New Battery Tech Could Make Solar Energy Storage Even Cheaper

Wafers Are Similar To Those In Photovoltaic Cells And Idea Is That Development Becomes A ‘Plug And Play’ Solar-Powered Energy Storage System.

US-based engineers have joined forces to develop high-voltage reference batteries for behind-the-meter energy storage applications, based on a bipolar technology that uses silicon wafers in traditional lead batteries. The Wafers Are Similar To Those In Photovoltaic Cells And The Idea Is That The Development Becomes A ‘Plug And Play’ Solar-Powered Storage System.

The bipolar technology is known as Silicon Joule and has been developed by Gridtential Energy with the goal of reducing lead batteries’ weight and achieving a performance competitive with that of lithium-ion batteries but at a lower cost. Together with Gridtential, the project is being advanced by Electric Applications Incorporated (EAI) and the Consortium for Battery Innovation (CBI).

The research collaboration will involve building mini-systems using Silicon Joule bipolar batteries for testing, with EAI developing an optimized charge scheme to replicate real-life energy storage systems. The CBI, on the other hand, will provide its technical roadmap to maximize cycle life and energy throughput – two key technical parameters for renewable energy storage.

“Behind-the-meter (BTM) energy storage is a critical piece for the decarbonization landscape with systems booming in demand. In the US alone, Wood Mackenzie predicted 430 MW installed in 2020, reflecting an increase of more than 100% over 2019,” the companies said in a media statement.

“This is driving the need for affordable, safe, high-performing batteries in easy-to-connect packages that incorporate renewable energy for the residential market.”

This news was originally published at Oil Price.

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