Articles with "current densities" as a keyword



Photo from wikipedia

Experimental study to distinguish the effects of methanol slip and water vapour on a high temperature PEM fuel cell at different operating conditions

Sign Up to like & get
recommendations!
Published in 2017 at "Applied Energy"

DOI: 10.1016/j.apenergy.2016.11.063

Abstract: Abstract The objective of this paper is to separate out the effects of methanol and water vapour on a high temperature polymer electrolyte membrane fuel cell under different temperatures (160 °C and 180 °C) and current densities… read more here.

Keywords: effects methanol; water; water vapour; fuel ... See more keywords
Photo by austriannationallibrary from unsplash

Simultaneous use of a crossflow filtration membrane as microbial fuel cell anode - Permeate flow leads to 4-fold increased current densities.

Sign Up to like & get
recommendations!
Published in 2018 at "Bioresource technology"

DOI: 10.1016/j.biortech.2018.02.032

Abstract: A new concept for the combination of membrane bioreactors and microbial fuel cells is introduced, that aims at the production of electricity for reducing the overall energy consumption of wastewater treatment. In contrast to previous… read more here.

Keywords: permeate flow; microbial fuel; current densities; membrane ... See more keywords
Photo from wikipedia

Enabling the full exposure of Fe2P@NixP heterostructures in tree-branch-like nanoarrays for promoted urea electrolysis at high current densities

Sign Up to like & get
recommendations!
Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.128067

Abstract: Abstract It’s highly desirable but still challenging, through the structure construction strategy, to design brilliant bifunctional electrocatalysts for the urea oxidation reaction (UOR) and hydrogen evolution reaction (HER) with both fast electron and mass transport,… read more here.

Keywords: tree branch; high current; branch like; fe2p nixp ... See more keywords
Photo from wikipedia

The stability challenge on the pathway to high-current-density polymer electrolyte membrane water electrolyzers

Sign Up to like & get
recommendations!
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
Photo by rockstaar_ from unsplash

Advantages of CO over CO2 as reactant for electrochemical reduction to ethylene, ethanol and n-propanol on gas diffusion electrodes at high current densities

Sign Up to like & get
recommendations!
Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2019.03.142

Abstract: Abstract The electrochemical conversion of CO2 to value-added chemicals is a technology gaining broader interest as society moves towards a carbon-neutral circular economy. Nonetheless, there are still several challenges to overcome before this technology can… read more here.

Keywords: gas diffusion; ethanol propanol; electrochemical reduction; current densities ... See more keywords
Photo by martindorsch from unsplash

A hierarchically porous and hydrophilic 3D nickel–iron/MXene electrode for accelerating oxygen and hydrogen evolution at high current densities

Sign Up to like & get
recommendations!
Published in 2019 at "Nano Energy"

DOI: 10.1016/j.nanoen.2019.103880

Abstract: Abstract Electrocatalytic water-splitting is one of the most economical and clean way for high-purity hydrogen production utilizing renewable energy sources. Key issue to large-scale implementation of this technology is the lack of efficient electrocatalysts that… read more here.

Keywords: high current; hydrogen; oxygen hydrogen; mxene ... See more keywords

Investigation of Ethylene and Propylene Production from CO2 Reduction over Copper Nanocubes in an MEA-Type Electrolyzer.

Sign Up to like & get
recommendations!
Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c18856

Abstract: Previous work carried out in fully liquid environments and at low current densities has demonstrated that highly uniform faceted copper nanocrystals display different selectivity profiles in CO2 reduction compared to polycrystalline copper. As part of… read more here.

Keywords: copper; current densities; copper nanocubes; co2 reduction ... See more keywords
Photo from wikipedia

Which Exchange Current Densities Can Be Achieved in Composite Cathodes of Bulk-Type All-Solid-State Batteries? A Comparative Case Study.

Sign Up to like & get
recommendations!
Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c06460

Abstract: The performance of bulk-type all-solid-state Li batteries (ASSBs) depends critically on the contacts between cathode active material (CAM) particles and solid electrolyte (SE) particles inside the composite cathodes. These contacts determine the Li+ exchange current… read more here.

Keywords: type solid; current densities; exchange current; bulk type ... See more keywords
Photo by danedeaner from unsplash

Sustaining Enhanced Electrical Conductivity in KAuBr4-Doped Carbon Nanotube Wires at High Current Densities

Sign Up to like & get
recommendations!
Published in 2019 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.9b01859

Abstract: Densification and chemical doping with KAuBr4 is shown to improve the electrical conductivity of commercially-scaled CNT wires by a factor of 6 to values greater than 1 MS/m, while increasing the failure current density by… read more here.

Keywords: kaubr4 doped; current densities; conductivity; cnt wires ... See more keywords
Photo by vlisidis from unsplash

Managing Hydration at the Cathode Enables Efficient CO2 Electrolysis at Commercially Relevant Current Densities

Sign Up to like & get
recommendations!
Published in 2020 at "ACS energy letters"

DOI: 10.1021/acsenergylett.0c00637

Abstract: Gas-fed CO2 electrochemical flow reactors are appealing platforms for the electrolytic conversion of CO2 into fuels and chemical feedstocks at commercially relevant current densities (≥100 mA/cm2).... read more here.

Keywords: managing hydration; hydration cathode; relevant current; cathode enables ... See more keywords
Photo from wikipedia

Strategies for Designing High-Performance Hydrogen Evolution Reaction Electrocatalysts at Large Current Densities above 1000 mA cm-2.

Sign Up to like & get
recommendations!
Published in 2022 at "ACS nano"

DOI: 10.1021/acsnano.2c02820

Abstract: The depletion of fossil fuels and rapidly increasing environmental concerns have urgently called for the utilization of clean and sustainable sources for future energy supplies. Hydrogen (H2) is recognized as a prioritized green resource with… read more here.

Keywords: performance; current densities; hydrogen; evolution reaction ... See more keywords