01-07-2025
- Automotive
- Hindustan Times
Huawei unveils EV battery tech with 3,000 km range, 5 minute full charge claim
Huawei has filed a patent for a battery tech that can enable EVs for a single charge range of 3000 km Notify me
Huawei has joined the debate about future-generation electric cars with a pretty radical suggestion: a battery system that might charge an EV for more than 3,000 kilometres. The work comes in the guise of a just-filed Chinese patent, which emphasizes a solid-state battery design with high energy density and speed charging.
The technical description centres around a nitrogen-doped sulfide electrode configuration, aimed at curbing degradation over time. Huawei claims these cells can deliver 400–500 Wh/kg, which is about three times the energy density of current lithium-ion cells used in most EVs today.
In theoretical terms, that kind of density could push a mid-sized electric car to cover roughly 3,000 km before needing a recharge. Interestingly, the required time to recharge the battery from 0-100 percent is claimed to be 5 minutes.
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It's worth noting that the 3,000 km figure is based on the CLTC (China Light-Duty Vehicle Test Cycle), which is known for producing overly optimistic range numbers. When adjusted to more conservative standards, like the EPA cycle, the estimate drops to around 2,000 km—still far ahead of what most EVs offer. Practicality vs Possibility
Building a car to accommodate that level of battery performance involves more than just cramming in tech. This would need a considerably bigger and heavier battery pack, which adds complexity and cost to production and ownership as well. To be clear, Huawei's hypothetical EV would need a battery weighing as much as a small hatchback. That essentially defeats the expense efficiency achieved in previous generations of cars, which EVs are supposed to improve upon.
More likely is that manufacturers might apply this technology to build smaller, lighter batteries that still offer respectable range—perhaps 800 to 1,000 km—while improving vehicle dynamics and cost-efficiency. That direction aligns more with the needs of typical users and keeps vehicles within realistic performance and pricing brackets.
Also Read : Huawei to invest $1 billion on car tech it claims can surpass Tesla's
Solid-state batteries have been thought of for many years as an opportunity to leap forward in energy storage and Huawei is not the only one chasing the potential. Still, even if we can clear technical hurdles, practical adoption ultimately depends on whether the technology can become scalable and affordable, and also be integrated in a way that doesn't compromise usability. Automakers are likely to favour balanced applications of such innovations—improving range and charging times without inflating vehicle size or price.
Huawei's patent points to a fascinating future where EVs could, in theory, match or exceed the convenience of internal combustion vehicles. But the usefulness of a 3,000-kilometre EV is debatable when infrastructure, affordability, and real-world habits remain key challenges.
Check out Upcoming EV Cars in India, Upcoming EV Bikes in India.
First Published Date: 01 Jul 2025, 10:58 AM IST
