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- Title
Effect of Sulfur Modification on Structural and Electrochemical Performance of Pitch-Based Carbon Materials for Lithium/Sodium Ion Batteries.
- Authors
Ma, Zihui; Wen, Zhe; Song, Yan; Yang, Tao; Tian, Xiaodong; Wu, Jinru; Liu, Yaxiong; Liu, Zhanjun; Wang, Huiqi
- Abstract
Coal tar pitch (CTP) has become an ideal choice in the preparation of anode precursors for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) because of its abundant carbon content, competitive pricing and adjustable structure properties. In this paper, sulfurized pitch-based carbon (SPC-800) was obtained by allowing CTP to react with sulfur at 350 °C and subsequently achieve carbonization at 800 °C. SPC-800 was more disordered and had a larger layer spacing than carbonized CTP (PC-800). Upon utilization as an anode for LIBs, SPC-800 possessed a higher reversible specific capacity (478.1 mAh g−1 at 0.1 A g−1), while utilization in SIBs displayed a capacity of 220.9 mAh g−1 at 20 mA g−1. This work is an important guide to the design of high-performance anodes suitable for use with both LIBs and SIBs.
- Subjects
CARBON-based materials; COAL tar; LITHIUM-ion batteries; SODIUM ions; ANODES; CARBON nanofibers
- Publication
Nanomaterials (2079-4991), 2024, Vol 14, Issue 17, p1410
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano14171410