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Carbon Nanosheets - Astrophysics Data System

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Last Updated: 02 December 2022

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Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

Pd nanocrystals coated with Pd nanocrystals from Ni-MOF's generation of hierarchical porous carbon nanosheets with high electrocatalytic CO oxidation activity in KOH, HClO4, and NaHCO3 electrolytes other than Pd/C and Pd/C. Metal nanocrystal enriched metalu2013organic frameworks are of particular interest in multidisciplinary research; however, their electrocatalytic CO oxidation results over a wide pH range is yet to be reported. Ni-MOF-derived hierarchical porous carbon nanosheets with abundant Ni-Nx sites decorated with Pd nanocrystals were synthesized by microwave-irradiation, annealing at 900 b0C, and subsequent etching of Ni-MOF/C prior to Pd deposition. These merits aided in the Pd/Ni-MOF/PC's increased pH stability and stability under varying pH conditions. The use of MOF/PC with metal nanocrystals in CO oxidation catalysis is shown by a CO oxidation activity study.

Source link: https://ui.adsabs.harvard.edu/abs/2022NanoA...4.5044I/abstract


Bio-derived FeNi alloy confined in N-doped carbon nanosheets as efficient air electrodes for Zn-air battery

For popularization of rechargeable Zn-air batteries, it is vital to engineer and produce electrocatalysts toward oxygen reduction reaction and oxygen evolution reaction. The combination of nioine and metal chlorides in a N-doped carbon nanosheets was obtained by a simple complexation-pyrolysis scheme developed by Herein, FeNi alloy confined in N-doped carbon nanosheets.

Source link: https://ui.adsabs.harvard.edu/abs/2022JCIS..628A.499L/abstract


Chemically embedding Co nanospheres in N-doped carbon nanosheets for enhanced zinc-air batteries

Zin-air batteries have been extensively tested for new-generation oxygen electrochemical catalysts based on non-precious metals. By a simple organic-inorganic hybrid molten salts method, we have prepared cobalt nanoparticles chemically embedded in N-doped carbon nanosheets. Due to the multifunctional environment provided by the mixed salts, the Co@NCS can achieve effective oxygen reduction and evolution reaction results, allowing them to be suitable in ZABs.

Source link: https://ui.adsabs.harvard.edu/abs/2023JPS...55532381W/abstract


MOF-derived Cu x S double-faced-decorated carbon nanosheets as high-performance and stable counter electrodes for quantum dots solar cells

The development of highly catalytic counter electrode materials is essential to the manufacture of quantum dot-sensitized solar cells, but it is also challenging. In the newly produced DF-Cu x S/C NSs hybrids, it has been shown that the MOF-derived Cu x S nanospheres disperse well on the surface of the carbon NSs. Based on the Ti mesh substrate-supported hybrid CE, the highest PCE of 11. 6 percent was achieved with the substrate's further refinement.

Source link: https://ui.adsabs.harvard.edu/abs/2022JCIS..628A..22C/abstract


N doped porous carbon nanosheets with enhanced zinc ion storage capability

The N doped porous carbon nanosheet cathode has a large discharge capacity of 204. 7 mAh g -1 and a high energy density of 143 Wh kg -1, which is why. In addition, the Znu2016N doped porous carbon nanosheet zinc ion hybrid capacitor exhibits superior cycle stability after 95. 5% of initial capacity after 20,000 cycles. This research develops zinc ions storage capacity of a zinc ions hybrid capacitor by incorporating reversible redox reactions through N functionalities.

Source link: https://ui.adsabs.harvard.edu/abs/2023JPS...55432348W/abstract


Immobilizing VN ultrafine nanocrystals on N-doped carbon nanosheets enable multiple effects for high-rate lithium—sulfur batteries

The production of new sulfiphilic and catalytic materials is considered as the most promising way to combat severe shuttle effect and sluggish kinetics conversion of lithium polysulfides within lithium-sulfur batteries. Improved electrochemical results with long cycling durability over 1,000 cycles at 2 C with only 0. 04 percent capacity loss per cycle and excellent rate capability, owing to the multifunctional structural characteristics of VN@NCSs, the cell with ultrathin VN@NCSs upgraded separator shows enhanced electrochemical stability with long cycling endurance over 1,000 cycles at 2 C with only 0. 04 percent capacity loss per cycle and excellent rate capability.

Source link: https://ui.adsabs.harvard.edu/abs/2022NaRes..15.1424S/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions