Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 13, Pages 4687-4689Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja111050h
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Funding
- Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-FG02-06ER15758]
- U.S. Army Research Office [W911NF-07-1-0330]
- U.S. Defense Threat Reduction Agency
- Robert A. Welch Foundation [F-0032]
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Here we report that pressure-driven flow alone (no external electrical energy) can be used to drive faradaic electrochemical reactions in microchannels with charged walls. Specifically, we show that solution flow can generate streaming potentials on the order of volts and that this is sufficient to carry out reactions on the anodic and cathodic poles of a bipolar electrode (BPE). The existence of faradaic reactions is proven by electrodissolution of Ag from the anodic end of the BPE.
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