Ceramicized NASICON-based solid-state electrolytes for lithium metal batteries

Tsai, Yung-Chun; Ku, Meng-Chiao; Hsieh, Chien-Te; Sung, Po-Yu; Chen, Pin-Shuan; Mohanty, Debabrata; Gandomi, Yasser Ashraf; Hung, I-Ming; Patra, Jagabandhu; Chang, Jeng-Kuei

doi:10.1007/s10008-023-05729-x

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2024

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Cited by 2 publications

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Ceramic Electrolytes

Julien,

Mauger

2024

Rechargeable Lithium Metal Batteries

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Ceramic Electrolytes

Julien,

Mauger

2024

Rechargeable Lithium Metal Batteries

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Metal-Doped NASICON/Polymer Composite Solid Electrolyte for Lithium Titania Anode in Lithium-Ion Batteries

Hsieh,

Cho,

Chang

et al. 2024

Polymers

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This study reports five types of metal-doped (Co, Cu, Sn, V, and Zr) NASICON-type Li1.3Al0.3Ti1.7(PO4)3 (LATP)/polymer composite solid electrolytes (CSEs) enabling Li4Ti5O12 (LTO) anodes to have high rate capability and excellent cycling performance. The high Li+-conductivity LATP samples are successfully synthesized through a modified sol–gel method followed by thermal calcination. We find that the cation dopants clearly influence the substitution of Al for Ti, with the type of dopant serving as a crucial factor in determining the ionic conductivity and interfacial resistance of the solid electrolyte. The CSE containing poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP), lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), and Sn-LATP shows an ionic conductivity of 1.88 × 10−4 S cm−1 at ambient temperature. The optimum conductivity can be attributed to alterations in the lattice parameters and Li+ transport pathways owing to Sn doping. The solid-state cell equipped with the LTO-supported CSE containing Sn-LATP fillers demonstrates both excellent high rate capability at 5 C (with a capacity retention of 86% compared to the value measured at 0.2 C) and superior cycling stability, maintaining high Coulombic efficiency (>99.0%) over 510 cycles. These findings indicate that the proposed CSE is highly promising for use in solid-state lithium batteries with desirable charge–discharge properties and high durability.

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Ceramicized NASICON-based solid-state electrolytes for lithium metal batteries

Cited by 2 publications

References 54 publications

Ceramic Electrolytes

Ceramic Electrolytes

Metal-Doped NASICON/Polymer Composite Solid Electrolyte for Lithium Titania Anode in Lithium-Ion Batteries

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