P-doped spherical hard carbon with high initial coulombic efficiency and enhanced capacity for sodium ion batteries

Author:

Liu Zheng-Guang1ORCID,Zhao Jiahua12,Yao Hao12,He Xiang-Xi12,Zhang Hang12ORCID,Qiao Yun1ORCID,Wu Xing-Qiao2ORCID,Li Li13,Chou Shu-Lei2ORCID

Affiliation:

1. School of Environment and Chemical Engineering, Shanghai University, Shanghai 20444, P. R. China

2. Institute for Carbon Neutralization Technology, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China

3. Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education), Nankai University, Tianjin 300071, P. R. China

Abstract

We propose a repair strategy based on doping a trace amount of P to achieve a high capacity along with a high ICE, the obtained PHC-0.2 possesses a large interlayer space that facilitates Na+ storage and transportation.

Funder

National Natural Science Foundation of China

Innovative Research Team of High-level Local University in Shanghai

Natural Science Foundation of Zhejiang Province

Publisher

Royal Society of Chemistry (RSC)

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