Recent Progress on Organic Liquid Electrolyte for High‐Temperature Sodium Batteries

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 26, 2025

Abstract Sodium batteries are considered promising candidates for large‐scale energy storage systems due to abundant sodium resources and low costs. However, suffer from serious transition metal dissolution, undesirable side reactions, increased thermal runaway risk at elevated operation temperatures. Electrolyte, as a key component of batteries, is closely related temperature tolerance. Herein, we focus on recent achievements in organic liquid electrolyte high‐temperature batteries. First, the failure mechanisms discussed Subsequently, introduce components summarize effective optimization strategies including salt selection, concentration regulation, solvents optimization, additives. Finally, further directions proposed. It believed that this review can provide whole picture insight into design

Язык: Английский

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Lattice Engineering on Li₂CO₃‐Based Sacrificial Cathode Prelithiation Agent for Improving the Energy Density of Li‐Ion Battery Full‐Cell

Advanced Materials, Год журнала: 2023, Номер 36(13)

Опубликована: Дек. 20, 2023

Abstract Developing sacrificial cathode prelithiation technology to compensate for active lithium loss is vital improving the energy density of lithium‐ion battery full‐cells. Li 2 CO 3 owns high theoretical specific capacity, superior air stability, but poor conductivity as an insulator, acting a promising challenging agent candidate. Herein, extracting trace amount Co from LiCoO (LCO), lattice engineering developed through substituting sites with and inducing defects obtain composite structure consisting (Li 0.906 0.043 ▫ 0.051 ) 2.934 ball milled (Co‐Li @LCO). Notably, both bandgap ─ O bond strength have essentially declined in this structure. Benefiting synergistic effect bulk phase catalytic regulation Co, potential deep decomposition significantly decreases typical >4.7 ≈4.25 V versus Li/Li + , presenting >600 mAh g −1 compensation capacity. Impressively, coupling 5 wt% Co‐Li @LCO within NCM‐811 cathode, 235 Wh kg pouch‐type full‐cell achieved, performing 88% capacity retention after 1000 cycles.

Язык: Английский

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Perspective on Phase Transition in Layered Oxide Cathodes for Sodium-Ion Batteries: Mechanism, Influenced Factors, and Inhibition Strategies

Energy & Fuels, Год журнала: 2024, Номер 38(15), С. 13906 - 13933

Опубликована: Июль 20, 2024

Язык: Английский

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Achieving complete solid-solution reaction in layered cathodes with reversible oxygen redox for high-stable sodium-ion batteries

Energy storage materials, Год журнала: 2024, Номер 74, С. 103895 - 103895

Опубликована: Ноя. 9, 2024

Язык: Английский

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Lattice Strengthening Enables Reversible Anionic Redox Chemistry in Sodium-Ion Batteries

Energy storage materials, Год журнала: 2024, Номер unknown, С. 103935 - 103935

Опубликована: Ноя. 1, 2024

Язык: Английский

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