Insight towards kinetics and stability of carbon supported Pd-Y2O3 as cathode catalyst for polymer electrolyte fuel cells

被引：2
作者：
Maheswari, S. [1 ]
Bhat, Santoshkumar D. [1 ]
机构：
[1] CSIR, Cent Electrochem Res Inst, Madras Unit, CSIR Madras Complex, Chennai, Tamil Nadu, India
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2022年 / 47卷 / 14期
关键词：
Palladium; Yttrium oxide; Nanoparticles; PEFC; Oxygen reduction reaction; Durability; OXYGEN REDUCTION REACTION; ELECTROCATALYSTS; NANOPARTICLES; PLATINUM; METHANOL; ALLOYS; CO; PD; ELECTROREDUCTION;
D O I：
10.1016/j.ijhydene.2021.12.232
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：
Pd-Y2O3 on carbon (Pd-Y2O3/C) in different mass ratios of Pd to Y2O3 (1:1, 2:1, 3:1) were prepared and subjected as cathode electrocatalyst for polymer electrolyte fuel cells (PEFC). X-ray diffraction (XRD) and transmission electron microscopy (TEM) were used to determine the structure, crystalline size and dispersion of Pd-Y2O3/C respectively. The electrochemical characterizations of the electrocatalysts were evaluated from Cyclic Voltammetry (CV) and Linear Sweep Voltammetry (LSV). These electrocatalysts were evaluated for their catalytic activity towards oxygen reduction reaction (ORR) in fuel cell. Pd-2-Y2O3/C catalyst shows higher power density of 325 mW cm(-2) than Pd-1-Y2O3/C, Pd-3-Y2O3/C and Pd/C. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：8965 / 8973
页数：9
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