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CO2 concentration using bipolar membrane electrodialysis
Conferences & Talks

Gordon Research Conference on Electrochemistry 2010 (GRC Electrochemistry 2010)

10 January 2010 - 15 January 2010
Ventura, California, USA



The ability to efficiently capture carbon dioxide (CO2) from the atmosphere would be a transformational technology, enabling the capture of CO2 for use in carbon-neutral liquid fuels [1] as well as the possibility to directly reduce the atmospheric CO2 concentration via capture and sequestration. Capture and concentration of CO2 from dilute sources such as the atmosphere will likely use carbonate or bicarbonate capture solutions [2]. We present new experimental results of CO2 concentration from potassium carbonate and bicarbonate solutions using bipolar membrane electrodialysis. By carefully monitoring the pH, CO2 transport, current, and voltage during the experiment, we determine the rate and energy consumption of CO2 transport. We also discuss progress toward high-pressure electrodialysis [3] for improved performance and reliability. [1] Karl Littau et al., "An 'Atmospherically Healthy' Recipe for Carbon-Neutral Fuels: A synthetic fuel made from sunlight, CO2, and water," CTSI Clean Technology & Sustainable Industries Conference & Trade Show, Boston, MA, June 1-5, 2008. [2] M.D. Eisaman et al., "Energy-efficient electrochemical CO2 capture from the atmosphere," Tech. Proc. of 2009 Clean Tech. Conf. and Trade Show, p. 175 (2009). [3] K. Littau, "System and method for recovery of CO2 by aqueous carbonate flue gas capture and high efficiency bipolar membrane electrodialysis," U.S. Patent Pending.


Dr. Matthew Eisaman is an applied physicist in PARC's Cleantech Innovation Program. His primary focus is investigating the production of renewable liquid fuel via atmospheric carbon dioxide capture. He is also researching ways to reduce the cost of solar energy.

Prior to coming to PARC, Matt was a National Research Council Postdoctoral Research Associate at the National Institute of Standards and Technology. While there, and during his doctoral work, Matt applied techniques in experimental atomic physics, quantum optics, and nonlinear optics to problems in encryption and communication.

Matt received his A.B. degree in Physics (magna cum laude) from Princeton University, and his M.A. and Ph.D. in Physics from Harvard University. His shift in research focus from quantum optics to renewable energy and cleantech in 2008 was stimulated by the fact that the energy/climate problem must be solved soon, and that doing so will require the serious attention of researchers from many different fields.