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The electrochemical performance of fulvic acid-based electrospun hard carbon nanofibers (PF-CNFs) as anodes for sodium-ion batteries is reported. PF-CNFs were prepared, stabilization in air at 280 °C and then carbonized in N2 at 800, 1000, 1300 or 1500 °C. The PF-CNFs prepared at 1300 °C had abundant oxygen functional groups, large interlayer spaces and stable morphologies and when used as anodes...
Low-cost and bio-based carbon nanofibrous webs (PL-CNFs) are fabricated from polyacrylonitrile (PAN) – refined lignin (RL) which is extracted from hardwood lignosulfonate via simple eletrospinning followed by stabilization and carbonization. The effects of the PAN/RL mass ratios varying from 9/1,7/3 to 5/5 and heat-treatment temperatures (HTTs) in the range from 800, 1000 to 1300 °C on morphology...
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