NREL Licenses Forge Nano to Commercialize Patented Li-ion Battery That Won’t Explode and Is Less Costly

The U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) in Golden, Colorado, has entered into an exclusive license agreement with Forge Nano – a company that claims to be “inventing the future, one atom at a time” – to commercialize NREL’s patented lithium-ion (li-ion) battery materials and systems capable of operating safely in high-stress environments.

A distinctive feature of the leading-edge battery technology is the encapsulation of materials with solid electrolyte coatings, which can be designed to meet the increasingly demanding needs of any battery application.

Indeed, these batteries promise to eliminate the danger of fire often associated with lithium-ion batteries. Specifically, the li-ion batteries feature a hybrid solid-liquid electrolyte system, in which the electrodes are coated with a solid electrolyte layer. This layer minimizes the potential for the formation of an internal short circuit between electrodes to prevent “thermal runaway,” or the uncontrolled increase in battery cell temperature that can result in a fire or an explosion.

In addition, coating of the electrode materials reduces the stress on traditional polymer separators that are currently necessary components in commercial lithium-ion batteries and can allow for thinner separators designed for higher power devices. This advancement has the potential to reduce both the cost and weight of the battery device, while substantially increasing safety and lifetime.

Lab-scale testing of NREL’s hybrid solid-liquid electrolyte system has shown increased electrode durability and reliability without compromised electrochemical performance.

“The cells are less likely to fail, even in demanding, real-world conditions like high temperatures and fast recycle rates,” said Ahmad Pesaran, whose team of engineers in NREL’s Energy Storage group invented the technology.

Forge Nano, formerly PneumatiCoat Technologies, also is a Colorado-based company specializing in the scale-up and manufacturing of cost-effective Atomic Layer Deposition (ALD) encapsulated materials. Forge Nano presented its technology at the 2013 and 2017 NREL Industry Growth Forum, a premier clean energy investment event. A year later, NREL approached the company as a potential licensee after conducting a licensee search in the battery technology area.

“This license agreement will allow Forge Nano to offer further customized lithium-ion battery materials for high performance devices by utilizing our patented high-throughput ALD system that has already been successfully tested at the pilot scale and in large format pouch cells,” said company CEO Paul Lichty. “The incorporation of this technology into Forge Nano’s offering will lead to a substantial reduction in cost per unit energy of lithium-ion batteries.”

NREL has more than 800 technologies available for licensing. Companies interested in partnering to advance research on or commercialize renewable energy technologies can visit the EERE Energy Innovation Portal, which features descriptions of all renewable energy technologies funded by the Department of Energy’s Office of Energy Efficiency and Renewable Energy.

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