Patent ID: 11888148
Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 18:
19. An electronic apparatus, comprising an electrochemical apparatus, the electrochemical apparatus comprises a positive electrode plate, the positive electrode plate comprises a positive electrode current collector and two positive electrode active material layers on both surfaces of the positive electrode current collector, the positive electrode active material layer comprises a positive electrode active material and graphene, and
7.74≤Dv501/2+0.05THK≤10.2, wherein Dv50 is a particle size of the positive electrode active material and THK is a thickness of the positive electrode plate,
Dv50 is measured in μm, and THK is measured in μm; and
0.078≤w*CW+0.01n≤1.9,
wherein n is a quantity of layers of the graphene, w is a mass percentage of the graphene in the positive electrode active material layer, and CW is a one-side coating weight of the positive electrode active material layer; and CW is measured in mg/1540.25 mm2.