Bifunctional high-strength and anti-shuttling separator based on negatively-charged-cellulose-nanofibers for high-energy and stable flexible Zn-I2 batteries

被引：0

作者：

Qu, Hong ^{[1
]}

Guo, Wei ^{[2
]}

Li, Wenjing ^{[1
]}

Shao, Lianyi ^{[2
]}

Chen, Yiyu ^{[1
]}

Su, Sulian ^{[3
]}

Hang, Lifeng ^{[1
,3
]}

Jiang, Guihua ^{[1
,3
]}

机构：

[1] Jinan Univ, Affiliated Guangdong Prov Gen Hosp 2, Dept Med Imaging, Guangzhou Key Lab Mol Funct Imaging & Artificial I, Guangzhou 518037, Peoples R China

[2] Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China

[3] Fujian Med Univ, Xiamen Humanity Hosp, Xiamen 361000, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2025年 / 686卷

基金：

中国国家自然科学基金;

关键词：

Bifunctional cellulose-based separator; Shuttle-free iodine electrode; High iodine loading; Stable flexible Zn-I 2 Batteries; ZINC-ION; PERFORMANCE;

D O I：

10.1016/j.apsusc.2024.162180

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The flexible aqueous zinc-iodine batteries (FZIBs) show promise for wearable electronics, but the polyiodide shuttling effect limits iodine loading. Here, we develop a high-strength and negatively charged separator based on bio-sustainable and low-cost carboxylated cellulose nanofibers (c-CNFs) to obtain high-performed FZIBs. The negatively charged - COO- groups on the c-CNFs can repel the shuttling of iodine species and simultaneously enable a robust mechanical strength based on strong hydrogen bonding, allowing for shuttling-free high-loading FZIBs with improved energy and stability. Our research demonstrated the cellulose-based separator to enable FZIBs as a high-energy and stable flexible power supply.

引用

页数：7

共 48 条

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