High energy density quasi-solid-state lithium-ion batteries: dry electrode process and gel polymer electrolyte securing 4.5 V stable high-loading cathode technology

Key Points

• Stable performance at 4.5 V showcases the effectiveness of high-loading cathodes in quasi-solid-state lithium-ion batteries.
• The dry electrode process significantly enhances energy density while maintaining the structural integrity of the batteries.
• Implementation of gel polymer electrolytes provides improved ionic conductivity and safety compared to conventional liquid electrolytes.
• These advancements may enable longer-lasting battery systems for electric vehicles, portable electronics, and renewable energy storage.