Electronic Structure Engineering of Honeycomb Layered Cathode Material for Sodium‐Ion Batteries
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202003399
Abstract: In this work, the rational design of O′3‐type Na[Ni2/3−xCoxSb1/3]O2, a solid solution of Na[Ni2/3Sb1/3]O2–Na[Co2/3Sb1/3]O2, is introduced. Because of the difficulty of the Co3+/2+ redox reaction, the electronic structures of Na[Ni2/3−xCoxSb1/3]O2 compounds are engineered to build… read more here.
Keywords: ni2 xcoxsb1; co3; sodium ion; ion batteries ... See more keywords
Heterojunction-Assisted Co3 S4 @Co3 O4 Core-Shell Octahedrons for Supercapacitors and Both Oxygen and Carbon Dioxide Reduction Reactions.
Sign Up to like & getrecommendations! Published in 2017 at "Small"
DOI: 10.1002/smll.201701724
Abstract: Expedition of electron transfer efficiency and optimization of surface reactant adsorption products desorption processes are two main challenges for developing non-noble catalysts in the oxygen reduction reaction (ORR) and CO2 reduction reaction (CRR). A heterojunction… read more here.
Keywords: co3 core; reduction; core shell; co3 ... See more keywords
Cation/Anion Dual-Vacancy Pair Modulated Atomically-Thin Sex -Co3 S4 Nanosheets with Extremely High Water Oxidation Performance in Ultralow-Concentration Alkaline Solutions.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202108097
Abstract: The density functional theory calculation results reveal that the adjacent defect concentration and electronic spin state can effectively activate the CoIII sites in the atomically thin nanosheets, facilitating the thermodynamic transformation of *O to *OOH,… read more here.
Keywords: atomically thin; co3; cation anion; concentration ... See more keywords
Unraveling the Synergy of Anion Modulation on Co Electrocatalysts by Pulsed Laser for Water Splitting: Intermediate Capturing by In Situ/Operando Raman Studies.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202204309
Abstract: Herein, the authors produce Co-based (Co3 (PO4 )2 , Co3 O4 , and Co9 S8 ) electrocatalysts via pulsed laser ablation in liquid (PLAL) to explore the synergy of anion modulation on phase-selective active sites… read more here.
Keywords: co3 po4; water splitting; synergy anion; anion modulation ... See more keywords
Understanding the Role of (W, Mo, Sb) Dopants in the Catalyst Evolution and Activity Enhancement of Co3 O4 during Water Electrolysis via In Situ Spectroelectrochemical Techniques.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202208074
Abstract: Unlocking the potential of the hydrogen economy is dependent on achieving green hydrogen (H2 ) production at competitive costs. Engineering highly active and durable catalysts for both oxygen and hydrogen evolution reactions (OER and HER)… read more here.
Keywords: role; hydrogen; electrolysis; activity ... See more keywords
Co3+-O-V4+ cluster in CoVOx nanorods for efficient and stable electrochemical oxygen evolution
Sign Up to like & getrecommendations! Published in 2021 at "Applied Catalysis B: Environmental"
DOI: 10.1016/j.apcatb.2020.119571
Abstract: Abstract The development of cost-efficient and long-term stable catalysts for the oxygen evolution reaction (OER) is crucial to produce clean and sustainable H2 fuels from water. Here we demonstrate a cobalt vanadium oxide (CoVOx-300) working… read more here.
Keywords: covox 300; covox; co3; oxygen evolution ... See more keywords
High-performance cobalt carbonate hydroxide nano-dot/NiCo(CO 3 )(OH) 2 electrode for asymmetric supercapacitors
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.10.066
Abstract: Abstract Binder-free mesoporous NiCo(CO3)(OH)2 nanowire arrays were grown using a facile hydrothermal technique. The Co2(CO3)(OH)2 in NiCo(CO3)(OH)2 nanowire arrays was well-decorated as nano-dot scale (a few nanometer). In addition, increasing cobalt content in nickel compound… read more here.
Keywords: nico co3; co3 nanowire; nano dot; electrode ... See more keywords
Metal-organic frameworks derived porous Co3O4 dodecahedeons with abundant active Co3+ for ppb-level CO gas sensing
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.144900
Abstract: Abstract Co3O4 dodecahedeons with abundant trivalent cobalt cation (Co3+) and surface absorbed oxygen species were prepared via regulating calcination temperature and heating rate of Co-based metal-organic framework (ZIF-67) templates. The influence of the calcination temperature… read more here.
Keywords: dodecahedeons abundant; gas; co3o4 dodecahedeons; co3 ... See more keywords
Self-assembled CuCo2S4 nanosheets with rich surface Co3+ as efficient electrocatalysts for oxygen evolution reaction
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DOI: 10.1016/j.apsusc.2020.147826
Abstract: Abstract Eminent OER electrocatalysts occupies a vital position for hydrogen produced from water splitting. Up to now, sulfides with spinel structure have been considered as the most promising electrocatalysts to replace noble metal catalysts, but… read more here.
Keywords: cuco2s4 nanosheets; surface; self assembled; co3 ... See more keywords
In-Situ characterizations to investigate the nature of Co3+ coordination environment to activate surface adsorbed oxygen for methane oxidation
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.149713
Abstract: Abstract Identifying the activity origin of spinel Co3O4 catalysts is extremely important for fundamental research and practical application. It is reported that octahedrally coordinated Co3+ (Co3+Oh) is considered as active sites in spinel Co3O4, but… read more here.
Keywords: surface; activity; co3; co3o4 ... See more keywords
Synthesis of Co(CO3)0.5(OH)/Ni2(CO3)(OH)2 nanobelts and their application in flexible all-solid-state asymmetric supercapacitor
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.124029
Abstract: Abstract Design and synthesis of flexible electrode materials with high specific capacitance and rate capability is critical to supercapacitors. In this work, Co(CO3)0.5(OH)/Ni2(CO3)(OH)2 nanobelts with controllable size were successfully synthesized for the first time in… read more here.
Keywords: solid state; ni2 co3; co3 ni2; co3 nanobelts ... See more keywords