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Thermally Stable Hydrocarbon-based Anion Exchange Membrane and Ionomers
RPI ID: 2020-073-602 / 2020-073-601 / 2020-073-201Innovation Summary:This suite of innovations introduces a class of hydrocarbon-based anion exchange membranes (AEMs) and ionomers that exhibit exceptional thermal and chemical stability. These materials are engineered with tailored polymer backbones and functional groups that maintain high ionic conductivity...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Chulsung Bae, Carrie Trant, SANGWOO LEE
Keywords(s): Anion Exchange Membranes, electrolyzers, Fuel Cell, Ionomers
Category(s): Energy, Environment and Smart Systems
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Alkaline anion exchange membranes derived from diphenylethylene and co-monomer feedstock.
RPI ID: 2019-015-401 / 2019-015-601 / 2019-015-602Innovation Summary:This suite of inventions introduces a new class of alkaline anion exchange membranes (AEMs) based on diphenylethylene and alkadiene copolymers. These membranes are engineered with tailored ionic spacing and a chemically robust backbone that avoids degradation-prone sites common in...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): SANGWOO LEE, Chulsung Bae, Musashi Briem, Sungmin Park
Keywords(s): Alkaline anion exchange membranes, electrolyzers, Fuel Cell, ion transports
Category(s): Energy, Environment and Smart Systems
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Photo-initiated Simultaneous Post-functionalization and Crosslinking of Epoxidized Styrene Diene Block Copolymers
RPI ID: 2018-028-201Innovation Summary:This invention provides a method for producing anion exchange membranes (AEMs) by chemically modifying polystyrene-block-polybutadiene-block-polystyrene (SBS) polymers. The process involves partial hydrogenation followed by epoxidation of the remaining double bonds, resulting in membranes with enhanced ionic conductivity...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Chulsung Bae, Chang Ryu, Ding Tian
Keywords(s): Clean Energy
Category(s): Nanotechnology and Advanced Materials
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Stable Quaternary Ammonium-containing Styrene Block Copolymer for Anion Exchange Membranes
RPI ID: 2015-006-401, 2015-006-601, 2015-006-602 Innovation Summary:This invention presents a class of anion exchange membranes (AEMs) made from functionalized styrene block copolymers. These polymers are engineered to possess high ion conductivity, thermal stability, and chemical resistance. A specific polymer formulation enables improved phase separation,...
Published: 7/21/2025
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Updated: 7/3/2025
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Inventor(s): Chulsung Bae, Angela Mohanty
Keywords(s): cellulose, Chemical Engineering, Chemistry, Industrial Engineering, Materials, Nanoparticle, Nanotechnology & Science, RTIL's, Wet Electrospinning
Category(s): Energy, Environment and Smart Systems
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