US2013189585A1PendingUtilityA1

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same

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Assignee: SAMSUNG SDI CO LTDPriority: Nov 30, 2005Filed: Mar 11, 2013Published: Jul 25, 2013
Est. expiryNov 30, 2025(expired)· nominal 20-yr term from priority
Inventors:Yong-Mook KangNam-Soon ChoiSung-Soo Kim
H01M 4/1395H01M 2004/027H01M 4/139H01M 4/1393H01M 2004/021H01M 10/0525H01M 4/134H01M 4/04H01M 4/58H01M 4/38H01M 4/133Y02E60/10
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Claims

Abstract

Negative active materials for rechargeable lithium batteries, methods of manufacturing the negative active materials, and rechargeable lithium batteries including the negative active materials are provided. One negative active material includes an active metal core and a crack inhibiting layer formed on the core. The crack inhibiting layer includes a carbon-based material.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A negative active material for a rechargeable lithium battery comprising:
 an active metal core comprising active metal particles; and   a crack inhibiting layer comprising a carbon-based material, the crack inhibiting layer being disposed on a surface of the core.

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