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A key structural constraint is the architecture\u2010imposed separation between hydrophilic sites, which prevents the formation of fully developed, continuous hydrogen\u2010bond networks and imposes a persistent bottleneck on proton transport. Here, we propose a site spacing reconstruction strategy to strengthen the hydrogen\u2010bond network and validate its effectiveness using a hydrogen\u2010bonded organic framework built from 1,3,5\u2010tris(4\u2010carboxyphenyl)benzene (HOF\u2010BTB) and its Na\n                    <jats:sup>+<\/jats:sup>\n                    \u2010modified analogue (Na\u2010HOF\u2010BTB) as a model system. Through electrostatic self\u2010assembly, strongly hydrophilic sites are introduced to shorten the intersite distance and convert long\u2010range water bridges into short\u2010range ones, thereby lowering the energetic barrier for hydrogen\u2010bond network formation. At 97% relative humidity, Na\u2010HOF\u2010BTB exhibits a markedly strengthened hydrogen\u2010bond network, leading to a substantial enhancement of proton conductivity relative to pristine HOF\u2010BTB. The Na\u2010HOF\u2010BTB device achieves a switching ratio of up to approximately 7000, corresponding to a 182\u2010fold improvement over the pristine HOF\u2010BTB device. We further show the generality of this strategy in other HOF systems and demonstrate their representative applications in fruit spoilage surveillance, health management, and pharmaceutical preservation. This work provides a new design principle for high\u2010performance proton\u2010conducting materials.\n                  <\/jats:p>","DOI":"10.1002\/anie.1106053","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T12:16:05Z","timestamp":1784117765000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Site Spacing Reconstruction Toward Perfect Hydrogen\u2010Bond Network for Fast Proton Transport"],"prefix":"10.1002","volume":"65","author":[{"given":"Yixiang","family":"Wang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Bioinspired Interfacial Materials Science School of Chemistry and Materials Science University of Science and Technology of China  Hefei Anhui China"},{"name":"State Key Laboratory of Bioinspired Interfacial Materials Science School of Nano Science and Technology Suzhou Institute for Advanced Research University of Science and Technology of China  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