Welcome to the Aqueous Battery Brief, Octet’s weekly aqueous storage news roundup. This week: A metals giant and the U.S. military both look to aqueous tech.


Alcoa and AVL/VSUN Explore VFB-Supported Refinery

Vanadium mining and tech firm Australian Vanadium Limited (AVL), along with AVL subsidiary VSUN Energy, have signed an MoU with aluminum giant Alcoa to evaluate the use of a vanadium flow battery to support Alcoa’s refinery operations.

The collaboration will assess the technical and commercial feasibility of a VFB system with a nominal capacity of 50–80 MW and a storage duration of six to eight hours.

Read more at PV Magazine Australia.


Meine’s C6 Charge / C18 Discharge Iron-Air Pilot

Indian iron-air startup Meine Electric said its battery has been selected for a pilot project at NTPC Simhadri Thermal Power Station in Andhra Pradesh. The project will evaluate the tech under utility-scale operating conditions.

Per Meine Electric, its application enables a six-hour charge and 18-hour discharge.

Details in PV Magazine India.


E-Zinc, Urban Electric Power Green Lit for U.S. Military Contracts

Two leading zinc battery players have been formally approved for U.S. military contracts. Both E-Zinc and Urban Electric Power separately announced receiving the coveted “Awardable” designation in the Department of War’s Tradewinds Solutions Marketplace.

See the companies’ announcements on LinkedIn here and here.


At 250, the U.S. Needs Aqueous Storage

At 250, the U.S. Needs Aqueous Storage

As the U.S. hits this milestone year, the country faces new urgency to secure energy independence, global AI leadership, and military dominance.

Fostering aqueous energy storage is critical to the country achieving all three.

Read why in the latest opinion piece from Octet CEO & Founder, Onas Bolton.


Mark Your Calendars


  • Volta Foundation’s Battery Forum features two tracks: Next-Gen Chemistry and Cost Reduction. August 26, 11:00 AM – 1:00 PM ET. Virtual Conference. Details & Registration

  • Flow Batteries North America, the second annual flow battery-dedicated event in North America. October 19-22, Phoenix, Arizona. Details & Registration


📆 Get ahead of your planning with the Aqueous Energy Events Calendar in our December 29th Aqueous Battery Brief.


Who’s Hiring

Seeking a new role — or know someone who is? Start with the quick links to aqueous firms’ open roles pages below.



Have a specific open position you’d like to highlight? Send us an e-mail.


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