@article{Peng2021, 
author = {Lingxin Peng and Han Tian and Xiangzhi Cui and Liang Su and Ge Meng and Zhonghua Ma and Shaowen Cao and Jianlin Shi},
title = {Dual synergetic catalytic effects boost hydrogen electric oxidation performance of Pd/W18O49},
year = {2021},
journal = {Nano Research},
volume = {14},
number = {7},
pages = {2441-2450},
keywords = {synergistic effect, tungsten oxide, hydrogen oxygen reaction, photo-reduction method, CO tolerance catalyst},
url = {https://www.sciopen.com/article/10.1007/s12274-020-3248-0},
doi = {10.1007/s12274-020-3248-0},
abstract = {Developing anode catalysts of substantially enhanced activity for hydrogen oxidation reaction (HOR) and anti-CO poisoning performance is of great importance for the application of proton exchange membrane fuel cells (PEMFCs). Herein, we report Pd cluster in situ decorated urchin-like W18O49 (WO2.72) electrocatalysts by a photo-reduction method for high performance HOR. The synthesized Pd-WO2.72-L composite of low loading amount of 0.44 wt.% Pd by Xenon light reduction exhibits markedly high HOR catalytic activity and stability in 0.5 M H2SO4, and the specific HOR current density and mass activity of Pd-WO2.72-L are ~ 1.5 and ~ 80 times those of 20 wt.% Pt/C catalyst, respectively. Moreover, excellent anti-CO poisoning ability has also been obtained. The excellent HOR activity and anti-CO poisoning performance of Pd-WO2.72-L have been discussed mainly in terms of the dual synergetic catalytic effects between Pd and WO2.72: Pd activation to Pdδ+ by the electron transfer from Pd to W promotes the hydrogen adsorption and activation to H* species, which results in largely elevated HOR activity; Pd degradation due to the CO poisoning is effectively prevented by WO2.72, which is responsible for the excellent CO-tolerance performance.}
}