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Updated: Jan 18, 2026

Zinc-Sponge Battery Electrodes that Suppress Dendrites

Zinc-Sponge Battery Electrodes that Suppress Dendrites

Published on: September 29, 2020

2D活性填充剂修改的多孔聚合物网络,用于在恶劣条件下稳定 Zn 阳极.

Haifeng Bian¹, Changhao Wang^2,3, Shunshun Jia¹

¹National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, P. R. China.

Small (Weinheim an der Bergstrasse, Germany)

|September 10, 2025

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这项研究引入了酸 (ZrP) 作为2D填充剂,以提高电池中的阳极性能. 增强的多孔聚合物涂层显著增加了离子运输,在苛刻的条件下使循环寿命更长.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
储能储能储能储能储能储能

背景情况:

人工多孔聚合物涂层显示了Zn阳极的潜力,但遭受了低离子传输.
这种限制阻碍了在高电流密度和排放深度 (DOD) 等恶劣条件下的性能.

研究的目的:

为了增强Zn2+迁移和保护作用在Zn阳极的多孔聚合物涂层中.
为了在具有挑战性的操作条件下提高 Zn 阳极的稳定性和周期寿命.

主要方法:

将2D活性填充剂酸 (ZrP) 纳入多孔聚甲基酸 (PPMMA) 网络.
修改涂层的离子输送特性和保护能力的表征.

主要成果:

由于其层间通道和性,ZrP加速了PPMMA网络内的Zn2+运输.
经过修改的PPMMA/ZrP涂层显著提高了Zn阳极的可逆性和保护作用.
实现的超长周期寿命:1000小时在10 mA cm-2 (DOD = 5.7%) 和280小时在20 mA cm-2 (DOD = 56.9%).
带有PPMMA/ZrP涂层的超薄Zn阳极 (10微米) 的全细胞在3000个循环中表现出稳定的性能.

结论:

关键词:

二维离子导体的导体在 Zn 阳极上,在Zn2+迁移过程中复合涂层是一种复合涂层.有孔的聚合物网络.侧面反应侧面反应

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2D ZrP填充剂有效地优化Zn2+在多孔聚合物涂层中的迁移.
PPMMA/ZrP复合涂层为开发用于储能应用的高性能和稳定的Zn阳极提供了有前途的战略.