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Redox flow batteries, a promising technology for renewable energies integration

Date:
October 14, 2011
Source:
Elhuyar Fundazioa
Summary:
Today there is a wide variety of energy storage technologies at very different stages of development. Among them, the Redox Flow Battery (RFB) is an innovative solution based on the use of liquid electrolytes stored in tanks and pumped through a reactor to produce energy. Researchers are currently working in the development of high performance RFBs.

Redox flow battery.
Credit: Image courtesy of Elhuyar Fundazioa

Today there is a wide variety of energy storage technologies at very different stages of development. Among them, the Redox Flow Battery (RFB) is an innovative solution based on the use of liquid electrolytes stored in tanks and pumped through a reactor to produce energy. Tecnalia is currently working in the development of high performance RFBs.

RFB is, by its very nature, a modular and highly flexible technology with very rapid response, little environmental impact and considerable potential for cutting costs. This is the reason why Redox Flow Batteries are emerging as a very promising option for stationary storage in general and for renewable applications in particular.

Renewable energies

There is no doubt that the development of renewable energies will be a key milestone in the way towards a new environmentally-friendly energy model., However, their variability and limited predictability are posing a problem for the operation of the system and, as a result, a barrier to their massive penetration.

A clear example of these difficulties is the need to maintain backup systems that generate energy during low wind or low solar irradiance periods. On the other side, high renewable generation can lead to energy waste during low demand periods.

Redox Flow Batteries are considered as a highly adequate technology to mitigate the variability of renewable energies and to improve their dispatchability, that is, to provide the capability to regulate the output in a similar way to conventional power stations. The energy stored during periods of high renewable production can be used to compensate for the lack of generation when the weather conditions are less favourable.


Story Source:

The above story is based on materials provided by Elhuyar Fundazioa. Note: Materials may be edited for content and length.


Cite This Page:

Elhuyar Fundazioa. "Redox flow batteries, a promising technology for renewable energies integration." ScienceDaily. ScienceDaily, 14 October 2011. <www.sciencedaily.com/releases/2011/10/111014080045.htm>.
Elhuyar Fundazioa. (2011, October 14). Redox flow batteries, a promising technology for renewable energies integration. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2011/10/111014080045.htm
Elhuyar Fundazioa. "Redox flow batteries, a promising technology for renewable energies integration." ScienceDaily. www.sciencedaily.com/releases/2011/10/111014080045.htm (accessed October 20, 2014).

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