Highly active metal organic framework composite for oxygen reduction reaction in alkaline medium

Developing economical and commercially available materials to replace precious and nondurable platinum based catalysts is a very important issue in contemporary fuel cell technology [1]. Nanostructured carbon materials have the potential to reduce the costs, improve the fueltolerance and scalability; however, they are limited presently by their relatively low catalytic activity [2]. Herein, we have synthesized a new electrocatalyst for the oxygen reduction reactionderived from in situ growth of metal–organic frameworks on carbon nanotubes, followed bypyrolysis. The most efficient catalyst yielded comparable catalytic activity than commercial platinum-based catalysts. The electrochemical measurements were carried out in alkaline medium. The synthesized MOF/CNT composite showed a comparable activity with Pt/C.

Keywords:

MOF , Oxygen reduction reaction