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, Euh-Duck; Hwang, Son-Ho; Lee, Sang-Rho; Yin, Ri-Zhu; Jeong, Soon-Ki

doi:10.1016/j.matlet.2012.05.102

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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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초록

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

DOI: 10.1016/j.matlet.2012.05.102

발행일: 2012-09-15

유형: Article

저널명: Materials Letters

권: 83

페이지: 14 ~ 16

언어: ENG

출판사: Elsevier BV

발행국가: 네덜란드

분량: 3 페이지

ISSN: E 1873-4979
P 0167-577X