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Akasol equips commercial vehicles with new battery system

Akasol building

Akasol has revealed a cylindrical-cells battery pack with an energy density of 221 watt hours per kg (Wh/kg). First customer application trials set for the end of 2018.

The new battery system has a long life-time and enables long distance journeys for commercial vehicles such as coaches, buses and trucks.

This high-energy battery system with 40 kWh uses cylindrical-cell battery modules with very high energy density of approximately 221 Wh/kg. AKAModule 60 CYC has a modular and compact structure, which fits the PHEV2 standard module with cylindrical battery cells of type 21700. The 2,66-kWh battery module offers a power density of up to 433 W/kg and high cycle stability in comparison to other high-energy solutions (1,500-3,000 operative cycles).

This new technology will allow electric vehicles to increase their range by more than 60%.

Both the high-performance battery systems with prismatic cells that are already available and the new high-energy battery systems operate with standardised liquid cooling that does not require exotic chemicals. Akasol works with a standard water-glycol-mix that is widely used in the automotive industry worldwide. Therefore, it is not complicated to integrate and validate the necessary components for storing and circulating the cooling agent within the vehicle’s architecture.

Stephen Raiser, co-founder and head of development at Akasol: “Our new cylindrical-cells battery module allows coaches, city buses and trucks to operate reliably on long distance journeys. Since the driving range of those vehicles increases significantly, the need for charging stations will decrease considerably for many applications. Demand and customer interest in our different solutions is high, which shows that the market is developing rapidly and that requirements on battery systems for commercial vehicles vary a lot. We enjoy applying our many years of experience to finding individual solutions for our clients.”

Akasol offers two more lithium-ion battery systems: AKASYSTEM 15 OEM 37 PRC and AKASYSTEM 15 OEM 50 PRC. The former is a similar model to the one used in electric bus Citaro by Daimler’s subsidiary EvoBus. It has a PHEV2 standard module with high power density (up to 870 W/kg) based on prismatic lithium-ion cells.

The latter will be available from the end of next year. AKASYSTEM 15 OEM 50 PRC uses the next generation of battery modules with high power density (up to 833 W/kg) and significantly higher energy density (approximately up to 183 Wh/kg) based on prismatic lithium-ion cells. This battery system will allow EVs to increase their range by up to 35%.

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