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US 2014/0234710 A1Published application
Negative active material, negative electrode, and lithium battery
AssigneeSamsung SDI Co., Ltd.
InventorsSu-Kyung Lee, So-Ra Lee, Kyu-Nam Joo, Yu-Jeong Cho, Ui-Song Do, Chang-Su Shin, Ha-Na Yoo, Sang-Eun Park, Jae-Myung Kim
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Abstract
A negative active material includes a conductive unit bound in island-like form to silicon-based nanowires on a carbonaceous base. Such negative active material may improve the electrical conductivity of the silicon-based nanowires, and suppress separation of the silicon-based nanowires caused from volume expansion, and thus may improve lifetime characteristics of a lithium battery.
Claims22
A negative active material comprising:
- at least one silicon-based nanowire on a carbonaceous base;
- and
- a conductive unit bound to the silicon-based nanowire in island-like form.
Dependencies are inferred from the claim text.