Highly efficient electrocatalysts for oxygen reduction based on 2D covalent organic polymers complexed with non-precious metals

Zhonghua Xiang; Yuhua Xue; Dapeng Cao; Ling Huang; Jian-Feng Chen; Liming Dai

doi:10.1002/anie.201308896

Highly efficient electrocatalysts for oxygen reduction based on 2D covalent organic polymers complexed with non-precious metals

Angew Chem Int Ed Engl. 2014 Feb 24;53(9):2433-7. doi: 10.1002/anie.201308896. Epub 2014 Jan 29.

Authors

Zhonghua Xiang¹, Yuhua Xue, Dapeng Cao, Ling Huang, Jian-Feng Chen, Liming Dai

Affiliation

¹ Centre of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 (USA); State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029 (P.R. China).

PMID: 24477972
DOI: 10.1002/anie.201308896

Abstract

A class of 2D covalent organic polymers (COPs) incorporating a metal (such as Fe, Co, Mn) with precisely controlled locations of nitrogen heteroatoms and holes were synthesized from various N-containing metal-organic complexes (for example, metal-porphyrin complexes) by a nickel-catalyzed Yamamoto reaction. Subsequent carbonization of the metal-incorporated COPs led to the formation of COP-derived graphene analogues, which acted as efficient electrocatalysts for oxygen reduction in both alkaline and acid media with a good stability and free from any methanol-crossover/CO-poisoning effects.

Keywords: covalent organic polymers; electrocatalysts; graphene analogues; metal-organic frameworks; oxygen reduction reaction.