Highly reversible zinc metal anode modified with high-nitrogen containing covalent triazine frameworks

被引：0

作者：

Li, Suriguga ^{[1
]}

Zhang, Xupeng ^{[1
]}

Xu, Dan ^{[1
]}

Wang, Heng-guo ^{[1
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Peoples R China

来源：

MATERIALS LETTERS | 2024年 / 356卷

关键词：

Covalent triazine frameworks; Aqueous zinc ion batteries; Zinc metal anode; Energy storage and conversion;

D O I：

10.1016/j.matlet.2023.135631

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We successfully synthesized high-nitrogen containing covalent triazine frameworks (NCTF) as a coating for zinc anodes. The NCTF organic protective layer not only effectively separates Zn anode from the electrolyte, but also regulates Zn2+ transport path, thus inhibiting the occurrence of side reactions. Thus, Zn@NCTF symmetric cell achieves a long cycle lifespan of more than 720 h at 0.5 mA cm-2 and maintains a stable and low voltage po-larization of 49 mV. In addition, the Zn@NCTF//(NH4)2V3O8 full cell displays the reversible capacity of 195.6 mAh/g after 500 cycles at 1 A/g.

引用

页数：4

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