PEMFC performance at nonstandard operating conditions: A review

RM Mensharapov, NA Ivanova, DD Spasov… - International Journal of …, 2024 - Elsevier
For successful operation of a fuel cell, its lifetime should be at least 40,000 h. Durability tests
are usually limited by certain/standard conditions. On the other hand, operation of a proton …

Efficient and stable subzero operation of a PEM fuel cell with a composite anode using hydrogen-methanol composition during freeze/thaw cycles

NA Ivanova, DD Spasov, RM Mensharapov… - International Journal of …, 2023 - Elsevier
The present research deals with the adaptation of hydrogen-air fuel cells with proton
exchange membrane (PEMFC) to autonomous periodic operation at subzero ambient …

Recent Advances in the Development of Nanocarbon-Based Electrocatalytic/Electrode Materials for Proton Exchange Membrane Fuel Cells: A Review

AA Zasypkina, NA Ivanova, DD Spasov… - Catalysts, 2024 - mdpi.com
The global issue for proton exchange membrane fuel cell market development is a reduction
in the device cost through an increase in efficiency of the oxygen reduction reaction …

The PtM/C (M= Co, Ni, Cu, Ru) electrocatalysts: Their synthesis, structure, activity in the oxygen reduction and methanol oxidation reactions, and durability

S Belenov, A Pavlets, K Paperzh, D Mauer… - Catalysts, 2023 - mdpi.com
PtM/C (M= Co, Ni, Cu, Ru) catalysts were prepared by wet-synthesis methods. The
composition and structure of the synthesized materials were estimated by TXRF, XRD, TEM …

SAXS Investigation of the Effect of Freeze/Thaw Cycles on the Nanostructure of Nafion® Membranes

RM Mensharapov, NA Ivanova, DD Spasov… - Polymers, 2022 - mdpi.com
In this study, we performed small-angle X-ray scattering (SAXS) to investigate the structure
of Nafion® membranes. The effect of freeze/thaw (F/T) cycles (from ambient temperature …

Study of the Cathode Pt-Electrocatalysts Based on Reduced Graphene Oxide with Pt-SnO2 Hetero-Clusters

DD Spasov, NA Ivanova, RM Mensharapov… - Inorganics, 2023 - mdpi.com
A complex study of the structure, morphology, and electrochemical properties of the
Pt20/SnO210/RGO electrocatalyst is presented. The advantage of the chemical synthesis of …

Adsorption and Recombination of H+ and H3O+ on Graphene-Supported Pt1, Pt13, and Pt14 Nanoclusters: A First Principles Study

SA Smirnov, RM Mensharapov, DD Spasov… - Catalysts, 2024 - mdpi.com
Platinum electrocatalysts on graphene-like supports have recently attracted research
interest as components of electrochemical devices based on hydrogen oxidation reactions …

Stability of Pt10Sn3 Clusters Supported on γ‐Al2O3 in Oxidizing Environment: a DFT Comparison of Alloying and Size Effects

M Shahrokhi, C Chizallet, D Loffreda… - ChemCatChem, 2022 - Wiley Online Library
The understanding of the structure and properties of γ‐Al2O3 supported platinum‐tin
catalysts in oxidizing conditions is of prominent importance for many catalytic reactions. By …

[HTML][HTML] Carbon-Supported Pt-SiO2 Catalysts for Oxygen Reduction Reaction in Low-Temperature Range: Rotating Disk Electrode Study

RM Mensharapov, DD Spasov, MV Sinyakov… - Hydrogen, 2025 - mdpi.com
The activities of Pt electrocatalysts modified with a prepared silica powder (with SiO2
contents of 3 and 7 wt%) in the oxygen reduction reaction in the temperature range from 0° …

Influence of caprolactam on the tin electrodeposition on a dispersed carbon support and preparation of Pt/(SnO 2/C) catalysts

DK Mauer, SV Belenov - Electrochemical Materials and …, 2023 - journals.urfu.ru
Composite SnO 2/C materials obtained by electrodeposition of tin on Vulcan XC72 particles
were used to fabricate a platinum catalyst for the oxygen electroreduction reaction (ORR) …