20894239.1A 2019-11-28 2020-06-29 Composition for anode, and protective film, anode, and device comprising same Pending EP3948991A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911193150.8A CN110911685B (en) 2019-11-28 2019-11-28 Composition for negative electrode, and protective film, negative electrode and device comprising same
PCT/CN2020/098881 WO2021103523A1 (en) 2019-11-28 2020-06-29 Composition for anode, and protective film, anode, and device comprising same

Publications (2)

Publication Number Publication Date
EP3948991A1 EP3948991A1 (en) 2022-02-09
EP3948991A4 true EP3948991A4 (en) 2022-05-11

Family

ID=69820275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20894239.1A Pending EP3948991A4 (en) 2019-11-28 2020-06-29 Composition for anode, and protective film, anode, and device comprising same

Country Status (4)

Country Link
EP (1) EP3948991A4 (en)
JP (1) JP7177921B2 (en)
CN (1) CN110911685B (en)
WO (1) WO2021103523A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110911685B (en) * 2019-11-28 2021-09-14 宁德新能源科技有限公司 Composition for negative electrode, and protective film, negative electrode and device comprising same
WO2021189285A1 (en) * 2020-03-25 2021-09-30 宁德新能源科技有限公司 Electrode assembly, electrochemical device and electronic device
CN111883759A (en) * 2020-07-29 2020-11-03 黄杰 Nano-silicon composite material with core-shell structure and preparation method thereof
TW202218218A (en) * 2020-08-21 2022-05-01 美商應用材料股份有限公司 Anode electrode structure, lithium-ion battery, method of making an anode electrode structure, method of making a lithium-ion battery, and substrate processing system for producing an anode electrode structure
KR102568682B1 (en) * 2023-02-21 2023-08-18 단국대학교 천안캠퍼스 산학협력단 A lithium metal negative electrode including a surface protection composite layer and a method for manufacturing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109461911A (en) * 2018-10-22 2019-03-12 江西省科学院科技战略研究所(江西省科学院科技信息中心) A kind of cladded type Li-Si alloy and its preparation method and application
CN109638360A (en) * 2018-11-09 2019-04-16 哈尔滨工业大学无锡新材料研究院 A kind of preparation method of all solid state lithium-sulfur cell and prepare mold

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US6402795B1 (en) * 1998-02-18 2002-06-11 Polyplus Battery Company, Inc. Plating metal negative electrodes under protective coatings
US7282295B2 (en) * 2004-02-06 2007-10-16 Polyplus Battery Company Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture
CN101222041B (en) 2007-12-20 2010-12-15 复旦大学 Nano combination electrode material Li3N/Si used for lithium ion battery and its preparation method
CN103474632B (en) * 2012-06-07 2016-08-03 中国科学院物理研究所 A kind of negative material for lithium battery and its preparation method and application
CN103824999B (en) 2012-11-19 2016-04-13 比亚迪股份有限公司 A kind of cathode of lithium battery and preparation method thereof and lithium battery
DE102013222784A1 (en) * 2013-11-08 2015-05-13 Robert Bosch Gmbh Electrochemical cell and process for its preparation
CN104332608B (en) * 2014-08-19 2017-06-06 新乡市远东电子科技股份有限公司 A kind of lithium ion battery silicon composite cathode material and preparation method thereof
CN107665974A (en) * 2016-07-27 2018-02-06 中国科学院大连化学物理研究所 A kind of lithium-sulfur cell negative pole and its preparation and application
CN106159200B (en) * 2016-07-29 2019-01-11 中国科学院青岛生物能源与过程研究所 A kind of lithium anode and its preparation and application with protective coating
CN106803580A (en) * 2017-01-19 2017-06-06 浙江大学 A kind of negative material for lithium metal battery
CN108063222B (en) * 2017-08-31 2024-04-02 广东猛狮新能源科技股份有限公司 Lithium ion battery negative electrode material, preparation method thereof and lithium ion battery
CN108155363B (en) * 2017-12-26 2020-11-03 深圳先进技术研究院 Application of polymer coating in aluminum cathode, preparation method of aluminum cathode and secondary battery
CN108511708A (en) * 2018-03-14 2018-09-07 清华大学 A kind of solid composite metal cathode of lithium
CN108461715B (en) * 2018-03-16 2021-10-26 山东大学 Preparation method of solid-state battery lithium cathode
CN109638235B (en) * 2018-11-09 2021-05-18 清华大学 Method and equipment for protecting surface of metal lithium, negative pole piece and lithium battery
CN109494399A (en) 2018-11-23 2019-03-19 浙江众泰汽车制造有限公司 A kind of silicon/solid electrolyte nanocomposite and its preparation method and application
CN110048170A (en) * 2019-05-21 2019-07-23 哈尔滨工业大学无锡新材料研究院 A kind of preparation method of all solid lithium sulphur button cell
CN110911685B (en) * 2019-11-28 2021-09-14 宁德新能源科技有限公司 Composition for negative electrode, and protective film, negative electrode and device comprising same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109461911A (en) * 2018-10-22 2019-03-12 江西省科学院科技战略研究所(江西省科学院科技信息中心) A kind of cladded type Li-Si alloy and its preparation method and application
CN109638360A (en) * 2018-11-09 2019-04-16 哈尔滨工业大学无锡新材料研究院 A kind of preparation method of all solid state lithium-sulfur cell and prepare mold

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021103523A1 *

Also Published As

Publication number Publication date
CN110911685B (en) 2021-09-14
CN110911685A (en) 2020-03-24
JP7177921B2 (en) 2022-11-24
EP3948991A1 (en) 2022-02-09
JP2022515951A (en) 2022-02-24
WO2021103523A1 (en) 2021-06-03

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