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N-doped graphitic self-encapsulation for high performance silicon anodes in lithium-ion batteries
- Lee, Won Jun;
- Hwang, Tae Hoon;
- Hwang, Jin Ok;
- Kim, Hyun Wook;
- Lim, Joonwon;
- ... Han, Tae Hee;
- 외 5명
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148Citations
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149초록
N-doped sites at CNT and graphene trigger spontaneous encapsulation of Si particles by simple pH control at room temperature. Significantly, N-doped CNT encapsulated Si composite electrode materials show remarkable cycle life and rate performance in battery operations. Superior capacity retention of 79.4% is obtained after 200 cycles and excellent rate capability of 914 mA h g(-1) is observed at a 10 C rate.
키워드
CARBON NANOTUBE ARRAYS; HIGH-CAPACITY; CORE/SHELL NANOWIRES; SECONDARY BATTERIES; GRAPHENE OXIDE; STORAGE; CHARGE; NANOPARTICLES; ADSORPTION; CHALLENGES
- 제목
- N-doped graphitic self-encapsulation for high performance silicon anodes in lithium-ion batteries
- 저자
- Lee, Won Jun; Hwang, Tae Hoon; Hwang, Jin Ok; Kim, Hyun Wook; Lim, Joonwon; Jeong, Hu Young; Shim, Jongwon; Han, Tae Hee; Kim, Je Young; Choi, Jang Wook; Kim, Sang Ouk
- 발행일
- 2014-02
- 유형
- Article
- 권
- 7
- 호
- 2
- 페이지
- 621 ~ 626
- 언어
- ENG
- 출판사
- ROYAL SOC CHEMISTRY
- 발행국가
- 영국
- 분량
- 6 페이지
- ISSN
- E 1754-5706
P 1754-5692