Extremely stable antimony–carbon composite anodes for potassium-ion batteries

• DOI: 10.1039/c8ee02836b
• Publication Date: 2019-01-08T23:34:38Z
• Authors: Jing Zheng; Yong Yang; Xiulin Fan; Guangbin Ji; Xiao Ji; Haiyang Wang; Singyuk Hou; Michael R. Zachariah; Chunsheng Wang
• Keywords: Potassium-ion battery; Carbon fibers

A novel Sb nanoparticle embedded 3D carbon sphere network (Sb@CSN), fabricated <italic>via</italic> a scalable electrospray-assisted strategy, delivers one of the highest K storage capacity and longest cycle life in first-ever reported 4 M KTFSI/EC + DEC electrolyte when compared with all K-ion battery anodes to date.