期刊论文

Xia, Yongyao

英文

Journal of Power Sources

0378-7753

2020

476

228550

10.1016/j.jpowsour.2020.228550

This work was supported by the National Key Research and Development Program of China ( 2016YFB0901500 ), and the Shanghai Science & Technology Committee ( 19DZ2270100 , 19DZ1205500 ). This work was supported by the National Key Research and Development Program of China (2016YFB0901500), and the Shanghai Science & Technology Committee (19DZ2270100, 19DZ1205500).

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Hard carbon is now one of the most promising anode materials for sodium-ion batteries, but achieving high reversible capacity at low voltage plateau (0–0.1 V) is still a major challenge, which can actually enhances the operating voltage as well as the energy density when coupled with cathodes. In this work, a series of hard carbon spheres (HCS) with controlled architectures for sodium ion batteries (SIBs) are prepared by carbonizing synthetic phenolic resin over a wide temperature range from 900 to 2800 °C. HCS treated at 1900 °C (HCS-1900) ...