Search Results - chulsung+bae

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Preparation of ion exchange polymers based on polyolefins and polycycloolefins using acid catalyst
RPI ID: 2019-016-401 Innovation Summary: This invention introduces a new class of ion-exchange membranes synthesized from olefin/norbornene copolymers with tunable rigidity. By incorporating haloalkyl side chains via Friedel-Crafts alkylation and subsequently replacing halides with ionic groups, the membranes achieve superior ion conductivity and chemical...
Published: 3/10/2026   |   Inventor(s): Jong Yeob Jeon, Chulsung Bae
Keywords(s): Clean Energy, Electrochemistry, Ionic materials, Polymers
Category(s): Energy, Environment and Smart Systems
Improvement on Proton Exchange Membrane Fuel Cell (PEMFC) Technology
Invention SummaryThe invention is a development of proton-conductive polymers for proton exchange membrane fuel cell (PEMFC) technology. PEMFC—the most widely used of all existing fuel cell technologies—gives very high power density, and has the advantage of low weight and volume compared with other fuel cells. The technology relates to...
Published: 1/3/2023   |   Inventor(s): Chulsung Bae
Keywords(s): Chemistry, Energy & Environment - Renewable Energy
Category(s): All, Technology Classifications > Chemistry, Technology Classifications > Engineering & Manufacturing
Improvement on Proton Exchange Membrane Fuel Cell (PEMFC) Technology
Invention SummaryThe invention is a development of proton-conductive polymers for proton exchange membrane fuel cell (PEMFC) technology. PEMFC—the most widely used of all existing fuel cell technologies—gives very high power density, and has the advantage of low weight and volume compared with other fuel cells. The technology relates to...
Published: 6/12/2015   |   Inventor(s): Chulsung Bae
Keywords(s): Chemistry, Renewable Energy
Category(s): All, Chemistry, Engineering & Manufacturing
Modification of Polymers Having Pendant Aromatic Groups through Formation of Boronic Ester Groups
Invention Summary The invention relates to the modification of polymers having aromatic groups through formation of boronic ester groups. Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental to biological structure and function. Polymers which contain aromatic groups...
Published: 6/12/2015   |   Inventor(s): Chulsung Bae
Keywords(s):  
Category(s): All, Chemistry