WO2023017011A3 - Verfahren zur herstellung von teilreagiertem silizium zur kontrolle der lithium-einlagerungsfähigkeit zur verwendung in lithium-batterien - Google Patents

Verfahren zur herstellung von teilreagiertem silizium zur kontrolle der lithium-einlagerungsfähigkeit zur verwendung in lithium-batterien Download PDF

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Publication number
WO2023017011A3
WO2023017011A3 PCT/EP2022/072296 EP2022072296W WO2023017011A3 WO 2023017011 A3 WO2023017011 A3 WO 2023017011A3 EP 2022072296 W EP2022072296 W EP 2022072296W WO 2023017011 A3 WO2023017011 A3 WO 2023017011A3
Authority
WO
WIPO (PCT)
Prior art keywords
lithium
silicon
partially reacted
control
diffusion barrier
Prior art date
Application number
PCT/EP2022/072296
Other languages
English (en)
French (fr)
Other versions
WO2023017011A2 (de
Inventor
Udo Reichmann
Marcel Neubert
Andreas KRAUSE-BADER
Original Assignee
Norcsi Gmbh
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 Norcsi Gmbh filed Critical Norcsi Gmbh
Priority to CN202280055590.0A priority Critical patent/CN117813702A/zh
Priority to EP22765030.6A priority patent/EP4385081A2/de
Priority to KR1020247007427A priority patent/KR20240042030A/ko
Publication of WO2023017011A2 publication Critical patent/WO2023017011A2/de
Publication of WO2023017011A3 publication Critical patent/WO2023017011A3/de

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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
    • H01M4/13—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
    • H01M4/13—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
    • H01M4/38—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
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung von teilreagiertem Silizium zur Kontrolle der Lithium- Einlagerungsfähigkeit zur Verwendung in Lithium-Batterien, bei dem auf einem Substrat eine erste Siliziumschicht abgeschieden wird, die anschließend einer Kurzzeittemperung unterzogen wird, sowie eine damit hergestellte Anode. Die Aufgabe der vorliegenden Erfindung ein Verfahren anzugeben, das eine Kontrolle der Ionen-Einlagerungsfähigkeit in funktionale Schichten für die Batterieherstellung zulässt, wird dadurch gelöst, dass eine Lage aus Silizium, Metall und/oder ein weiteres Material als Diffusionsbarriere aufgebracht wird, die einer anschließenden Kurzzeittemperung unterzogen wird und teilreagiertes Silizium gebildet wird. (Die Diffusionsbarriere ist durch ihren Aufbau durchlässig für Lithium).
PCT/EP2022/072296 2021-08-09 2022-08-09 Verfahren zur herstellung von teilreagiertem silizium zur kontrolle der lithium-einlagerungsfähigkeit zur verwendung in lithium-batterien WO2023017011A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202280055590.0A CN117813702A (zh) 2021-08-09 2022-08-09 用于制造在锂电池中使用的用于控制嵌锂容量的部分反应的硅的方法
EP22765030.6A EP4385081A2 (de) 2021-08-09 2022-08-09 Verfahren zur herstellung von teilreagiertem silizium zur kontrolle der lithium-einlagerungsfähigkeit zur verwendung in lithium-batterien
KR1020247007427A KR20240042030A (ko) 2021-08-09 2022-08-09 리튬 배터리에서 사용하기 위한 리튬 삽입 용량을 제어하기 위한 부분적으로 반응된 실리콘을 제조하는 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021120635.9 2021-08-09
DE102021120635 2021-08-09

Publications (2)

Publication Number Publication Date
WO2023017011A2 WO2023017011A2 (de) 2023-02-16
WO2023017011A3 true WO2023017011A3 (de) 2023-04-06

Family

ID=83193628

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/072296 WO2023017011A2 (de) 2021-08-09 2022-08-09 Verfahren zur herstellung von teilreagiertem silizium zur kontrolle der lithium-einlagerungsfähigkeit zur verwendung in lithium-batterien

Country Status (4)

Country Link
EP (1) EP4385081A2 (de)
KR (1) KR20240042030A (de)
CN (1) CN117813702A (de)
WO (1) WO2023017011A2 (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016001949B4 (de) 2016-02-15 2020-10-15 Helmholtz-Zentrum Dresden-Rossendorf E. V. Verfahren zur Herstellung von auf Silizium basierenden Anoden für Sekundärbatterien

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANTONIA REYES JIMÉNEZ ET AL: "A Step toward High-Energy Silicon-Based Thin Film Lithium Ion Batteries", ACS NANO, vol. 11, no. 5, 24 April 2017 (2017-04-24), US, pages 4731 - 4744, XP055583385, ISSN: 1936-0851, DOI: 10.1021/acsnano.7b00922 *
CHANG-MOOK HWANG ET AL: "Electrochemical characterizations of multi-layer and composite silicongermanium anodes for Li-ion batteries using magnetron sputtering", JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 196, no. 16, 20 October 2010 (2010-10-20), pages 6772 - 6780, XP028226103, ISSN: 0378-7753, [retrieved on 20101102], DOI: 10.1016/J.JPOWSOUR.2010.10.061 *

Also Published As

Publication number Publication date
CN117813702A (zh) 2024-04-02
EP4385081A2 (de) 2024-06-19
WO2023017011A2 (de) 2023-02-16
KR20240042030A (ko) 2024-04-01

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