Cobalt phosphide (Co2P) encapsulated in nitrogen-rich hollow carbon nanocages with fast rate potassium ion storage.
作者： Debanjan Das , Debasish Sarkar , Sudhan Nagarajan , David Mitlin
DOI: 10.1039/D0CC07123D
关键词:
摘要: We synthesized Co2P nanoparticle encapsulated N-doped carbon nanocages through one-step carbonization–phosphidation of ZIF-67. As potassium ion battery (KIB, PIB) anodes, the Co2P@NCCs display state-of-the-art electrochemical performance, including most favorable fast charge characteristics reported. The single-nanometer thick cage yields rapid solid-state K-ion diffusion and prevents aggregation/pulverization 40 nm cobalt phosphide.
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