Self-charging, thousand-year battery startup NDB aces key tests and lands first beta customers

Pleasanton-based green energy startup NDB, Inc. has reached a key milestone today with the completion of two proof of concept tests of its nano diamond battery (NDB). One of these tests took place at the Lawrence Livermore National Laboratory, and the other at the Cavendish Laboratory at Cambridge University, and both saw NDB’s battery tech manage a 40% charge, which is a big improvement over the 15% charge collection efficiency (effectively energy lossiness relative to maximum total possible charge) of standard commercial diamond.

NDB’s innovation is in creating a new, proprietary nano diamond treatment that allows for more efficient extraction of electric charge from the diamond used in the creation of the battery. Their goal is to ultimately commercialize a version of their battery that can self-charge for up to a maximum lifespan of 28,000 years, created from artificial diamond-encased carbon-14 nuclear waste.

This battery doesn’t generate any carbon emissions in operation, and only requires access to open air to work. And while they’re technically batteries, because they contain a charge which will eventually be expended, they provide their own charge for much longer than the lifetime of any specific device or individual user, making them effectively a charge-free solution.

NDB ultimately hopes to turn their battery into a viable source of power for just about anything that consumes it — including aircraft, EVs, trains and more, all the way down to smartphones, wearables and tiny industrial sensors. The company is currently now at work creating a prototype of its first commercial battery in order to make that available sometime later this year.

It has also just signed its first beta customers, who will actually be receiving and making use of those first prototypes. While it hasn’t named them specifically, it did say that one is “a leader in nuclear fuel cycle products and services,” and the other is “a leading global aerospace, defense and security manufacturing company.” Obviously, this kind of tech has appeal in just about every sector, but defense and power concerns are likely among the deepest-pocketed.

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