11, Allée de Beaulieu, 35708 Rennes

Hall map

Energy Storage Europe 2018 hall map (Hall 8b): stand F05

Fairground map

Energy Storage Europe 2018 fairground map: Hall 8b

Our range of products

Product categories

  • 02  Electrochemical Energy Storage
  • 02.03  Flow Batteries
  • 02.03.01  Redox Flow Batteries

Redox Flow Batteries

Our products

Product category: Redox Flow Batteries

Flow Battery Technologies

Flow batteries have been in existence for decades and several technologies have been developed. Most of them are based on metal ions, sometimes associated with halogens, such as : vanadium (the most widely used), iron, zinc, chromium… Some of these batteries can be hybrid, with half of the battery being based on a redox flow design and the other half with another design, such as a fuel cell. Various options are also possible, such as aqueous or organic electrolytes, the use of suspensions instead of solutions, membraneless systems, etc.

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About us

Company details

In the years leading to the creation of Kemwatt, two scientists at the Rennes Institute of Chemical Sciences (ISCR), Didier Floner and Florence Geneste, started developing components for an electrochemical reactor, and eventually came to realize that it could be used in a new kind of flow battery.

Ouest Valorisation, a company in charge of making value out of innovations by public laboratories in Western France, funded two successive programs to further develop the innovations and looked for partners to take advantage of the business potential.

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