Biomass derived hierarchical porous carbons as high-performance anodes for sodium-ion batteries
By Huanlei Wang and Wenhua Yu and Jing Shi and Nan Mao and Shougang Chen and Wei Liu
Published in Electrochimica Acta
NULL
2016
Abstract
The electrochemical performance of sodium ion battery was improved by using peanut skin derived hierarchical porous carbon as an anode. By the utilization of the structure/composition of the peanut skin, hierarchical porous carbons with high surface area and sheet-like structure are successfully achieved through combined carbonization and activation with or without hydrothermal pretreatment. Tested against sodium, peanut skin derived carbon exhibits good rate capability and cycling stability, delivering a high initial charge capacity of 431 mAh g?1 at 0.1 A g?1, retaining a reversible capacity of 47 mAh g?1 at 10 A g?1, and showing a capacity retention of 83
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