Operando color-coding of reversible lithiation and cycle life in batteries using photonic crystal materials

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dc.contributor.authorLonergan, Alex
dc.contributor.authorGulzar, Umair
dc.contributor.authorZhang, Yan
dc.contributor.authorO'Dwyer, Colm
dc.contributor.funderHorizon 2020
dc.contributor.funderIrish Research Council
dc.date.accessioned2024-05-01T13:51:09Z
dc.date.available2024-04-29T10:05:38Zen
dc.date.available2024-05-01T13:51:09Z
dc.date.issued2023-12-27
dc.date.updated2024-04-29T09:05:40Zen
dc.description.abstractInnovative new materials are consistently emerging as electrode candidates from lithium-ion and emerging alternative battery research, promising high energy densities and high-rate capabilities. Understanding potential structural changes, morphology evolution, degradation mechanisms and side reactions during lithiation is important for designing, optimizing and assessing aspiring electrode materials. In-situ and operando analysis techniques provide a means to investigate these material properties under realistic operating conditions. Here, we demonstrate operando spectroscopic sensing using photonic crystal-structured electrodes that uses the optical transmission spectrum to monitor changes to the state of charge or discharge during lithiation, and the change to electrode structure, in real-time. Photonic crystals possess a signature optical response, with a photonic bandgap (or stopband) presenting as a structural color reflection from the material. We leverage the presence of this photonic stopband, alongside its intricate relationship to the electrode structure and material phase, to correlate electrode lithiation with changes to the optical spectrum during operation. We explore the optical and electrochemical behavior of a TiO2 anode in a lithium-ion battery, structured as a photonic crystal. The operando optical sensing demonstrated here is versatile and applicable to a wide range of electrochemical electrode material candidates when structured with ordered porosity akin to a photonic crystal structure.
dc.description.sponsorshipIrish Research Council (Advanced Laureate Award IRCLA/2019/118; Government of Ireland Postgraduate Scholarship GOIPG/2016/946; Government of Ireland Postdoctoral Fellowship GOIPD/2021/438)
dc.description.statusPeer revieweden
dc.description.versionPublished Version
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid045401
dc.identifier.citationLonergan, A., Gulzar, U., Zhang, Y. and O’Dwyer, C. (2023) 'Operando color-coding of reversible lithiation and cycle life in batteries using photonic crystal materials', ECS Sensors Plus, 2(4), 045401 (11pp). https://doi.org/10.1149/2754-2726/ad15a0
dc.identifier.doihttps://doi.org/10.1149/2754-2726/ad15a0
dc.identifier.eissn2754-2726
dc.identifier.endpage11
dc.identifier.issued4
dc.identifier.journaltitleECS Sensors Plus
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/15832
dc.identifier.volume2
dc.language.isoenen
dc.publisherIOP Publishing
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::RIA/825114/EU/Smart Autonomous Multi Modal Sensors for Vital Signs Monitoring/SmartVista
dc.rights© 2023, the Authors. Published on behalf of The Electrochemical Society by IOP Publishing Limited. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/ by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectOperando color-coding
dc.subjectReversible lithiation
dc.subjectCycle life
dc.subjectBatteries
dc.subjectPhotonic crystal materials
dc.titleOperando color-coding of reversible lithiation and cycle life in batteries using photonic crystal materials
dc.typeArticle (peer-reviewed)
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