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Journal article
MXene current collectors for recyclable batteries with improved capacity
Cell reports physical science, v 6(10), 102874
Oct 2025
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Due to their high energy density, Li-ion batteries have become the preferred choice for consumer electronics, transportation, and other applications. Current collectors, which are needed for injecting/removing electrons into/from the active material, play a crucial role in the performance of these batteries, influencing capacity, rate capability, and long-term stability, but they receive much less attention. Over the years, there has been a trend of decreasing the thickness of the current collectors to enhance energy density by reducing the weight of the battery. This study focuses on substituting the conventional copper current collector with a thinner and lighter MXene film for high-mass-loading graphite anodes of Li-ion batteries. We also demonstrate the sustainability of our approach to the electrode design by recycling and reusing the MXene current collector after initial use. Our results show improved performances of electrodes using Ti3C2Tx MXene current collectors with reduced total electrode weight and thickness. The electrode-level gravimetric capacity increased by almost 130 mA h g−1, reflecting an 89% increase.
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Details
- Title
- MXene current collectors for recyclable batteries with improved capacity
- Creators
- Sokhna Dieng - Drexel UniversityKyle Matthews - Drexel UniversityGeetha Valurouthu - Drexel UniversitySanjay Sunny - Université de ToulouseYuan Zhang - Drexel UniversityNdeye Maty Ndiaye - Cheikh Anta Diop UniversityRuocun Wang - Drexel UniversityBalla Diop Ngom - Cheikh Anta Diop UniversityPatrice Simon - Université de ToulouseYury Gogotsi (Corresponding Author) - Drexel University
- Publication Details
- Cell reports physical science, v 6(10), 102874
- Publisher
- Elsevier
- Number of pages
- 12
- Grant note
- Schlumberger Foundation Faculty for the FutureUS Department of Energy (DOE) , Advanced Materials and Manufacturing Technologies Office, American-Made ChallengeAlexander von Humboldt fellowship
This work was supported by the Schlumberger Foundation Faculty for the Future to S.D. and the US Department of Energy (DOE) , Advanced Materials and Manufacturing Technologies Office, American-Made Challenge. Y.Z. acknowledges financial support from the Alexander von Humboldt fellowship. We thank Dr. Stefano Ippolito of Drexel University for his assistance in acquiring EDS maps. We also thank Benjamin Duploye for supporting in situ XRD measurements at CIRIMAT, Universite de Toulouse, CNRS, INPT, Universite Paul Sabatier in France.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; College of Engineering; A.J. Drexel Nanomaterials Institute
- Web of Science ID
- WOS:001600158600019
- Scopus ID
- 2-s2.0-105019941291
- Other Identifier
- 991022123438304721
UN Sustainable Development Goals (SDGs)
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InCites Highlights
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary
- Energy & Fuels
- Materials Science, Multidisciplinary
- Physics, Multidisciplinary
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