Multiscale Architectured Membranes, Electrodes, and Transport Layers for Next-generation Polymer Electrolyte Membrane Fuel Cells.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202204902
Abstract: Over the past few decades, considerable advances have been achieved in polymer electrolyte membrane fuel cells (PEMFCs) based on the development of material technology. Recently, an emerging multiscale architecturing technology covering nanometer, micrometer, and millimeter… read more here.
Keywords: multiscale; electrolyte membrane; membrane; polymer electrolyte ... See more keywords
A Molecular‐Sieve Electrolyte Membrane enables Separator‐Free Zinc Batteries with Ultralong Cycle Life
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202207209
Abstract: The poor stability of the zinc‐metal anode is a main bottleneck for practical application of aqueous zinc‐ion batteries. Herein, a series of molecular sieves with various channel sizes are investigated as an electrolyte host to… read more here.
Keywords: separator free; molecular sieve; electrolyte membrane; zinc ... See more keywords
Review on bipolar plates for low‐temperature polymer electrolyte membrane water electrolyzer
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Energy Research"
DOI: 10.1002/er.7182
Abstract: Electrolysis coupled with renewable energy resources is the most promising method for green hydrogen production. Polymer electrolyte membrane water electrolyzer (PEMWE) has attracted attention due to its ability to produce high‐purity, compressed hydrogen at relatively… read more here.
Keywords: water electrolyzer; polymer electrolyte; bipolar plates; membrane water ... See more keywords
An experimental investigation of three-dimensional mechanical characteristics of gas diffusion layers in proton electrolyte membrane fuel cells
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-019-04273-x
Abstract: In this study, three-dimensional (3D) orthotropic mechanical properties of a commercial gas diffusion layer (GDL) are experimentally investigated. Although GDL is an important 3D structural membrane in proton electrolyte membrane fuel cells (PEMFCs), most papers… read more here.
Keywords: three dimensional; electrolyte membrane; membrane fuel; proton electrolyte ... See more keywords
Water management implications for ALD-modified polymer electrolyte membrane fuel cell catalysts
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Nanoparticle Research"
DOI: 10.1007/s11051-020-04921-8
Abstract: Device testing of polymer electrolyte membrane fuel cell catalysts is essential for electrocatalyst development, yet most reported catalysts fabricated with nanoceramic coatings via atomic layer deposition (ALD) have not been thoroughly examined in this fashion.… read more here.
Keywords: electrolyte membrane; fuel cell; membrane fuel; cell ... See more keywords
Chemical and electrochemical stability enhancement of lithium bis(oxalato)borate (LiBOB)-modified solid polymer electrolyte membrane in lithium ion half-cells
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.06.043
Abstract: Abstract Capacity retention of succinonitrile (SCN)-plasticized solid polymer electrolyte membrane (PEM) in lithium iron phosphate (LiFePO 4 ) half-cells has been investigated at an elevated temperature of 60 °C with or without lithium bis (oxalato)borate (LiBOB)… read more here.
Keywords: electrolyte membrane; half cells; half; lithium ... See more keywords
The stability challenge on the pathway to high-current-density polymer electrolyte membrane water electrolyzers
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.04.154
Abstract: Abstract The investment costs for polymer electrolyte membrane (PEM) water electrolysis can be reduced if systems are operated at elevated current densities. However, it remains unknown how this affects long-term stability. In this study, we… read more here.
Keywords: electrolyte membrane; water; current densities; stability ... See more keywords
Effect of stacking pressure on the performance of polymer electrolyte membrane fuel cell with various channel types
Sign Up to like & getrecommendations! Published in 2021 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2020.113803
Abstract: Abstract Polymer electrolyte membrane fuel cell (PEMFC) stacks are assembled via the sequential stacking of a number of PEMFC unit cells. In such a process, stacking pressure is applied to the PEMFC stack. This compression… read more here.
Keywords: performance; stacking pressure; membrane fuel; pressure ... See more keywords
Estimation of crack propagation in polymer electrolyte membrane fuel cell under vibration conditions
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.02.119
Abstract: Abstract In transportation applications, the main reasons of mechanical damage in polymer electrolyte membrane fuel cell (PEMFC) are road-induced vibrations and impact loads. The most vulnerable place of these cells is the interface between membrane… read more here.
Keywords: electrolyte membrane; fuel cell; membrane fuel; membrane ... See more keywords
Stochastic modeling of polymer electrolyte membrane fuel cell gas diffusion layers – Part 2: A comprehensive substrate model with pore size distribution and heterogeneity effects
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.04.269
Abstract: Abstract A stochastic modeling algorithm was developed that accounts for porosity distribution, fiber diameter, fiber co-alignment, fiber pitch, and binder and/or polytetrafluorethylene fractions. Materials representative of a commercially available GDL were digitally generated based on… read more here.
Keywords: stochastic modeling; electrolyte membrane; heterogeneity; modeling polymer ... See more keywords
Pore structure and effective diffusion coefficient of catalyzed electrodes in polymer electrolyte membrane fuel cells
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.01.019
Abstract: Abstract For polymer electrolyte membrane (PEM) fuel cells, the pore structure and small effective diffusion coefficient (EDC) of the catalyst layers have significant impact on the cell performance. In this study, both the pore structure… read more here.
Keywords: fuel cells; electrolyte membrane; catalyzed electrodes; pore structure ... See more keywords