Jin Xiao, Chenbo Yuan, Le Xiang, Xiutao Li, Lingyun Zhu, Xiaowen Zhan

Design Strategies toward High‐Utilization Zinc Anodes for Practical Zinc‐Metal Batteries

  • General Chemistry
  • Catalysis
  • Organic Chemistry

Aqueous Zn‐metal batteries (AZMBs) hold a promise as the next‐generation energy storage devices due to their higher specific capacity. However, the actual capacity falls far below the requirements of commercial AZMBs due to the inevitable dendritic growth and side reactions on the surface of Zn anode. Reducing the N/P ratio (negative capacity/positive capacity) is an effective method to achieve high energy density. A significant amount of research has been devoted to increasing the cathode loading and specific capacity to achieve the goal of low N/P batteries. Nevertheless, there is currently a lack of comprehensive overview regarding how to enhance the utilization of the Zn anode to balance the cycle life and energy density of AZMBs. In this review, we summarize the challenges faced in achieving high‐utilization Zn anodes and elaborate on the modifying strategies for the Zn anode to lower the N/P ratio. The current research status and future prospects for the practical application of high‐performance AZMBs are proposed at the end of the review.

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