Conductive film, preparation method thereof, electrode, current collector, secondary battery, and apparatus
AssigneeContemporary Amperex Technology (Hong Kong) Limited
InventorsManman WANG, Xiaoming GE, Chuying OUYANG
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Abstract
A conductive film includes: a substrate, where the substrate has a first surface and a second surface facing away from each other, and the substrate has a dense structure; and a first porous layer, where the first porous layer is stacked and bonded to the first surface of the substrate; the first porous layer includes a porous conductive material; and the porous conductive material has pores with first pore size and pores with second pore size; the first pore size being n micrometers, where 0.5≤n≤10; and the second pore size being m nanometers, where 20<m<200.
Claims20
A conductive film, comprising:
- a substrate, wherein the substrate has a first surface and a second surface facing away from each other, and the substrate has a dense structure;
- and
- a first porous layer, wherein the first porous layer is stacked and bonded to the first surface of the substrate;
- wherein:
- the first porous layer comprises a porous conductive material;
- and
- the porous conductive material has pores with first pore size and pores with second pore size,
- the first pore size being n micrometers, wherein 0.5≤n≤10;
- and
- the second pore size being m nanometers, wherein 20<m<200.
Dependencies are inferred from the claim text.