Invention Grant
US09580322B2 Method of preparing negative active material for rechargeable lithium battery, and negative active material and rechargeable lithium battery prepared from the same
有权
制备用于可再充电锂电池的负极活性物质的方法，以及由其制备的负极活性材料和可再充电锂电池
- Patent Title: Method of preparing negative active material for rechargeable lithium battery, and negative active material and rechargeable lithium battery prepared from the same
- Patent Title (中): 制备用于可再充电锂电池的负极活性物质的方法，以及由其制备的负极活性材料和可再充电锂电池
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Application No.: US13969812Application Date: 2013-08-19
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Publication No.: US09580322B2Publication Date: 2017-02-28
- Inventor: Sung-Man Lee , Yoon-Soo Park
- Applicant: KNU-Industry Cooperation Foundation
- Applicant Address: KR Chuncheon-si
- Assignee: KNU-INDUSTRY COOPERATION FOUNDATION
- Current Assignee: KNU-INDUSTRY COOPERATION FOUNDATION
- Current Assignee Address: KR Chuncheon-si
- Agency: Lex IP Meister, PLLC
- Priority: KR10-2012-0094539 20120828; KR10-2013-0079292 20130705
- Main IPC: H01M4/133
- IPC: H01M4/133 ; C01B31/04 ; H01M4/583 ; H01M4/04 ; H01M4/1393 ; H01M4/587 ; H01M10/052
Abstract:
Disclosed are a method of preparing a negative active material for a rechargeable lithium battery that includes preparing a solution including spherically shaped natural graphite particles and a solvent, ultrasonic wave-treating the solution, and drying the ultrasonic wave-treated solution to prepare graphite modified particles, and a rechargeable lithium battery prepared therefrom.
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