Biotechnology humic acids-based electrospun carbon nanofibers as cost-efficient electrodes for lithium-ion batteries-易丝帮

Biotechnology humic acids-based electrospun carbon nanofibers as cost-efficient electrodes for lithium-ion batteries

2019/11/27 21:19:46 Zhao, P. Y., Y. Guo, B. J. Yu, J. Zhang and C. Y. Wang

Bio-based, cost-effective carbon nanofibers are fabricated from polyacrylonitrile (PAN) - refined biotechnology humic acids (RB) via simple eletrospinning after stabilization and carbonization. The influence of PAN/RB mass ratios and heat-treatment temperatures (HTTs) on structure and morphology is systematically studied. Excitingly, a first discharge/charge capacity of 937.9/613.4 mAh g (1)(coulombic efficiency of 65.4%) is achieved at 20 mA g (1) for PB7/3-800 in lithium -ion batteries (LIBs). Meanwhile, a charge capacity of 348.2 mAh g 1 (about 89% retention ratio) remains even after 100 cycles at 0.1 A g (1). It is demonstrated that biomass humic acids can be applied as a promising precursor to fabricate high performance, low-cost, as well as "green" carbon electrode material for LIBs. (C) 2016 Elsevier Ltd. All rights reserved.

Journal: Electrochimica Acta
Volume: 203
Issue:
Pages: 66-73
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2016.03.109
Year: 2016
Number:
Type:

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