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US 10,122,015 B2Granted
Positive electrode for lithium secondary battery and lithium secondary battery comprising the same
AssigneeSamsung SDI Co., Ltd.
InventorsSeung-Hun Han, Jun-Kyu Cha, Hye-Sun Jeong, Kwi-Seok Choi
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Abstract
A positive electrode for a lithium secondary battery is described which includes a lithium transition metal complex oxide including a lithium nickel based complex oxide and/or a lithium cobalt based complex oxide, active carbon having a specific surface area of from about 900 m2/g to about 1600 m2/g, and a water-based binder.
Claims16
A positive electrode for a lithium battery comprising:
- LiNi1-x-yCoxMnyO2,
- wherein 0<x<0.5, 0<y<0.5;
- active carbon having a specific surface area of from about 1250 m2/g to about 1450 m2/g;
- a water-based binder comprising acrylic resin based binder and
- a conducting agent,
- wherein a content ratio of the active carbon to the conducting agent is from about 1.6:1 to about 1:1.6.
3 more elements
A lithium secondary battery comprising:
- a positive electrode,
- a negative electrode,
- and a separator,
- wherein the positive electrode comprises:
- active carbon having a specific surface area of from about 1250 m2/g to about 1450 m2/g;
- a water-based binder comprising acrylic resin based binder;
- LiNi1-x-yCoxMnyO2,
- wherein 0<x<0.5, 0<y<0.5;
- and
- a conducting agent,
- wherein a content ratio of the active carbon to the conducting agent is from about 1.6:1 to about 1:1.6.
8 more elements
Dependencies are inferred from the claim text.