An Investigation of Conjugated Sulfonamide Materials as Binders for Organic Lithium-Ion Batteries
Source abstract
Abstract
Organic electrode materials have emerged as promising solutions for numerous energy applications. However, their full utility is impeded by their limited stability and inherently poor conductivity. To address these issues, one approach is to use functional conjugated polymers to replace the conventional insulating poly(vinylidene fluoride) (PVDF) binder that may facilitate ion/electron transport and stabilize the electrode. In this study, we report the synthesis of a series of sulfonamide π-conjugated small molecules, linear oligomers, and two-dimensional polymers and their subsequent use as binder materials for organic electrodes. We observe an enhanced specific capacity in a perylenetetracarboxylic dianhydride (PTCDA) composite electrode. The impact of dimensionality is evaluated through the battery performance. The two-dimensional sulfonamide polymer affords a 3-fold improvement in capacity retention compared to PVDF. The results presented in this work highlight that sulfonamide-containing materials are promising candidates as metal ion battery binders and that dimensionality is a key parameter for their use in lithium-ion batteries.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Conducting polymers and applications · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, University of Toronto, Lash Miller Chemical Laboratories, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
Department of Chemistry and Biochemistry, Concordia University, 7141 Sherbrooke St. W, Montreal, Quebec H4B 1R6, Canada
Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States of America
Department of Electrical and Computer Engineering, Northwestern University, Evanston, Illinois 60208, United States of America
Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
Funding
University of Toronto · Canada Foundation for Innovation · Natural Sciences and Engineering Research Council of Canada · Government of Ontario · Ontario Ministry of Research, Innovation and Science
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