Recently, the Ma Yanwei team of the Institute of Electrical Engineering of the Chinese Academy of Sciences has successfully broken through the technical bottleneck of a soft-pack battery with black phosphorus as the negative electrode and lithium iron phosphate as the positive electrode, with an energy density of 282 watt-hours/kg.
The battery can be charged to 80% of the theoretical capacity in only 10 minutes under high-rate charging conditions, and can still operate stably after thousands of charge-discharge cycles, showing excellent durability of fast charge cycles. It provides key support
for the iterative upgrading of fast-charging power batteries, grid energy storage and special high-rate energy storage equipment in China.
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