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Remodifying the pseudographitic structure of coal-derived hard carbons for elevated sodium storage

delete2026-08-10
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PRE
AI
Y
Yongli Li
W
Weijia He
J
Jian-Gan Wang *
J
Jianfang Wang
Y
Yang Zhang
Y
Yanlin Li
Y
Yuze Guo
C
Chunguang Wei
N
Na Huang
F
Fenghua Bai *
C
Cheng Li
N
Nan Ding *
DOI：10.1016/j.carbon.2026.121969delete
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Abstract

Abstract

En 中文
• A phosphate-mediated strategy is demonstrated to remodify the microcrystalline structure of coal-derived hard carbon. • A pseudographitic structure with extended interlayer spacing and abundant closed pores/ultramicropores is obtained. • The as-designed anode achieves an elevated capacity of 355 mAh g−1 and a superb initial Coulombic efficiency of 89.5%. • Underlying insights into the enhanced electrode kinetics and reaction mechanism are elaborately clarified.
Keywords:
Sodium-ion batteries
Coal
Hard carbon
Anode
Phosphate mediation

Journal

Carbon cover
Carbon
IF:
11.6
Papers:
2.0W
Citations:
10.5W

Organization

N
northwestern polytechnical university
Scholars:
1.0W
Papers: 3.8K
Citations: 0
I
inner mongolia university of technology
Scholars:
1.1K
Papers: 345
Citations: 0
I
inner mongolia university
Scholars:
1.7K
Papers: 524
Citations: 0
C
Changzhou Institute of Technology
Scholars:
1.2K
Papers: 998
Citations: 994
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