A multifunctional gel coating design for simultaneous interface amelioration, polysulfide adsorption and redox regulation in lithium-sulfur batteries
Source abstract
Abstract
Abstract Surface modification on the sulfur cathode by an extra coating design always helps to restrict the polysulfide immigration to the Li anode and offers good accommodation for the cathode volume change, in favor of improving sulfur utilization and cycle stability. This work aims to further develop the coating technology by introducing a unique polymer membrane with rapid gelation function on the top of sulfur cathode. The novel coating strategy combines the advantages of conventional solid coating and gel polymer electrolyte by integrating the two units, allowing for facile ion transport at the interface, flexible surface protection and effective polysulfide immobilization. Also, the catalysis effect and electric activation deriving from the conductive component in the gelled coating, further achieve the redox regulation for sulfur conversion. Finally, these factors make distinct contributions to the overall improvement of Li-S battery performance.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced Battery Technologies Research
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