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An efficient bifunctional electrocatalyst of phosphorous carbon co-doped MOFs [post]

2020 unpublished
It is eager to develop high-performance and cheap bifunctional electrochemical catalysts for both of the ORR or OER for the energy crisis and environmental problems. Herein, we report a series of ZIFderived Co-P-C co-doped polyhedral materials with a well-defined morphology. The optimized catalyst Co/P/MOFs-CNTs-700 exhibited favorable electrochemical activities with the lowest over potential of 420 mV to achieve the current density of 10 mA cm -2 for OER and the half potential of 0.8 V for ORR
more » ... al of 0.8 V for ORR in 0.1 M NaOH. The performance can be well improved by doping phosphorous resource which greatly changed its morphology. Meanwhile, the doped carbon resources also improve the conductivity, which makes it a promising bifunctional electrochemical catalyst and can be comparable with the commercial electrocatalysts. the battery [8] [9] [10] [11] . Nevertheless, due to the dull kinetic of OER and ORR, the energy conversion efficiency has been definitely limited [8, [12] [13] [14] [15] .
doi:10.21203/rs.3.rs-17338/v1 fatcat:pd7vkh4m5jejtavort67cw3z6i