期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 45, 期 7, 页码 4793-4803出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.12.061
关键词
Tar; Biomass gasification; Carbon skeleton; Electrodeposition; All-solid-state supercapacitor
资金
- Natural Science Foundation of China [21978247]
- Energy development Foundation of college of Energy, Xiamen University [2017NYFZ02]
As an industrial pollutant, tar derived from biomass gasification is used as the precursor for fabricating a novel carbon-metal hydroxides composite electrode. A slurry (the mixture of tar, KOH and melamine) is daubed uniformly onto the nickel foam, which is directly carbonized to form NPC@LDH electrode material. This electrode is further coated with NiCo-LDH nanosheets using an electrodeposition method to form NF@NPC@LDH. The newly made NF@NPUDLDH electrode exhibits a high specific capacity of 9.6 F cm(-2) at a current density of 2 mA cm(-2) and good rate performance (55.3% retention). Furthermore, a hybrid NF@NPC@LDH//NF@PC all-solid-state supercapacitor is fabricated, and the device exhibits high energy density of 1.28 mWh cm(-3) at a power density of 8.04 mW cm(-3), low resistance and good cycling stability. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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