Flower-like NiMn-layered double hydroxide microspheres coated on biomass-derived 3D honeycomb porous carbon for high-energy hybrid supercapacitors

Mutian Ma,Weijie Cai,Yongli Chen, Yuan Li,Fengzhi Tan,Jinghui Zhou

Industrial Crops and Products（2021）

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摘要

•Honeycomb-like porous carbon conductive scaffold was prepared using renewable biomass Chingma Abutilon Seeds.•NiMn LDH microspheres were uniformly supported on the porous carbon in the form of nanosheets.•Optimal CAS30@NiMn LDH composites yielded a specific capacitance of 1719 F g−1.•Assembled HSCs device delivered long cycling stability and high energy density.

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关键词

Biomass,Honeycomb-like porous carbon,Layered double hydroxides,Hybrid supercapacitor,High energy density

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