The Dutch start-up was awarded a €1.8m ($2.1m) grant from the European Innovation Council (EIC) Accelerator. SeaX Ventures led the funding round, with participation from Pale Blue Dot, First Momentum, AiiM Partners, Energie360°, and Katapult.
Through DAC, the captured CO₂ plus the co-produced hydrogen can be used to produce e-fuels such as sustainable aviation fuel (SAF) and e-methanol.
The electrolyser system has been designed for intermittent operation, switching on and off with sun and wind power.
“With many long nights of work, we’ve proven a clear path to capturing CO₂ directly from air at below $100 per tonne,” explained Dr. Joseph Perryman, Brineworks’ co-founder and Chief Technology Officer.
“That’s the threshold the world has been waiting for, and now the scale-up begins.”
While several start-ups have claimed the sub-$100 per tonne barrier in lab or early prototype tests, these rely on projections or exclude the full capital and operating costs of commercial-scale systems.
Additionally, electrochemical DAC methods that could co-produce hydrogen or other products are mostly still at the lab scale.
The latest financial backing builds upon its 2024 funding round, which saw Brineworks raise €2m ($2.3m) to accelerate its seawater electrolysis technology.
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