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US 2014/0234714 A1Published application
Negative active material, and negative electrode and lithium battery each including the negative active material
AssigneeSamsung SDI Co., Ltd.
InventorsYu-Jeong Cho, Sang-Eun Park, So-Ra Lee, Su-Kyung Lee, Ui-Song Do, Chang-Su Shin, Jae-Myung Kim
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Abstract
A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.
Claims20
A negative active material, comprising:
- a composite core comprising a carbonaceous base, and a metal or metalloid nanostructure on the carbonaceous base;
- and
- a coating layer formed on at least part of the composite core and comprising a metal oxide coating layer and an amorphous carbonaceous coating layer.
Dependencies are inferred from the claim text.