Hydrogen Bromine Laminar Flow Electrochemical Cell for High Power and Efficiency Energy Storage Applications
William A. Braff, Cullen R. Buie
AI summary
70% confidenceA novel fuel cell system incorporating hydrogen bromine electrochemistry into a laminar flow fuel cell architecture is proposed, eliminating crossover losses and hydration requirements, and achieving 90% efficiency and 3.4 W/cm² peak power output.
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Abstract
We present a model for a novel fuel cell system incorporating hydrogen bromine electrochemistry into a laminar flow fuel cell architecture. The proposed system integrates the fast reaction kinetics of the bromine reduction reaction into a membrane-less device that relies on the fluid mechanics of laminar flow to maintain reactant separation. This design eliminates both the cross over losses and the hydration requirements that have limited the effectiveness of many previous proton exchange membrane-based hydrogen bromine fuel cells. A two dimensional model of the system predicts that the hydrogen bromine system will produce 1 W/cm² at 90% efficiency, with a peak power output of 3.4 W/cm².
Key findings
- The proposed system integrates fast reaction kinetics of bromine reduction reaction into a membrane-less device.
- The design relies on fluid mechanics of laminar flow to maintain reactant separation.
- The system predicts 1 W/cm² at 90% efficiency and 3.4 W/cm² peak power output.
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Identifiers
- Journal
- ECS Transactions
- Year
- 2011