Battery pack prototype no. 1 developed in-house by Doosan Infracore (far right)
It is configured with control and protection systems, such as a battery module (far left) that bundles a certain number of batteries in cell units into a frame, a battery management system (BMS) (middle), and a cooling system.
Doosan Infracore announced on May 10 that it manufactured the battery pack prototype no. 1 that it developed in-house. The prototype is expected to help Doosan Infracore accelerate its battery pack business and motorized product development.
A battery pack is the final form of the battery system mounted on motorized machines. It is configured with control and protection systems, such as a battery module that bundles a certain number of batteries in cell units into a frame, a battery management system (BMS), and a cooling system.
Doosan Infracore’s battery pack has the advantage of flexible design specifically for unit voltage and capacity by combining standardized cylindrical battery cells. Moreover, the BMS has applied the standardized and shared design to enable battery pack configuration with up to 32 modules regardless of parallel or serial connection. The battery cell features improved energy density and stability by using the structural adhesive physically and wire bonding electrically.
Doosan Infracore has been developing battery packs after completing the feasibility review of the electric powerpack business last year. Having developed the prototype, it plans to manufacture the initial 1.7-ton electric excavator product with the battery pack after testing it while mounted on actual equipment.
“The battery pack can be mounted on all electrically driven machines, such as construction machines, agricultural machines, and golf carts. We have set an annual sales target of 500 billion won or more in the battery pack business by 2030,” a Doosan Infracore official said.
Earlier, Doosan Infracore successfully developed the mild hybrid powertrain technology, a middle step between the internal engine and the motor drive. The hybrid powertrain adds electric motors and batteries to the internal combustion engine to offer power ignition, improved fuel rating and output, and reduced carbon emission. Doosan Infracore’s 48V Mild Hybrid Powertrain was selected as a notable new product for 2020 by Diesel Progress, the leading magazine for engines.
“We are Korea’s best engine manufacturer that has developed engines for vehicles, ships, industrial machines, and military machines and for export to Europe including Germany, the leader in engines, and China. We intend to become the leader in the global engine market by accelerating the development of hybrid powertrain and developing electrical drive technologies in this great paradigm shift of internal engines,” said Doosan Infracore CEO Sohn Dong-yeon. <End>
