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Technology

Water in Salt is our answer to the growing demand for efficient and safe solutions in stationary energy storage. It is a redox flow battery that utilizes affordable and readily available components. Unlike traditional flow batteries, our Water in Salt flow battery has a single electrolyte and does not require a membrane separator, resulting in increased electrochemical efficiency and significant cost reduction.

Membraneless ZnX technology

Our technology is based on redox reactions, which play a crucial role in the functioning of our batteries. The zinc flow battery technology is a rechargeable flow battery technology that stores energy by utilizing the ability of zinc and another metal to exist in solution in four different oxidation states. In these chemical processes, electrons change the oxidation state of zinc and the additional metal, enabling storage and release of electrons.

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For the electrolyte in the battery, we use highly soluble and commonly available salts in water. This special property of salts allows us to produce batteries with just one electrolyte. Such an approach not only ensures safety but also provides competitive efficiency and unmatched longevity for our products.

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Charging

 

During battery charging, zinc dissolved in the aqueous electrolyte is reduced into a metallic form at the zinc anode. Simultaneously, on the carbon electrode, a oxidation reaction occurs, resulting in the formation of a metal oxide that fills the carbon structure of the battery.

Discharging

 

During battery discharge, the reverse reaction takes place. The metal oxide and the zinc dissolves in water, releasing the stored electrical energy from the battery.

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ZincX and graphite electrodes

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