High performance LATP thin film electrolytes for all-solid-state microbattery applications
Financiación H2020 / H2020 Funds
Resumen: The NASICON superionic solid electrolyte Li1+xAlxTi2-x(PO4)3 (LATP) with 0.3 = x = 0.5 remains one of the most promising solid electrolytes thanks to its good ionic conductivity and outstanding stability in ambient air. Despite the intensive research for bulk systems, there are only very few studies of LATP in a thin film form (thickness < 1 µm) and its implementation in all-solid-state batteries and microbatteries. The following study fills this gap by exploring the properties of high performance LATP thin films fabricated by large-area Pulsed Laser Deposition (PLD). The as-deposited thin films exhibit an ionic conductivity of around 0.5 µS cm-1 at room temperature (comparable to the state-of-the-art of LiPON) which increases to a remarkably high value of 0.1 mS cm-1 after an additional annealing at 800 °C. A possible cause for this significant enhancement in ionic conductivity by two orders of magnitude is the formation of a glassy, intergranular phase. The performance of both as-deposited and annealed LATP films makes them suitable as solid electrolytes, which opens the path to a new family of stable and high performance all-solid-state thin film batteries. This journal is © The Royal Society of Chemistry.
Idioma: Inglés
DOI: 10.1039/d1ta02991f
Año: 2021
Publicado en: Journal of Materials Chemistry A 9, 33 (2021), 17760-17769
ISSN: 2050-7488

Factor impacto JCR: 14.511 (2021)
Categ. JCR: CHEMISTRY, PHYSICAL rank: 18 / 165 = 0.109 (2021) - Q1 - T1
Categ. JCR: MATERIALS SCIENCE, MULTIDISCIPLINARY rank: 26 / 345 = 0.075 (2021) - Q1 - T1
Categ. JCR: ENERGY & FUELS rank: 9 / 119 = 0.076 (2021) - Q1 - T1

Factor impacto CITESCORE: 21.0 - Energy (Q1) - Materials Science (Q1)

Factor impacto SCIMAGO: 3.099 - Materials Science (miscellaneous) (Q1) - Chemistry (miscellaneous) (Q1)

Financiación: info:eu-repo/grantAgreement/EC/H2020/801342/EU/ACCIÓ programme to foster mobility of researchers with a focus in applied research and technology transfer/TECNIOspringINDUSTRY
Financiación: info:eu-repo/grantAgreement/EC/H2020/823717/EU/Enabling Science and Technology through European Electron Microscopy/ESTEEM3
Financiación: info:eu-repo/grantAgreement/EC/H2020/824072/EU/Energy HarveStorers for Powering the Internet of Things/HARVESTORE
Financiación: info:eu-repo/grantAgreement/ES/MINECO-AEI-FEDER/PID2019-104739GB-I00-AEI-10.13039-501100011033
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2016-79776-P
Tipo y forma: Article (Published version)

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