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Potassium ion capacitors (PIC) have been extensively explored as an economically favorable substitute for their well‐developed lithium ion counterparts. However, their commercialization suffers from their low energy density and relatively short cycling life. Here, a porous carbon microsheets anode is produced by morphology‐preserved thermal transformation of sheet‐like manganese‐based metal–organic...
To effectively alleviate the severe volume expansion, pulverization and aggregation of anodes during the charge and discharge processes, we designed novel three-dimensional porous Sn@PVP-CX composites as anodes for lithium ion batteries (LIBs), in which Sn nanoparticles (NPs) are wrapped with outer layer of polyvinyl pyrrolidone (PVP), and the Sn@PVP core-shell nanostructures are homogenously loaded...
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