High-Voltage Solid-State Lithium Batteries: A Review of Electrolyte Design, Interface Engineering, and Future Perspectives

Yang Cheng; Liang Zi-Xin; Zhang Ming-Yun; Chen Ming-Zhe; Zhang Kai; Zhou Li-Min

doi:10.61558/2993-074X.3568

Journal of Electrochemistry ›› 2025, Vol. 31 ›› Issue (10) : 2515003 DOI: 10.61558/2993-074X.3568

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High-Voltage Solid-State Lithium Batteries: A Review of Electrolyte Design, Interface Engineering, and Future Perspectives

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Abstract

Solid-state lithium batteries have become a research hotspot in the field of large-scale energy storage due to their excellent safety performance. The development of high-voltage positive electrode materials matched with lithium metal anode have advanced the energy density of solid-state lithium batteries close to or even exceeding that of lithium batteries based on a liquid electrolyte, which is expected to be commercialized in the future. However, in high voltage conditions (> 4.3 V), the decomposition of electrolyte components, structural degradation, and interface side reactions significantly reduce battery performance and hinder its further development. This review summarizes the latest research progress of inorganic electrolytes, polymer electrolytes, and composite electrolytes in high-voltage solid-state lithium batteries. At the same time, the designs of high-voltage polymer gel electrolyte and high-voltage quasi solid-state electrolyte are introduced in detail. In addition, interface engineering is crucial for improving the overall performance of high-voltage solid-state batteries. Finally, we highlight the challenges faced by high-voltage solid-state lithium batteries and put forward our own views on future research directions. This review offers instructive insights into the advancement of high-voltage solid-state lithium batteries for large-scale energy storage applications.

Keywords

Solid-state lithium batteries / High-voltage / Solid-state electrolyte / Interface engineering

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Yang Cheng, Liang Zi-Xin, Zhang Ming-Yun, Chen Ming-Zhe, Zhang Kai, Zhou Li-Min. High-Voltage Solid-State Lithium Batteries: A Review of Electrolyte Design, Interface Engineering, and Future Perspectives. Journal of Electrochemistry, 2025, 31(10): 2515003 DOI:10.61558/2993-074X.3568

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Acknowledgements

This work was supported by the National Key R&D Program of China (2024YFA1211100), the National Natural Science Foundation of China (52301278, 22479080, 52202254, 92372001, 22393900, and 92372203), the Natural Science Foundation of Jiangsu Province (BK20230937, BK20220966), the Science and Technology Plans of Tianjin (23JCYBJC00170, 24JCJQJC00220, and 24ZXZSSS00390), and the Fundamental Research Funds for the Central Universities (020-63253167, 30922010708).

Conflicts of Interest

The authors declare no conflict of interests.

Data Availability

This review does not involve the use of primary data. All information is based on previously published studies.

Authors Contribution

Cheng Yang: Conceptualization, Writing - original draft. Zi-Xin Liang: Data curation, Formal analysis. Ming-Yun Zhang: Data curation, Visualization, Formal analysis. Ming-Zhe Chen: Validation, Writing - review & editing. Kai Zhang: Validation, Writing - review & editing. Li-Min Zhou: Conceptualization, Validation, Writing - review & editing.

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