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US 2010/0248027 A1Published application
Battery electrode sheet, method and battery with the same
OwnerTianci ZHANG, Juntao Xu +2inventors
InventorsTianci ZHANG, Juntao Xu, Xiaoyong Yan, Huajun Sun
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Abstract
A battery electrode sheet comprises a conductive substrate with two sides, and a first and second layer of an electrode material. The first and second layers of the electrode material are coated on at least one side of the conductive substrate. The first and second layers are deposited in separate steps.
Claims20
A battery electrode sheet, comprising:
- a conductive substrate having two sides;
- and
- a first and second layer of an electrode material on at least one side of the conductive substrate, the first and second layers being deposited in separate steps.
A method for preparing a battery electrode sheet, comprising:
- providing a first slurry of an electrode material;
- coating the first slurry onto a conductive substrate to form a first layer of the electrode material;
- drying the first layer;
- pressing the first layer;
- providing a second slurry of an electrode material;
- coating the second slurry onto the first layer to form a second layer of the electrode material;
- drying the second layer;
- and
- pressing the second layer to form a battery electrode sheet.
6 more elements
A battery, comprising:
- a battery shell;
- an electrolyte disposed in the battery shell;
- and
- an electrode assembly disposed in the battery shell, the electrode assembly comprising:
- a positive sheet;
- a negative sheet;
- and
- a separator disposed between the positive sheet and the negative sheet;
- wherein at least one of the positive sheet and the negative sheet comprises a conductive substrate with two sides, and a first and second layer of an electrode material coated on at least one side of the conductive substrate;
- and wherein the first and second layers are deposited in separate steps.
7 more elements
Dependencies are inferred from the claim text.