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Yamato Transport and CJPT to study standardization and commercialization of cartridge batteries for battery swapping

Yamato Transport and Commercial Japan Partnership Technologies Corporation (CJPT) will begin studying the standardization and commercialization of replaceable and rechargeable cartridge batteries.

The introduction of commercial battery electric vehicles (BEVs) poses several challenges, including recharging times that are longer than refueling times for conventional gasoline and diesel vehicles, as well as increased logistics downtime (when vehicles and cargo are at a standstill) due to numerous vehicles recharging at or around the same time. The introduction of commercial BEVs is also expected to impose an increasing burden on society as a whole, such as by increasing peak electricity demand at business sites due to concentrated recharging by numerous non-operating vehicles.

To solve these issues, Yamato Transport and CJPT will begin studying the practical application of detachable and portable cartridge batteries based on their following merits.

  • Reduce the cost of BEV introduction: The cost can be reduced by limiting battery capacity and, thus, the total amount of batteries to match actual driving-range needs.

  • Reduce the recharging burden: The burden related to the installation of recharging infrastructure can be reduced.

  • Reduce logistics downtime: Battery replacement can reduce vehicle recharging time.

  • Level electricity demand: Replacement batteries can be recharged while vehicles are in operation, reducing peak electricity demand.


CJPT intends to advance plans for commercial BEVs powered by cartridge batteries. The company envisions that standardizing cartridge batteries and recharging systems for vehicles ranging from BEV mini-commercial vans to BEV light-duty trucks will reduce the cost of commercial BEVs and encourage their widespread use. As an energy-management solution, the company seeks to propose ways to achieve battery use that matches actual use requirements.

Meanwhile, Yamato Transport aims to build a green delivery eco-system that includes its transport and delivery partners by co-creating with communities a cartridge battery-based electricity utilization scheme. In addition to promoting the use of green power by eliminating the gap between renewable energy generation peaks and the timing of recharging commercial BEVs, the company also intends to study ways to increase the resilience of electric energy supply communities, such as by delivering cartridge batteries in times of disaster to areas where it is difficult to maintain electric power infrastructure.

The two companies are open to considering collaboration with new partners for the standardization and commercialization of cartridge batteries toward popularizing electrified vehicles.


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