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Date of download: 10/26/2017 Copyright © ASME. All rights reserved.

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1 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: (a) Schematic of standard five-layer PEMFC MEA architecture and (b) dimensioned (cm) drawing of low-temperature MEA

2 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: (a) Labeled component diagram of ultrasonic bonding system and (b) actual system used for research

3 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: Schematic of the MEA setup prior to ultrasonic bonding

4 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: (a) 400 kN hot press used to bond MEAs and (b) schematic of MEA in press prior to thermal sealing

5 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: Cell testing hardware

6 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: MEA polarization curves for optimized ultrasonic and thermal MEAs using conditioned membrane, high-loaded electrodes (0.36 mg Pt/cm2), 2.0/2.0 stoich, and atmospheric pressure

7 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: Impedance scan data at 0.6 A/cm2 (semicircular shape) for an ultrasonically bonded MEA with high electrode loading and conditioned membrane

8 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: IR-corrected plot showing performance losses at high current densities of an ultrasonically bonded MEA consisting of conditioned membrane and high catalyst-loaded electrode tested with 2.0/2.0 stoich at 1 atm pressure

9 Date of download: 10/26/2017 Copyright © ASME. All rights reserved. From: Comparison of Performance Losses Between Ultrasonic and Thermal Bonding of Membrane Electrode Assemblies in Proton Exchange Membrane Fuel Cells J. Fuel Cell Sci. Technol. 2013;10(4): doi: / Figure Legend: CV scan of ultrasonically bonded MEA (black) with thermal pressed MEA data (gray) overlaid


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