The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives

Shaojun Niu; Guobin Zhu; Kai Wu; Honghe Zheng

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The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives

Full Length Article | Updated：2026-01-06

- The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives
- The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives
- 中国化学工程学报（英文版） 2023年56卷第4期页码：58-69
- Affiliations：
  
  1. College of Energy, Soochow University,Suzhou,China,215006
  2. Contemporary Amperex Technology Limited,Ningde,China,352100
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2023
- Accepted：
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Shaojun Niu, Guobin Zhu, Kai Wu, 等. The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives[J]. 中国化学工程学报（英文版）, 2023,56(4):58-69.

Shaojun Niu, Guobin Zhu, Kai Wu, Honghe Zheng. The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives[J]. Chinese Journal of Chemical Engineering, 2023, 56(4): 58-69.
Shaojun Niu, Guobin Zhu, Kai Wu, 等. The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives[J]. 中国化学工程学报（英文版）, 2023,56(4):58-69. DOI：

Shaojun Niu, Guobin Zhu, Kai Wu, Honghe Zheng. The feasibility for natural graphite to replace artificial graphite in organic electrolyte with different film-forming additives[J]. Chinese Journal of Chemical Engineering, 2023, 56(4): 58-69. DOI：

摘要

Abstract

The feasibility for natural graphite (NG) to replace artificial graphite (AG) in organic electrolytes with different additives are investigated. Although the strong film-forming additives contributes to form robust solid electrolyte interphase (SEI) film on graphite particle surface

great differences in gas evolution

lithium inventory loss and other side reactions are observed. Lithium bis(oxalato)borate (LiBOB) and fluoroethylene carbonate (FEC) are found more effective and the combination shows to be more promising. In the optimized electrolyte

natural graphite anode exhibits excellent long-term cycling capability. After 800 cycles at high temperature

the capacity retention is comparable to that using artificial graphite. The mechanisms for the capacity-fading of the full cells with AG and NG anode are investigated by ICP

SEM and polarization studies. The results shows that NG electrode consumes more active lithium due to the rough surface and larger volume expansion. The rapid capacity-fading in the initial 100 cycles is related to the instability of the SEI film aroused from large volume expansion. The systematic analysis is inspiriting for the development of high performance lithium ion batteries with reduced cost.

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