Exponent Energy has tested the batteries for 800 cycles and has shown less than a 3.5% drop in battery capacity after one hour of discharge.
see photosThey claim to reduce the charge time to just 15 minutes
It is no secret that Ather is one of the pioneers of EV and electrification in India. Now a band of former executives have created a company called Exponent Energy that has created technology that can charge a commercial EV battery from zero to 100 percent in just 15 minutes, and in some cases just 5 minutes. In a way it is not much different from refueling a petrol vehicle.
Arun Vinayak, co-founder of Exponent Energy, who is Ather’s chief product officer and in an interview with TechCircle, revealed that the technology does not require special battery chemistry and is compatible with most regular lithium-ion batteries. Is. This suggests that it will work with both EV manufacturers and charging point operators across India.
Exponent Energy also features Sanjay Byalal Jagannath, who was the brains behind Ather’s hardware strategy sourcing and sell strategy lead, among other co-founders.
Vinayak says, “It would be fair to say that electric vehicles are the better vehicle, but they are largely chained due to energy problems.”
“On one hand, you have charge point operators buying a charging station and putting it on the grid, while on the other you have OEMs focusing on batteries and manufacturing vehicles. This is why vehicles drive better. And you have people install charging stations, but they don’t work together. That’s why you see vehicles that take 8 hours (or more) to charge, and batteries only last 1000 cycles ,” they tell.
Ather Energy has been one of the pioneers of the EV revolution in India and its former executives founded Exponent Energy.
Exponent Energy has developed a technology combining hardware and software with what it calls a flexible energy stack designed to supercharge charging speeds. It has developed its own internal battery management system that is 10 times more accurate than anything else on the market. Exponent claims that about 50 percent of its technology is software that flows from the grid and then to the battery.
Vinayak explains, “For us, the battery involves buying a commercially available cell, slapping on our BMS, having the right thermal management for the vehicle, which lets us rapidly charge a commercially available cell.” He also said that its batteries will have a 3000 charge cycle warranty, but that will be for batteries that are charged using their technology.
Exponent Energy has tested the batteries for 800 cycles and after that one hour of discharge showed less than a 3.5 percent drop in battery capacity. The industry standard is that more than 20 percent degradation occurs after 1000 charge cycles.
“Fundamentally, rapid charging is nothing new. It’s been around since 2008. But you had to use cell chemistry like lithium titanate oxide (LTO) batteries, which are three times heavier and five times more expensive etc. One commercialization point,” explains Vinayak.
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“We don’t think rapid charging is new, but the fact that people only look at it from a cell chemistry point of view shows how efficiently we can solve this problem,” he says in his interview with TechCircle.
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