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Do plug-in hybrids charge while driving?

by Robert Beas - Posted 1 year ago

Plug-in hybrid electric vehicles (PHEVs) charge their battery packs in two ways: by plugging into an external source of electricity or by generating electricity through regenerative braking while driving.

When a PHEV is being driven, the electric motor can act as a generator, converting kinetic energy into electrical energy that can be stored in the battery pack. This is known as regenerative braking. When the driver applies the brakes, the electric motor slows down the vehicle and generates electricity, which is sent to the battery pack to be stored for later use.

However, regenerative braking alone is usually not enough to fully charge a PHEV battery pack. Therefore, it is recommended to charge the battery pack by plugging the vehicle into an external source of electricity, such as a charging station or a standard electrical outlet.

Additionally, some PHEVs are equipped with a feature called "charge-hold mode." This mode allows the vehicle to operate in gasoline mode while also charging the battery pack to maintain a certain level of charge. In this mode, the gasoline engine powers the vehicle and generates electricity to charge the battery pack.

In conclusion, while PHEVs can generate electricity through regenerative braking while driving, it is not enough to fully charge the battery pack. It is recommended to charge the vehicle by plugging it into an external source of electricity, and some PHEVs also have a charge-sustaining mode to maintain a certain level of charge.


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