Activating the Pd-Based catalysts via tailoring reaction interface towards formic acid dehydrogenation

被引：28

作者：

Gao, Nanxing ^{[1
,2
,3
,4
]}

Ma, Rongpeng ^{[1
,2
,3
,4
]}

Wang, Xian ^{[1
,2
,3
,4
]}

Jin, Zhao ^{[3
,4
]}

Hou, Shuai ^{[3
,4
]}

Xu, Weilin ^{[1
,2
,3
,4
]}

Meng, Qinglei ^{[1
,2
,3
,4
]}

Ge, Junjie ^{[1
,2
,3
,4
]}

Liu, Changpeng ^{[1
,2
,3
,4
]}

Xing, Wei ^{[1
,2
,3
,4
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Jilin, Peoples R China

[2] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

[3] Chinese Acad Sci, Changchun Inst Appl Chem, Lab Adv Power Sources, Changchun 130022, Jilin, Peoples R China

[4] Jilin Prov Key Lab Low Carbon Chem Power Sources, Changchun 130022, Jilin, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 35期

基金：

中国国家自然科学基金;

关键词：

Formic acid dehydrogenation; Polyaniline-decorated; Pd-PdO interfaces; Interfacial microenvironment regulation; HYDROGEN-PRODUCTION; EFFICIENT DEHYDROGENATION; PALLADIUM NANOPARTICLES; MESOPOROUS CARBON; H-2; PRODUCTION; DOPED CARBON; GENERATION; METAL; DECOMPOSITION; FUTURE;

D O I：

10.1016/j.ijhydene.2020.04.289

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：

Formic acid dehydrogenation (FAD) offers an ideal route for hydrogen production, where searching for efficient and selective catalysts is imperative. However, the current state-of-the-art Pd-based metallic catalysts severely suffer from low catalytic efficiency and self-poisoning, owning to the FA dehydration side reaction. In this work, we design PANI-Pd/ C composite catalysts via interfacial microenvironment regulation technique. The as-prepared 0.01-PANI-Pd/C catalyst exhibits high turnover frequency (TOF, 5654 h(-1)) and excellent resistance to CO poisoning. The merit of polyaniline can be ascribed to: a) con- struction of abundant Pd-PdO interfaces; b) capturing H+ and accelerating the formation of the reactive species. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：17575 / 17582

页数：8

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