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It is vital to dynamically regulate S activity to achieve efficient and stable room-temperature sodium–sulfur (RT/Na−S) batteries. Herein, we report using cobalt sulfide as an electron reservoir to enhance the activity of sulfur cathodes, and simultaneously combining with cobalt single atoms as double-end binding sites for a stable S conversion process. The rationally constructed CoS2 electron reservoir enables the straight reduction of S to short-chain sodium polysulfides (Na2S4) via a streamlined redox path through electron transfer. Meanwhile, cobalt single atoms synergistically work wi...

Cyanobacteria have evolved complicated mechanisms to transform light energy into chemical energy during three billion years of existence. Cyanobacteria produce reducing power (NADPH) and chemical energy (ATP) for carbon dioxide fixation using only the most basic of ingredients: light and water.

Electron transfer is one of the fundamentally important reactions in physics, chemistry, and biology. Numerous chemical and electrochemical reactions require fast electron transfer between an electron donor and an acceptor to successfully convert energy from one form to another. In particular, interfacial electron transfer dyenamics at a substrate decorated with surface-bound dye molecules and immersed in an electrolyte containing redox molecules have obtained great attention, arising in dye-sensitised solar cells and catalytic systems. At such semiconductor-liquid interfaces, efficient conver...

The involvement between electron transfer (ET) and catalytic reaction at electrocatalyst surface makes electrochemical process challenging to understand and control. How to experimentally determin ...