Articles with "hor" as a keyword



Carbon-Doped Nickle Via a Fast Decarbonization Route for Enhanced Hydrogen Oxidation Reaction in Alkaline Media.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202303142

Abstract: Nickel (Ni) based materials with non-metal heteroatom doping are competitive substitutes for platinum group catalyst toward alkaline hydrogen oxidation reaction (HOR). However, the incorporation of non-metal atom into the lattice of conventional fcc phase Ni… read more here.

Keywords: carbon; hydrogen oxidation; oxidation reaction; fcc phase ... See more keywords

Integrating Multiple Functional Components into Active Ensembles by Atomic Layer Deposition for Efficient Hydrogen Conversion and CO Tolerance.

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Published in 2025 at "Small"

DOI: 10.1002/smll.202509772

Abstract: The hydrogen oxidation reaction (HOR) at the anode of proton exchange membrane fuel cells (PEMFC) is hindered by the massive use of precious Pt catalyst. While atomically dispersed Pt sites can mitigate CO adsorption, their… read more here.

Keywords: spectroscopy; layer deposition; atomic layer; hor ... See more keywords

Competitive Halogen Adsorption Governs Alkaline Hydrogen Oxidation Activity and Stability of Ni-Based Electrocatalysts.

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Published in 2025 at "Small"

DOI: 10.1002/smll.202510293

Abstract: Nickel-based catalysts exhibit only 1-2% of the activity of noble metal catalysts for the hydrogen oxidation reaction (HOR) in alkaline environments. The underlying mechanism remains unclear, posing significant challenges for developing high-activity nickel-based catalysts. Here,… read more here.

Keywords: based catalysts; adsorption; hydrogen oxidation; hor ... See more keywords
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High ovarian response to ovarian stimulation: effect on morphokinetic milestones and cycle outcomes

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Published in 2021 at "Journal of Assisted Reproduction and Genetics"

DOI: 10.1007/s10815-021-02323-w

Abstract: To assess the effect of high ovarian response on oocyte quality and ovarian stimulation cycle outcomes. A retrospective cohort study conducted at three IVF units. The high ovarian response (HOR) and polycystic ovary syndrome (PCOS)… read more here.

Keywords: high ovarian; cycle; ovarian response; hor ... See more keywords
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Towards designing efficient catalyst for hydrogen oxidation reaction

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Published in 2020 at "Rare Metals"

DOI: 10.1007/s12598-020-01457-7

Abstract: Anion exchange membrane fuel cells (AEMFCs) have attracted increasing research efforts in the past decade due to the advantageous nature of using Pt-free catalysts and cheap components that bring its cost closer to the target… read more here.

Keywords: oxidation reaction; catalyst; hor; hydrogen oxidation ... See more keywords
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Systematic study of iridium-based catalysts derived from Ir4(CO)12, capable to perform the ORR and HOR

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2020.10.031

Abstract: Abstract In this work, we used Ir4(CO)12 as precursor compound in order to obtain different Ir-based materials by two different thermal processes: pyrolysis and thermolysis. All materials were studied as catalysts for the ORR and… read more here.

Keywords: presence; orr hor; hor; study iridium ... See more keywords

Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.03.270

Abstract: Abstract Hydrogen Oxidation Reaction (HOR) is anode reaction in Proton exchange membrane fuel cells (PEMFCs) and it has very fast kinetics. However, the purity of fuel (H2) is very important and can slow down HOR… read more here.

Keywords: hydrogen; catalyst; hydrogen oxidation; oxidation reaction ... See more keywords

Nickel-Based Anode Catalysts for Efficient and Affordable Anion-Exchange Membrane Fuel Cells.

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Published in 2023 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.3c00071

Abstract: ConspectusLow-temperature ion-exchange membrane hydrogen fuel cells, as zero-emission power sources, can largely preserve the merits of gasoline engines, including rapid fueling, extended cruising range, and low maintenance cost. To enable the widespread prevalence of fuel-cell… read more here.

Keywords: exchange membrane; fuel cell; fuel; hor ... See more keywords

Heterometallic 3d–4f Alkoxide Precursors for the Synthesis of Binary Oxide Nanomaterials

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Published in 2023 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.2c03872

Abstract: In this study, a new method for the synthesis of heterometallic 3d–4f alkoxides by the direct reaction of metallic lanthanides (La, Pr, Nd, Gd) with MCl2 (M = Mn, Ni, Co) in 2-methoxyethanol was developed.… read more here.

Keywords: precursors synthesis; heterometallic alkoxide; synthesis binary; alkoxide precursors ... See more keywords
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Electron Density Modulation of MoO2/Ni to Produce Superior Hydrogen Evolution and Oxidation Activities.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c11025

Abstract: Hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR) have aroused great interest, but the high price of platinum group metals (PGMs) limits their development. The electronic reconstruction at the interface of a heterostructure is… read more here.

Keywords: electron density; hydrogen; hydrogen evolution; hor ... See more keywords

Impact of molecular subtypes on metastatic breast cancer patients: a SEER population-based study

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep45411

Abstract: To investigate the significance and impact of molecular subtyping stratification on metastatic breast cancer patients, we identified 159,344 female breast cancer patients in the Surveillance, Epidemiology and End Results (SEER) database with known hormone receptor… read more here.

Keywords: her2 hor; cancer patients; hor; breast cancer ... See more keywords