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Published on: January 7, 2019
Electrospun Kraft Lignin/Cellulose Acetate-Derived Nanocarbon Network as an Anode for High-Performance Sodium-Ion
Hao Jia1,2, Na Sun1, Mahmut Dirican2
1Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles , Donghua University , Shanghai 201620 , China.
Abstract:
An innovative nanocarbon network material was synthesized from electrospun kraft lignin and cellulose acetate blend nanofibers after carbonization at 1000 °C in a nitrogen atmosphere, and its electrochemical performance was evaluated as an anode material in sodium-ion batteries. Apart from its unique network architecture, introduced carbon material possesses high oxygen content of 13.26%, wide interplanar spacing of 0.384 nm, and large specific surface area of 540.95 m2·g-1. The electrochemical test results demonstrate that this new nanocarbon network structure delivers a reversible capacity of 340 mA h·g-1 at a current density of 50 mA·g-1 after 200 cycles and exhibits a high rate capacity by delivering a capacity of 103 mA h·g-1 at an increased current density of 400 mA·g-1. The present work rendered an innovative approach for preparing nanocarbon materials for energy-storage applications and could open up new avenues for novel nanocarbon fabrication from green and environmentally friendly raw materials.
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