Two-step cold sintering of Li1.3Al0.3Ti1.7(PO4)3 composite solid electrolyte with non-equilibrium microstructures for enhanced electrochemical performance

Jiao, Jiabin; Xie, Ziqian; Zhang, Yangdong; Zhao, Chunlin; Wu, Xiao; Lin, Tengfei; Gao, Min; Lin, Cong

doi:10.1039/d4ta00068d

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta00068d

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Two-step cold sintering of Li_1.3Al_0.3Ti_1.7(PO₄)₃ composite solid electrolyte with non-equilibrium microstructures for enhanced electrochemical performance

Jiabin Jiao,

Ziqian Xie,

Yangdong Zhang

et al.

Abstract: Due to the high ionic conductivity and low cost, Li1.3Al0.3Ti1.7(PO4)3 (LATP) has emerged as a promising solid-state electrolyte for next-generation Li metal solid-state batteries. However, the susceptibility of LATP to...

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Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li⁺ Transport Channels

Li,

Yuan,

et al. 2024

Small

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Traditional PEO electrolyte has high crystallinity which hinders the transmission of Li+, resulting in poor ion conductivity and complicated processing technology. Herein, a polymer electrolyte (p‐electrolyte) with a wide electrochemical window and high ionic conductivity is designed, which possesses an amorphous condensed structure. The amorphous structure provides fast transport channels for Li+, so the p‐electrolyte possesses an electrochemical window of 4.2 V, and high ionic conductivity of 1.58 × 10−5 S cm−1 at room temperature, which is 1–2 orders of magnitude higher than that of traditional PEO electrolyte. By using the designed polymer electrolyte as the foundation, an in situ curable composite polymer electrolyte (CPE‐L) with multiple Li+ transport channels is elaborately constructed. The Cu‐BTC MOF stores abundant Li+, which is introduced into the p‐electrolyte. The rich unsaturated Cu2+ coordination sites of Cu‐BTC can anchor TFSI− to release Li+, and the pore structure of Cu‐BTC MOF cooperates with LLZTO nanoparticles to provide multiple fast transport channel for Li+, resulting in remarkable ionic conductivity (1.02 × 10−3 S cm−1) and Li+ transference number (0.58). The Li||CPE‐L||Li symmetric battery cycles stably for more than 700 h at 0.1 mA cm−2, while the specific capacity of full battery is ≈153 mAh g−1 (RT, 0.2 C).

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Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li⁺ Transport Channels

Li,

Yuan,

et al. 2024

Small

View full text Add to dashboard Cite

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Unlocking the potential of polyester-polymer: Assisting cold sintering of insoluble ceramics

Hu,

Jin,

et al. 2024

Nano Materials Science

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Two-step cold sintering of Li_1.3Al_0.3Ti_1.7(PO₄)₃ composite solid electrolyte with non-equilibrium microstructures for enhanced electrochemical performance

Abstract: Due to the high ionic conductivity and low cost, Li1.3Al0.3Ti1.7(PO4)3 (LATP) has emerged as a promising solid-state electrolyte for next-generation Li metal solid-state batteries. However, the susceptibility of LATP to...

Cited by 2 publications

References 60 publications

Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li⁺ Transport Channels

Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li⁺ Transport Channels

Unlocking the potential of polyester-polymer: Assisting cold sintering of insoluble ceramics

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Two-step cold sintering of Li1.3Al0.3Ti1.7(PO4)3 composite solid electrolyte with non-equilibrium microstructures for enhanced electrochemical performance

Abstract: Due to the high ionic conductivity and low cost, Li1.3Al0.3Ti1.7(PO4)3 (LATP) has emerged as a promising solid-state electrolyte for next-generation Li metal solid-state batteries. However, the susceptibility of LATP to...

Cited by 2 publications

References 60 publications

Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li+ Transport Channels

Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li+ Transport Channels

Unlocking the potential of polyester-polymer: Assisting cold sintering of insoluble ceramics

Contact Info

Product

Resources

About

Two-step cold sintering of Li_1.3Al_0.3Ti_1.7(PO₄)₃ composite solid electrolyte with non-equilibrium microstructures for enhanced electrochemical performance

Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li⁺ Transport Channels

Conducting Composite Polymer‐Based Solid‐State Electrolyte with High Ion Conductivity via Amorphous Condensed Structure and Multiple Li⁺ Transport Channels