Title:
CONDUCTIVE THIN FILM, PREPARATION METHOD FOR CONDUCTIVE THIN FILM AND LITHIUM ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/147961
Kind Code:
A1
Abstract:
The present invention relates to the technical field of conductive thin film preparation. Disclosed are a conductive thin film, a preparation method for the conductive thin film, and a lithium ion battery. The preparation method comprises the following steps: S10, selecting a support layer, and then plating first metal layers on upper and lower surfaces of the support layer respectively; S20, compounding a first thin film on the surface of one of the first metal layers, and compounding a second thin film on the surface of the other first metal layer; S30, compounding third thin films on the surfaces of the first thin film and the second thin film by using a thin film compounding technique, and etching a plurality of through circular holes on the third thin films and the second thin film; S40, plating second metal layers on the outer surfaces of the third thin films and inner walls of the circular holes; S50, preparing a composite thin film; and S60, plating third metal layers on upper and lower surfaces of the composite thin film by using a vacuum coating technique, and rolling to then obtain the conductive thin film. The beneficial effects of the present invention are that the battery may be prevented from overheating and burning, and the conductivity and tensile strength of the conductive thin film are improved.
Inventors:
ZANG SHIWEI (CN)
LIU WENQING (CN)
LIU WENQING (CN)
Application Number:
PCT/CN2021/099434
Publication Date:
July 14, 2022
Filing Date:
June 10, 2021
Export Citation:
Assignee:
CHONGQING JIMAT NEW MATERIAL TECH CO LTD (CN)
International Classes:
H01B5/14
Foreign References:
| CN112712918A | 2021-04-27 | |||
| CN111048788A | 2020-04-21 | |||
| CN109994740A | 2019-07-09 | |||
| CN108336357A | 2018-07-27 | |||
| JP2019147357A | 2019-09-05 |
Other References:
See also references of EP 4053857A4
Attorney, Agent or Firm:
BEIJING EASY JOY SOON IP AGENT LTD (CN)
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