Radiative intensity regulation to match energy conversion on demand in solar methane dry reforming to improve solar to fuel conversion efficiency

  • Xuhang Shi
  • , Jintao Song
  • , Ziming Cheng
  • , Huaxu Liang
  • , Yan Dong
  • , Wang Fuqiang*
  • , Wenjing Zhang
  • *Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The mismatch between radiative intensity field and energy required for solar thermochemical reaction can cause serious heat waste and reduce energy conversion efficiency. To improve the energy conversion efficiency of solar to fuel, the radiative intensity regulation method to match energy conversion on demand in solar methane dry reforming is proposed by this study. The design of solar spots and biomimetic leaf hierarchical porous structures is investigated and optimized, which can realize a better radiative intensity field matching. The experimental and numerical studies show that, by regulating radiative intensity field to match energy conversion on-demand in solar thermochemical reactor, the methane conversion rate and solar thermochemical energy storage efficiency can be increased by 4.6% and 6.1%, respectively. The ideal synergy between real temperature field distribution and theoretical temperature requirement is perfectly achieved.
Original languageEnglish
JournalRenewable Energy
Volume207
Pages (from-to)436-446
Number of pages11
ISSN0960-1481
DOIs
Publication statusPublished - 2023

Keywords

  • Solar to fuel
  • Methane dry reforming
  • Radiative transfer
  • Solar energy
  • Biomimetic
  • Energy conversion matching

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