Physical properties affecting transport processes inside the gas diffusion layer (GDL) in fuel cells mainly depend on the microscopic structure of its pore space. The presented characterization of the pore space is based on geometric 3D graphs, representing the complex microscopic structure. This description of the open volume contains the essential information on the geometrical structure of t...

A transparent model cell for direct ex-situ visualization of the dynamic characteristics growth, deformation and detachment liquid water in flow channel proton exchange membrane fuel (PEMFC) is designed. It fulfills requirements clear side imaging droplet behaviors channel. Different air velocities are implemented experiments to measure growth on gas diffusion layer (GDL) surface. The results s...

As a novel, grand AI challenge, General Game Playing is concerned with the development of systems that understand the rules of unknown games and play these games well without human intervention. In this paper, we show how Answer Set Programming can assist a general game player with the special class of single-player games. To this end, we present a translation from the general Game Description ...

Fuel cells are electrochemical devices which convert chemical energy of a reacting fuel directly into electricity with high efficiency and no pollution. Proton Exchange/ Polymer Electrolyte Membrane (PEM) fuel cells are likely to be among one of the most promising energy sources for transportation, heating and power generation. Some of the key materials used in PEM fuel cells are catalysts, mem...

Through-plane thermal conductivity of 14 SIGRACET gas diffusion layers (GDLs), including series 24 & 34, as well as 25 & 35, are measured under different compressive pressures, ranging from 2 to 14 bar, at the temperature of around 60 ͦC. The effect of compression, PTFE loadings, and micro porous layer (MPL) on thermal conductivity of the GDLs and their contact resistance with an iron clamping s...

Water transport through gas diffusion layer of proton exchange membrane fuels cells is investigated experimentally. A filtration cell is designed and the permeation threshold and the apparent water permeability of several carbon papers are investigated. Similar carbon paper with different thicknesses and different Teflon loadings are tested to study the effects of geometrical and surface proper...

The open architecture of cathodes in Li–air batteries implies the need for porosity with adequate pore size distribution and surface energy optimization regard to electrolyte. interaction liquid cathode material, especially wetting properties, which depend on roughness porosity, electrolyte needs be understood properly avoid flooding assure high active areas. In this work, contact angle goniome...

We have written a reference manual to use JUDE (Jayant’s UVIT Data Explorer) data pipeline software for processing and reducing the Ultraviolet Imaging Telescope (UVIT) Level 1 into event lists images—Level 2 data. The is in GNU Language (GDL) released as an open-source which may be freely used modified. GDL was chosen because it interpreted language allowing interactive analysis of data; thus ...

Abstract Anion exchange membrane fuel cells (AEMFCs) are in development as a low-cost alternative to proton (PEMFCs). AEMFCs produce water at the anode side and consume it cathode side, resulting no flooding like PEMFCs. However, brings complexity transportation behavior requires appropriate balance avoid drying out. In this study, two-dimensional two-phase multi-physics model has been develope...

Electrochemical pressure impedance spectroscopy (EPIS) was introduced in view to differentiating transport/transfer phenomena of gas and liquid occurring electrochemical cells. This work aimed at measuring EPIS a 100 cm2 membrane fuel cell upon predominant control from transport, conditions where the presence water is little significant. Operating with pure oxygen allowed observation convection...