Geely has unveiled its latest-generation ‘short blade’ lithium iron phosphate battery dubbed Aegis, which boasts of energy density of 192 Wh per kg along with host of improvements over the manufacturer’s existing battery technology in terms of safety, charging cycle life, fast-charging capability and low-temperature performance.goes on sale in China later this year, and the electric SUV will feature in battery packs with capacities of 49.52 kWh and 60.
This short-blade battery has achieved 10-80% charging in 17 minutes and four seconds at a rate of 2.45C, compared to a long-blade battery that takes 26 minutes for the same measure, averaging 1.61C. In cold-temperature testing at -30 degrees Celsius, the new battery attained 90.54% of capacity retention, while long-blade batteries retained 78.96% of their capacity.
The Aegis battery to several rigourous tests, including exposure to fire at up to 1,000 degrees Celsius for 130 seconds, corrosion testing by immersion in seawater for 48 hours, repeated underbody impact tests, cold weather testing at -35 degrees Celsius at an equivalent 5,000 m of elevation for eight hours, and a rolling crush test with 26 tonnes of weight, carried out by the China Automotive Centre.