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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
- Authors
- 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
- Issue Date
- 15-Sep-2012
- Publisher
- Elsevier BV
- Keywords
- Lithium secondary battery; Negative electrode; Niobium; Rietveld refinement; Charge and discharge; Cyclic voltammetry; First principles calculation
- Citation
- Materials Letters, v.83, pp 14 - 16
- Pages
- 3
- Journal Title
- Materials Letters
- Volume
- 83
- Start Page
- 14
- End Page
- 16
- ISSN
- 0167-577X
1873-4979
- Abstract
- 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.
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Collections - SCH Media Labs > Department of Energy Systems Engineering > 1. Journal Articles
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Related Researcher
- Jeong, Soon Ki
- SCH Media Labs (에너지공학과)