Journal article
Sulfur confined MXene hosts enabling the use of carbonate-based electrolytes in alkali metal (Li/Na/K)-sulfur batteries
Materials today energy, v 27, 101000
Jul 2022
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Room-temperature alkali metal–sulfur batteries are promising alternatives to lithium-ion batteries because of their high capacity and low inherent cost. Herein, we report MXene (Ti3C2Tx) as a host to confine sulfur (S8), enabling the use of commercialization-friendly carbonate electrolyte in metal–sulfur batteries. The multilayer MXene structure provides tunable spacing for S8 confinement, and its unique interlayer spacing prevents adverse polysulfide-carbonate reactions.
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•Confinement of sulfur in DHT-intercalated MXene (DMX) via thermal treatment.•Expansion of MXene interlayer gap for efficient S loading and confinement to enable the use of carbonate electrolyte.•Atomically thin, metallically conductive MXene sheets improve sulfur utilization in between the layers.•The rationally designed DMX/sulfur cathode delivers outstanding electrochemical performance with alkali anodes (Li/Na/K).
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Details
- Title
- Sulfur confined MXene hosts enabling the use of carbonate-based electrolytes in alkali metal (Li/Na/K)-sulfur batteries
- Creators
- Rahul Pai - Drexel UniversityVarun Natu - Drexel UniversityMaxim Sokol - Tel Aviv UniversityMichael Carey - Drexel UniversityThomas Greszler - Space and Defense Division, Saft America, Cockeysville, MD, USAMichel W. Barsoum - Drexel UniversityVibha Kalra - Drexel University
- Publication Details
- Materials today energy, v 27, 101000
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; Chemical and Biological Engineering
- Web of Science ID
- WOS:000822569400002
- Scopus ID
- 2-s2.0-85132108222
- Other Identifier
- 991019168376404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical
- Energy & Fuels
- Materials Science, Multidisciplinary