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Download fileFuel Exhaling Fuel Cell
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posted on 2018-01-02, 00:00 authored by Zahid Manzoor Bhat, Ravikumar Thimmappa, Mruthyunjayachari
Chattanahalli Devendrachari, Alagar Raja Kottaichamy, Shahid Pottachola Shafi, Swapnil Varhade, Manu Gautam, Musthafa Ottakam ThotiylState-of-the-art
proton exchange membrane fuel cells (PEMFCs) anodically
inhale H2 fuel and cathodically expel water molecules.
We show an unprecedented fuel cell concept exhibiting cathodic fuel
exhalation capability of anodically inhaled fuel, driven by the neutralization
energy on decoupling the direct acid–base chemistry. The fuel
exhaling fuel cell delivered a peak power density of 70 mW/cm2 at a peak current density of 160 mA/cm2 with a
cathodic H2 output of ∼80 mL in 1 h. We illustrate
that the energy benefits from the same fuel stream can at least be
doubled by directing it through proposed neutralization electrochemical
cell prior to PEMFC in a tandem configuration.
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neutralization electrochemical cellcathodic H 2 outputenergy benefitsanodically inhaled fuelPEMFCfuel streamwater moleculesanodically inhale H 2 fueltandem configurationpeak power densitycathodic fuel exhalation capabilityfuel cell conceptneutralization energyfuel Exhaling Fuel Cell State-of-the-art proton exchange membrane fuel cells1 hfuel cell