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In article number 2002212, Jue Hu, Michael K. H. Leung, Bolong Huang, and co‐workers synthesize through the efficient interfacial engineering with transitional oxides, an earth‐abundant MoS2‐based catalyst. Owing to the optimized electroactive interfaces with efficient electron transfer, the efficient hydrogen evolution reaction (HER) in the alkaline is realized in MoS2/Ni2O3H with long‐term durability,...
Developing efficient earth‐abundant MoS2 based hydrogen evolution reaction (HER) electrocatalysts is important but challenging due to the sluggish kinetics in alkaline media. Herein, a strategy to fabricate a high‐performance MoS2 based HER electrocatalyst by modulating interface electronic structure via metal oxides is developed. All the heterostructure catalysts present significant improvement of...
The processing of refractory minerals rich in arsenic and sulfur often causes give off arsenic and sulfur contamination during roasting and oxidation pretreatments. In this paper, the solidification of elemental arsenic and sulfur by adding calcium‐containing compounds (calcium oxide, calcium carbonate, and calcium hydroxide) during roasting and oxidation was investigated with the aim of reducing...
The decomposition of solid Al2O3 in the presence of C was researched at 1873 K–2073 K in vacuum, using α-Al2O3 powders as the raw materials and the graphite crucible as C source. There was no direct contact between the Al2O3 and the C. The results showed that the Al2O3 decomposed into gaseous species, and the C making up the graphite crucible was reacted to form CO. The coupled reaction was proposed:...
In order to compare the performances of STAP for the underwater LFM with CW signal, the method of STAP for LFM was proposed. First, the principle of STAP for CW was analyzed, according to the underwater echo of CW. Second, the space-time steering vector of LFM is deduced by analysing the underwater echo of LFM. At last, the performances of STAP for LFM and CW were compared by simulation. The results...
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