Incorporation of Poly(vinyl alcohol) into an Inorganic Framework Based on Eu-Bonded Preyssler-Type Phosphotungstate for Enhanced Proton Conduction

Tsukasa Iwano; Sora Shirai; Chaoqi Chen; Zhewei Weng; Yuji Kikukawa; Satoshi Muratsugu; Mizuki Tada; Hiroshi Takatsu; Hiroshi Kageyama; Sayaka Uchida

doi:10.1021/acsapm.4c01069

journal article·2024-07-26

Incorporation of Poly(vinyl alcohol) into an Inorganic Framework Based on Eu-Bonded Preyssler-Type Phosphotungstate for Enhanced Proton Conduction

Tsukasa Iwano, Sora Shirai, Chaoqi Chen, Zhewei Weng, Yuji Kikukawa, Satoshi Muratsugu, Mizuki Tada, Hiroshi Takatsu, Hiroshi Kageyama, Sayaka Uchida

ACS Applied Polymer Materials· Volume 6· Issue 14

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Abstract

To construct an environmentally friendly crystalline proton conductor and establish a composition–structure–function relationship, polyoxometalate and poly(vinyl alcohol), an anionic metal-oxide cluster, and a polymer with hydroxyl groups, respectively, providing proton carriers and conduction pathways, were combined with a lanthanide ion with a large coordination sphere to trap water effectively. The crystalline composite exhibited a high proton conductivity of 8.3 × 10 –3 S cm –1 at 368 K and 75% relative humidity. We demonstrate the potential for achieving high performance under mild humidification with a simple polymer like poly(vinyl alcohol).

Source: openalex_inverted_index · Quality: baseline

Research context

Polymers Composites

OpenAlex topics: Polyoxometalates: Synthesis and Applications · Metal-Organic Frameworks: Synthesis and Applications · Covalent Organic Framework Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan

Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan

Department of Chemistry, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan

Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan

Research Center for Materials Science (RCMS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan

Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan

Funding

Japan Society for the Promotion of Science · Japan Science and Technology Agency

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