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US 2014/0212745 A1Published application
Positive active material for lithium secondary battery and lithium secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsYoung-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Soon-Rewl Lee, Hong-Kyu Choi, Yong-Chul Park, Ick-Kyu Choi
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Abstract
In an aspect, a positive active material for a rechargeable lithium battery including: a compound that reversibly intercalates and deintercalates lithium; and a coating layer coating the compound and including a metal nitrate is disclosed. Since the positive active material is structurally stable during the charge and discharge, the obtained battery may have excellent battery capacity and cycle-life characteristics and also have high power.
Claims18
A positive active material for a rechargeable lithium battery comprising:
- a compound that reversibly intercalates and deintercalates lithium;
- and
- a coating layer coating the compound and comprising a metal nitrate.
Dependencies are inferred from the claim text.