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