Volume 7, Issue 3 2201508
Review

Noncrystalline Carbon Anodes for Advanced Sodium-Ion Storage

Xu Han

Xu Han

Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

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Shuhao Zhou

Shuhao Zhou

Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

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Huan Liu

Huan Liu

Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

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Huitao Leng

Huitao Leng

Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

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Sheng Li

Corresponding Author

Sheng Li

Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

E-mail: [email protected]; [email protected]; [email protected]

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Jingxia Qiu

Corresponding Author

Jingxia Qiu

School of Physical and Mathematical Sciences, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

E-mail: [email protected]; [email protected]; [email protected]

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Fengwei Huo

Corresponding Author

Fengwei Huo

Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816 P. R. China

E-mail: [email protected]; [email protected]; [email protected]

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First published: 29 January 2023
Citations: 8

Abstract

Developing an anode with excellent rate performance, long-cycle stability, high coulombic efficiency, and high specific capacity is one of the key research directions of sodium-ion batteries. Among all the anode materials, noncrystalline carbon (NCC) has great possibilities according to its supreme performance and low cost, but with the complexity and variability of the structure. With the in-depth study of the sodium storage behaviors of NCC in recent years, three modes of interlayer intercalation, clustering into micropores, and adsorption are reported and summarized. Although the storage mechanism has gradually become more evident, the complex behavior of the ions at different voltage regions, especially in the low-voltage (plateau) region, still remains controversial. It is essential to understand further the relationship between ions and NCC structure during energy storage processes. Based on the summary of previous works, this article has reviewed the storage mechanism of sodium ions in NCC and evaluated the structure–behavior relationship between sodium-ion storage and the carbon structure.

Conflict of Interest

The authors declare no conflict of interest.

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