Articles with "molecular sieve" as a keyword



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Reducing Water Activity by Zeolite Molecular Sieve Membrane for Long-Life Rechargeable Zinc Battery.

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Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202102415

Abstract: Aqueous electrolytes offer major advantages in safe battery operation, green economy, and low production cost for advanced battery technology. However, strong water activity in aqueous electrolytes provokes a hydrogen evolution reaction and parasitic passivation on… read more here.

Keywords: water activity; water; zeolite molecular; molecular sieve ... See more keywords

A Molecular‐Sieve Electrolyte Membrane enables Separator‐Free Zinc Batteries with Ultralong Cycle Life

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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

Ultra‐selective carbon molecular sieve membranes derived from carboxylated polymers of intrinsic microporosity for hydrogen and air separation

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Published in 2025 at "AIChE Journal"

DOI: 10.1002/aic.70126

Abstract: Carbon molecular sieve (CMS) membranes hold significant potential for advanced gas separation and purification, yet further improvements in molecular sieving properties remain a critical challenge. In this study, carboxylated‐PIM‐1 (PIM‐COOH) polymers were synthesized by hydrolyzing… read more here.

Keywords: molecular sieve; carbon molecular; separation; air separation ... See more keywords

Rational Regulation of Crystalline/Amorphous Microprisms-Nanochannels Based on Molecular Sieve (VSB-5) for Electrochemical Overall Water Splitting.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202200832

Abstract: Rational regulation of the composition and structure of electrocatalysts is crucial to the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Herein, a new electrocatalyst of nickel phosphate microprism (VSB/NiPO) is developed via a… read more here.

Keywords: water splitting; overall water; vsb nipo; rational regulation ... See more keywords

Enhanced molecular recognition for imprinted monolithic column containing polyhedral oligomeric silsesquioxanes by dendritic effect of mesoporous molecular sieve scaffolds

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Published in 2018 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-018-1166-8

Abstract: The dendritic effect of nano mesoporous molecular sieve was first used to enhance molecular recognition of molecularly imprinted polymers (MIPs)-based polyhedral oligomeric silsesquioxanes (POSS). In this study, the MIPs were made using S-naproxen (S-NAP) as… read more here.

Keywords: dendritic effect; mcm mps; mesoporous molecular; effect ... See more keywords

Determination of fluoroquinolones in food samples by magnetic solid-phase extraction based on a magnetic molecular sieve nanocomposite prior to high-performance liquid chromatography and tandem mass spectrometry

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Published in 2019 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-019-01726-0

Abstract: AbstractIn this study, a magnetic molecular sieve material (Fe3O4@MCM-48) was synthesized by a combination of solvothermal and self-assembly methods. The physicochemical properties of the magnetic molecular sieve material were characterized by scanning electron microscopy, energy-dispersive… read more here.

Keywords: extraction; microscopy; magnetic solid; molecular sieve ... See more keywords

Iron doped aluminophosphate molecular sieve with improved adsorption capacity for water vapor

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Published in 2018 at "Adsorption"

DOI: 10.1007/s10450-018-9966-x

Abstract: AbstractWith a characteristic of S-shape isotherms for water vapor adsorption, aluminophosphate molecular sieve with AFI type (AlPO-5) has been considered as an up-and-coming adsorbent for the utilization in the adsorption cooling and heating (ACH) system.… read more here.

Keywords: adsorption; water vapor; molecular sieve; aluminophosphate molecular ... See more keywords

Synthesis of carbon molecular sieve microspheres via amino phenolic resin as precursor formed from in-situ reaction composite micelles

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Published in 2017 at "Journal of Porous Materials"

DOI: 10.1007/s10934-017-0549-0

Abstract: The carbon molecular sieve microspheres (CMSm) is one kind of porous carbonaceous materials. Owing to its high surface area and stability, CMSm have been attracted immense attention in various fields. In this study, the CMSm… read more here.

Keywords: molecular sieve; situ reaction; carbon molecular; sieve microspheres ... See more keywords

The gas separation performance adjustment of carbon molecular sieve membrane depending on the chain rigidity and free volume characteristic of the polymeric precursor

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Published in 2019 at "Carbon"

DOI: 10.1016/j.carbon.2018.11.037

Abstract: Abstract Carbon molecular sieve membranes (CMSMs) are regarded as promising membranes for gas separation due to its high gas separation performance. Polyimide (ODPA-FDA) precursor films were prepared and characterized for the formation of carbon molecular… read more here.

Keywords: spectroscopy; molecular sieve; precursor; carbon molecular ... See more keywords

Effect of reducing agent on the structure and activity of manganese oxide octahedral molecular sieve (OMS-2) in catalytic combustion of o-xylene

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Published in 2017 at "Catalysis Today"

DOI: 10.1016/j.cattod.2016.05.024

Abstract: Abstract Manganese oxide octahedral molecular sieve (OMS-2) with different microstructures were synthesized via simple wet chemical methods of KMnO4/benzyl alcohol and KMnO4/Mn(NO3)2 at room-temperature (the products were denoted as B-OMS-2 and N-OMS-2, respectively). The physicochemical… read more here.

Keywords: octahedral molecular; manganese oxide; xylene; molecular sieve ... See more keywords

Separation of CO2/CH4 using carbon molecular sieve (CMS) at low and high pressure

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Published in 2017 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2017.01.071

Abstract: Abstract Separation of CO 2 from CH 4 -rich streams is an important separation for upgrading biogas and natural gas. The main difference between these two sources of methane is the pressure at which they… read more here.

Keywords: sieve cms; molecular sieve; separation; carbon molecular ... See more keywords