LU501874B1 - Solvate ionic liquid electrolyte (sile) with adjustable structure and preparation method thereof, and lithium-sulfur battery - Google Patents

Solvate ionic liquid electrolyte (sile) with adjustable structure and preparation method thereof, and lithium-sulfur battery Download PDF

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Publication number
LU501874B1
LU501874B1 LU501874A LU501874A LU501874B1 LU 501874 B1 LU501874 B1 LU 501874B1 LU 501874 A LU501874 A LU 501874A LU 501874 A LU501874 A LU 501874A LU 501874 B1 LU501874 B1 LU 501874B1
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Luxembourg
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sile
lithium
adjustable structure
sulfur
solvent
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LU501874A
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English (en)
Inventor
Song Xu
Xiaoqin Guo
Fanguang Zeng
Tao Zhang
Meng Wei
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Univ Zhengzhou Aeronautics
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0567Liquid materials characterised by the additives
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0568Liquid materials characterised by the solutes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0569Liquid materials characterised by the solvents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0025Organic electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0025Organic electrolyte
    • H01M2300/0028Organic electrolyte characterised by the solvent
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)

Claims (10)

PATENTANSPRUCHE LU501874
1. Solvationenflüssigkeitselektrolyt (SILE) mit anpassbarer Struktur, der aus einem Lôsungsmittel und den folgenden Ausgangsmaterialien in folgenden Gewichtsteilen hergestellt ist: 10 bis 35 Teile Compoundierungsmittel und 30 bis 65 Teile Lithiumsalz, wobei das Compoundierungsmittel mindestens eins ausgewählt aus der Gruppe bestehend aus Polyethylenglycoldimethylether, Kronenether und Methoxypolyethylenglycol (MPEG) 1st; und das Lithiumsalz mindestens eins ausgewählt aus der Gruppe bestehend aus LiTFSI, LiTF und LiBr ist.
2. SILE mit anpassbarer Struktur nach Anspruch 1, wobei das Lösungsmittel mindestens eins ausgewählt aus der Gruppe bestehend aus N,N-Dimethylformamid (DMF), Dimethylsulfoxid (DMSO) und N,N-Dimethylacetamid (DMA) ist.
3. SILE mit anpassbarer Struktur nach Anspruch 1 oder 2, wobei eine Konzentrationsmenge des Lithiumsalzes in dem Elektrolyten 0,4 mol/l bis 1,6 mol/l beträgt.
4. SILE mit anpassbarer Struktur nach Anspruch 1 oder 2, wobei ein Molverhältnis des Compoundierungsmittels zu Lithiumionen in dem Lithtumsalz (0,3-1,5):1 beträgt.
5. SILE mit anpassbarer Struktur nach Anspruch 1 oder 2, wobei der Polyethylenglycoldimethylether mindestens eins ausgewählt aus der Gruppe bestehend aus Diethylenglycoldimethylether, Triethylenglycoldimethylether und Tetraethylenglycoldimethylether ist.
6. Verfahren zum Herstellen des SILE mit anpassbarer Struktur nach Anspruch 1, folgende Schritte umfassend: 1) gründliches Mischen des Compoundierungsmittels und des Lithiumsalzes zum Erlangen eines SIL der Struktur [Li(Gn)][X]; und 2) Zusetzen des Lôsungsmittels zu dem in Schritt 1) erlangten SIL und gründliches Mischen, um den SILE mit anpassbarer Struktur zu erlangen.
7. Verfahren zum Herstellen des SILE mit anpassbarer Struktur nach Anspruch 6, wobei in Schritt 1) das Compoundierungsmittel und das Lithiumsalz durch Rühren bei 35 °C bis 45 °C für min bis 10 min gründlich gemischt werden.
8. Verfahren zum Herstellen des SILE mit anpassbarer Struktur nach Anspruch 6, wobei in Schritt 2) nach dem Zusetzen des Lôsungsmittels bei 0 °C bis 15 °C für 10 min bis 15 min Rühren durchgeführt wird.
9. Positive Elektrode einer Lithium-Schwefel-Batterie, hergestellt aus einem Ionenflüssigkeitselektrolyten und einem Schwefel-Kohlenstoff-Verbundmaterial in einem Masseverhältnis von 100:(10-80), wobei der Ionenflüssigkeitselektrolyt der SILE mit anpassbarer Struktur nach Anspruch 1 ist. LUS01874
10. Lithium-Schwefel-Batterie, umfassend eine positive Elektrode und eine negative Elektrode, wobei die positive Elektrode die positive Elektrode der Lithium-Schwefel-Batterie nach Anspruch 9 ist.
LU501874A 2021-04-21 2022-04-20 Solvate ionic liquid electrolyte (sile) with adjustable structure and preparation method thereof, and lithium-sulfur battery LU501874B1 (en)

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CN202110427230.6A CN113131001B (zh) 2021-04-21 2021-04-21 一种结构可调的溶剂化离子液体电解液及其制备方法、锂硫电池

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120622415A (zh) * 2025-08-13 2025-09-12 浙江工业大学 一种液相法合成电池级高纯度硫化锂的方法

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Publication number Priority date Publication date Assignee Title
JP2002075446A (ja) * 2000-08-02 2002-03-15 Samsung Sdi Co Ltd リチウム−硫黄電池
JP2003123840A (ja) * 2001-10-15 2003-04-25 Samsung Sdi Co Ltd リチウム−硫黄電池用電解液及びこれを含むリチウム−硫黄電池
WO2017098918A1 (ja) * 2015-12-09 2017-06-15 国立大学法人 横浜国立大学 二次電池
CN106252726B (zh) * 2016-10-11 2019-05-10 中国人民解放军国防科学技术大学 一种含有硫化物增溶剂的锂硫电池用电解液
CN108539182B (zh) * 2018-05-14 2020-07-17 哈尔滨工业大学 一种复合硫正极材料的制备方法及其在全固态锂硫电池中的应用
CN109004276B (zh) * 2018-07-19 2021-01-29 北京理工大学 一种锂负极保护膜、制备方法及锂金属二次电池
WO2020175555A1 (ja) * 2019-02-27 2020-09-03 国立大学法人 横浜国立大学 リチウム硫黄電池、および、リチウム硫黄電池の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120622415A (zh) * 2025-08-13 2025-09-12 浙江工业大学 一种液相法合成电池级高纯度硫化锂的方法

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