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Engineering Spatiotemporally‐Resolved Hydrogen‐Bond Networks for Decoupled H+/Zn2+ Transport Toward Durable Low‐Temperature Aqueous Zinc‐Ion Batteries.

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Title: Engineering Spatiotemporally‐Resolved Hydrogen‐Bond Networks for Decoupled H+/Zn2+ Transport Toward Durable Low‐Temperature Aqueous Zinc‐Ion Batteries.
Authors: Tang, Xin1,2 (AUTHOR), Wang, Tianshi1 (AUTHOR), Zhou, Guolang1,2 (AUTHOR), Zhao, Chong1 (AUTHOR), Xu, Xinwang1 (AUTHOR), Liu, Cheng1,2 (AUTHOR), Tang, Chao1 (AUTHOR), Miao, Tengfei1 (AUTHOR), Cheng, Zhipeng1 (AUTHOR), Yan, Yubo1 (AUTHOR), Han, Qiaofeng2 (AUTHOR), Zhang, Lili1 (AUTHOR) zll@hytc.edu.cn, Zhu, Junwu2 (AUTHOR) zhujw@njust.edu.cn
Source: Advanced Energy Materials. 7/1/2026, Vol. 16 Issue 25, p1-14. 14p.
Subject Terms: *Aqueous electrolytes, *Proton conductivity, *Ion transport (Biology), *Zinc transporters, *Molecular interactions
Abstract: The performance of aqueous zinc‐ion batteries is limited by the coupled transport of protons (H+) and Zn2+ due to extensive hydrogen‐bond (H‐bond) networks in conventional electrolytes. To achieve the decoupling of this detrimental interplay, we establish a spatiotemporal H‐bond network regulation strategy via a meticulously designed choline chloride/glycerol‐based hydrated deep eutectic electrolyte (HDEE). Spatially, the HDEE reduces H‐bond network connectivity, decreasing average cluster size from 843 to 243 molecules, thereby weakening the long‐range pathways for Grotthuss proton hopping. Temporally, a system‐optimized H‐bond lifetime of 11.2 ps suppresses rapid H+ transfer while maintaining sufficient dynamic flexibility essential for Zn2+ solvation‐sheath reorganization. Such synergistic regulation further tailors the primary solvation structure of Zn2+, lowering its desolvation energy barrier. As a result, the HDEE effectively suppresses hydrogen evolution and corrosion, enabling uniform, dendrite‐ suppressed zinc deposition. The Zn//Zn symmetric cell achieves stable cycling for about 6400 hours at −25°C. Moreover, the Zn//I2 full battery retains 93.6% capacity after 20,000 cycles at 5 A g−1, accompanied by the effective suppression of the polyiodide shuttle effect. This work highlights network connectivity and H‐bond lifetime as useful descriptors for correlating H‐bond‐network characteristics with ion‐transport behavior, offering a promising design principle for advanced aqueous batteries. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 195038344
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Engineering Spatiotemporally‐Resolved Hydrogen‐Bond Networks for Decoupled H<superscript>+</superscript>/Zn<superscript>2+</superscript> Transport Toward Durable Low‐Temperature Aqueous Zinc‐Ion Batteries.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Tang%2C+Xin%22">Tang, Xin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Tianshi%22">Wang, Tianshi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Guolang%22">Zhou, Guolang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Chong%22">Zhao, Chong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Xinwang%22">Xu, Xinwang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Cheng%22">Liu, Cheng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Chao%22">Tang, Chao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Miao%2C+Tengfei%22">Miao, Tengfei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Zhipeng%22">Cheng, Zhipeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yan%2C+Yubo%22">Yan, Yubo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Qiaofeng%22">Han, Qiaofeng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Lili%22">Zhang, Lili</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zll@hytc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Junwu%22">Zhu, Junwu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zhujw@njust.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Advanced+Energy+Materials%22">Advanced Energy Materials</searchLink>. 7/1/2026, Vol. 16 Issue 25, p1-14. 14p.
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  Data: *<searchLink fieldCode="DE" term="%22Aqueous+electrolytes%22">Aqueous electrolytes</searchLink><br />*<searchLink fieldCode="DE" term="%22Proton+conductivity%22">Proton conductivity</searchLink><br />*<searchLink fieldCode="DE" term="%22Ion+transport+%28Biology%29%22">Ion transport (Biology)</searchLink><br />*<searchLink fieldCode="DE" term="%22Zinc+transporters%22">Zinc transporters</searchLink><br />*<searchLink fieldCode="DE" term="%22Molecular+interactions%22">Molecular interactions</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The performance of aqueous zinc‐ion batteries is limited by the coupled transport of protons (H+) and Zn2+ due to extensive hydrogen‐bond (H‐bond) networks in conventional electrolytes. To achieve the decoupling of this detrimental interplay, we establish a spatiotemporal H‐bond network regulation strategy via a meticulously designed choline chloride/glycerol‐based hydrated deep eutectic electrolyte (HDEE). Spatially, the HDEE reduces H‐bond network connectivity, decreasing average cluster size from 843 to 243 molecules, thereby weakening the long‐range pathways for Grotthuss proton hopping. Temporally, a system‐optimized H‐bond lifetime of 11.2 ps suppresses rapid H+ transfer while maintaining sufficient dynamic flexibility essential for Zn2+ solvation‐sheath reorganization. Such synergistic regulation further tailors the primary solvation structure of Zn2+, lowering its desolvation energy barrier. As a result, the HDEE effectively suppresses hydrogen evolution and corrosion, enabling uniform, dendrite‐ suppressed zinc deposition. The Zn//Zn symmetric cell achieves stable cycling for about 6400 hours at −25°C. Moreover, the Zn//I2 full battery retains 93.6% capacity after 20,000 cycles at 5 A g−1, accompanied by the effective suppression of the polyiodide shuttle effect. This work highlights network connectivity and H‐bond lifetime as useful descriptors for correlating H‐bond‐network characteristics with ion‐transport behavior, offering a promising design principle for advanced aqueous batteries. [ABSTRACT FROM AUTHOR]
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        Value: 10.1002/aenm.71050
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Aqueous electrolytes
        Type: general
      – SubjectFull: Proton conductivity
        Type: general
      – SubjectFull: Ion transport (Biology)
        Type: general
      – SubjectFull: Zinc transporters
        Type: general
      – SubjectFull: Molecular interactions
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    Titles:
      – TitleFull: Engineering Spatiotemporally‐Resolved Hydrogen‐Bond Networks for Decoupled H+/Zn2+ Transport Toward Durable Low‐Temperature Aqueous Zinc‐Ion Batteries.
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            NameFull: Tang, Xin
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            – D: 01
              M: 07
              Text: 7/1/2026
              Type: published
              Y: 2026
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