Effect of Carbonate on Anion Exchange Membrane Conductivity and Hydrogen Oxidation for AEMFCs

2019 ◽  
Vol 28 (21) ◽  
pp. 103-109 ◽  
Author(s):  
Jose A. Vega ◽  
Shawna Smith ◽  
Casey Chartier ◽  
W. Mustain
Author(s):  
Lulu An ◽  
Xu Zhao ◽  
Tonghui Zhao ◽  
Deli Wang

Anion exchange membrane fuel cell (AEMFC) is becoming highly attractive for hydrogen utilization owing to the advantages of employing economic catalysts in alkaline electrolytes. Nevertheless, the kinetics of anodic hydrogen...


2019 ◽  
Vol 2 (7) ◽  
pp. 4999-5008 ◽  
Author(s):  
Marco Bellini ◽  
Maria V. Pagliaro ◽  
Anna Lenarda ◽  
Paolo Fornasiero ◽  
Marcello Marelli ◽  
...  

ACS Catalysis ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 6837-6845 ◽  
Author(s):  
Elena S. Davydova ◽  
Florian D. Speck ◽  
Michael T.Y. Paul ◽  
Dario R. Dekel ◽  
Serhiy Cherevko

Energies ◽  
2020 ◽  
Vol 13 (3) ◽  
pp. 582 ◽  
Author(s):  
Van Men Truong ◽  
Julian Richard Tolchard ◽  
Jørgen Svendby ◽  
Maidhily Manikandan ◽  
Hamish A. Miller ◽  
...  

The development of active hydrogen oxidation reaction (HOR) and oxygen reduction reaction (ORR) catalysts for use in anion exchange membrane fuel cells (AEMFCs), which are free from platinum group metals (PGMs), is expected to bring this technology one step closer to commercial applications. This paper reports our recent progress developing HOR Pt-free and PGM-free catalysts (Pd/CeO2 and NiCo/C, respectively), and ORR PGM-free Co3O4 for AEMFCs. The catalysts were prepared by different synthesis techniques and characterized by both physical-chemical and electrochemical methods. A hydrothermally synthesized Co3O4 + C composite ORR catalyst used in combination with Pt/C as HOR catalyst shows good H2/O2 AEMFC performance (peak power density of ~388 mW cm−2), while the same catalyst coupled with our flame spray pyrolysis synthesised Pd/CeO2 anode catalysts reaches peak power densities of ~309 mW cm−2. Changing the anode to nanostructured NiCo/C catalyst, the performance is significantly reduced. This study confirms previous conclusions, that is indeed possible to develop high performing AEMFCs free from Pt; however, the challenge to achieve completely PGM-free AEMFCs still remains.


Nanoscale ◽  
2018 ◽  
Vol 10 (10) ◽  
pp. 4872-4881 ◽  
Author(s):  
Bowen Qin ◽  
Hongmei Yu ◽  
Jia Jia ◽  
Chi Jun ◽  
Xueqiang Gao ◽  
...  

Herein, a novel non-platinum IrNi@PdIr/C exhibits enhanced hydrogen oxidation activity and excellent stability under alkaline conditions.


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