标题：Comprehensive New Insights and Perspectives into Ti-Based Anodes for Next-Generation Alkaline Metal (Na+, K+) Ion Batteries
作者：Wang, Nana; Chu, Chenxiao; Xu, Xun; Du, Yi; Yang, Jian; Bai, Zhongchao; Dou, Shixue
作者机构：[Wang, Nana; Xu, Xun; Du, Yi; Bai, Zhongchao; Dou, Shixue] Univ Wollongong, Inst Superconducting & Elect Mat, Innovation Campus,Squires Way, Wollongon 更多
通讯作者：Bai, ZC;Dou, SX;Bai, ZC
通讯作者地址：[Bai, ZC; Dou, SX]Univ Wollongong, Inst Superconducting & Elect Mat, Innovation Campus,Squires Way, Wollongong, NSW 2500, Australia;[Bai, ZC]Taiyuan U 更多
来源：ADVANCED ENERGY MATERIALS
关键词：anodes; potassium ion batteries; sodium ion batteries; titanium
摘要：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, NaxTiO2 systems, 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.