天冬氨酸掺杂聚苯胺人工界面层协同效应实现高性能锌负极

卢雅欣; 张桂鑫; 鲁保良; 王菱; 马兆玲

doi:10.19799/j.cnki.2095-4239.2026.0528

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天冬氨酸掺杂聚苯胺人工界面层协同效应实现高性能锌负极

XXXX | 更新时间：2026-09-04

- 天冬氨酸掺杂聚苯胺人工界面层协同效应实现高性能锌负极
- Synergistic Effect of Aspartic Acid-Doped Polyaniline Artificial Interphase Layer toward High-Performance Zinc Anodes
- 储能科学与技术 2026年页码：1-14
- 作者机构：
  
  广西师范大学化学药学学院，广西桂林 541004
- 作者简介：
  
  卢雅欣（2001—），女，硕士研究生，研究方向水系锌离子电池负极保护策略，E-mail：2442747006@qq.com ；
  马兆玲，副教授，研究方向水系锌离子电池负极保护策略，E-mail：zhaolingma@163.com
- 基金信息：
  
  国家自然科学基金资助项目(22362010)
- DOI：10.19799/j.cnki.2095-4239.2026.0528
  中图分类号： TM 912;O 646
- 收稿：2026-06-19，
  
  修回：2026-08-26，
  
  网络首发：2026-09-03，
- 稿件说明：
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卢雅欣, 张桂鑫, 鲁保良, 等. 天冬氨酸掺杂聚苯胺人工界面层协同效应实现高性能锌负极[J]. 储能科学与技术, XXXX, XX(XX): 1-14.

Lu Yaxin, Zhang Guixin, Lu Baoliang, et al. Synergistic Effect of Aspartic Acid-Doped Polyaniline Artificial Interphase Layer toward High-Performance Zinc Anodes[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-14.
卢雅欣, 张桂鑫, 鲁保良, 等. 天冬氨酸掺杂聚苯胺人工界面层协同效应实现高性能锌负极[J]. 储能科学与技术, XXXX, XX(XX): 1-14. DOI： 10.19799/j.cnki.2095-4239.2026.0528.

Lu Yaxin, Zhang Guixin, Lu Baoliang, et al. Synergistic Effect of Aspartic Acid-Doped Polyaniline Artificial Interphase Layer toward High-Performance Zinc Anodes[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-14. DOI： 10.19799/j.cnki.2095-4239.2026.0528.

摘要

水系锌离子电池凭借高安全性、低成本及高离子电导率等优势，在规模化储能领域极具发展潜力，但其金属锌负极面临枝晶生长、析氢副反应及界面腐蚀钝化等严峻挑战，严重制约了电池的循环寿命与安全性。为此，本文提出采用天冬氨酸（Asp）掺杂的聚苯胺（APANI）人工界面层修饰稳定锌负极。聚苯胺（PANI）主链形成三维多孔网络结构，构建高效的离子传输通道，其含有的-N=、-NH-官能团为Zn

提供均匀成核位点，调控沉积行为。侧链Asp富含的-COOH官能团，能够通过氢键作用促进水合锌离子的去溶剂化。通过主链与侧链的协同作用，显著抑制了锌枝晶生长和析氢腐蚀行为。APANI人工界面层修饰的锌负极能够在2 mA/cm

，1 mAh/cm

的条件下实现1600 h的循环。组装的非对称电池能够在1500圈后仍保持99.81%的平均库伦效率。全电池在1 A/g的电流密度下，能够稳定循环1000圈，且保持152.9 mA/g的放电比容量。APANI人工界面层实现了锌负极的高效稳定保护，为高性能水系锌离子电池的开发提供新思路。

Abstract

Aqueous zinc-ion batteries hold great promise for large-scale energy storage due to their high safety

low cost

and high ionic conductivity. However

the metallic zinc anode faces severe challenges such as dendrite growth

hydrogen evolution side reactions

and interfacial corrosion passivation

which significantly limit the battery's cycle life and safety. To address these issues

this study proposes modifying the zinc anode with an artificial interface layer composed of aspartic acid doped polyaniline (APANI). The polyaniline (PANI) backbone forms a three-dimensional porous network structure

creating efficient ion transport channels

while its -N= and -NH- functional groups provide uniform nuc

leation sites for Zn

ions

effectively regulating deposition behavior. The side-chain Asp

rich in -COOH groups

promotes desolvation of hydrated zinc ions through hydrogen bonding interactions. Through the synergistic interaction between the main chain and side chains

the growth of zinc dendrites and hydrogen evolution corrosion are significantly suppressed. The APANI-modified zinc anode achieves stable cycling for up to 1600 hours under conditions of 2 mA/cm

and 1 mAh/cm

. The assembled asymmetric cell maintains an average coulombic efficiency of 99.81% after 1500 cycles. Furthermore

the full cell delivers a stable discharge capacity of 152.9 mA/g at a current density of 1 A/g over 1000 cycles. The APANI artificial interface layer enables highly effective and stable protection of the zinc anode

offering new insights for the development of high-performance aqueous zinc-ion batteries.

关键词

Keywords

references

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