Wet-kneaded binary MgO–SiO2 composite catalysts gave exceptionally high productivity of butadiene governed by a subtle balance of acid–base sites in relation to the formation of an interfacial Si–O–Mg linkage and by varying preparation methods and MgO to SiO2 ratios.

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Promoting the efficient utilization of both the pores and heteroatoms remains a highly challenging endeavor, yet is of crucial significance to enhance the specific capacitance and energy density of carbon-based...

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