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Updated: Aug 6, 2026
07:13
High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia (YSZ) Scaffolds by In Situ Carbon Templating Xerogels
Published on: April 16, 2017
New High-Entropy Zirconium-Based Solid-State Electrolyte: Balancing High Conductivity and High Voltage
Qingtao Wang1, Pengfei Du1, Zhenyang Shen1
1Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, China.
Small (Weinheim an Der Bergstrasse, Germany)
|July 21, 2026
Summary
High-entropy design enhances solid-state electrolytes (SSEs) for all-solid-state batteries (ASSBs). Modified lithium zirconate chloride achieved high ionic conductivity and stability, enabling stable battery performance.
Area of Science:
- Materials Science
- Electrochemistry
- Solid-State Chemistry
Background:
- Solid-state electrolytes (SSEs) are crucial for developing safer and more efficient all-solid-state batteries (ASSBs).
- Chloride-based SSEs often face trade-offs between ionic conductivity and electrochemical stability.
- Developing novel SSEs with enhanced properties is essential for next-generation energy storage.
Purpose of the Study:
- To investigate the effect of high-entropy strategy on Li2ZrCl6 (LZC) structural phases for SSE applications.
- To achieve high ionic conductivity and electrochemical stability in chloride-based SSEs.
- To explore the structure-property relationships in entropy-modified LZC for ASSBs.
Main Methods:
- High-entropy modification of Li2ZrCl6 to create low-crystallinity (lc-) and high-crystallinity (hc-) forms.
- Characterization of ionic conductivity and electrochemical stability of the modified SSEs.
- Fabrication and testing of a full ASSB cell using the developed SSEs.
Main Results:
- Achieved high ionic conductivities of 1.0 mS cm⁻¹ (lc-LZC) and 0.968 mS cm⁻¹ (hc-LZC) at 25°C.
- Maintained excellent oxidation potential exceeding 4.6 V (vs. Li⁺/Li).
- Demonstrated outstanding rate performance and long-term stability (80% capacity retention after 1600 cycles at 5C) in a full cell.
Conclusions:
- High-entropy design effectively tunes SSE properties across different crystalline states.
- Entropy-driven amorphization (lc-LZC) and lattice optimization (hc-LZC) enhance Li⁺ migration.
- This approach offers a promising strategy for developing advanced SSEs for high-performance ASSBs.
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