Journal article
Bimetal Organic Framework-Ti3C2Tx MXene with Metalloporphyrin Electrocatalyst for Lithium-Oxygen Batteries
Advanced functional materials
26 Oct 2022
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The gravest oxidation of MXenes has become a critical problem due to the formation of metal oxides, leading to the loss of their intrinsic properties. Herein, bimetallic cobalt-manganese organic framework (CMT) directly grown on a Ti3C2Tx MXene sheet via solvothermal treatment to obtain strong oxidation resistance in an open structured application and to enhance electrocatalytic properties for oxygen evolution and reduction reaction is reported. Inspired by ligand chemistry, the carboxyl acids in tetrakis(4-carboxyphenyl)porphyrin acting as an organic linker are grafted with the surface terminators of Ti3C2Tx MXene through the Fischer esterification and substitution reaction of fluorine, thereby greatly enhancing the antioxidation stability. Furthermore, the as-formed metalloporphyrin structure and unpaired electrons, produced between CMT and Ti3C2Tx MXene during solvothermal treatment, improve their electrocatalytic activity, durability, and electrical conductivity through an electron hopping mechanism. Consequently, the CMT@MXene demonstrates high stability as a bifunctional electrocatalyst at a fixed specific capacity of 1000 mAh g(-1) and a current density of 500 mA g(-1) for 247 cycles in lithium-oxygen (Li-O-2) battery. This approach suggests new strategies for the synergistic coupling of MXenes and MOFs for future open structured applications.
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Details
- Title
- Bimetal Organic Framework-Ti3C2Tx MXene with Metalloporphyrin Electrocatalyst for Lithium-Oxygen Batteries
- Creators
- Sanghee Nam - Korea Advanced Institute of Science and TechnologyManmatha Mahato - Korea Advanced Institute of Science and TechnologyKyle Matthews - Drexel UniversityRobert W. Lord - Drexel UniversityYonghee Lee - Korea Adv Inst Sci & Technol KAIST, Natl Nanofab Ctr NNFC, 291 Daehak Ro, Daejeon 34141, South KoreaPitchai Thangasamy - Korea Advanced Institute of Science and TechnologyChi Won Ahn - National NanoFab CenterYury Gogotsi - Drexel UniversityIl-Kwon Oh - Korea Advanced Institute of Science and Technology
- Publication Details
- Advanced functional materials
- Publisher
- Wiley
- Number of pages
- 10
- Grant note
- P0017307 / MOTIE (Ministry of Trade, Industry, and Energy) in Korea, under the Fostering Global Talents for Innovative Growth Program; Ministry of Trade, Industry & Energy (MOTIE), Republic of Korea 2015R1A3A2028975 / Creative Research Initiative Program - National Research Foundation of Korea (NRF); National Research Foundation of Korea NRF-2021M3H4A1A03047333 / National Research Foundation of Korea (NRF) grants (MSIT)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; A.J. Drexel Nanomaterials Institute
- Web of Science ID
- WOS:000871902900001
- Scopus ID
- 2-s2.0-85140435908
- Other Identifier
- 991019274505504721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied
- Physics, Condensed Matter