DataVXACS Energy LettersPaper
journal article·2026-06-12

Sulfur-Doped Li 2 OHCl Antiperovskite Electrolyte for Stabilizing the Solid Electrolyte Interphase in Solid-State Lithium-Metal Batteries

Liyuan Qian, Yu Ye, Diancheng Chen, Dixing Ni, Haibin Lin, Xiaofei Wang, Liusuo Wu, Songbai Han, Jinlong Zhu, Yusheng Zhao

ACS Energy Letters· Volume 11· Issue 6
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Source abstract

Abstract

The development of solid-state lithium-metal batteries is hindered by interfacial instability at the Li metal–electrolyte interface and limited Li + transport in inorganic electrolytes. Lithium-rich antiperovskites such as Li 2 OHCl are promising but suffer from unclear SEI chemistry and insufficient ionic conductivity. Herein, sulfur doping is introduced for the first time as a targeted strategy to engineer both the bulk structure and interfacial behavior of Li 2 OHCl. Partial substitution of O 2– with S 2– induces a transformation from orthorhombic to cubic structure, accompanied by lattice distortion and weakened Li–S bonding, which collectively reduce the Li + migration barrier and enhance ionic conductivity. Furthermore, sulfur doping drives the formation of a Li 2 S-rich solid electrolyte interphase at the Li 2 OHCl/Li interface, enabling homogenized Li + flux and effective suppression of lithium dendrite nucleation. This work provides a general heteroatom-doping strategy to optimize both bulk and interfacial characteristics in LiRAP electrolytes for advanced solid-state batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Advanced Battery Materials and Technologies · Thermal Expansion and Ionic Conductivity · Advancements in Battery Materials

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

Affiliations

Shenzhen Key Laboratory of Solid State Batteries & Guangdong Provincial Key Laboratory of Energy Materials for Electric Power & Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices & Institute of Major Scientific Facilities for New Materials & Academy for Advanced Interdisciplinary Studies

Southern University of Science and Technology

High Performance Computing Department

National Supercomputing Center in Shenzhen

Department of Physics & State Key Laboratory of Quantum Functional Materials & Guangdong Basic Research Center of Excellence for Quantum Science

Ningbo Key Laboratory of All-Solid-State Battery, Eastern Institute for Advanced Study

Eastern Institute of Technology

Funding

Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · Shenzhen Key Laboratory of Solid State Batteries · Guangdong Province · Guangdong Provincial Key Laboratory of Energy Materials for Electric Power · Guangdong- Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices · Shenzhen Science and Technology Program

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