Electric battery breakthrough

Batteries are a big deal these days. To be precise, electric batteries that hold enough charge to power a car, say, for a few hundred kilometres and that can be recharged in minutes.

In fact, they have become one of the current holy grails of the green tech industry. A longer-lasting, faster-charging battery will trigger a wholesale switch to electric cars, for instance.

A US company, EEStor, has been promising to bring out a lithium ultra capacitor for a while now. And now researchers at the Massachusetts Institute of Technology have announced their own lithium iron phosphate competitor, which they say could be on the market in two to three years.

If either of these – or another competitor – delivers on their promises, it will signal the beginning of the end of the petrol engine.


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