Rational design of high-performance sodium-ion battery anode by molecular engineering of coal tar pitch
作者： Yuwei Wang , Nan Xiao , Zhiyu Wang , Hongjiang Li , Mingliang Yu
DOI: 10.1016/J.CEJ.2018.01.098
关键词: Capacity loss 、 Carbon 、 Electrochemistry 、 Anode 、 Chemical engineering 、 Materials science 、 Cathode 、 Electrolyte 、 Battery (electricity) 、 Sodium-ion battery
摘要: Carbon frameworks with appropriate micro-and macrostructure as well as chemical composition are prepared from aromatic coal tar pitch via a combined approach of molecular structure design and facile salt template method. When used as sodium-ion battery anode, the enlarged interlayer distance benefits sodium ion insertion/extraction and the interconnected nanosheets structure not only facilitates the contact of electrolyte but also shortens the sodium ion diffusion path. Additionally, the chemisorption of the sodium ion with …
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