China has created a futuristic battery twice as powerful as the most powerful Tesla cell
Published on Aug 28, 2025 at 5:57 AM (UTC+4)
by Claire Reid
Last updated on Aug 28, 2025 at 11:10 AM (UTC+4)
Edited by
Claire Reid
Scientists in China have developed a ground-breaking lithium metal battery that is able to store twice as much energy as the most powerful Tesla cell.
The battery was created by researchers from China’s Tianjin University.
The team says the new battery has an energy density of more than 600 watt-hours per kilogram.
This is twice as powerful as the most powerful Tesla cell, which is hugely exciting for a number of reasons.
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The new battery stores double the energy of the most powerful Tesla cell
In recent years, we’ve seen all sorts of advancements when it comes to batteries, like this ‘self-healing’ one that extends battery life and improves safety, or this one, which is made from salt and could offer a mind-boggling range.
This month, researchers from Tianjin University announced they had created a battery with 604 watt-hours per kilogram of energy density – or the amount of energy stored per unit mass.
For some context, the most powerful Tesla cell offers 300 watt-hours per kilogram of density, while the BYD Blade offers an energy density of 150-watt per kilogram.
Batteries with greater energy density can be made smaller and lighter than those that are less energy dense.
The researchers said the battery showed a 200 to 300 percent improvement over current lithium metal batteries when it came to both energy density and endurance.
Meaning that this new, as yet unnamed battery, could be a real game-changer when it comes to the world of EVs.
According to the Independent, the team behind the new high-energy lithium metal battery has already been used in drones.
Could it signal the end of ‘range anxiety’?
Range anxiety is the name given to the fear some EV owners have about running out of electricity while out on the road and miles away from a charging point.
In a bid to combat this, we’ve seen Tesla roll out its Superchargers at a rapid pace, while BYD has introduced its super-fast five-minute charging.
But if the new technology from Tianjin University could be put into large-scale use, it could be a real game-changer, offering double what you’d get from the most powerful Tesla battery, and up to four times what you can get with some other manufacturers.
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Claire Reid is a journalist who hails from the UK but is now living in New Zealand. She began her career after graduating with a degree in Journalism from Liverpool John Moore’s University and has more than a decade of experience, writing for both local newspapers and national news sites. Claire covers a wide variety of topics, with a special focus on cars, technology, planes, cryptocurrency, and luxury.
