With the gradual rollout of megawatt charging, Common Motors seems to be exploring an alternate strategy to expedite charging for electrical business automobiles. This idea is printed in a patent printed by the USA Patent and Trademark Workplace (USPTO) on November 26, 2024, following an preliminary submitting by GM about two years prior. The doc factors out that medium-duty and heavy-duty electrical automobiles necessitate giant battery packs, which may be time-consuming to cost with standard strategies.
GM’s proposed technique includes equipping automobiles with a number of charging ports and subdividing battery packs into smaller “subpacks.” These subpacks may be related in parallel, permitting them to be charged individually from a single cost port or in tandem utilizing each ports without delay, moderately than counting on a single port for your complete pack.
This resolution targets bigger automobiles, which require larger battery packs in comparison with normal passenger automobiles. Though the patent consists of examples involving passenger automobiles, it notably applies to medium-duty choices, encompassing fashions just like the GMC Hummer EV and the biggest electrical pickups from GMC and Chevrolet.
Whereas megawatt charging was launched as a possible resolution for electrical large rigs a number of years in the past, its implementation has seen delays, partly resulting from sensible electrical challenges. Tesla has confirmed megawatt charging capabilities for its Cybertruck and Semi fashions, however the anticipated Supercharger V4 know-how has not but absolutely materialized.
Numerous different options are already rising to reinforce charging effectivity based mostly on present connector know-how. As an illustration, the GMC Hummer EV makes use of 400-volt battery packs which might be usually linked in parallel with only one cost port. In the meantime, Porsche has opted to separate its 800-volt Macan battery pack into two digital 400-volt packs to spice up charging speeds.
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