Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment

Cuiping He; Qingyi Gou; Yanqing Hou; Jianguo Wang; Xiang You; Ni Yang; Lin Tian; Gang Xie; Yuanliang Chen

doi:10.1016/j.cjche.2023.11.016

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Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment

Updated：2026-01-06

- Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment
- Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment
- 中国化学工程学报（英文版） 2024年67卷第3期页码：268-281
- Affiliations：
  
  1. Kunming University of Science and Technology, State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming,China,650093
  2. Kunming University of Science and Technology, Faculty of Metallurgical and Energy Engineering,Kunming,China,650093
  3. China Copper Co. Ltd,Yunnan,Kunming,China,650051
  4. Sichuan Shunying Power Battery Materials Co. Ltd,Sichuan,China,620076
  5. State Key Laboratory of Advanced Metallurgy for Non-ferrous Metals,Kunming,China,650051
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.11.016
  中图分类号：
- 纸质出版：2024
- Accepted：
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Cuiping He, Qingyi Gou, Yanqing Hou, 等. Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment[J]. 中国化学工程学报（英文版）, 2024,67(3):268-281.

Cuiping He, Qingyi Gou, Yanqing Hou, Jianguo Wang, Xiang You, Ni Yang, Lin Tian, Gang Xie, Yuanliang Chen. Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 268-281.
Cuiping He, Qingyi Gou, Yanqing Hou, 等. Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment[J]. 中国化学工程学报（英文版）, 2024,67(3):268-281. DOI： 10.1016/j.cjche.2023.11.016.

Cuiping He, Qingyi Gou, Yanqing Hou, Jianguo Wang, Xiang You, Ni Yang, Lin Tian, Gang Xie, Yuanliang Chen. Growth and inhibition of zinc anode dendrites in Zn-air batteries: Model and experiment[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 268-281. DOI： 10.1016/j.cjche.2023.11.016.

摘要

Abstract

Zinc (Zn)-air batteries are widely used in secondary battery research owing to their high theoretical energy density

good electrochemical reversibility

stable discharge performance

and low cost of the anode active material Zn. However

the Zn anode also leads to many challenges

including dendrite growth

deformation

and hydrogen precipitation self-corrosion. In this context

Zn dendrite growth has a greater impact on the cycle lives. In this dissertation

a dendrite growth model for a Zn-air battery was established based on electrochemical phase field theory

and the effects of the charging time

anisotropy strength

and electrolyte temperature on the morphology and growth height of Zn dendrites were studied. A series of experiments was designed with different gradient influencing factors in subsequent experiments to verify the theoretical simulations

including elevated electrolyte temperatures

flowing electrolytes

and pulsed charging. The simulation results show that the growth of Zn dendrites is controlled mainly by diffusion and mass transfer processes

whereas the electrolyte temperature

flow rate

and interfacial energy anisotropy intensity are the main factors. The experimental results show that an optimal electrolyte temperature of 343.15 K

an optimal electrolyte flow rate of 40 ml·min

-1

and an effective pulse charging mode.

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