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In this work, a facile route for preparation of high-performance hierarchical porous carbons from starch was described. The hierarchical porous carbons with developed micropores and mesopores were prepared, and the pore size was distributed at 2, 9 and 13 nm. The high-performance porous carbons with specific capacity of 221 F/g was obtained when the mass ratio of starch to zinc nitrate was 1:1 and the carbonization temperature was 800 o C. It also possessed excellent specific capacitancedoi:10.20964/2016.07.27 fatcat:z7ndjhsr3vhdxjy37wqqgfzpve