“”No the basic issue is that exxon is claiming that they can downsize a car battery to the size of a PCs battery.
That is not what is said. They are using the technology of rechargeable lithium-ion batteries, like those found in cell phones and laptops. This will reduce the size of battery required to power a vehicle. They are not saying they will be the same size as a laptop.””
From the article:
Exxon Mobil considers the film a breakthrough because it allows battery makers to build smaller and cheaper battery systems removing key obstacles that have kept automakers from building hybrid and electric vehicles on a wide scale.
Yes, smaller and cheaper than the batteries that can be used for vehicles today. It does not claim they will be laptop sized.