钯基催化剂应用于甲酸电氧化反应的研究进展

doi:10.11962/1006-4990.2020-0306

摘要/Abstract

摘要：

甲酸是一种很有前途的化学储氢材料,可作为低温液体燃料电池的直接燃料。钯基催化剂作为直接甲酸燃料电池（DFAFC）阳极材料,对甲酸氧化具有良好的催化活性,能克服一氧化碳的毒化,在甲酸电化学氧化反应中主要按直接途径进行。降低贵金属含量、提高催化活性、提升稳定性是当前钯基催化材料研究领域的主要方向。主要介绍了当前研究中钯催化剂对甲酸电氧化的催化机理,综述了近5 a的钯合金催化剂制备、特殊形貌控制、碳负载对甲酸氧化活性增强的研究,对钯基催化剂的持续开发具有实际应用意义。

关键词: 甲酸, 燃料电池, Pd催化剂, 碳载体

Abstract:

Formic acid is a promising material for chemical hydrogen storage,which can be used as direct fuel for cryogenic liquid fuel cell.As anode materials for direct formic acid fuel cell（DFAFC）,Pd-based catalysts have good catalytic activity for formic acid oxidation,which can overcome the poisoning of CO and carry out via direct route of the electrochemical oxida-tion of formic acid.Reducing noble metal content,improving catalytic activity and stability are the main directions in the re-search field of Pd-based catalytic materials.The electrooxidation and catalytic mechanism of Pd-based catalyst for formic acid at present was mainly introduced.The preparation of Pd alloy catalyst,the control of special morphology and the enhancement of carbon loading on formic acid oxidation activity in recent five years were reviewed.It has practical significance for the continuous development of Pd-based catalyst.

Key words: formic acid, fuel cell, palladium catalyst, carbon loading

中图分类号:

O643.36

陈少峰,侯兰凤,廖世军. 钯基催化剂应用于甲酸电氧化反应的研究进展[J]. 无机盐工业, 2021, 53(5): 33-38.

Chen Shaofeng,Hou Lanfeng,Liao Shijun. Research progress on application of palladium-based catalyst in electrooxidation of formic acid[J]. Inorganic Chemicals Industry, 2021, 53(5): 33-38.

图/表 1

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