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DTSTAMP:20261112T221849Z
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DTSTART;TZID=America/Chicago:20261211T110000
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DESCRIPTION:During this seminar\, the invited speaker will give a presentat
 ion titled "Comparative Study of Humidification Strategies and Water Manag
 ement in Electrochemical Hydrogen Pumps". Please see the abstract below:\n
 \nElectrochemical hydrogen pumps (EHPs) offer a promising alternative to m
 echanical compression by enabling hydrogen separation and compression in a
  single step. However\, their performance depends strongly on membrane hyd
 ration. This work compares two water management strategies in low-platinum
 -loading EHPs: cathode-side liquid water circulation and anode gas humidif
 ication. Cells with platinum loadings of 0.1 mg/cm² per electrode were ev
 aluated using electrochemical characterization and real-time water balance
  measurements.\n\nBoth configurations achieved cell voltages below 0.025 V
  at 1.5 A/cm²\, while anode gas humidification delivered better performan
 ce at higher current densities. Water balance and high-frequency resistanc
 e measurements indicate that opposing water diffusion and electro-osmotic 
 drag in the liquid-water-fed configuration can lead to insufficient membra
 ne hydration. With humidified anode gas\, these transport mechanisms act i
 n the same direction\, supporting improved hydration and performance. Thes
 e findings provide guidance for designing effective water management strat
 egies for low-temperature EHPs.\n\nCo-sponsored by: RESILIENT & CLEAN ENER
 GY SYSTEMS (RCES)\n\nSpeaker(s): Luis Padilla\, \n\nVirtual: https://event
 s.vtools.ieee.org/m/593499
LOCATION:Virtual: https://events.vtools.ieee.org/m/593499
ORGANIZER:bli4@ualberta.ca
SEQUENCE:28
SUMMARY:Comparative Study of Humidification Strategies and Water Management
  in Electrochemical Hydrogen Pumps
URL;VALUE=URI:https://events.vtools.ieee.org/m/593499
X-ALT-DESC:Description: <br /><p>During this seminar\, the invited speaker 
 will give a presentation titled "<strong>Comparative Study of Humidificati
 on Strategies and Water Management in Electrochemical Hydrogen Pumps</stro
 ng>". Please see the abstract below:</p>\n<p dir="ltr">Electrochemical hyd
 rogen pumps (EHPs) offer a promising alternative to mechanical compression
  by enabling hydrogen separation and compression in a single step. However
 \, their performance depends strongly on membrane hydration. This work com
 pares two water management strategies in low-platinum-loading EHPs: cathod
 e-side liquid water circulation and anode gas humidification. Cells with p
 latinum loadings of 0.1 mg/cm&sup2\; per electrode were evaluated using el
 ectrochemical characterization and real-time water balance measurements.</
 p>\n<p dir="ltr">Both configurations achieved cell voltages below 0.025 V 
 at 1.5 A/cm&sup2\;\, while anode gas humidification delivered better perfo
 rmance at higher current densities. Water balance and high-frequency resis
 tance measurements indicate that opposing water diffusion and electro-osmo
 tic drag in the liquid-water-fed configuration can lead to insufficient me
 mbrane hydration. With humidified anode gas\, these transport mechanisms a
 ct in the same direction\, supporting improved hydration and performance. 
 These findings provide guidance for designing effective water management s
 trategies for low-temperature EHPs.</p>\n<p>&nbsp\;</p>
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