Ultra-High Proton/Vanadium Selectivity for Hydrophobic Polymer Membranes with Intrinsic Nanopores for Redox Flow Battery

Hydrophobic polymers of intrinsic microporosity (PIM‐1) are successfully demonstrated as proton conducting separators in the all‐vanadium redox flow battery with the unprecedented infinite proton/vanadium selectivity. A battery fabricated with a nanocomposite comprising a microporous support membran...

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Veröffentlicht in:	Advanced energy materials 2016-08, Vol.6 (16), p.np-n/a
Hauptverfasser:	Chae, Il Seok, Luo, Tao, Moon, Gi Hyeon, Ogieglo, Wojciech, Kang, Yong Soo, Wessling, Matthias
Format:	Artikel
Sprache:	eng
Schlagworte:	Conducting polymers Membranes Nanocomposites polymers Porosity Powder injection molding proton conductors Rechargeable batteries redox flow batteries Selectivity Vanadium
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Beschreibung
Zusammenfassung:	Hydrophobic polymers of intrinsic microporosity (PIM‐1) are successfully demonstrated as proton conducting separators in the all‐vanadium redox flow battery with the unprecedented infinite proton/vanadium selectivity. A battery fabricated with a nanocomposite comprising a microporous support membrane and nanometer‐thick selective PIM layer shows an energy efficiency of up to nearly 99%, while it is also stable during 100 cycles in cyclic performance.
ISSN:	1614-6832 1614-6840
DOI:	10.1002/aenm.201600517