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Patent Searching and Data


Title:
PROCESSING METHOD FOR BATTERY ALUMINUM FOIL
Document Type and Number:
WIPO Patent Application WO/2022/160409
Kind Code:
A1
Abstract:
A processing method for a battery aluminum foil. The rolling parameters of the passes of foil rolling and middle rolling and the rolling time interval of two successive passes are controlled, and the rolling parameters in the finishing rolling process are controlled, such that the rolling temperature of an aluminum roll in the finishing rolling process is less than or equal to 80ºC; or the aluminum roll output during middle rolling is cooled, and the rolling parameters in the finish rolling process are controlled, such that the rolling temperature of the aluminum roll in the finishing process is less than or equal to 80ºC; or the finished aluminum roll output during the finish rolling in the cutting procedure is rapidly cooled, such that the roll temperature of the finished aluminum roll is controlled to be less than or equal to 80ºC. The attenuation degrees of the tensile strength and the percentage elongation after fracture of the battery aluminum foil obtained by using the processing method over time are greatly reduced, thereby solving the problem that the mechanical properties of an existing battery aluminum foil are greatly reduced.

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Inventors:
CHEN, Dengbin (CN)
CAO, Cheng (CN)
ZHANG, Guohua (CN)
SONG, Pan (CN)
YANG, Honghui (CN)
LI, Hanwen (CN)
HOU, Zhiwen (CN)
XU, Zehui (CN)
Application Number:
PCT/CN2021/078940
Publication Date:
August 04, 2022
Filing Date:
March 03, 2021
Export Citation:
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Assignee:
YONGJIE NEW MATERIAL CO., LTD (CN)
ZHEJIANG YONGJIE ALUMINUM CO., LTD (CN)
International Classes:
B21B15/00; B21B1/40; B21B37/46; B21B37/56; B21B37/74; B21B45/02
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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