4.7 Article

Oxygen vacancy-engineered ultrathin NiCo2O4 nanosheet arrays derived from MOFs as an advanced electrode for supercapacitors

期刊

DALTON TRANSACTIONS
卷 51, 期 47, 页码 17957-17961

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/d2dt03044f

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资金

  1. Zhejiang Provincial Natural Science Foundation of China
  2. Natural Science Foundation of China
  3. [LY20E020005]
  4. [51572272]

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Ultra-thin nanosheet arrays with oxygen vacancies are constructed using a facile reduction method, improving the electrochemical performance of NiCo2O4.
To overcome the poor electronic conductivity and slow ion transport of NiCo2O4, ultrathin nanosheet arrays with oxygen vacancies are constructed by a facile NaBH4 reduction method using a bimetallic MOF as the precursor. Benefiting from the advantages of highly exposed surface area and short paths for charge transport of ultrathin 2D nanosheets, as well as the improved electronic conductivity arising from oxygen vacancies, the optimal 0.1-O-v-NiCo2O4/NF electrode shows excellent electrochemical performance, largely outperforming pristine NiCo2O4/NF.

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