Multi-gigawatt manufacturing joint venture to produce next-gen battery

September 13, 2019 //By Nick Flaherty
Holtec and Eos Energy Storage have formed a US joint venture to build aqueous zinc battery systems for industrial-scale energy storage. 
Holtec and Eos Energy Storage have formed a US joint venture to build aqueous zinc battery systems for industrial-scale energy storage. 

The Hi-Power ventue will use Eos’s non-flammable Znyth aqueous zinc battery technology with the manufacturing automation expertise from nuclear power speciliast Holtec.

The new plant will be located close to the Pittsburgh-based Holtec Manufacturing Division (HMD), which custom manufactures capital equipment for the global power industry. Small scale production has been successfully demonstrated and large scale production is expected to begin in late November.

The aqueous zinc battery systems will be used to store surplus power from Holtec’s SMR-160 small modular reactors to deliver power to the grid during peak periods of demand. “We are excited to partner with Holtec to establish a world-class manufacturing facility and also work together to bring our DC system to Holtec’s existing customer base,” said Joe Mastrangelo, Chief Executive Officer of Eos.

The modular Eos batteries are zinc hybrid cathodes, which provide a safe, sustainable and scalable alternative to their lithium ion counterpart; they also operate across a wide temperature range without cooling and the risk of fire or explosion. The current generation batteries feature over four hours of energy delivery from 100 percent charge to full discharge and can operate in -15ºC to 45ºC temperature range without thermal conditioning. Additionally, the batteries are comprised of high-volume core commodity components, use no rare earth materials and are fully recyclable. 

Holtec’s engineers will also work with Eos on the next generation of zinc battery using of Computational Fluid Mechanics and automation systens. 

“We have entered the battery industry to provide the means to store large quantities of electrical energy from nuclear, solar and other renewable energy generation facilities and deliver power to the user on demand. The availability of a suitably sized battery-powered energy storage plant will make our SMR-160 reactor even more valuable to our customers. To cut unit production cost, we plan to expand our facility as warranted by the demands of the market,” said Dr Kris Singh, President and CEO of Holtec International.


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