In the present study, non-PGM catalyst was synthesized by the sacrificial support method and the electrospraying technique was used to fabricate catalyst layer electrodes. Electrodes with substantially different structural properties were obtained by varying the electrospraying parameters such as ink flow ...
15, the thin Pt/C catalyst layer (using a very low loading of 0.035 mgPt/cm2, which is only ~ 30% of the target, 0.1 mgPt/cm2) is fabricated between the membrane and Fe–N–C catalyst layer, generating a hybrid catalyst layer. The mass activity of this MEA reaches 0.22 A ·...
Their PGM-free catalyst layer (from x-ray CT visualization) showed large pores on the order of 10s of μm. It is not clear whether their catalyst is hydrophobic, if so, then water will pool in these large voids. The neutron imaging has resolution of 13 μm, and the PGM-free ...
We present here an overview of recent advances in understanding water management in PGM-free catalyst layer for ORR in PEFCs and provide an opinion on design guidance in optimizing catalyst layers to avoid flooding.doi:10.1016/j.coelec.2020.08.004Pongsarun Satjaritanun...
The evolution of cell performance with varying cathode catalyst layer compositions, back pressure, and dew points is underscored. The as-synthesized PtRu/C catalyst is characterized by advanced transmission electron microscopy and showed significantly high performance reaching a peak power density of 1900...
Through transport modelling, we identify that an anion-exchange ionomer in the catalyst layer improves local bicarbonate availability and increasing the proton transference number in the bipolar membranes increases COregeneration and limits Kconcentration in the cathode region. Through experiments, we show ...
Iron-nitrogen-carbon catalyst based on iron phthalocyanine supported on nitrogen-functionalized carbon black pearls (FeBP(N)) was integrated into gas diffusion layer electrodes by hot pressing and tested at the cathode side of microbial fuel cells (MFC). As highlighted by I-V characteristics, peak...
The ammonia slip catalyst can have dual layers, with one of the layers containing an SCR catalyst, a second layer containing the oxidation catalyst with comprises at least two metals, each of which is selected from a specific group, and the ammonia slip catalyst does not contain a platinum ...
S. Stariha, K. Artyushkova, M. J. Workman, A. Serov, S. Mckinney, B. Halevi, P. Atanassov, PGM-free Fe-N-C catalysts for oxygen reduction reaction: Catalyst layer design. J. Power Sources 326, 43-49 (2016).Stariha, S.; Artyushkova, K.; Workman, M. J.; Serov, A.; ...
In the last step, the mass of soot was calculated on the basis of the soot layer density. Results The regeneration performance of different PGM-free catalysed DPFs is shown in FIG. 3. The best regeneration properties were found for CPF-15-Ag—Ce composition. The same catalyst was the ...