Energy Decarbonization via Green H2 or NH3?

Simson Wu, Nicholas Salmon, Molly Meng Jung Li, René Bañares-Alcántara, Shik Chi Edman Tsang

Research output: Journal article publicationReview articleAcademic researchpeer-review

58 Citations (Scopus)


Due to the global need to decarbonize, it is increasingly clear that we are heading toward a new era of massive renewable energy generation and utilization to substitute fossil fuels. However, pragmatic means for renewable energy storage, transportation, and utilization at a very large scale are not yet fully developed and require careful scrutiny. In this Focus Review, we will consider the thermodynamics, kinetic barriers, material challenges, current science and technology readiness, and geographical locations for green hydrogen versus green ammonia as energy vectors for suitable sustainability of our future economy.

Original languageEnglish
Pages (from-to)1021-1033
Number of pages13
JournalACS Energy Letters
Issue number3
Publication statusPublished - 11 Mar 2022

ASJC Scopus subject areas

  • Chemistry (miscellaneous)
  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Materials Chemistry


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