Title:
BATTERY ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY MANAGEMENT METHOD AND RELATED APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/223488
Kind Code:
A1
Abstract:
Disclosed in an embodiment of the present invention are a battery electrode sheet and a preparation method therefor, a wireless charging battery, and a battery management method, system and controller. The battery electrode sheet comprises: a current collector and an induction coil, wherein the induction coil is a planar coil formed by winding a first wire coated by an insulating film, at least one part of the induction coil is embedded in the current collector, a first surface of the induction coil is exposed to a second surface of the current collector, and the first surface is a surface of the induction coil that is parallel to the plane on which the induction coil is located. According to the embodiment of the present invention, the induction coil is arranged at an inner part of the battery electrode sheet, and said induction coil may achieve wireless charging and may also heat a wireless charging battery in which the battery electrode sheet is located. Moreover, the thickness of the wireless charging battery is greatly reduced.
Inventors:
CHENG GANG (CN)
Application Number:
PCT/CN2019/084104
Publication Date:
November 28, 2019
Filing Date:
April 24, 2019
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H01M10/46; H01M4/02; H02J7/00
Foreign References:
| CN108832074A | 2018-11-16 | |||
| CN102544615A | 2012-07-04 | |||
| CN102170035A | 2011-08-31 | |||
| CN106130117A | 2016-11-16 | |||
| CN201810498321A | 2018-05-22 |
Other References:
See also references of EP 3793016A4
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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