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

Chae Il Seok | Zendy; Luo Tao | Zendy; Moon Gi Hyeon | Zendy; Ogieglo Wojciech | Zendy; Kang Yong Soo | Zendy; Wessling Matthias | Zendy

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

Author(s) -

Chae Il Seok,

Luo Tao,

Moon Gi Hyeon,

Ogieglo Wojciech,

Kang Yong Soo,

Wessling Matthias

Publication year - 2016

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201600517

Subject(s) - vanadium , flow battery , microporous material , materials science , redox , battery (electricity) , polymer , membrane , selectivity , nanotechnology , proton , energy storage , chemical engineering , organic chemistry , chemistry , composite material , thermodynamics , physics , power (physics) , biochemistry , quantum mechanics , engineering , metallurgy , catalysis

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.

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