One-step hydrothermal synthesis of sulfur-doped Ni2(OH)2CO3 neuroid network combined with multi-walled carbon nanotubes for high-performance asymmetric supercapacitors
作者： Helin Niu , Xiao Lian , Mingzai Wu , Jinfeng Zheng , Fangcai Zheng
DOI: 10.1016/J.DIAMOND.2021.108451
关键词:
摘要: Abstract In this reported work, S-Ni2(OH)2CO3@MWCNTs nanocomposites were prepared using a one-step hydrothermal method. Among them, S atoms are doped into Ni2(OH)2CO3 without replacing OH−, and there is electronic interaction between or MWCNTs. Finally, four materials with similar morphologies to establish system model determine how doping affects the electrochemical performance of host material. The experimental results show that can improve S-Ni2(OH)2CO3@MWCNTs. asymmetric supercapacitors assembled activated carbon, an energy density 45 Wh kg−1 excellent long-term cycle stability. This research provides new strategy for improving supercapacitor electrode materials.
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