Engineering sub-nano structures with highly jagged edges on the Pt surface of Pt/C electrocatalysts to promote oxygen reduction reactions
Sign Up to like & getrecommendations! Published in 2021 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2021.137868
Abstract: Abstract Improving the Pt mass activity (imPt) of electrocatalysts towards the oxygen reduction reactions requires an increase in Pt atom utilization efficiency. Through the combination of Cu underpotential deposition and Pt galvanic replacement (CuUPD-GAL), Pt… read more here.
Keywords: engineering sub; oxygen reduction; nano structures; reduction reactions ... See more keywords
Molecular-confinement synthesis of sub-nano Fe/N/C catalysts with high oxygen reduction reaction activity and excellent durability for rechargeable Zn-Air batteries
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2019.227660
Abstract: Abstract Transition metal-nitrogen-carbon (M/N/C) catalysts, Fe/N/C in particular, with low cost, good tolerance to methanol and promising activity has great potential to replace Pt-based catalysts in oxygen reduction reaction (ORR). However, for metal atoms are… read more here.
Keywords: sub nano; air; activity; reduction reaction ... See more keywords
New study on the rules of sub-nano level structures of ordered mesoporous polymers by using positron annihilation lifetime spectroscopy
Sign Up to like & getrecommendations! Published in 2018 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2018.05.005
Abstract: Abstract We report here a high temperature directed, self-assembly to the synthesis of ordered mesoporous organic polymers (OMPs) with different nanopore sizes and BET surface areas. The synthesized OMPs have large BET surface areas (219–512 m2/g),… read more here.
Keywords: nano level; level structures; sub nano; rules sub ... See more keywords
Sub-nano tesla magnetic imaging based on room-temperature magnetic flux sensors with vibrating sample magnetometry
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4974016
Abstract: We developed a two-dimensional imaging method for weak magnetic charge distribution using a commercially available magnetic impedance sensor whose magnetic field resolution is 10 pT/Hz1/2 at 10 Hz. When we applied the vibrating sample magnetometry,… read more here.
Keywords: sub nano; nano tesla; magnetic charge; sample magnetometry ... See more keywords