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This study presents the synthesis and electrochemical characterization of a bimetallic PtCo electrocatalyst supported in a ZSM-5 zeolite and XC-72R Vulcan carbon 50 wt.% composite. Two synthesis methodologies were tested: reduction mediated by ethylene glycol and NaBH4. The catalyst electroactivity was assessed by measuring the electrochemical surface area, ESA, and the electrooxidation of methanol...
Vanadium redox flow batteries (VRFBs) are one of the most appealing candidates for large-scale energy storage, and hence, they have to get more developed to overwhelm commercialization obstacles such as high price of membrane and vanadium electrolyte. In this work, we have synthesized “graphene oxide (GO)-multiwalled carbon nanotubes (MWCNT)-RuO2” as positive electrode material for VRFBs. The mixture...
Electrochemical reduction of CO2 is performed in a solid oxide electrolysis cell (SOEC), with Cu-Pr0.1Ce0.9O2-δ (Cu-PDC) composite cathode and La0.8Sr0.2MnO3-δ (LSM) anode on yttria-stabilized zirconia (YSZ) electrolyte. The electrochemical performance of the fabricated SOEC for CO2 reduction is compared with a similar high-temperature SOEC having Cu-infiltrated praseodymium-doped ceria electrode...
A novel 4A zeolite modified platinum/reduced graphene oxide (Pt/RGO-4A zeolite) electrocatalyst has been successfully synthesized by one-step chemical co-reduction method. The electrocatalytic performances of Pt/RGO-4A zeolite electrocatalyst for methanol electrooxidation are investigated in 1.0 M CH3OH containing 1.0 M KOH solution. The results demonstrate that, with loading of 10% of 4A zeolite,...
The oxygen evolution reaction (OER) electrocatalysts are of significances for energy storage or conversion. However, the preparation of excellent electrocatalysts and their utilizations are still great challenges. In this paper, the in situ enrichment of cobalt by sulfate-reducing bacteria (IEC-SRB-Xs) with more uncovered by-production was successfully cultured and carbonized to serve as the OER electrocatalysts...
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