What if the battery of the future for electric cars already exists?

A new battery manufacturing process on which engineers at Penn State University are working would make it possible to develop, in the future, accumulators with 400 km of autonomy and capable of recharging in just 10 minutes.
The fear of battery failure still figures prominently in user fears about the electric car. Whether it is due to the relatively limited range of vehicles or the weakness of the recharging network, it is, along with the price, one of the main obstacles to purchasing.

The method developed by Chao-Yang Wang, William E. Diefender and their team combines the traditional lithium battery with iron and phosphate.
In their study published in the journal Nature Energy, the two engineers at Penn State University explain that it is not so much a new way of storing electricity as a revolutionary approach to recharging and more specifically to the capacity of a battery to rise in temperature. Indeed, the two researchers explain that their process makes it possible to quickly rise to 60 ° C (during the charging and discharging phases) and to drop in temperature rapidly when the battery is off.

Also easy to manufacture, cheaper to produce?

The other advantage of the technique implemented by Wang and Diefender is the cost. Indeed, their process is based on current technologies and does not require specific materials.
On the contrary, in their publication, the two professors indicate that their process is rather “affordable”, that it does not use rare materials such as cobalt and that in the end their battery would be more compact, less heavy and above all less. expensive to produce than current models.
There would also be no worries about a large-scale production, or consequences on the durability of the battery since the tests they conducted allow them to affirm that their battery would have a lifespan of three million of kilometers.

The temperature rise process implemented by the two engineers seems very promising in theory. It should obviously be of interest to the automotive industry, because even if it does not extend range, it resolves, at least in theory, the other major problem with battery vehicles, their recharging time.

Source: Flux toutes les actualités – 01net by www.01net.com.

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