Marrying V5S8 and Sb2S3 for volume-tolerant and high-rate potassium-ion storage

Key Points

• This research aims to improve potassium-ion storage by addressing ion transport and volume changes in batteries.
• Develop a covalently bonded V5S8/Sb2S3 heterostructure.
• Evaluate its performance in potassium-ion battery applications.
• Analyze the effects of heterostructuring on ion transport and volume stability.
• The heterostructure shows enhanced ion transport capabilities.
• Significant reduction in volume fluctuations during operation.
• Higher charge-discharge rates compared to traditional materials.