SECONDARY BATTERY, ELECTRONIC DEVICE, AND METHOD FOR PREPARING SECONDARY BATTERY

Abstract: an electrode assembly of a secondary battery includes an anode electrode plate, the anode electrode plate includes an anode current collector and an anode active material layer, and the anode active material layer includes an anode active material. a first surface of the anode active material layer has been subjected to a lithium supplementing process treatment, and an active lithium is formed during a formation process of the anode electrode plate. a recessed portion provided in the first surface can serve as a lithium-ion transport channel.

Inventor(s): Ao LIU

CPC Classification: H01M4/628 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)

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