Evidence map›Paper›PMID 41622905›Full record

ArticleAngewandte Chemie (International ed. in English)2026

Proton Tautomerism for Anhydrous Superprotonic Conduction in 1,2,3-Triazolium Dihydrogen Phosphate Crystal.

Kaito Nishioka, Shun Dekura, Tomoko Fujino, Motohiro Mizuno, Reiji Kumai, Bo Thomsen, Motoyuki Shiga, Yuta Hori, Yasuteru Shigeta, Hatsumi Mori

Abstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Kaito NishiokaThe Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.
Shun DekuraThe Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.
Tomoko FujinoThe Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.
Motohiro MizunoNanomaterials Research Institute, Kanazawa University, Kanazawa, Ishikawa, Japan.
Reiji KumaiGraduate University for Advanced Studies, SOKENDAI, Tsukuba, Japan.
Bo ThomsenCenter For Computational Science & e-Systems, Japan Atomic Energy Agency, Chiba, Japan.
Motoyuki ShigaCenter For Computational Science & e-Systems, Japan Atomic Energy Agency, Chiba, Japan.
Yuta HoriCenter for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.
Yasuteru ShigetaCenter for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.
Hatsumi MoriThe Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.ORCID https://orcid.org/0000-0003-4214-3010

Funding

Fellowship for Integrated Materials Science and Career Development and by JST SPRING JPMJSP2108JSPS Core-to-Core Program JPJSCCA20240001JSPS Grants-in-Aid for Scientific Research JP18H05225JSPS Grants-in-Aid for Scientific Research JP20K15240JSPS Grants-in-Aid for Scientific Research JP21K18597JSPS Grants-in-Aid for Scientific Research JP22H00106JSPS Grants-in-Aid for Scientific Research JP23K13715MEXT Grants-in-Aid for Scientific Research on Innovative Areas "Hydrogenomics" JP18H05516Nanotechnology Platform Program <Molecule and Material Synthesis> JPMXP09S21MS1085
6 · The paper itself

Abstract

Proton dynamics within molecular organic solids are crucial for energy-related technologies. Proton conductors for use as solid electrolytes in hydrogen fuel cells have been developed, elucidating the higher proton transport mechanism and establishing design guidelines for higher conduction. Many anhydrous proton conductors for proton transport utilizing molecular motion in solids have been studied; however, low-barrier conduction is challenging. In this study, we addressed proton tautomerism as a new guideline for proton conduction, rather than molecular motion. The key to facilitating low-barrier conduction is proton transport without molecular motion via dynamic interconversion between multiple tautomers. We demonstrated the effectiveness of proton-tautomerism strategy in 1,2,3-triazole dihydrogen phosphate crystal, which exhibited low-barrier, isotropic superprotonic conductivity exceeding 10

Indexed as

acid–base single crystalanhydrous proton conductionhydrogen‐bondisotropic superprotonic conductionproton tautomerism

Identifiers

PMID41622905
PMCPMC12970496

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.