SK on announced on the 10th that they will mass-produce the world's first ‘9-1/2-1/2 Battery(or ‘Nine half half’)', which is considered to be the best specification for mid- to large-sized lithium-ion batteries, from next month. 9-1/2-1/2 batteries are called 'dream batteries' with higher performance and lower prices. EcoProBM, a cathode material supplier to SK on, started mass production of ternary system (NCM) cathode materials for 9-1/2-1/2 in the third quarter of this year, and started supplying them to SK on from this month. SK on entered the final inspection for commercial mass production of batteries. They will start producing finished products at their plant 1 in the U.S. from next month. After that, all production will be installed in Ford's electric vehicle model, 'F-150 Lightning', which will be released in the first half of next year. If all goes as planned, Ford will have the most energy-dense battery among electric vehicles.
In lithium-ion batteries, the higher the nickel content, the higher the energy density and the greater the space utilization. The mileage per charge is also improved. 9-1/2-1/2 batteries also have the advantage of reducing the cobalt content, which increases the price of raw materials. The price of cobalt raw material is trading at $56,240 per ton, up 70% this month from $33,000 per ton in January this year. However, it was difficult to guarantee safety as the battery energy density increased.
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