期刊
ADVANCED SCIENCE
卷 8, 期 12, 页码 -出版社
WILEY
DOI: 10.1002/advs.202004855
关键词
anode materials; battery safety; high power density; lithium‐ ion battery; Wadsley– Roth phase
资金
- National Key Research and Development Program of China [2017YFB0102000]
- Fundamental Research Funds for the Central Universities [20720190040]
- Guangdong Province Basic and Applied Basic Research Fund [2019A1515111069]
Wadsley-Roth crystallographic shear structure niobium-based oxides with 3D open tunnel structures show promise for fast Li+ storage, high power density, long lifespan, and high safety in lithium-ion batteries. Further research is needed to enhance their electrochemical kinetics and systematically investigate their industrial feasibility as anode materials for LIBs.
Wadsley-Roth crystallographic shear structure niobium-based oxides are of great interest in fast Li+ storage due to their unique 3D open tunnel structures that offer facile Li+ diffusion paths. Their moderate lithiation potential and reversible redox couples hold the great promise in the development of next-generation lithium-ion batteries (LIBs) that are characterized by high power density, long lifespan, and high safety. Despite these outstanding merits, there is still extensive advancement space for further enhancing their electrochemical kinetics. And the industrial feasibility of Wadsley-Roth crystallographic shear structure niobium-based oxides as anode materials for LIBs requires more systematic research. In this review, recent progress in this field is summarized with the aim of realizing the practical applications of Wadsley-Roth phase anode materials in commercial LIBs. The review focuses on research toward the crystalline structure analyses, electrochemical reaction mechanisms, modification strategies, and full cell performance. In addition to highlighting the current research advances, the outlook and perspective on Wadsley-Roth anode materials is also concisely provided.
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