Two-phase flow in the gas diffusion layer with different perforation of proton exchange membrane fuel cell: International Journal of Green Energy ...
Two-phase flow in the gas diffusion layer with different perforation of proton exchange membrane fuel cell Tianshu Li a State Key Laboratory of Engines, Tianjin University, Tianjin, China;b National Industry-Education Platform for Energy Storage, Tianjin University, Tianjin, China View further author information
The gap between academic research on proton exchange membrane …
Driven by carbon neutral targets, proton exchange membrane water electrolysis is becoming a hot technology due to its capability to convert fluctuating power into green hydrogen. Unfortunately ...
A review on flow field design for proton exchange membrane fuel …
A Proton Exchange Membrane Fuel Cell (PEMFC) uses pure hydrogen as fuel and air as oxygen source. This combination generates electrical power, water and …
A review on flow field design for proton exchange membrane fuel …
A Proton Exchange Membrane Fuel Cell (PEMFC) uses pure hydrogen as fuel and air as oxygen source. This combination generates electrical power, water and heat (but no greenhouse gas [GHG] emissions – Fig. 1). Download : …
Liquid Cooling Flow Field Design and Thermal Analysis of Proton Exchange Membrane …
The National Aeronautics and Space Administration (NASA) has used proton exchange membrane fuel cells (PEMFC) or alkaline fuel cell (AFC) technology in space missions as the primary energy source in many manned space missions since the …
A green hydrogen energy storage concept based on parabolic trough collector and proton exchange membrane …
Battery energy storage systems (i.e., Lead-acid, Lithium-ion, Nickel-cadmium, Sodium-sulfur, Redox flow, and Hybrid flow) are mostly used as short-term and medium-term storage systems [8]. These systems in terms of power and energy density, size, portability, and rapid response are used for emergency power devices and also for …
Three‐dimensional simulations for counter‐flow proton exchange membrane fuel cells with thin catalyst‐coated membrane cooled by liquid …
Three-dimensional simulations were performed for proton exchange membrane fuel cell (PEMFC) with thin catalyst-coated membrane (CCM) regarding liquid water cooling design. The studied PEMFC follows a counter-flow pattern for the H 2 and air stream, which is commonly adopted in today''s automotive PEMFCs. ...
Towards cost-effective proton-exchange membranes for redox flow batteries…
components represented by proton exchange membrane (PEM) in flow batteries are of relatively high cost in ... the device includes two liquid storage tanks and two peristaltic pups. 1.5 M V 2+ /V 3+ in 3 M H 2 SO 4 solution and 1.5 M VO 2 + /VO ...
of SPEEK Amphoteric Proton Exchange in All Vanadium Flow Batteries …
Review of SPEEK Amphoteric Proton Exchange Membranes in All Vanadium Flow Batteries Tianyuan Han, Ying Bi, Ming Song ... As a large-scale energy storage device, all vanadium flow battery (VRFB ...
Designing the next generation of proton-exchange membrane fuel …
With the rapid growth and development of proton-exchange membrane fuel cell (PEMFC) technology, there has been increasing demand for clean and …
Next-Generation Proton-Exchange Membranes in Microbial Fuel …
Energy Technology is an applied energy journal covering technical aspects of energy process engineering, including generation, conversion, storage, & distribution. The adoption of microbial fuel cell (MFC) technology hinges on the development of efficient proton-exchange membranes (PEMs), which significantly influences fuel cell performance and …
Sulfonated NbS 2 -based proton-exchange membranes for vanadium redox flow batteries …
The cell assembled with the optimized membrane incorporating 2.5 wt% of S-NbS 2 nanoflakes (SPEEK:2.5% S-NbS 2) exhibits high efficiency metrics, i.e., coulombic efficiency between 98.7 and 99.0%, voltage efficiency between 90.2 and 73.2% and energy −2
Recent developments of proton exchange membranes for …
Song et al. ( E4tech Ltd, 2019) published a review on developments of materials, fabrication, and applications of PEMFC in the past few years along with a comparison with each other. Devanathan (2008) elicited the developments in the proton exchange membrane in recent years with its thorough chemistry.
Polysulfide-based redox flow batteries with long life and low levelized cost enabled by charge-reinforced ion-selective membranes | Nature Energy
Nafion ion-exchange membrane is widely used in RFBs to conduct positively charged cations and block ... a comparison of aqueous and nonaqueous flow batteries. Energy Environ. Sci. 7, 3459 –3477 ...
Proton Exchange Membrane Fuel Cells: High-Temperature, Low-Humidity Operation …
Abstract. Proton exchange membrane fuel cells (PEMFCs) together with hydrogen represent an important storage and utilization technology for energy generated from renewable sources such as wind, solar, geothermal, or hydroelectric. This is due in part to their high energy density, low operating temperature, rapid start-up, modular design ...
Membranes | Free Full-Text | Pore-Scale Modeling of Liquid Water Transport in Compressed Gas Diffusion Layer of Proton Exchange Membrane …
Water management of the gas diffusion layer (GDL) is crucial to the performance of proton exchange membrane fuel cells (PEMFCs). Appropriate water management ensures efficient transport of reactive gases and maintains wetting of the proton exchange membrane to enhance proton conduction. In this paper, a two …
A review of water management methods in proton exchange membrane …
Abstract. In recent years, fuel cells have gained prominence as a vital sustainable energy source. proton exchange membrane fuel cells (PEMFCs), utilizing hydrogen for electricity generation, have become especially widespread. However, addressing water management challenges remains crucial. Accumulated liquid water in …
Rechargeable proton exchange membrane fuel cell containing an intrinsic hydrogen storage …
Proton exchange membrane fuel cells (PEMFCs) are promising clean energy conversion devices in residential, transportation, and portable applications. Currently, a high-pressure tank is the state ...
Robust proton exchange membrane for vanadium redox flow batteries reinforced by silica-encapsulated nanocellulose …
High mechanical strength is of vital importance for proton exchange membranes in long-term operation of VRFBs, especially in wet condition, as the membrane is always immersed in liquid electrolyte. Fig. 5 illustrates the tensile strength of pristine SPES, NC-SPES and CNC-SPES.
Polymers | Free Full-Text | Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges …
Fuel cells based on proton exchange membranes (PEMs) are among the most promising electrochemical-generating devices due to their high efficiency, high power density, low emissions, and energy supply [4,5]. Even when compared to …
Progress in the use of ionic liquids as electrolyte membranes in …
The protic ionic liquid [dema] [TfO] exhibits high thermal stability and high ionic conductivity at 120 °C under anhydrous conditions and can be used as a proton conductive electrolyte in H 2 /O 2 fuel cells. These membranes have proton conductivities of approximately 1.0×10 −2 S cm −1 at 120 °C.
Proton Exchange Membrane Fuel Cells (PEMFCs) | SpringerLink
Abstract. Membrane electrode assembly (MEA) is the core component of proton exchange membrane fuel cell, which is composed of proton exchange membrane, cathode and anode catalytic layers and gas diffusion layers. The cost of MEA accounts for more than 60% of that of the total system, and particularly, the cost of …
Proton-exchange membrane fuel cell
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PEMFCs are built out of membrane electrode assemblies (MEA) which include the electrodes, electrolyte, catalyst, and gas diffusion layers. An ink of catalyst, carbon, and electrode are sprayed or painted onto the solid electrolyte and carbon paper is hot pressed on either side to protect the inside of the cell and also act as electrodes. The pivotal part of the cell is the triple phase boundary (TPB) where the electrolyte, catalyst, and reactants mix and thus where the cell reacti…
Proton Exchange Membrane Fuel Cells (PEMFCs): Advances …
The study of proton exchange membrane fuel cells (PEMFCs) has received intense attention due to their wide and diverse applications in chemical sensors, electrochemical devices, batteries, supercapacitors, and power generation, which has led to the design of membrane-electrode assemblies (MEAs) that operate in different fuel cell …
Review of the proton exchange membranes for fuel cell applications
The proton exchange membranes (PEMs) currently used in fuel cells, such as Nafion ® membranes, are highly proton conductive and chemically and physically stable at moderate temperatures [40], [147]. However, these preferable properties are deteriorated above their glass transition temperature (T g) ca. 110 °C.
Key Components and Design Strategy for a Proton Exchange Membrane …
1 Introduction In the past few decades, the extensive consumption of fossil fuels has caused deteriorating environmental pollution, and developing clean and renewable energy has become a matter of utmost urgency on a short-term scale. [1, 2] Hydrogen, as an attractive alternative energy carrier, shows great potential to relieve the …
A review of the microporous layer in proton exchange membrane fuel cells: Materials and structural designs based …
Proton exchange membrane fuel cells are devices that directly convert chemical energy to electricity. A hydrogen oxidation reaction takes place on the anode side, generating protons and electrons.
A Critical Review on the Use of Ionic Liquids in Proton Exchange Membrane …
The critical aspect of the fuel-cell performance is stability, which is heavily impacted by the conductivity of the IL. Typically, ILs possess conductivities that are in the range 1.0 × 10 −4 –1.8 × 10 −4 S/cm [ 19 ]. For instance, ILs based on imidazolium cations exhibit conductivity of approximately 1 mS/cm [ 19 ].
