Charge-delocalized electrolyte

Durable at high voltage

Constructs a fast dynamic interface in high-voltage lithium metal batteries via charge-delocalized solvent design, alleviating oxide cathode collapse and transition metal crossover.

Jianwei, Wang · Kai, He · Li, Shuangjiang · Zipeng, Sun · Zhipeng, Yin · Kaijie, Miao · Yaoxin, Li · Ma, Chengwei · Zhou, Jiangqi

Advanced Functional Materials 2026

Specifications

Capacity retention

{'zh': '72.64', 'en': '72.64'} %

Capacity retention (high mass loading)

{'zh': '86.33', 'en': '86.33'} %

Advantages

Stable at high voltage

Retains 72.64% capacity after 400 cycles at 4.6 V, showing the electrolyte suppresses cathode collapse and crossover.

Works at high loading

At 18.4 mg cm⁻² loading, 86.33% capacity retention after 70 cycles demonstrates practical viability.

Applications

• High-voltage lithium metal batteries：Use as electrolyte to enable long cycling in high-voltage LMBs.
• High-energy-density energy storage：Pairs high-voltage cathodes with Li metal anode to boost energy density.
• Battery electrolyte：Replaces conventional carbonate electrolytes to solve high-voltage failure.