Part 4/8:
Tesla and Freightliner are confirmed to utilize nickel-cobalt-manganese (NMC) batteries, while the battery composition for Volvo trucks remains unverified. This raises questions about the mechanics of charging and battery thermal management, particularly for Tesla trucks which employ proprietary megawatt charging equipment capable of delivering 750 kilowatts.
Charging Infrastructure Insights
Charging data revealed significant variances among operations:
Tesla Semi: Charged quickly, averaging about 650 kW from a low SOC to 80% before tapering off.
Freightliner: Operated with charging rates between 100 to 150 kW, ensuring good performance.
Volvo VNR Electric: Showed a remarkable ability to charge beyond rated capacities, surpassing 200 kW briefly.