Related Experiment Video
Updated: Aug 6, 2026
09:38
Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies
Published on: January 3, 2018
Lanthanide Orbital Modulation Coupled With Entropy Increase Effect for Synergistically Enhanced Interfacial Stability
Chao Li1, Wenshuo Zhang1, Guangrui Zhang2
1Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Frontier Science Center for New Organic Matter, Haihe Laboratory of Sustainable Chemical Transformations, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, P. R. China.
Advanced Materials (Deerfield Beach, Fla.)
|July 21, 2026
Summary
Researchers developed a new solid-state electrolyte for lithium batteries using lanthanide elements. This strategy enhances ion transport and stability, improving battery performance and lifespan.
Area of Science:
- Materials Science
- Electrochemistry
- Solid-State Chemistry
Background:
- Developing solid-state electrolytes (SSEs) with high ionic conductivity and wide electrochemical windows is crucial for all-solid-state lithium batteries (ASSLBs).
- Existing SSEs face challenges in balancing ionic transport efficiency with electrochemical stability.
- Lanthanide elements offer unique electronic properties that can be leveraged for electrolyte design.
Purpose of the Study:
- To enhance ion transport and oxidation resistance in solid-state electrolytes for ASSLBs.
- To investigate the effects of multication mixing with lanthanide elements on Li3YCl6.
- To explore the synergy between configurational entropy increase and electronic structure regulation.
Main Methods:
- Utilized a multication mixing strategy incorporating lanthanide elements into Li3YCl6.
- Employed combined theoretical (e.g., DFT calculations) and experimental analyses.
- Fabricated and tested full ASSLB devices with the optimized electrolyte.
Main Results:
- The multication strategy increased configurational entropy, leading to local structural distortions that reduced Li+ migration energy barriers.
- Lanthanide elements regulated the electronic structure, stabilizing the chloride environment and enhancing oxidation resistance.
- The optimized electrolyte enabled ASSLBs to operate stably at 4.5 V, retaining 74.3% capacity after 800 cycles at 1C.
Conclusions:
- Multication mixing with lanthanides is an effective strategy for designing advanced SSEs.
- Entropy increase and electronic structure design are key factors for improving ionic conductivity and electrochemical stability.
- This approach offers a promising pathway for developing high-performance and durable ASSLBs.
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