Heme biomolecule as redox mediator and oxygen shuttle for efficient charging of lithium-oxygen batteries

Won Hee Ryu, Forrest S. Gittleson, Julianne M. Thomsen, Jinyang Li, Mark J. Schwab, Gary W Brudvig, André D. Taylor

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

One of the greatest challenges with lithium-oxygen batteries involves identifying catalysts that facilitate the growth and evolution of cathode species on an oxygen electrode. Heterogeneous solid catalysts cannot adequately address the problematic overpotentials when the surfaces become passivated. However, there exists a class of biomolecules which have been designed by nature to guide complex solution-based oxygen chemistries. Here, we show that the heme molecule, a common porphyrin cofactor in blood, can function as a soluble redox catalyst and oxygen shuttle for efficient oxygen evolution in non-aqueous Li-O2 batteries. The heme's oxygen binding capability facilitates battery recharge by accepting and releasing dissociated oxygen species while benefiting charge transfer with the cathode. We reveal the chemical change of heme redox molecules where synergy exists with the electrolyte species. This study brings focus to the rational design of solution-based catalysts and suggests a sustainable cross-link between biomolecules and advanced energy storage.

Original languageEnglish
Article number12925
JournalNature Communications
Volume7
DOIs
Publication statusPublished - Oct 19 2016

Fingerprint

Biomolecules
Heme
Lithium
Oxidation-Reduction
charging
electric batteries
lithium
Oxygen
oxygen
catalysts
Electrodes
Catalysts
Cathodes
cathodes
Molecules
Porphyrins
releasing
energy storage
porphyrins
Energy storage

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Heme biomolecule as redox mediator and oxygen shuttle for efficient charging of lithium-oxygen batteries. / Ryu, Won Hee; Gittleson, Forrest S.; Thomsen, Julianne M.; Li, Jinyang; Schwab, Mark J.; Brudvig, Gary W; Taylor, André D.

In: Nature Communications, Vol. 7, 12925, 19.10.2016.

Research output: Contribution to journalArticle

Ryu, Won Hee ; Gittleson, Forrest S. ; Thomsen, Julianne M. ; Li, Jinyang ; Schwab, Mark J. ; Brudvig, Gary W ; Taylor, André D. / Heme biomolecule as redox mediator and oxygen shuttle for efficient charging of lithium-oxygen batteries. In: Nature Communications. 2016 ; Vol. 7.
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