Intermolecular Hydrogen-Bond Network Boosts Lithium-Bonding Kinetics in Solid-State Lithium Metal Batteries

Yuan Kun Hong; Zihang Wang; Ziping Wu; Xin Hu; Xun Jian Hu; Xiang Lu; Yin Yan Hu; Xiao Ming Xu; Zhengkun Xie; Xin Wang; Ting Liu; Xianbin Liu; Bao Yu Xia

doi:10.1021/acsnano.5c19286

journal article·2026-01-13

Intermolecular Hydrogen-Bond Network Boosts Lithium-Bonding Kinetics in Solid-State Lithium Metal Batteries

Yuan Kun Hong, Zihang Wang, Ziping Wu, Xin Hu, Xun Jian Hu, Xiang Lu, Yin Yan Hu, Xiao Ming Xu, Zhengkun Xie, Xin Wang, Ting Liu, Xianbin Liu, Bao Yu Xia

ACS Nano· Volume 20· Issue 1

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Source abstract

Abstract

Gel polymer electrolytes (GPEs) suffer from limitations such as low ionic conductivity, low lithium-ion transference number, and susceptibility to dendrite growth, hindering their widespread adoption in lithium metal batteries (LMBs). This work introduces an approach to enhance lithium-bonding kinetics by introduction of hydrogen bonds in GPE. The obtained weak intermolecular bonds eliminated the active hydrogen and controlled cross-linking of the GPE, which offered more ion transfer channels and a low ionic diffusion barrier and promoted coordination interaction. The resulting GPE achieves a high ionic conductivity of 10.57 × 10 –4 S cm –1 and a transference number of 0.609. Furthermore, the free TFSI – anion generated LiF-rich solid electrolyte interfaces (SEIs) with a satisfactory Young’s modulus of 3.2 GPa, effectively guiding lithium-ion plating/stripping without dendrite formation. Notably, the incorporation of weak hydrogen bonding enables exceptional cycling stability in full cells by utilizing a LiFePO 4 cathode. The cells demonstrate a high specific capacity of ∼102.3 mA h g –1 even after 1000 cycles at 3 C. This work highlights the impact of hydrogen bonding on regulating ion transport and SEI formation in LMBs, thereby facilitating the advancement of high-performance solid-state batteries.

Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage Polymers

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Coordination Chemistry and Organometallics

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

Affiliations

Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology (JXUST), 86 Hongqi Road, Ganzhou 341000, China

State Key Laboratory of New Textile Materials and Advanced Processing, Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan 430074, China

Jiangxi Anchi New Energy Technology Co., Ltd, 128 Xingye Avenue, Shangrao 334000, China

College of Chemistry, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan 450001, China

Yuyao Innovation Institute

Zhejiang Wanli University

Center for Next-Generation Energy Materials, School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea

Funding

National Key Research and Development Program of China · Huazhong University of Science and Technology · National Natural Science Foundation of China · Suzhou Laboratory

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