Hierarchical hollow tubular fibrous brucite-templated carbons obtained by KOH activation for supercapacitors.

In addition, with the increase of the amount of KOH, the specific capacitance showed a trend of increasing first and then decreasing, which is due to the increased micropore content in the AHTFBC s after KOH activation and etching, which can increase more active sites for electrolyte ions, and therefore, the electrochemical properties are significantly improved.

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Introduction With the over-exploitation of fossil energy and the deterioration of the ecological environment, the development of clean and renewable energy has become an important trend in today's society.

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