Design Principles for Alloy-Anode-Based Low-Stack-Pressure Solid-State Batteries.

Yuping Huang, Zhe-Tao Sun, Xinyu Yu, Shiwei Chen, Chen Su, Jia Li, Shou-Hang Bo, Hong Zhu

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Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 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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5 · Who and what money

Authors and funding

8 authors.

Yuping HuangGlobal College, Shanghai Jiao Tong University, Shanghai, China.

Zhe-Tao SunGlobal College, Shanghai Jiao Tong University, Shanghai, China.

Xinyu YuGlobal College, Shanghai Jiao Tong University, Shanghai, China.

Shiwei ChenGlobal College, Shanghai Jiao Tong University, Shanghai, China.

Chen SuSchool of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China.

Jia LiGlobal College, Shanghai Jiao Tong University, Shanghai, China.

Shou-Hang BoFuture Battery Research Center, Global Institute of Future Technology, Shanghai Jiao Tong University, Shanghai, China.

Hong ZhuGlobal College, Shanghai Jiao Tong University, Shanghai, China.ORCID https://orcid.org/0000-0001-7919-5661

Funding

Materials Genome Initiative Center at Shanghai Jiao Tong UniversityNational Natural Science Foundation of China 22222204National Natural Science Foundation of China 52573251Science and Technology Commission of Shanghai Municipality 23DZ1200800

6 · The paper itself

Abstract

Solid-state batteries with Li alloy anodes offer enhanced safety and energy density. However, many studies still rely on high stack pressures, while low stack pressure operation is essential for practical application. This work establishes a general electro-chemo-mechanical framework that enables rational pairing of alloy anodes and solid electrolytes by predicting the critical stack pressure required for interfacial stability under practical operating conditions. Based on thermodynamic and mechanical factors, our findings identified three design principles for achieving low stack pressure: (1) applying highly conductive and mechanically compliant solid electrolytes; (2) using Li-rich and hard alloy anodes; and (3) optimizing external conditions through smooth interfaces, low applied current densities, and elevated temperatures. Experimental results demonstrate that the LiAl alloy paired with Li

Indexed as

design principleslow stack pressuresolid‐state batteries

Identifiers

PMID42544885

DOI10.1002/advs.76946

PMCPMC13430935

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