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1. WO2020134749 - ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, BATTERY MODULE, BATTERY AND DEVICE

Publication Number WO/2020/134749
Publication Date 02.07.2020
International Application No. PCT/CN2019/119967
International Filing Date 21.11.2019
IPC
H01M 4/62 2006.1
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/66 2006.1
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
64Carriers or collectors
66Selection of materials
H01M 4/13 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
H01M 10/0525 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
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
CPC
H01M 10/0525
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
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 2004/021
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
021Physical characteristics, e.g. porosity, surface area
H01M 4/13
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
H01M 4/622
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
621Binders
622being polymers
H01M 4/624
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
624Electric conductive fillers
H01M 4/667
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
64Carriers or collectors
66Selection of materials
665Composites
667in the form of layers, e.g. coatings
Applicants
  • 宁德时代新能源科技股份有限公司 CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED [CN]/[CN]
Inventors
  • 李伟 LI, Wei
  • 薛庆瑞 XUE, Qingrui
  • 李静 LI, Jing
  • 张子格 ZHANG, Zige
  • 杨献伟 YANG, Xianwei
  • 张扬 ZHANG, Yang
Agents
  • 北京智晨知识产权代理有限公司 BEIJING ZHICHEN INTELLECTUAL PROPERTY AGENCY LTD.
Priority Data
201811638368.529.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, BATTERY MODULE, BATTERY AND DEVICE
(FR) PLAQUE D'ÉLECTRODE, APPAREIL ÉLECTROCHIMIQUE, MODULE DE BATTERIE, BATTERIE ET DISPOSITIF
(ZH) 电极极片、电化学装置、电池模块、电池包及设备
Abstract
(EN)
The present application relates to an electrode plate, an electrochemical apparatus, a battery module, a battery and a device. The electrode plate comprises a current collector and an electrode active material layer disposed on at least one surface of the current collector. The current collector comprises a support layer and a conductive layer disposed on at least one surface of the support layer, and the thickness D2 of a single surface of the conductive layer satisfies: 30 nm≤D2≤3 μm. The electrode plate of the present application has good processability, and an electrochemical apparatus containing said electrode plate has high energy density and good electrical performance, as well as long term reliability.
(FR)
La présente invention concerne une plaque d'électrode, un appareil électrochimique, un module de batterie, une batterie et un dispositif. La plaque d'électrode comprend un collecteur de courant et une couche de matériau actif d'électrode disposée sur au moins une surface du collecteur de courant. Le collecteur de courant comprend une couche de support et une couche conductrice disposée sur au moins une surface de la couche de support, et l'épaisseur D2 d'une surface unique de la couche conductrice satisfait : 30 nm ≤ D2 ≤ 3 μm. La plaque d'électrode de la présente invention présente une bonne aptitude au traitement, et un appareil électrochimique contenant ladite plaque d'électrode présente une densité d'énergie élevée et une bonne performance électrique, ainsi qu'une fiabilité à long terme.
(ZH)
本申请涉及一种电极极片、电化学装置、电池模块、电池包及设备。所述电极极片包括集流体和设置于所述集流体至少一个表面上的电极活性材料层。其中,所述集流体包括支撑层和设置于支撑层至少一个表面上的导电层,所述导电层的单面厚度D2满足:30nm≤D2≤3μm。本申请的电极极片具有良好的可加工性,包含该电极极片的电化学装置具有高的能量密度和良好的电性能以及长期可靠性。
Also published as
Latest bibliographic data on file with the International Bureau