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초록
Tungsten oxide-carbon composite (WO3-C) is synthesized and applied as the negative electrode for lithium-ion batteries. The conversion reaction of WO3 to W0 and Li2 O is major lithiation mechanism of WO3-C. GITT analysis shows the distinguishable advance at de-lithiation resistance of tungsten oxide from composite electrode. This enhancement of polarization is from the high electric conductivity of carbon structure and the reduction of particle size. The decrease of de-lithiation polarization leads the WO3-C electrode to very stable cycleability, which is not generally expected from the typical conversion type negative electrodes. © 2019 IEEE.
키워드
carbon composites; Lithium-ion batteries; metal oxides; negative electrodes; Carbon carbon composites; Electrodes; Lithium compounds; Oxides; Particle size; Particle size analysis; Polarization; Tungsten compounds; Carbon composites; Carbon structures; Composite electrode; Conversion reactions; De-lithiation; Negative electrode; Polarization-enhanced; Tungsten oxide; Lithium-ion batteries
- 제목
- De-lithiation polarization enhanced tungsten oxide/carbon composite-based highly reversible negative electrode for lithium-ion batteries
- 저자
- Yoon, S.; Kim, H.-S.; Pyo, S.G.
- 발행일
- 2019-12
- 유형
- Conference Paper
- 저널명
- 2019 IEEE Asia-Pacific Conference on Computer Science and Data Engineering, CSDE 2019
- 언어
- ENG
- 출판사
- Institute of Electrical and Electronics Engineers Inc.
- ISSN
- P 0000-0000