Welcome to the Aqueous Battery Brief. In this week's roundup: Google's new Eos tie-up, Certain's Series A, a new dendrite culprit, and more.
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September 3, 2026 • Estimated reading time: 3 – 5 minutes.
Latest News
Eos to Support 86 MW Google Project
Google, Eos Energy Enterprises, and energy developer MN8 are collaborating to deliver 86 MW of utility-scale solar and storage including 10 MW/100 MWh of Eos' Z3™ zinc-based LDES to the PJM grid.
The project, which is part of Google's broader efforts to accelerate LDES technology commercialization, will support Google data centers including a planned facility in West Virginia.
Read more from Eos and from Google.
Certain Raises £10M Series A
UK manganese flow LDES startup Certain Energy (FKA RFC Power) has raised a £10 million (~$13.63 million) Series A to commercialize its technology and prepare for grid deployment. British Business Bank led the round.
Details in Mercom Capital India.
Eos Consolidates Pittsburgh-Area Manufacturing
In other Eos news, the company is consolidating its Pittsburgh-area zinc battery manufacturing to its 432,000 square foot, 4GWh facility it opened earlier this year.
The company says the move will shorten material flows, improve factory space use, and reduce overhead costs, cutting conversion costs by an anticipated 10–15% by next year.
Read the full story in BEST Magazine.
Aqueous Deep Dives
Research: Gravity Causes Dendrites
A team from GP Technology & Innovation Limited and others pinpointed the previously-overlooked culprit for zinc LDES dendrites.
Read “Gravity-induced zincate redistribution and electrochemical amplification govern nonuniform zinc deposition in alkaline zinc metal batteries” in the Journal of Energy Storage, or get the high-level on LinkedIn.
Why Vanadium Beats LFP for Data Centers
Unlimited cycling, full range usability, and safety and sustainability: read how these factors set vanadium apart from lithium options for next-gen data centers, in the latest post from Invinity.
$80M in Projected Gains
Octet delivered a custom electrolyte formulation projected to unlock over $80M in performance and manufacturing value — no hardware changes needed.
Mark Your Calendars
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
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