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US 10,476,081 B2Granted
Positive electrode material mixture and secondary battery including the same
AssigneeLG Chem, Ltd.
InventorsJong Heon Seol, Ye Lin Kim, Sang Hoon Choy
Life of this patent
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Abstract
Provided are a positive electrode material mixture, in which, the positive electrode material mixture includes a positive electrode active material, a conductive agent, and a binder, wherein the conductive agent includes a particulate conductive agent, a fibrous conductive agent, and a plate-shaped conductive agent, and the binder includes a crystalline binder having a weight-average molecular weight (Mw) of 500,000 g/mol to 900,000 g/mol and an amorphous binder having a weight-average molecular weight (Mw) of 200,000 g/mol to 400,000 g/mol.
Claims20
A positive electrode material mixture comprising:
- a positive electrode active material;
- a conductive agent;
- and
- a binder,
- wherein the conductive agent comprises a particulate conductive agent, a fibrous conductive agent, and a plate-shaped conductive agent, and
- the binder comprises a crystalline binder having a weight-average molecular weight of 500,000 g/mol to 900,000 g/mol;
- and an amorphous binder having a weight-average molecular weight of 200,000 g/mol to 400,000 g/mol.
4 more elements
Dependencies are inferred from the claim text.