Title

Comprehensive New Insights and Perspectives into Ti-Based Anodes for Next-Generation Alkaline Metal (Na+, K+) Ion Batteries

RIS ID

129997

Publication Details

Wang, N., Chu, C., Xu, X., Du, Y., Yang, J., Bai, Z. & Dou, S. (2018). Comprehensive New Insights and Perspectives into Ti-Based Anodes for Next-Generation Alkaline Metal (Na+, K+) Ion Batteries. Advanced Energy Materials, 8 (27), 1801888-1-1801888-27.

Abstract

Sodium ion batteries (NIBs) and potassium ion batteries (KIBs) are promising candidates for large-scale energy storage systems, with a similar "rocking chair" working principle to lithium ion batteries due to their earth abundance and lower cost. One of the major challenges in NIB research is the search for suitable anode materials with long lifetimes and high specific capacities. The research on KIBs is still in its infancy. Titanium-based anodes present low lattice strain, high safety, and overall stability during cycling, which make them promising for large-scale systems, especially for stationary batteries. In this review, the latest progress on titanium-based anodes for NIBs and KIBs is summarized, including titanium dioxide and its composite, NaxTiO2systems, NaTi2(PO4)3, titanates, and MXenes. The synthesis methods, modification methods, and sodium or potassium ion storage mechanisms of titanium-based anodes are detailed; also the current challenges and future opportunities are discussed.

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Link to publisher version (DOI)

http://dx.doi.org/10.1002/aenm.201801888