Fabrication of High-Valence MOF Membrane with Metal-Oxo Cluster Source: Opportunities and Challenges.
Sign Up to like & getrecommendations! Published in 2023 at "ChemPlusChem"
DOI: 10.1002/cplu.202200462
Abstract: Metal-organic framework (MOF) represents a new class of organic-inorganic hybrid microporous crystalline material. Owing to their high surface areas, tunable pore aperture, and rich functional groups, MOF materials have shown great promise in gas storage,… read more here.
Keywords: oxo cluster; metal oxo; valence mof; high valence ... See more keywords
Operando High-Valence Cr-Modified NiFe Hydroxides for Water Oxidation.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202200303
Abstract: High-valence metal-doped multimetal (oxy)hydroxides outperform noble metal electrocatalysts for the oxygen evolution reaction (OER) owing to the modified energetics between 3d metals and high-valence dopants. However, the rational design of sufficient and subtle modulators is… read more here.
Keywords: nifecr ldh; water; operando high; high valence ... See more keywords
Improving the cycling performance, rate capacity, and thermal stability of LiCoO2 by doping high-valence ions into the Li+ site
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-018-4046-4
Abstract: AbstractThe poor rate performance and low discharge capacity of LiCoO2 limit its applications. Therefore, in this work, we synthesized Li1-xMxCoO2 (M = Na, Zr, Nb) via solid-phase synthesis to improve its properties. X-ray diffraction (XRD)… read more here.
Keywords: capacity; high valence; licoo2; rate ... See more keywords
Molecule-assisted modulation of the high-valence Co3+ in 3D honeycomb-like CoxSy networks for high-performance solid-state asymmetric supercapacitors
Sign Up to like & getrecommendations! Published in 2020 at "Science China Materials"
DOI: 10.1007/s40843-020-1476-2
Abstract: Modulating the oxidation states of transition metal species has been regarded as a promising strategy to tune the redox activity and achieve more active sites in electrode materials. In this work, a unique three-dimensional (3D)… read more here.
Keywords: solid state; high valence; honeycomb like; coxsy ... See more keywords
Revealing the activation effects of high valence cobalt in CoMoO4 towards highly reversible conversion
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2019.104333
Abstract: Abstract Molybdenum (Mo)-based transition metal oxides normally delivery superior energy density in lithium ion batteries through electrochemical conversion reactions. The main challenge for this kind of electrode material is to promote reversible transformation of Li2O… read more here.
Keywords: cobalt; revealing activation; high valence; conversion ... See more keywords
Two Charge Ordering Patterns in the Topochemically Synthesized Layer-Structured Perovskite LaCa2Fe3O9 with Unusually High Valence Fe3.67.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b00104
Abstract: A-site-ordered layer-structured perovskite LaCa2Fe3O9 with unusually high valence Fe3.67+ was obtained by low-temperature topochemical oxidation of the A-site layer-ordered LaCa2Fe3O8. The unusually high valence Fe3.67+ in LaCa2Fe3O9 shows charge disproportionation of Fe3+ and Fe5+ first… read more here.
Keywords: charge ordering; high valence; charge; valence fe3 ... See more keywords
High Valence M-Incorporated PdCu Nanoparticles (M = Ir, Rh, Ru) for Water Electrolysis in Alkaline Solution.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c01581
Abstract: The high-valence metal catalysts show extraordinary talent in various electrochemical reactions. However, there is no facile method to synthesize high-valence noble metal-based materials. Herein, we synthesized the different high valence noble metal M-incorporated PdCu nanoparticles… read more here.
Keywords: water electrolysis; high valence; incorporated pdcu; valence ... See more keywords
Confining High-Valence Iridium Single Sites onto Nickel Oxyhydroxide for Robust Oxygen Evolution.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c01124
Abstract: Enhancing activity and stability of iridium- (Ir-) based oxygen evolution reaction (OER) catalysts is of great significance in practice. Here, we report a vacancy-rich nickel hydroxide stabilized Ir single-atom catalyst (Ir1-Ni(OH)2), which achieves long-term OER… read more here.
Keywords: oxygen evolution; onto nickel; oxygen; high valence ... See more keywords
Thermochemical oxidation of methane induced by high-valence metal oxides in a sedimentary basin
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-07267-x
Abstract: Thermochemical oxidation of methane (TOM) by high-valence metal oxides in geological systems and its potential role as a methane sink remain poorly understood. Here we present evidence of TOM induced by high-valence metal oxides in… read more here.
Keywords: methane; high valence; valence metal; metal oxides ... See more keywords
High-valence metals improve oxygen evolution reaction performance by modulating 3d metal oxidation cycle energetics
Sign Up to like & getrecommendations! Published in 2020 at "Nature Catalysis"
DOI: 10.1038/s41929-020-00525-6
Abstract: Multimetal oxyhydroxides have recently been reported that outperform noble metal catalysts for oxygen evolution reaction (OER). In such 3d-metal-based catalysts, the oxidation cycle of 3d metals has been posited to act as the OER thermodynamic-limiting… read more here.
Keywords: oxidation; oxygen evolution; high valence; valence ... See more keywords
Boosting the oxygen evolution electrocatalysis of high-entropy hydroxides by high-valence nickel species regulation.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical communications"
DOI: 10.1039/d2cc02367a
Abstract: The addition of an extra metal source induces the transformation from crystalline α-Ni(OH)2 to an amorphous NiCoFeCrMo-based high-entropy hydroxide (HEH) and maximizes the high-valence Ni3+ content in HEH. For OER electrocatalysis, the quinary HEH possesses… read more here.
Keywords: high valence; electrocatalysis; boosting oxygen; high entropy ... See more keywords