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Patent Searching and Data


Title:
ELECTROLYTIC COPPER FOIL, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2020/156158
Kind Code:
A1
Abstract:
The present invention provides an electrolytic copper foil, an electrode, and a lithium ion secondary battery having same. The electrolytic copper foil comprises a roller surface and a deposition surface located on opposite sides; the void volume (Vv) of at least one surface in the roller surface and the deposition surface is 0.17 cubic micrometer/square micrometer to 1.17 cubic micrometer/square micrometer; the absolute value of a difference between the maximum height of the profile (Sz) of the roller surface and the Sz of the deposition surface is less than 0.60 micrometers. In addition, also provided are an electrode having the electrolytic copper foil and a lithium ion secondary battery having the electrolytic copper foil.

Inventors:
HUANG HUEI-FANG (CN)
WU CHIH-CHUNG (CN)
LAI YAO-SHENG (CN)
CHOU JUI-CHANG (CN)
Application Number:
PCT/CN2020/072157
Publication Date:
August 06, 2020
Filing Date:
January 15, 2020
Export Citation:
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Assignee:
CHANG CHUN PETROCHEMICAL CO LTD (CN)
International Classes:
C25B11/03; C25C1/12; H01M4/64
Foreign References:
CN103911633A2014-07-09
CN108345195A2018-07-31
CN108306022A2018-07-20
JP2001192879A2001-07-17
JP2000119892A2000-04-25
Other References:
See also references of EP 3808876A4
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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