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Velour Fabric as an Island-Bridge Architectural Design for Stretchable Textile-Based Lithium-ion Battery Electrodes.
ACS Appl Mater Interfaces. 2020 Nov 18; 12(46):51679-51687.AA

Abstract

The advancement of wearable electronics depends on the seamless integration of lightweight and stretchable energy storage devices with textiles. Integrating brittle energy storage materials with soft and stretchable textiles, however, presents a challenging mechanical mismatch. It is critical to protect brittle energy storage materials from strain-induced damage and at the same time preserve the softness and stretchability of the functionalized e-textile. Here, we demonstrate the strategic use of a warp-knitted velour fabric in an "island-bridge" architectural strain-engineering design to prepare stretchable textile-based lithium-ion battery (LIB) electrodes. The velour fabric consists of a warp-knitted framework and a cut pile. We integrate the LIB electrode into this fabric by solution-based metallization to create the warp-knitted framework current collector "bridges" followed by selective deposition of the brittle electroactive material CuS on the cut pile "islands". As the textile electrode is stretched, the warp-knitted framework current collector elongates, while the electroactive cut pile fibers simply ride along at their anchor points on the framework, protecting the brittle CuS coating from strain and subsequent damage. The textile-based stretchable LIB electrode exhibited excellent electrical and electrochemical performance with a current collector sheet resistance of 0.85 ± 0.06 Ω/sq and a specific capacity of 400 mAh/g at 0.5 C for 300 charging-discharging cycles as well as outstanding rate capability. The electrical performance and charge-discharge cycling stability of the electrode persisted even after 1000 repetitive stretching-releasing cycles, demonstrating the protective functionality of the textile-based island-bridge architectural strain-engineering design.

Authors+Show Affiliations

Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada.Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada.Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada.Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

33155809

Citation

Wu, Yunyun, et al. "Velour Fabric as an Island-Bridge Architectural Design for Stretchable Textile-Based Lithium-ion Battery Electrodes." ACS Applied Materials & Interfaces, vol. 12, no. 46, 2020, pp. 51679-51687.
Wu Y, Mechael SS, Chen Y, et al. Velour Fabric as an Island-Bridge Architectural Design for Stretchable Textile-Based Lithium-ion Battery Electrodes. ACS Appl Mater Interfaces. 2020;12(46):51679-51687.
Wu, Y., Mechael, S. S., Chen, Y., & Carmichael, T. B. (2020). Velour Fabric as an Island-Bridge Architectural Design for Stretchable Textile-Based Lithium-ion Battery Electrodes. ACS Applied Materials & Interfaces, 12(46), 51679-51687. https://doi.org/10.1021/acsami.0c16801
Wu Y, et al. Velour Fabric as an Island-Bridge Architectural Design for Stretchable Textile-Based Lithium-ion Battery Electrodes. ACS Appl Mater Interfaces. 2020 Nov 18;12(46):51679-51687. PubMed PMID: 33155809.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Velour Fabric as an Island-Bridge Architectural Design for Stretchable Textile-Based Lithium-ion Battery Electrodes. AU - Wu,Yunyun, AU - Mechael,Sara S, AU - Chen,Yiting, AU - Carmichael,Tricia Breen, Y1 - 2020/11/06/ PY - 2020/11/7/pubmed PY - 2020/11/7/medline PY - 2020/11/6/entrez KW - island-bridge structures KW - lithium-ion batteries KW - stretchable e-textiles KW - textile battery KW - wearable electronics SP - 51679 EP - 51687 JF - ACS applied materials & interfaces JO - ACS Appl Mater Interfaces VL - 12 IS - 46 N2 - The advancement of wearable electronics depends on the seamless integration of lightweight and stretchable energy storage devices with textiles. Integrating brittle energy storage materials with soft and stretchable textiles, however, presents a challenging mechanical mismatch. It is critical to protect brittle energy storage materials from strain-induced damage and at the same time preserve the softness and stretchability of the functionalized e-textile. Here, we demonstrate the strategic use of a warp-knitted velour fabric in an "island-bridge" architectural strain-engineering design to prepare stretchable textile-based lithium-ion battery (LIB) electrodes. The velour fabric consists of a warp-knitted framework and a cut pile. We integrate the LIB electrode into this fabric by solution-based metallization to create the warp-knitted framework current collector "bridges" followed by selective deposition of the brittle electroactive material CuS on the cut pile "islands". As the textile electrode is stretched, the warp-knitted framework current collector elongates, while the electroactive cut pile fibers simply ride along at their anchor points on the framework, protecting the brittle CuS coating from strain and subsequent damage. The textile-based stretchable LIB electrode exhibited excellent electrical and electrochemical performance with a current collector sheet resistance of 0.85 ± 0.06 Ω/sq and a specific capacity of 400 mAh/g at 0.5 C for 300 charging-discharging cycles as well as outstanding rate capability. The electrical performance and charge-discharge cycling stability of the electrode persisted even after 1000 repetitive stretching-releasing cycles, demonstrating the protective functionality of the textile-based island-bridge architectural strain-engineering design. SN - 1944-8252 UR - https://www.unboundmedicine.com/medline/citation/33155809/Velour_Fabric_as_an_Island_Bridge_Architectural_Design_for_Stretchable_Textile_Based_Lithium_ion_Battery_Electrodes_ L2 - https://doi.org/10.1021/acsami.0c16801 DB - PRIME DP - Unbound Medicine ER -
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