Guided lithium nucleation and growth on lithiophilic tin-decorated copper substrate

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buir.contributor.authorÜlgüt, Burak
buir.contributor.orcidÜlgüt, Burak|0000-0002-4402-0033
dc.citation.epage419en_US
dc.citation.spage412en_US
dc.citation.volumeNumber74en_US
dc.contributor.authorYe, L.
dc.contributor.authorZhang, C.
dc.contributor.authorZhou, Y.
dc.contributor.authorÜlgüt, Burak
dc.contributor.authorZhao, Y.
dc.contributor.authorQian, J.
dc.date.accessioned2023-02-14T07:35:43Z
dc.date.available2023-02-14T07:35:43Z
dc.date.issued2022-08-04
dc.departmentDepartment of Chemistryen_US
dc.description.abstractLithium metal is the ultimate anode choice for high energy rechargeable lithium batteries owing to its ultra-high theoretical capacity, however, Li dendrites and low Coulombic efficiency (CE) caused by disordered Li plating restrict its practical application. Herein, we develop an ultrathin Sn-decorated Cu substrate (Sn@Cu) fabricated by an electroless plating method to induce ordered Li nucleation and growth behavior. The lithiophilic Sn interfacial layer is found to play a critical role to lower the Li nucleation over-potential and promote fast Li-migration kinetics, and the underlying mechanism is revealed using the first principle calculations. Accordingly, a dense dendrite-free and Li deposition with large granular morphology is obtained, which significantly improved the CE and cycling performance of Li||Sn@Cu half cells symmetric cells. Symmetric cells using the Li-Sn@Cu electrode display a much-prolonged life span (>1200 h) with low overpotential (∼18 mV) at a high current density of 1 mA cm−2. Moreover, full cells paired with commercial LiFePO4 cathode (1.8 mAh cm−2) deliver enhanced cycling stability (0.5 C, 300 cycles) and excellent rate performance. This work provides a simple and effective way to bring about high efficiency and long lifespan substrates for practical applications.en_US
dc.description.provenanceSubmitted by Ezgi Uğurlu (ezgi.ugurlu@bilkent.edu.tr) on 2023-02-14T07:35:43Z No. of bitstreams: 1 Guided_lithium_nucleation_and_growth_on_lithiophilic_tin-decorated_copper_substrate.pdf: 2549333 bytes, checksum: f9dc5f9e0a63e2bec59b22aa2db78387 (MD5)en
dc.description.provenanceMade available in DSpace on 2023-02-14T07:35:43Z (GMT). No. of bitstreams: 1 Guided_lithium_nucleation_and_growth_on_lithiophilic_tin-decorated_copper_substrate.pdf: 2549333 bytes, checksum: f9dc5f9e0a63e2bec59b22aa2db78387 (MD5) Previous issue date: 2022-08-04en
dc.embargo.release2024-08-04
dc.identifier.doi10.1016/j.jechem.2022.07.027en_US
dc.identifier.eissn2096-885X
dc.identifier.issn2095-4956
dc.identifier.urihttp://hdl.handle.net/11693/111231
dc.language.isoEnglishen_US
dc.publisherElsevier Inc.en_US
dc.relation.isversionofhttps://doi.org/10.1016/j.jechem.2022.07.027en_US
dc.source.titleJournal of Energy Chemistryen_US
dc.subjectLithium metal anodeen_US
dc.subjectLithiophilic tin modificationen_US
dc.subjectElectroless tin platingen_US
dc.subjectNucleation and growthen_US
dc.subjectLi migration kineticsen_US
dc.subjectFirst-principles calculationsen_US
dc.titleGuided lithium nucleation and growth on lithiophilic tin-decorated copper substrateen_US
dc.typeArticleen_US

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