High throughput screening of high entropy spinel electrolytes for multivalent batteries

Area of Science:

• Materials Science
• Electrochemistry
• Computational Chemistry

Background:

• High-entropy (HE) materials are gaining attention for advanced applications.
• Superionic conductors are crucial for next-generation energy storage.
• Developing stable multivalent superionic conductors remains a challenge.

Purpose of the Study:

• To computationally explore the synthesizability of high-entropy spinel-based electrolytes.
• To establish design principles for these novel materials.
• To validate computational predictions with experimental synthesis.

Main Methods:

• Computational screening of high-entropy spinel compositions.
• Analysis of chemical space for electrolyte synthesizability.
• Experimental synthesis and characterization of predicted stable electrolytes.

Main Results:

• Established design principles for high-entropy spinel electrolytes.
• Computational data predicted stability rules.
• Experimental synthesis validated the computational predictions.

Conclusions:

• High-entropy design is a viable strategy for discovering multivalent superionic conductors.
• Computational methods can effectively guide the search for stable HE spinel electrolytes.
• This work provides a foundation for developing advanced battery materials.