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Modifying sulfur cathodes with lithium polysulfides (LiPSs) adsorptive and electrocatalytic host materials is regarded as one of the most effective approaches to address the challenging problems in lithium‐sulfur (Li‐S) batteries. However, because of the high operating voltage window of Li–S batteries from 1.7 to 2.8 V, most of the host materials cannot participate in the sulfur redox reactions within...
The direct electrooxidation reaction of ammonia borane (ABOR) as the anodic reaction of direct ammonia borane fuel cells (DABFCs) is greatly dependent on the properties of electrocatalysts. Both the active sites and charge/mass transfer characteristics are the key to promoting the processes of kinetics and thermodynamics, which can further improve the electrocatalytic activity. Hence, the catalyst...
Finding low‐cost and nontoxic redox couples for organic redox flow batteries is challenging due to unrevealed reaction mechanisms and side reactions. In this study, a 3D kinetic Monte Carlo model to study the electrode‐anolyte interface of a methyl viologen‐based organic redox flow battery is presented. This model captures various electrode processes, such as ionic displacement and degradation of...
Organic Redox Flow Batteries
In article number 2107720, Alejandro A. Franco and co‐workers present a 3D model based on kinetic Monte Carlo to study the electrode–anolyte interface of a methyl viologen‐based organic redox flow battery. This model captures various electrode processes, including the electron transfer, ionic displacement, and degradation of active materials. In this study, various discharging...
The combination of diagnostic and therapeutic functions in a single theranostic nanoagent generally requires the integration of multi‐ingredients. Herein, a cytotoxic near‐infrared (NIR) dye (IR‐797) and its nanoassembly are reported for multifunctional cancer theranostics. The hydrophobic IR‐797 molecules are self‐assembled into nanoparticles, which are further modified with an amphiphilic polymer...
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