Revealing How Internal Sensors in a Smart Battery Impact the Local Graphite Lithiation Mechanism

Revealing How Internal Sensors in a Smart Battery Impact the Local Graphite Lithiation Mechanism | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Revealing How Internal Sensors in a Smart Battery Impact the Local Graphite Lithiation Mechanism Sandrine Lyonnard, Annabel Olgo, Sylvie Genies, Romain Franchi, and 10 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4432970/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 26 Nov, 2024 Read the published version in Nature Communications → Version 1 posted You are reading this latest preprint version Abstract Smart batteries, i.e. equipped with internal and external sensors, are emerging as promising solutions to enhance battery state of health and optimize operating conditions. However, for accurate correlations between the evolution of the cell parameters (e.g. temperature, strain) and physicochemical degradation mechanisms, it is crucial to know the reliability of sensors. To address this question, we performed a synchrotron operando wide-angle X-ray scattering experiment to investigate the local and global impact of the presence of internal sensors on a commercial prismatic Li-ion battery cell at various C-rates. We found that, while the overall electrochemical performance is unaffected, the sensors have a substantial impact on the local graphite lithiation kinetics and heterogeneities especially at a high C-rate. These results show the importance of controlling local deformations induced by internal sensors and tailoring the dimensions of these sensors to obtain reliable battery performance indicators and optimize smart batteries. Physical sciences/Energy science and technology/Energy storage/Batteries Physical sciences/Materials science/Materials for energy and catalysis/Batteries Full Text Additional Declarations There is NO Competing Interest. Supplementary Files Supportinginformation.pdf Cite Share Download PDF Status: Published Journal Publication published 26 Nov, 2024 Read the published version in Nature Communications → Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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