The influence of sodium ion on the solid polymer electrolyte water electrolysis

被引：30
|
作者：
Zhang, Linsong [1 ,2 ]
Jie, Xiao [4 ]
Shao, Zhi-Gang [1 ]
Zhou, Zhi-Min [1 ,2 ]
Xiao, Gang [3 ]
Yi, Baolian [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] China Natl Offshore Oil Corp, New Energy Investment Co Ltd, Beijing 1000016, Peoples R China
[4] Nanjing Univ, Ecomat & Renewable Energy Res Ctr, Nanjing 210093, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 02期
基金：
国家高技术研究发展计划(863计划);
关键词：
SPE water electrolysis; Sodium ion; Poisoning; FUEL-CELLS; HYDROGEN-PRODUCTION; PEM ELECTROLYSIS; MEMBRANE; PERFORMANCE; ENERGY; STABILITY; IMPURITY; CATIONS; CATHODE;
D O I：
10.1016/j.ijhydene.2011.10.023
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：
A study of the influence of sodium ions on the solid polymer electrolyte (SPE) water electrolysis is reported. Different poisoning modes (anode poisoning and cathode poisoning) and different cathode catalysts (Pt/C, Pd/C and RuO2) were compared. The results showed that the anode poisoning had more severe effects than cathode poisoning. The cell voltages increased by 0.730 V and 0.250 V respectively. In the anode poisoning, the cathode potential descended dramatically by 0.570 V. Meanwhile, the pH of cathode feed water increased to above 11.0 due to the reaction of 2H(2)O + 2e(-) = H-2 + 20OH(-) taking place. However, the cell voltage increased mainly caused by the anode potential in the cathode poisoning. The results also showed that the poisoning results were similar for different cathode catalysts. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1321 / 1325
页数：5
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