Palladium-based anion-exchange membrane fuel cell using koh-doped polybenzimidazole as the electrolyte

Tsuyohiko Fujigaya, Chaerin Kim, Kazuya Matsumoto, Naotoshi Nakashima

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The development of a low-cost and high-performance fuel cell is a strong social demand. Anion-exchange membrane fuel cells (AEMFCs) have recently emerged as an alternative technology to conventional fuel cells that use a proton-exchange membrane as they enable the use of cheaper metals than platinum. An AEMFC exhibiting a maximum power density of 241 mW cm-2 based on a palladium-based electrocatalyst has been developed. The polybenzimidazole- wrapped carbon nanotubes were used to anchor the palladium nanoparticles, and the material was doped using KOH to form an ideal triple-phase boundary structure around the palladium. The observed maximum power density is the highest among previously reported AEMFCs using palladium as the metal catalyst.

Original languageEnglish
Pages (from-to)400-405
Number of pages6
JournalChemPlusChem
Volume79
Issue number3
DOIs
Publication statusPublished - Jan 1 2014

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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