This may contribute to addressing the problem of limited flight time for drones and electric aircraft with the ability to take off and land vertically, according to the “interestingengineering” website.
This type of battery was developed by a joint team that includes researchers from the Tianmushan Laboratory and Tsinghua University, using a new electrolyte additive specifically designed to protect both electrodes.
This research addresses issues of stability, operational cycle life, and safety; These are challenges that have limited the commercial use of high-energy lithium metal batteries.
Lithium metal is a higher capacity alternative, but it poses significant technical challenges. Decomposition of the electrolyte solution can occur under high-voltage operating conditions.
Needle-like formations of lithium known as “dendrites” or “dendrites” can grow on the anode.
The Chinese team tested its electrolyte design in “Bouch” type cells with a capacity of 10 ampere-hours, equipped with three-component nickel-rich positive electrodes (cathodes).
These cells achieved a power density of 550.7 Wh/kg, while retaining 80% of their original capacity after 180 charge and discharge cycles.
When the researchers coupled the lithium anode with a manganese-rich, lithium-based cathode, the reversible specific energy rose to 602.5 watt-hours/kg.
According to the announced results, this represents an improvement of more than 50% compared to currently available mainstream power batteries. (Erm News)
