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Clean energy storage

Elestor

The enabling technology for a 100% clean electricity supply.

Elestor’s breakthrough flow battery stores electricity at a fraction of the cost of traditional batteries, while relying on abundant materials and a robust, safe system design.

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Headquarters

Arnhem

Netherlands

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Established

2014

Joined the group

2019

Elestor’s mission is simple: cutting the cost of electricity storage. This is why they employ the use of widely available low-cost materials (hydrogen and bromine), a streamlined manufacturing method, and a simplified system design - what they call the ‘triple cost reduction strategy’.

Their HBr flow batteries are ideal for large scale stationary electricity storage and come with their three-prong product guarantee:



FUTURE-PROOF STORAGE CAPACITY
Elestor’s storage systems’ chemical reaction is 100% reversible, so its storage capacity [MWh] remains unchanged during its lifetime.

ELECTROLYSER + FUEL CELL FUNCTIONALITY IN 1 SINGLE CELL
By using bromine instead of the less reactive oxygen, the charge and discharge efficiencies of the Elestor solution rise from 60% to 90% (or even higher). Elestor's flow batteries can be charged and discharged up to 15,000 times, at 100% Depth of Discharge (DoD).

100% SELF CONTAINED
Elestor’s storage systems are 100% self-contained, and nothing goes in or out…except electricity!

What makes Elestor's flow batteries so unique is that they use affordable raw materials. Bromine is extracted from seawater, which is very widely available, and is therefore cheap. In addition, flow batteries have an extremely long life. They can be charged and discharged 15,000 times.

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Wiebrand Kout

Founder & CTO, Elestor

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Elestor