In this section, you can access to the latest technical information related to the FUTURE project topic.

Facile synthesis of hierarchical Nb-Doped Mo?Ni?S nanospheres as efficient electrocatalyst toward hydrogen generation in alkaline media

Exploring highly-efficient and inexpensive electrocatalysts toward hydrogen evolution reaction (HER) in alkaline electrolyte act as pivotal role on boosting the development of hydrogen energy. Doping strategy has been regarded as an effective approach to accelerate electrocatalytic kinetics. Herein, transition metal doping method is applied to develop hierarchical molybdenum-nickel bimetallic sulfide nanospheres for HER. The unique spherical structure and synergistic effects between different elements are favorable for improving the electrocatalytic performance by exposing abundant active sites and electronic interactions. Therefore, the synthesized Nb?Mo?Ni?S (Nb-MNS) exhibits outstanding HER performance with overpotentials of 49?mV and 135?mV to deliver 10?mA?cm?2 and 100?mA?cm?2, respectively. Significantly, Nb-MNS displays superior stability of 48?h with the current densities changed from 40?mA?cm?2 to 120?mA?cm?2. This work provides a promising avenue to design transition metal sulfides for energy conversion reactions.

» Author: Wenli Yu, Zhi Chen, Xianliang Jiang, Weiping Xiao, Bin Dong, Zexing Wu

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