Flow-nano

Flow-nano, an Italian start-up spun off from X-nano and IIT, specializes in nanostructured electrodes for VRFBs. Their patented NanoJeD platform enhances battery performance, driving cost-effective Long Duration Energy Storage solutions.

Company Location

Country:

Italy

City:

Milan

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Company Overview

Flow-nano is an Italian start-up founded in 2023 as a spin-off from X-nano and the Italian Institute of Technology (IIT). Specializing in nanostructured electrodes for vanadium redox flow batteries, its mission is to increase efficiency and reduce costs in the Long Duration Energy Storage market to support global energy transition. Headquartered in Milan, Italy.

Battery Technology

Flow-nano’s core NanoJeD platform deposits carbon nano-onion coatings onto carbon fabric electrodes, increasing electrochemically active surface area, current density up to 0.3 A/cm² (threefold improvement), power output, and durability (>20,000 cycles), while lowering levelized cost of storage. The patented nanocatalyst layer enhances charge/discharge rates and scalability for large-scale VRFB systems.

Products

NanoJeD nanostructured electrode coatings for vanadium redox flow batteries and the Vanadís Solution™ platform, delivering higher current density, power density, long cycle life (>20,000 cycles) and reduced costs for stationary energy storage.

Recent Projects

2024: Secured €1 million from Tech4Planet (CDP Venture Capital SGR) to scale nano-onion electrode technology to pre-industrial level and support prototype demonstrations. 2025: Raised $3 million to advance the Vanadís Solution™, scale manufacturing and demonstrate cost reductions for large-scale flow battery applications.

Investors

In 2024, Tech4Planet (managed by CDP Venture Capital SGR) invested €1M; in 2025, an undisclosed investor group led a $3M funding round.

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