Paper battery that biodegrades in weeks offers ‘revolutionary’ energy solution
Paper battery that biodegrades in weeks offers ‘revolutionary’ energy solution
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Singapore startup Flint hopes to commercialise technology that is capable of powering everything from wearables to satellites. Researchers have invented a biodegradable paper battery that they claim could revolutionise the way we store and use energy. Singapore-based startup Flint claims it is the world’s most sustainable battery, capable of addressing the significant environmental challenges of current energy storage systems through the use of renewable materials that can biodegrade in just six weeks when buried in soil.
![[A prototype of Flint’s paper battery]](https://static.independent.co.uk/2025/01/08/15/Screenshot-2025-01-08-162755.jpg)
Flint says its paper battery offers a comparable lifespan to conventional lithium-ion batteries, while also being lighter, cheaper, and versatile enough to power everyday electronics.. The company describes it as a “revolutionary water-based, rechargeable battery technology, developed from the ground up with sustainability at its core”.
It works by using a ring of hydrogel within a piece of paper that serves as an electrolyte and a separator, with its design aimed at integrating with existing lithium-ion battery manufacturing processes. The battery was unveiled at the Consumer Electronics Show (CES) in Las Vegas this week, with the firm hoping to attract interest in the technology.
Flint recently raised $2 million (£1.6m) in funding to further develop and commercialise the paper battery. “With real-world applications on the horizon, we are laser-focused on delivering solutions to market,” said Flint CEO and co-founder Carlo Charles.
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