Ionic Liquid Redox Flow Battery Prototyping
Sandia National Laboratories, NM, United States
We have created ionic-liquid electrolytes with non-aqueous membranes and cell designs for higher energy density flow batteries. We are projecting a four-fold improvement in energy density through higher voltages and utilizing materials with multiple charge states. The advancement of this technology comes from simultaneously tuning both electrolytes and membranes.
Primary Application Area: Energy & Efficiency
Technology Development Status: Concept
Technology Readiness Level: TRL 4
FIGURES OF MERIT
Value Proposition: The development of non-aqueous flow batteries has been limited by the fact that commercially available, ion selective membranes are not designed for non-aqueous use. However, Sandia has developed its own membranes that can be fine-tuned for optimal compatibility with non-aqueous electrolytes resulting in higher Coulombic efficiencies and reduced crossover.
Organization Type: Academic/Gov Lab
Showcase Booth #: 722
GOVT/EXTERNAL FUNDING SOURCES
Government Funding/Support to Date:
Primary Sources of Funding: Other
Looking for: Both Funding and Development Partners