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Home Electric Vehicles

China’s Huawei files patent for ultra-dense battery with 5-minute charge time

Michael Olabode Williams by Michael Olabode Williams
July 7, 2025
in Electric Vehicles, Premium
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China’s Huawei files patent for ultra-dense battery with 5-minute charge time
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Huawei, China’s tech powerhouse, has filed a bold patent that could change the electric vehicle landscape. The company says its next-generation solid-state battery could deliver up to 1,864 miles (3,000 km) of range on a single charge; a figure nearly triple what current EVs can achieve.

The patent describes a nitrogen-doped, sulfide-based solid-state battery boasting an energy density between 180 and 225 Wh/lb. That’s two to three times more than today’s lithium-ion batteries. Huawei claims the battery can be recharged from 10% to 80% in under five minutes, a potential game-changer for drivers and manufacturers alike.

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Although Huawei doesn’t manufacture cars, it supplies cutting-edge EV technologies to Chinese automakers. Its potential battery breakthrough puts it alongside global rivals like BMW, Mercedes-Benz, Volkswagen, and BYD, all in a fierce race to perfect solid-state systems that are safer, lighter, and faster to charge.

Huawei is keeping most details under wraps, but industry observers say the tech giant is quietly ramping up interest in upstream components. Earlier this year, it filed a separate patent for producing sulfide electrolytes, a crucial, and costly, ingredient in high-performance solid-state batteries. Some batches of the material now fetch prices higher than gold.

The patent filing comes at a time when China is reinforcing its dominance in the EV sector. Public records show Chinese companies now file over 7,600 solid-state battery patents annually, accounting for 36.7% of the global total. That figure underscores the country’s ambition to lead in next-gen energy storage.

Experts are cautiously optimistic. While Huawei’s figures remain theoretical, the company’s ambitions signal real disruption ahead. Analysts warn that ultra-fast charging still depends on infrastructure that doesn’t yet exist. Nonetheless, this filing has set off alarm bells across the global EV and tech communities.

With CATL aiming for hybrid solid-state production by 2027 and Toyota revealing a 745-mile prototype in 2023, the global race is heating up. But Huawei’s staggering range claim, if proven, could mark one of the most significant advances in EV battery history.

Read more on Tesla lands $87m Belgium battery deal as clean energy demand surges

Tags: battery plantelectric vehiclesHeadlineHuawei

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