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  1. No Access

    Article

    Highly stretchable and conductive hybrid gel polymer electrolytes enabled by a dual cross-linking approach

    Gel polymer electrolytes (GPEs) have been intensively researched due to their good electrochemical and mechanical stabilities, compared to liquid electrolytes showing safety issues. Here, we prepare lithium-io...

    Seon Min Park, U Hyeok Choi in Macromolecular Research (2023)

  2. Article

    Open Access

    Ion-cluster-mediated ultrafast self-healable ionoconductors for reconfigurable electronics

    Implementing self-healing capabilities in a deformable platform is one of the critical challenges for achieving future wearable electronics with high durability and reliability. Conventional systems are mostly...

    Yong Min Kim, ** Han Kwon, Seonho Kim, U Hyeok Choi in Nature Communications (2022)

  3. Article

    Open Access

    Effect of chain flexibility on cell adhesion: Semi-flexible model-based analysis of cell adhesion to hydrogels

    Hydrogels have been developed and applied to various biomedical applications due to their biocompatibility. However, understanding of modulation between cells to hydrogel interface is still unclear, and parame...

    Jooyoung Lee, Boa Song, Ramesh Subbiah, Justin J. Chung, U Hyeok Choi in Scientific Reports (2019)

  4. Article

    Open Access

    Tuning anhydrous proton conduction in single-ion polymers by crystalline ion channels

    The synthesis of high-conductivity solid-state electrolyte materials with eliminated polarization loss is a great challenge. Here we show a promising potential of single-ion block copolymers with crystalline p...

    Onnuri Kim, Kyoungwook Kim, U. Hyeok Choi, Moon Jeong Park in Nature Communications (2018)

  5. No Access

    Article

    Ion Conduction, Dielectric and Mechanical Properties of Epoxy-Based Solid Polymer Electrolytes Containing Succinonitrile

    We use impedance spectroscopy to investigate ionic conduction and dielectric response and mechanical tests to study mechanical properties of cross-linked epoxy-based solid polymer electrolytes (SPEs) containin...

    U. Hyeok Choi, Byung Mun Jung in Macromolecular Research (2018)

  6. Article

    Open Access

    One-volt-driven superfast polymer actuators based on single-ion conductors

    The key challenges in the advancement of actuator technologies related to artificial muscles include fast-response time, low operation voltages and durability. Although several researchers have tackled these c...

    Onnuri Kim, Hoon Kim, U. Hyeok Choi, Moon Jeong Park in Nature Communications (2016)

  7. Article

    End-functionalized block copolymer electrolytes: effect of segregation strength on ion transport efficiency

    We report the synthesis, morphology and ion transport properties of poly(styrene-b-ethylene oxide) (PS-b-PEO) block copolymers with various end-functional groups. The PS-b-PEO having an –OH terminal group show...

    Gyuha Jo, Onnuri Kim, Hoon Kim, U Hyeok Choi, Sang-Bok Lee in Polymer Journal (2016)

  8. No Access

    Reference Work Entry In depth

    Mechanical and Electrical Properties of Ion-Containing Polymers

    U. Hyeok Choi, James Runt in Encyclopedia of Polymeric Nanomaterials (2015)

  9. No Access

    Reference Work Entry In depth

    Structures in Ion-Containing Polymers

    U. Hyeok Choi, James Runt in Encyclopedia of Polymeric Nanomaterials (2015)

  10. No Access

    Living Reference Work Entry In depth

    Structures in Ion-Containing Polymers

    U Hyeok Choi, James Runt in Encyclopedia of Polymeric Nanomaterials

  11. No Access

    Living Reference Work Entry In depth

    Mechanical and Electrical Properties of Ion-Containing Polymers

    U Hyeok Choi, James Runt in Encyclopedia of Polymeric Nanomaterials