VFBATTERY REPORT

Anode

Pages 37–40 (4 pages)

Battery Report 2020, page 39: Anode
Text on page 39

6. Anode: Improving graphite anode rate capability Black phosphorus-graphite composite anode with thin polyaniline polymer gel coating forms a stable SEI and demonstrates excellent capacity, rate, and cycle life.

The covalently bonded black phosphorus graphite interface prevents edge reconstruction and ensures fast Li+ entry/exit Thin polyaniline polymer gel coating prevents continued formation and inhibits buildup of less conductive Li fluorides and carbonates The electrode design is a major benefit to current Li-ion chemistry and we expect to see it on the manufacturing line soon.

*Source: Science Research Group: Dr. Xiangfeng Duan, UCLA; Dr. Hengxing Ji, University of Science and Technology of China

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