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可生物降解的豆蛋白纤维素基于凝的近固态离子电池

Ziwei Zhao¹, Sitian Zhang², Zhixiao Xu³

¹Department of Mechanical Engineering, University of Alberta, 9211-116 Street NW., Edmonton, Alberta T6G 1H9, Canada.

ACS applied materials & interfaces

|October 13, 2023

概括

来自豆蛋白的可生物降解水凝增强了离子电池阳极,防止了树的生长和的进化. 这为更安全,更持久的灵活电源提供了可持续的解决方案.

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
可持续能源可持续能源

背景情况:

离子电池提供安全,低成本的能量存储,但面临着阳极稳定性挑战,如树突增长和演化反应 (HER).
目前的准固态电解质通常使用非生物降解的聚合物,阻碍了可持续的电池开发.

研究的目的:

开发一种可生物降解的水凝电解质,用于使用植物材料的水性离子电池.
提高阳极稳定性和抑制寄生反应,以提高电池性能和寿命.

主要方法:

从可生物降解的聚乙醇和豆蛋白纳米纤维制造水凝电解质.
离子电池中水凝特性和电化学性能的表征.
组装和测试Zn能量Zn对称电池和Zn能量AC-I2混合离子电池.

主要成果:

可生物降解的水凝有效地提高了阳极的稳定性,并通过键网络抑制了HER.
豆蛋白纳米纤维甚至促进了Zn2+的迁移,防止了树突的形成.
对称Zn电池的寿命超过3000小时,在混合离子电池中容量保留得到改善.

结论:

来自植物性蛋白质纳米纤维的可生物降解水凝是先进的离子电池的可行和可持续的替代品.
这种方法解决了阳极稳定性和寄生反应的关键挑战,为环保的储能解决方案铺平了道路.

关键词:

可生物降解,可生物降解.水凝电解质的电解质蛋白质纳米纤维素是如何形成的可再生能源是可再生的阳极是一种阳极.

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