Novel fuel cell with nanocomposite functional layer designed by perovskite solar cell principle

Bin Zhu*, Yizhong Huang, Liangdong Fan, Ying Ma, Baoyuan Wang, Chen Xia, Muhammad Afzal, Bowei Zhang, Wenjing Dong, Hao Wang, Peter Lund

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

89 Citations (Scopus)

Abstract

A novel fuel-to-electricity conversion technology resembling a fuel cell has been developed based on the perovskite solar cell principle using a perovskite, e.g. La0.6Sr0.4Co0.2Fe0.8O3-δ and an ionic nanocomposite material as a core functional layer, sandwiched between n- and p-conducting layers. The conversion process makes use of semiconductor energy bands and junctions properties. The physical properties of the junction and alignment of the semiconductor energy band allow for direct ion transport and prevent internal electronic short-circuiting, while at the same time avoiding losses at distinct electrolyte/electrode interfaces typical to conventional fuel cells. The new device achieved a stable power output of 1080mWcm-2 at 550°C in converting hydrogen fuel into electricity.

Original languageEnglish
Pages (from-to)156-164
Number of pages9
JournalNano Energy
Volume19
DOIs
Publication statusPublished - 1 Jan 2016
MoE publication typeA1 Journal article-refereed

Keywords

  • Energy band and alignment
  • Fuel cell
  • N and p conducting layer
  • Perovskite solar cell
  • Semiconductor-ionic functional layer

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