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Captured by high theoretical capacity and low‐cost, Sodium–Sulfur (Na‐S) batteries have been deemed as promising energy‐storage systems. However, their electrochemical properties, containing both cycling and rate properties, still suffer from the notorious “shuttle effect” of polysulfide. Herein, through the effective regulation of pore sizes, a series of S/SiO2 cathode materials are obtained. Benefitting...
The current solar‐chemical‐industry based on semiconductor photocatalyst is impractical. Metal catalysts are extensively employed in thermal‐ and electro‐catalysis industries, but unsuitable for direct‐driven photocatalysis. Herein, silver quantum dots (Ag‐QDs) are synthesized on support via an in situ photoreduction method, and in situ photocatalysis temperature programmed dynamics chemisorption...
Controllable CO2 Reduction
In article number 2207234, Ruiting Xue, Jun Xie, and co‐workers report a silver quantum dot (Ag‐QDs) photocatalyst capable of tunneling photocatalytic reaction using surface plasmons. Ag‐QDs can be selectively regulated as oxidation or reduction sites and drive pollutant oxidation or CO2 reduction under entire solar. This technology is expected to restore ecological environment...
Metal sulfides, as vital members of electrodes materials, still suffer from serious volume expansion and polysulfides shuttling. Herein, through inexpensive and high efficiency chemical‐bonding/hydrophobic‐association methods, a series of metal‐sulfides quantum dots (QDs) with large‐scale synthesis (≈100 g) is successfully prepared, further forming low‐dimensional composites with high redox activity...
Recently, sodium‐ion batteries (SIBs) are extensively explored and are regarded as one of the most promising alternatives to lithium‐ion batteries for electrochemical energy conversion and storage, owing to the abundant raw material resources, low cost, and similar electrochemical behavior of elemental sodium compared to lithium. Metal–organic frameworks (MOFs) have attracted enormous attention due...
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