Positive electrode plate and lithium ion battery
A positive electrode sheet and positive electrode material technology, which is applied in the field of positive electrode sheets and lithium-ion batteries, can solve the problems of secondary particle crushing, fragility, and deterioration of lithium-ion battery gas production, achieve structural stability protection, and increase energy density , Improve the effect of gas production
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[0010] The positive electrode sheet and the lithium ion battery according to the present application will be described in detail below.
[0011] First, the positive electrode sheet according to the first aspect of the present application will be described.
[0012] The positive electrode sheet according to the first aspect of the present application includes a positive electrode current collector and a positive electrode active material layer disposed on the positive electrode current collector. The positive electrode active material layer includes a first sublayer and a second sublayer, the first sublayer is located at the outermost layer of the positive electrode active material layer, and the second sublayer is located at the positive electrode current collector and the between the first sublayer. The first sublayer includes a first positive electrode active material, the second sublayer includes a second positive electrode active material, and the first positive electrode...
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