A soft processible polyoxometalate-zwitterion eutectic electrolyte for superprotonic conduction.

Shengchao Chai, Ronglin Zhong, Liang Zhai, Haikun Guo, Xiang Li, Lixin Wu, Haolong Li

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Article in Fundamental research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1 citing paper in PubMed.

Stereospecific supramolecular polymerization of nanoclusters into ultra-long helical chains and enantiomer separation.Nature communications · 2024
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7 authors.

Shengchao ChaiState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

Ronglin ZhongState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

Liang ZhaiState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

Haikun GuoState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

Xiang LiState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

Lixin WuState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

Haolong LiState key laboratory of supramolecular structure and materials, College of Chemistry, Jilin University, Changchun 130012, China.

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No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Proton conductors are important for propelling the development of energy and electronic technologies. Polyoxometalates (POMs), as a class of crystalline solid superacids with nanocluster form and high proton conductivity, are intriguing candidates for this. However, the use of POMs as practical proton conductors is hindered by their low processability coming from inherent brittleness, and their humidity-dependent conductivity. Here, we report a deep eutectic strategy to convert brittle POM powders to soft processible electrolytes through supramolecular complexation with hydroxyl‑containing zwitterions. The resulting POM-zwitterion eutectics exhibit good malleability and high modulus over 1 MPa, promoting them easily processed into self-supporting eutectics. Due to the soft state and percolated hydrogen bonding networks, these eutectics can transport protons by both diffusing and hopping processes, that is, a Vehicle-Grotthuss synergistic mechanism, which enables them to show superprotonic conductivities up to 1.0 × 10

Indexed as

Eutectic electrolytesHybrid materialsPolyoxometalatesProton conductionZwitterions

Identifiers

PMID41466984

DOI10.1016/j.fmre.2023.09.003

PMCPMC12744652

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