Home Offshore Energy LG Energy Solution to apply cell-to-pack method to high-nickel batteries

LG Energy Solution to apply cell-to-pack method to high-nickel batteries

LG Energy Solution’s Daejeon Research Center

LG Energy Solution will apply cell-to-pack (CTP) technology to high-nickel pouch-type batteries for the first time in the battery industry.

Choi Seung-don, executive director of LG Energy Solution’s Automotive Battery Development Center, announced this plan at KABC 2022, a rechargeable battery conference held at the Science and Technology Center in Gangnam, Seoul on Sept. 20.

Generally, EV batteries are composed of cells, modules and a pack. A module consist of 10 to 20 cells, and eight to 40 modules are bundled to form one final battery pack. The CTP technology removes the intermediate step of modules, thus enhancing energy density of a battery pack and reducing process steps, the number of parts used and production costs.

Global battery producers are focusing on CTP technology. China’s CATL, the world’s largest battery maker, is set to commercialize CTP technology. CATL mainly produces lithium phosphate and iron (LFP) batteries, whose production cost is 14 percent lower than that of ternary batteries. But LFP batteries’ energy density is low, so their mileage is short and their weight is heavy. But CTP technology can address this problem. At the China Electric Vehicle Forum in March, CATL announced a plan to mass-produce Kirin batteries with CTP technology in 2023.

LG Energy Solution plans to boost its market competitiveness by applying the CTP process to a high-nickel pouch type battery for the first time in the industry.

Ternary batteries such as nickel-cobalt-manganese (NCM) batteries are lighter and more efficient than LFP batteries.

Source: BusinessKorea

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