Hierarchical aerogels with hollow Co3O4 nanoparticles and graphitized carbon vesicles embedded in multi-channel carbon nanofibers for high-performance asymmetric supercapacitors

Ming Zhang,Xuejiao Wang,Dongzhi Yang,Tianyu Zhao,Jin Qu,Zhong-Zhen Yu

Chemical Engineering Journal（2023）

引用 11|浏览11

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摘要

•Multi-channel carbon nanofibers with hollow Co3O4 (MCNF@H-Co3O4) are synthesized.•MCNF@H-Co3O4 aerogel electrode has high specific capacity and ultra-long cycle life.•N/O co-doped hollow MCNF aerogel as negative electrode exhibits high capacitances.•The asymmetric supercapacitor shows high energy density and long cycling lifespan.

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关键词

Hierarchical aerogels,Electrospinning,Hollow Co3O4 nanoparticles,Asymmetric supercapacitors,Polyacrylonitrile

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