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1. WO2022163252 - METHOD FOR RECYCLING LITHIUM-ION SECONDARY BATTERY

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Publication Number WO/2022/163252
Publication Date 04.08.2022
International Application No. PCT/JP2021/048043
International Filing Date 23.12.2021
IPC
H01M 4/131 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/485 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
485of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/525 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/052 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
H01M 10/0566 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564the electrolyte being constituted of organic materials only
0566Liquid materials
H01M 10/058 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
CPC
H01M 10/052
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
H01M 10/0566
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564the electrolyte being constituted of organic materials only
0566Liquid materials
H01M 10/058
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
H01M 10/42
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/54
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
54Reclaiming serviceable parts of waste accumulators
H01M 4/131
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
Applicants
  • 日本碍子株式会社 NGK INSULATORS, LTD. [JP]/[JP]
Inventors
  • 田中　裕己 TANAKA Yuki
  • 小林　伸行 KOBAYASHI Nobuyuki
Agents
  • 高村　雅晴 TAKAMURA Masaharu
  • 長谷川　悠 HASEGAWA Yu
  • 河内　亮 KOUCHI Ryo
Priority Data
2021-01152227.01.2021JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) METHOD FOR RECYCLING LITHIUM-ION SECONDARY BATTERY
(FR) PROCÉDÉ DE RECYCLAGE DE BATTERIE SECONDAIRE AU LITHIUM-ION
(JA) リチウムイオン二次電池の再利用方法
front page image
Abstract
(EN) Provided is a method for recycling a lithium-ion secondary battery, the method making it possible to reassemble a lithium-ion secondary battery through a simple procedure and at low cost, the lithium-ion secondary battery being such that the performance thereof is adequately recovered, using a used lithium-ion secondary battery. This method includes: a step for preparing a used lithium-ion secondary battery provided with a battery element that includes a ceramic positive electrode layer, a ceramic separator, and a ceramic negative electrode layer, the lithium-ion secondary battery also being provided with an electrolytic solution and a battery container that accommodates the battery element and the electrolytic solution; a step for retrieving the battery element from the lithium-ion secondary battery; a step for replacing the electrolytic solution within the lithium-ion secondary battery with a fresh electrolytic solution; a step for implementing an electrode restoration process on the battery element, the electrode restoration process including a cleaning process and/or a heating process; and a step for returning the battery element that has been subjected to the electrode restoration process into the battery container and assembling the lithium-ion secondary battery.
(FR) L'invention concerne un procédé de recyclage d'une batterie secondaire au lithium-ion, le procédé permettant de réassembler une batterie secondaire au lithium-ion par une procédure simple et à faible coût, la batterie secondaire au lithium-ion étant telle que ses performances sont récupérées de manière adéquate, à l'aide d'une batterie secondaire au lithium-ion utilisée. Ce procédé comprend : une étape de préparation d'une batterie secondaire au lithium-ion utilisée comprenant un élément de batterie qui comprend une couche d'électrode positive en céramique, un séparateur céramique et une couche d'électrode négative en céramique, la batterie secondaire au lithium-ion comportant également une solution électrolytique et un contenant de batterie qui loge l'élément de batterie et la solution électrolytique ; une étape de récupération de l'élément de batterie à partir de la batterie secondaire au lithium-ion ; une étape de remplacement de la solution électrolytique à l'intérieur de la batterie secondaire au lithium-ion avec une solution électrolytique fraîche ; une étape de mise en œuvre d'un processus de restauration d'électrode sur l'élément de batterie, le processus de restauration d'électrode comprenant un processus de nettoyage et/ou un processus de chauffage ; et une étape consistant à renvoyer l'élément de batterie qui a été soumis au processus de restauration d'électrode dans le récipient de batterie et à assembler la batterie secondaire au lithium-ion.
(JA) 使用済のリチウムイオン二次電池を用いて、十分に性能が回復したリチウムイオン二次電池を簡便な手順及び低コストで再組立可能とする、リチウムイオン二次電池の再利用方法が提供される。この方法は、セラミック正極層、セラミックセパレータ及びセラミック負極層を含む電池要素と、電解液と、電池要素及び電解液を収容する電池容器とを備えた、使用済みのリチウムイオン二次電池を用意する工程と、リチウムイオン二次電池から電池要素を取り出す工程と、リチウムイオン二次電池内の電解液を新鮮な電解液と入れ替える工程と、電池要素に、洗浄及び／又は熱処理を含む電極復活処理を施す工程と、電極復活処理が施された電池要素を電池容器内に戻して、リチウムイオン二次電池を組み立てる工程と、を含む。
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