New EV charging cable can dramatically reduce charging times

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A major shortcoming of electric cars is that they take time to top-up, but a joint project between Purdue University and Ford Motor Company has made a breakthrough to address this.

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Major corporations have long partnered with the brightest minds in academia to solve complex business problems with vast benefits beyond the boardroom.

Purdue University and Ford Motor Company have teamed up to solve a problem that could make electric vehicle ownership a lot easier.


Engineers at Purdue working on a Ford-funded project have designed a prototype charging cable that can recharge an EV battery in five minutes.

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The promise of Purdue’s technology is that it can deliver charging times that are very close to the traditional feel of stopping at a gas station to refill a fuel tank.

Today’s charging time increases wildly due to a few factors, mainly related to the charging cable and the power input rating of the car battery. Current cooling systems are not yet in operation.

Even on superfast chargers, EV owners typically take more than 30 minutes to fully fill their batteries.

The new cable can handle 4.6 times the current than the most powerful EV chargers today. It is able to deliver that current due to its ability to remove 24.22 kW of heat.

Analysis: A big step forward, but there’s still a way to go

It’s worth noting that the updated charging cable is a big step toward faster charging, but it’s far from the only step.

The prototype charging cable has not yet been tested on an EV, as there is no electric vehicle battery capable of the required input speed.

Purdue says that even with the cable, real-world charging time will depend heavily on the power input rating of the battery, as well as the power supply and power output rating of the charging cable. All three should be rated at 2,500 amperes.

Many advancements have been made in the EV battery space that focus on safety, efficiency and charging speed.

The batteries with the fastest charging promise 100 miles of charge in five minutes, but they’re still far from having any commercial applications.

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via Purdue

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