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AssigneeNingde Amperex Technology Limited
InventorsShengqi Liu, Dongdong Han, Qingwen Zhang, Rui Zhu
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A positive electrode plate includes 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 includes a positive electrode active material and graphene. And 7.74≤Dv501/2+0.05 THK≤10.2, Dv50 is a particle size of the positive electrode active material and THK is a thickness of the positive electrode plate. And 0.078≤w*CW+0.01n≤1.9, n is a quantity of layers of the graphene, w is a mass percentage of the graphene in the positive electrode active layer, and CW is a one-side coating weight of the positive electrode active material layer.
A positive electrode plate, comprising:
An electrochemical apparatus, comprising 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
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
Dependencies are inferred from the claim text.