Materialia, volume 33, pages 101999

High-Pressure Low-Temperature densification of NASICON-based LATP electrolytes for solid-state lithium batteries

Sona Valiyaveettil Sobhanraj ^{1, 2}

Pawel Gluchowski ³

P. López-Aranguren ¹

Frederic Aguesse ¹

Sampathkumar Ramakumar ¹

Travis Thompson ⁴

Catleya Rojviriya ⁵

William Wang Manalastas ⁶

Srinivasan Madhavi ⁷

Montse Casas-Cabanas ^{1, 8}

Hide authors affiliations Show authors affiliations: 8 affiliations

Centre for Cooperative Research on Alternative Energies (CIC EnergiGUNE), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain |

Department of Applied Physics II, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Barrio Sarriena, s/n, 48940 Leioa, Spain |

Institute of Low Temperature and Structural Research PAS, PL 50422 Wroclaw, Poland |

⁴

Umicore, 31 rue du Marais, 1000 Brussels, Belgium |

⁵

Synchrotron Light Research Institute (SLRI), Nakhon Ratchasima 30000, Thailand |

⁶

School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Ave 639798, Singapore |

⁷

Energy Research Institute at Nanyang Technological University, Research Techno Plaza, 50 Nanyang Drive, Singapore 637553, Singapore |

⁸

IKERBASQUE, The Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain |

Publication type: Journal Article

Publication date: 2024-03-01

Elsevier

Journal: Materialia

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Impact factor: 3.3

ISSN: 25891529, 25891529

DOI: 10.1016/j.mtla.2023.101999

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General Materials Science

Abstract

Ceramic oxides are promising solid electrolytes for Lithium metal solid-state batteries (SSBs) because of their high ionic conductivity and stability under ambient conditions. Nonetheless, the need for high-temperature densification approaches challenges their processability towards upscaling and their implementation into practical SSB devices. Here, we investigate a High-Pressure Low-Temperature (HPLT) processing technique for the densification of NASICON-based Li1+xAlxTi2-x(PO4)3 (LATP) solid electrolyte, providing an understanding of several key parameters such as temperature, pressure and time. Our results show that nanometric LATP can be densified using the HPLT technique at 200˚C within 2 minutes delivering an ionic conductivity of 6.15×10−5 Scm−1, which is the highest reported value at this temperature without the addition of solvents. On the other hand, by combining HPLT with a short post-heat treatment at 700 or 800 ˚C for 1 hour, highly dense pellets with an ionic conductivity of 10−4 Scm−1 can be obtained. This represents a reduction of the densification temperature of more than 400˚C compared to conventional high-temperature sintering and shows the potential of HPLT to overcome current densification constraints derived from the use of very high temperatures.

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Valiyaveettil Sobhanraj S. et al. High-Pressure Low-Temperature densification of NASICON-based LATP electrolytes for solid-state lithium batteries // Materialia. 2024. Vol. 33. p. 101999.

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Valiyaveettil Sobhanraj S., Gluchowski P., López-Aranguren P., Aguesse F., Ramakumar S., Thompson T., Rojviriya C., Manalastas W. W., Madhavi S., Casas-Cabanas M. High-Pressure Low-Temperature densification of NASICON-based LATP electrolytes for solid-state lithium batteries // Materialia. 2024. Vol. 33. p. 101999.

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TY - JOUR

DO - 10.1016/j.mtla.2023.101999

UR - https://doi.org/10.1016/j.mtla.2023.101999

TI - High-Pressure Low-Temperature densification of NASICON-based LATP electrolytes for solid-state lithium batteries

T2 - Materialia

AU - Valiyaveettil Sobhanraj, Sona

AU - Gluchowski, Pawel

AU - López-Aranguren, P.

AU - Aguesse, Frederic

AU - Ramakumar, Sampathkumar

AU - Thompson, Travis

AU - Rojviriya, Catleya

AU - Manalastas, William Wang

AU - Madhavi, Srinivasan

AU - Casas-Cabanas, Montse

PY - 2024

DA - 2024/03/01 00:00:00

PB - Elsevier

SP - 101999

VL - 33

SN - 2589-1529

ER -

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BibTex Copy

@article{2024_Valiyaveettil Sobhanraj,

author = {Sona Valiyaveettil Sobhanraj and Pawel Gluchowski and P. López-Aranguren and Frederic Aguesse and Sampathkumar Ramakumar and Travis Thompson and Catleya Rojviriya and William Wang Manalastas and Srinivasan Madhavi and Montse Casas-Cabanas},

title = {High-Pressure Low-Temperature densification of NASICON-based LATP electrolytes for solid-state lithium batteries},

journal = {Materialia},

year = {2024},

volume = {33},

publisher = {Elsevier},

month = {mar},

url = {https://doi.org/10.1016/j.mtla.2023.101999},

pages = {101999},

doi = {10.1016/j.mtla.2023.101999}

}

Found error?

Publisher

Elsevier

Journal

Materialia

Quartile SCImago

Quartile WOS

—

Impact factor

3.3

ISSN

25891529 (Electronic)
25891529 (Print)

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