Wood-derived biochar as thick electrodes for high-rate performance supercapacitors

Bing Yan; Jiaojiao Zheng; Li Feng; Cheng Du; Shaoju Jian; Weisen Yang; Yimin A. Wu; Shaohua Jiang; Shuijian He; Wei Chen

doi:10.1007/s42773-022-00176-9

Biochar ›› 2022, Vol. 4 ›› Issue (1) : 0. DOI: 10.1007/s42773-022-00176-9

Original Research

Wood-derived biochar as thick electrodes for high-rate performance supercapacitors

Bing Yan¹ ,
Jiaojiao Zheng¹ ,
Li Feng¹ ,
Cheng Du²^,³ ,
Shaoju Jian⁴ ,
Weisen Yang⁴ ,
Yimin A. Wu³^,^g ,
Shaohua Jiang¹ ,
Shuijian He¹^,^j ,
Wei Chen²^,⁵^,^k

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Abstract

•	Basswood-derived free-standing thick carbon electrodes were developed for supercapacitors.
•	The capacitance performance was enhanced by pre-oxidation, solvothermal treatment and KOH activation.
•	Supercapacitors assembled from the optimized electrode exhibited good rate performance and stability.

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Bing Yan, Jiaojiao Zheng, Li Feng, Cheng Du, Shaoju Jian, Weisen Yang, Yimin A. Wu, Shaohua Jiang, Shuijian He, Wei Chen. Wood-derived biochar as thick electrodes for high-rate performance supercapacitors. Biochar, 2022, 4(1): 0 https://doi.org/10.1007/s42773-022-00176-9