Durability challenges and perspective in the development of PGM-free electrocatalysts for the oxygen reduction reaction
Significant advancement in the development of highly active platinum group metal-free
(PGM-free) electrocatalysts is giving rise to the possibility of a low-cost replacement for Pt …
(PGM-free) electrocatalysts is giving rise to the possibility of a low-cost replacement for Pt …
Physical and chemical considerations for improving catalytic activity and stability of non-precious-metal oxygen reduction reaction catalysts
Recent non-precious-metal catalysts (NPMCs) show promise to replace in the future
platinum-based catalysts currently needed for the electroreduction of oxygen (ORR) in …
platinum-based catalysts currently needed for the electroreduction of oxygen (ORR) in …
Nanoscale simulation of local gas transport in catalyst layers of proton exchange membrane fuel cells
Reducing Platinum amount in proton exchange membrane fuel cell (PEMFC) is one of the
main tasks to achieve low cost PEMFC. Recently, significant performance loss has been …
main tasks to achieve low cost PEMFC. Recently, significant performance loss has been …
Effects of Pt and ionomer ratios on the structure of catalyst layer: A theoretical model for polymer electrolyte fuel cells
H Ishikawa, Y Sugawara, G Inoue, M Kawase - Journal of Power Sources, 2018 - Elsevier
The 3D structure of the catalyst layer (CL) in the polymer electrolyte fuel cell (PEFC) is
modeled with a Pt/carbon (Pt/C) ratio of 0.4–2.3 and ionomer/carbon (i/C) ratio of 0.5–1.5 …
modeled with a Pt/carbon (Pt/C) ratio of 0.4–2.3 and ionomer/carbon (i/C) ratio of 0.5–1.5 …
Pore scale study of multiphase multicomponent reactive transport during CO2 dissolution trapping
Solubility trapping is crucial for permanent CO 2 sequestration in deep saline aquifers. For
the first time, a pore-scale numerical method is developed to investigate coupled scCO 2 …
the first time, a pore-scale numerical method is developed to investigate coupled scCO 2 …
Lattice Boltzmann simulation of mass transfer coefficients for chemically reactive flows in porous media
We present lattice Boltzmann (LB) simulations for the mass transfer coefficient from bulk
flows to pore surfaces in chemically reactive flows for both ordered and disordered porous …
flows to pore surfaces in chemically reactive flows for both ordered and disordered porous …
Computational prediction of nanoscale transport characteristics and catalyst utilization in fuel cell catalyst layers by the lattice Boltzmann method
S Shin, AR Kim, S Um - Electrochimica Acta, 2018 - Elsevier
In the present study, a three-dimensional lattice Boltzmann model based on the quasi-
random nanostructural model is proposed to evaluate the mass transport properties and …
random nanostructural model is proposed to evaluate the mass transport properties and …
Apparent contact angles of liquid water droplet breaking through a gas diffusion layer of polymer electrolyte membrane fuel cell
The lattice Boltzmann method is used to simulate the three-dimensional dynamic process of
liquid water breaking through the gas diffusion layer (GDL) in the polymer electrolyte …
liquid water breaking through the gas diffusion layer (GDL) in the polymer electrolyte …
Lattice Boltzmann method for conjugated heat and mass transfer with general interfacial conditions
A general interfacial treatment for the transport process in multicomponent systems
governed by the convection-diffusion equation, together with conjugated interfaces where …
governed by the convection-diffusion equation, together with conjugated interfaces where …
A mesoscopic model for transient mass transfer of volatile organic compounds from porous walls of different structures
Y Su, T Ng, Y Zhang, JH Davidson - International Journal of Heat and Mass …, 2018 - Elsevier
Transient mass diffusion and convection of volatile organic compounds (VOCs) from walls is
an important issue for air quality in buildings. In the present work, a new model of these …
an important issue for air quality in buildings. In the present work, a new model of these …