Development of a continuous hydrogen generator fueled by ammonia borane for portable fuel cell applications

Yongmin Kim, Yujong Kim, Shinyoung Yeo, Kibeom Kim, Katherine Jung-Eun Koh, Jung Eun Seo, Seock Jae Shin, Dae Ki Choi, Chang Won Yoon, SukWoo Nam

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Thermally-induced dehydrogenation from a mixture of ammonia borane (AB) and a chemical promoter, tetraethyleneglycol dimethylether (T4EGDE) (AB:T4EGDE = 79:21, wt%) has been demonstrated as an efficient method for hydrogen production at 85-145 °C. We further build on these prior results to create a continuous H2 generator fueled by solid AB beads. The as-developed H2 generator releases ca. 2 equiv of hydrogen autothermally during operation by utilizing excess heat produced from AB dehydrogenation without any external heater. A purifying system equipped with acidic filter materials is further utilized to remove gaseous byproducts other than hydrogen. The H 2 generator shows a rapid H2-release rate up to 3.3 l(H2) min-1 with fast load-following capability. The as-developed H2 generator is ultimately integrated with a commercial 200 We polymer electrolyte membrane fuel cell (PEMFC) to test its capability.

Original languageEnglish
Pages (from-to)170-178
Number of pages9
JournalJournal of Power Sources
Volume229
DOIs
Publication statusPublished - 2013 Jan 14
Externally publishedYes

Fingerprint

Boranes
boranes
Ammonia
fuel cells
Fuel cells
ammonia
Hydrogen
generators
hydrogen
Dehydrogenation
dehydrogenation
hydrogen production
Proton exchange membrane fuel cells (PEMFC)
Hydrogen production
heaters
beads
Byproducts
electrolytes
membranes
filters

Keywords

  • Ammonia borane
  • Continuous hydrogen generation
  • Polymer electrolyte membrane fuel cell
  • Solvent-mediated thermolysis

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Physical and Theoretical Chemistry

Cite this

Development of a continuous hydrogen generator fueled by ammonia borane for portable fuel cell applications. / Kim, Yongmin; Kim, Yujong; Yeo, Shinyoung; Kim, Kibeom; Jung-Eun Koh, Katherine; Seo, Jung Eun; Shin, Seock Jae; Choi, Dae Ki; Yoon, Chang Won; Nam, SukWoo.

In: Journal of Power Sources, Vol. 229, 14.01.2013, p. 170-178.

Research output: Contribution to journalArticle

Kim, Y, Kim, Y, Yeo, S, Kim, K, Jung-Eun Koh, K, Seo, JE, Shin, SJ, Choi, DK, Yoon, CW & Nam, S 2013, 'Development of a continuous hydrogen generator fueled by ammonia borane for portable fuel cell applications', Journal of Power Sources, vol. 229, pp. 170-178. https://doi.org/10.1016/j.jpowsour.2012.11.045
Kim, Yongmin ; Kim, Yujong ; Yeo, Shinyoung ; Kim, Kibeom ; Jung-Eun Koh, Katherine ; Seo, Jung Eun ; Shin, Seock Jae ; Choi, Dae Ki ; Yoon, Chang Won ; Nam, SukWoo. / Development of a continuous hydrogen generator fueled by ammonia borane for portable fuel cell applications. In: Journal of Power Sources. 2013 ; Vol. 229. pp. 170-178.
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