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Synthesis and electrochemical characterization of Li11Nb0.9O2-x as a novel active material for the negative electrode of lithium secondary batteries
- Kim, Yang-Soo;
- Na, Kangmoon;
- Lee, Min-Hyung;
- Back, Changkeun;
- Baik, Younkee;
- ... Jeong, Soon-Ki;
- 외 4명
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3초록
An oxide, Li1.1Nb0.9O2 - x, is proposed as a novel active material for the negative electrode of lithium secondary batteries. The material was selected by first principles calculation and its real properties as a negative electrode were measured after it is synthesized by solid state reactions. Lithium ions are inserted into the material at potentials <0.3 V vs. Li/Li+. Its reversible capacity is similar to 120 mAh g(-1) after 50 cycles. (C) 2012 Elsevier B.V. All rights reserved.
키워드
Lithium secondary battery; Negative electrode; Niobium; Rietveld refinement; Charge and discharge; Cyclic voltammetry; First principles calculation; LI DEINTERCALATION; CHEMICAL BONDINGS; ANODE; OXIDE; NI; CR
- 제목
- Synthesis and electrochemical characterization of Li11Nb0.9O2-x as a novel active material for the negative electrode of lithium secondary batteries
- 저자
- Kim, Yang-Soo; Na, Kangmoon; Lee, Min-Hyung; Back, Changkeun; Baik, Younkee; Jeong, Euh-Duck; Hwang, Son-Ho; Lee, Sang-Rho; Yin, Ri-Zhu; Jeong, Soon-Ki
- 발행일
- 2012-09-15
- 유형
- Article
- 권
- 83
- 페이지
- 14 ~ 16