Rapid <i>in situ</i> growth of high-entropy oxide nanoparticles with reversible spinel structures for efficient Li storage

Zhu, Siyu; Nong, Wei; Nicholas, Lim Jun Ji; Cao, Xun; Zhang, Peilin; Lu, Yu; Xiu, Mingzhen; Huang, Kang; Wu, Gang; Yang, Shuo-Wang; Wu, Junsheng; Liu, Zheng; Srinivasan, Madhavi; Hippalgaonkar, Kedar; Huang, Yizhong

doi:10.1039/d3ta08101j

J. Mater. Chem. A

2024

DOI: 10.1039/d3ta08101j

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Rapid in situ growth of high-entropy oxide nanoparticles with reversible spinel structures for efficient Li storage

Siyu Zhu,

Wei Nong,

Lim Jun Ji Nicholas

et al.

Abstract: Using laser radiation, high-entropy nanoparticles were rapidly fabricated on conductive carbon. The high-entropy nanomaterials with reversible spinel structures exhibit better cycling and rate performances in LIBs.

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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

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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

show abstract

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Rapid in situ growth of high-entropy oxide nanoparticles with reversible spinel structures for efficient Li storage

Abstract: Using laser radiation, high-entropy nanoparticles were rapidly fabricated on conductive carbon. The high-entropy nanomaterials with reversible spinel structures exhibit better cycling and rate performances in LIBs.

Cited by 1 publication

References 85 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

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Rapid in situ growth of high-entropy oxide nanoparticles with reversible spinel structures for efficient Li storage

Abstract: Using laser radiation, high-entropy nanoparticles were rapidly fabricated on conductive carbon. The high-entropy nanomaterials with reversible spinel structures exhibit better cycling and rate performances in LIBs.

Cited by 1 publication

References 85 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

Contact Info

Product

Resources

About

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