MOF derived catalysts for electrochemical oxygen reduction

Xiaojuan Wang; Junwen Zhou; He Fu; Wei Li; Xinxin Fan; Gongbiao Xin; Jie Zheng; Xingguo Li

doi:10.1039/c4ta01506a

MOF derived catalysts for electrochemical oxygen reduction

Xiaojuan Wang, Junwen Zhou, He Fu, Wei Li, Xinxin Fan, Gongbiao Xin, Jie Zheng^*, Xingguo Li

^*Corresponding author for this work

Peking University

Research output: Contribution to journal › Article › peer-review

415 Citations (Scopus)

Abstract

Developing noble metal free catalysts for the oxygen reduction reaction (ORR) is of critical importance for the production of low cost polymer electrolyte membrane fuel cells. In this paper, metal organic frameworks (MOFs) are used as precursors to synthesize ORR catalysts via pyrolysis in an inert atmosphere. The ORR performance is found to be closely associated with the metal/ligand combination in MOFs. The Co-imidazole based MOF (ZIF-67) derived catalyst exhibits the best ORR activity in both alkaline and acidic electrolytes. The Co cations coordinated by the aromatic nitrogen ligands in ZIF-67 may assist the formation of ORR active sites in the derived catalyst. The best ORR performance is obtained when the porosity of the derived catalyst is maximized, by optimizing the pyrolysis temperature and the acid leaching process. The performance of the best MOF derived catalyst is comparable to that of Pt/C in both alkaline and acidic electrolytes. This journal is

Original language	English
Pages (from-to)	14064-14070
Number of pages	7
Journal	Journal of Materials Chemistry A
Volume	2
Issue number	34
DOIs	https://doi.org/10.1039/c4ta01506a
Publication status	Published - 14 Sept 2014
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1039/c4ta01506a

Cite this

@article{e173ccf92c0f4658b01ce2000c985bce,

title = "MOF derived catalysts for electrochemical oxygen reduction",

abstract = "Developing noble metal free catalysts for the oxygen reduction reaction (ORR) is of critical importance for the production of low cost polymer electrolyte membrane fuel cells. In this paper, metal organic frameworks (MOFs) are used as precursors to synthesize ORR catalysts via pyrolysis in an inert atmosphere. The ORR performance is found to be closely associated with the metal/ligand combination in MOFs. The Co-imidazole based MOF (ZIF-67) derived catalyst exhibits the best ORR activity in both alkaline and acidic electrolytes. The Co cations coordinated by the aromatic nitrogen ligands in ZIF-67 may assist the formation of ORR active sites in the derived catalyst. The best ORR performance is obtained when the porosity of the derived catalyst is maximized, by optimizing the pyrolysis temperature and the acid leaching process. The performance of the best MOF derived catalyst is comparable to that of Pt/C in both alkaline and acidic electrolytes. This journal is",

author = "Xiaojuan Wang and Junwen Zhou and He Fu and Wei Li and Xinxin Fan and Gongbiao Xin and Jie Zheng and Xingguo Li",

year = "2014",

month = sep,

day = "14",

doi = "10.1039/c4ta01506a",

language = "English",

volume = "2",

pages = "14064--14070",

journal = "Journal of Materials Chemistry A",

issn = "2050-7488",

publisher = "Royal Society of Chemistry",

number = "34",

}

TY - JOUR

T1 - MOF derived catalysts for electrochemical oxygen reduction

AU - Wang, Xiaojuan

AU - Zhou, Junwen

AU - Fu, He

AU - Li, Wei

AU - Fan, Xinxin

AU - Xin, Gongbiao

AU - Zheng, Jie

AU - Li, Xingguo

PY - 2014/9/14

Y1 - 2014/9/14

N2 - Developing noble metal free catalysts for the oxygen reduction reaction (ORR) is of critical importance for the production of low cost polymer electrolyte membrane fuel cells. In this paper, metal organic frameworks (MOFs) are used as precursors to synthesize ORR catalysts via pyrolysis in an inert atmosphere. The ORR performance is found to be closely associated with the metal/ligand combination in MOFs. The Co-imidazole based MOF (ZIF-67) derived catalyst exhibits the best ORR activity in both alkaline and acidic electrolytes. The Co cations coordinated by the aromatic nitrogen ligands in ZIF-67 may assist the formation of ORR active sites in the derived catalyst. The best ORR performance is obtained when the porosity of the derived catalyst is maximized, by optimizing the pyrolysis temperature and the acid leaching process. The performance of the best MOF derived catalyst is comparable to that of Pt/C in both alkaline and acidic electrolytes. This journal is

AB - Developing noble metal free catalysts for the oxygen reduction reaction (ORR) is of critical importance for the production of low cost polymer electrolyte membrane fuel cells. In this paper, metal organic frameworks (MOFs) are used as precursors to synthesize ORR catalysts via pyrolysis in an inert atmosphere. The ORR performance is found to be closely associated with the metal/ligand combination in MOFs. The Co-imidazole based MOF (ZIF-67) derived catalyst exhibits the best ORR activity in both alkaline and acidic electrolytes. The Co cations coordinated by the aromatic nitrogen ligands in ZIF-67 may assist the formation of ORR active sites in the derived catalyst. The best ORR performance is obtained when the porosity of the derived catalyst is maximized, by optimizing the pyrolysis temperature and the acid leaching process. The performance of the best MOF derived catalyst is comparable to that of Pt/C in both alkaline and acidic electrolytes. This journal is

UR - http://www.scopus.com/inward/record.url?scp=84905564134&partnerID=8YFLogxK

U2 - 10.1039/c4ta01506a

DO - 10.1039/c4ta01506a

M3 - Article

AN - SCOPUS:84905564134

SN - 2050-7488

VL - 2

SP - 14064

EP - 14070

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

IS - 34

ER -

MOF derived catalysts for electrochemical oxygen reduction

Abstract

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this