Polyethyleneimine-functionalized PdOs bimetallene for enhanced oxygen reduction

被引：35
|
作者：
Wang, Ziqiang [1 ]
Xu, Shan [1 ]
Li, Min [1 ]
Deng, Kai [1 ]
Yu, Hongjie [1 ]
Xu, You [1 ]
Li, Xiaonian [1 ]
Wang, Hongjing [1 ]
Wang, Liang [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Chem Engn, State Key Lab Breeding Base Green Chem Synth Techn, Hangzhou 310014, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 30期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1039/d3cc00221g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, we propose the fabrication of polyethyleneimine-functionalized PdOs bimetallene (PdOs@PEI bimetallene) for the alkaline oxygen reduction reaction (ORR) via a wet-chemical method. The PdOs@PEI bimetallene has an ultra-thin and curved nanosheet structure that is conducive to providing more active sites and high conductivity and the bimetallic composition and PEI modification can tailor the electronic structure of PdOs bimetallene, leading to enhanced oxygen adsorption energy. Therefore, the PdOs@PEI bimetallene exhibits superior ORR activity, stability and durability to commercial Pt/C, highlighting the important role of the modified nitrogen-containing polymers in the enhancement of ORR performance.
引用
收藏
页码：4511 / 4514
页数：4
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