Challenges and Advances in Rechargeable Batteries for Extreme‐Condition Applications

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(4)

Published: Oct. 17, 2023

Abstract Rechargeable batteries are widely used as power sources for portable electronics, electric vehicles and smart grids. Their practical performances are, however, largely undermined under extreme conditions, such in high‐altitude drones, ocean exploration polar expedition. These environmental conditions not only bring new challenges but also incur unique battery failure mechanisms. To fill the gap, it is of great importance to understand mechanisms different figure out key parameters that limit performances. In this review, authors start by investigating from viewpoints ionic/charge transfer, material/interface evolution electrolyte degradation conditions. This followed engineering approaches through electrode materials design, modification component optimization enhance Finally, a short perspective provided about future development rechargeable

Language: Английский

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A review of nitrogen-doped carbon materials for lithium-ion battery anodes

New Carbon Materials, Journal Year: 2023, Volume and Issue: 38(2), P. 247 - 278

Published: April 1, 2023

Language: Английский

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Designing strategies of advanced electrode materials for high-rate rechargeable batteries

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(9), P. 4428 - 4457

Published: Jan. 1, 2023

Fast-charging design strategies including surface coating, regulating morphology, creating defects, functionalizing groups modification, chemical intercalating and element doping are overviewed to provide guidance toward high-rate materials.

Language: Английский

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Crystallographic Insight of Reduced Lattice Volume Expansion in Mesoporous Cu²⁺‐Doped TiNb₂O₇ Microspheres during Li⁺ Insertion

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(15)

Published: Jan. 25, 2023

Abstract TiNb 2 O 7 represents a promising anode material for lithium‐ion batteries (LIBs), but its practical applications are currently hampered by the non‐negligible volumetric expansion and contraction during charge/discharge process sluggish ion/electron kinetics. A combination technique is reported systematically optimizing porous spherical morphology, crystal structure, surface decoration of mesoporous Cu 2+ ‐doped microspheres to enhance electrochemical Li + storage performance stability simultaneously. The dopants preferentially replace Ti 4+ in lattices, which decreases diffusion barrier increases electronic conductivity, as confirmed density functional theory (DFT) calculation demonstrated diverse characterizations. successful doping significantly reduces lattice coefficient from 7.26% 4.61% after insertion along b ‐axis , visualized situ ex XRD analysis. optimal 5% with coating N‐doped carbon exhibits enhanced specific capacity rate cyclic performances both half‐ full‐cell configurations, demonstrating an excellent behavior fast‐charging LIB applications.

Language: Английский

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Advancements and Prospects of Graphite Anode for Potassium‐Ion Batteries

Small Methods, Journal Year: 2023, Volume and Issue: 7(11)

Published: Aug. 21, 2023

Potassium-ion batteries (KIBs) have recently attracted considerable attention owing to their resource abundance, low cost and environmental friendliness. Graphite as a mature commercial anode material for lithium-ion batteries, has been proved promising candidate KIBs by reversible forming potassium-graphite intercalation compounds. However, large volume expansion sluggish K+ kinetics caused the incompatibility between radius of small interlayer spacing graphite, result in poor cycle stability rate performances, hindering its practical application. Extensive research efforts focused on improving potassium storage performance graphite anodes. This review provides an overview recent advances addressing these challenges optimizing electrochemical anodes KIBs. Various strategies improve graphitic carbon anodes, such microcrystalline regulation, heteroatom doping, morphological adjustment, coating modification, are discussed, while critical issues associated with prospects advancement highlighted. The offers valuable guidelines rational structural design promotes development high-performance materials

Language: Английский

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Structure‐Performance Relationship of Aromatic Polymer Binder for Silicon Anode in Lithium‐Ion Batteries

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(44)

Published: July 4, 2023

Abstract Polymer binders are essential for Silicon (Si) anode‐based lithium‐ion batteries (LIBs). However, the synthetic guidance aromatic polymer binder is relatively less explored compared to aliphatic binders. In this study, polyimide‐based developed that have strong binding affinity with Si particles, a conductive agent and copper (Cu) current collector, they show an improved initial discharge capacity of 2663 mAh g −1 , which 29% higher than Kapton‐based one (2071 ). The copolymerization between “hard” “soft” segments crucial achieve reversible volume expansion/contraction during repeated charging/discharging process, resulting in best cycle performance. new ensures both excellent retention after full‐delithiation allowed expansion at least some extent upon full‐lithiation. This Study finds power‐law relationship anode mechanical properties binder, i.e., tensile stress ( σ ) strain ɛ proportional n · (n = 2.3–2.7). Such understanding relationships structure, performance clearly revealed importance soft‐hard structure used Si‐based high‐capacity lithium storage materials.

Language: Английский

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Atomic layer deposition of aluminum-doped zinc oxide onto MoO3 nanorods toward enhanced lithium storage performance

Scripta Materialia, Journal Year: 2023, Volume and Issue: 238, P. 115769 - 115769

Published: Sept. 18, 2023

Language: Английский

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Fast Kinetic Carbon Anode Inherited and Developed from Architectural Designed Porous Aromatic Framework for Flexible Lithium Ion Micro Capacitors

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(27)

Published: March 28, 2023

Abstract Lithium ion micro capacitors (LIMCs) demonstrate competitive advantages of simultaneously high energy/power densities and long cycle life over many other supercapacitors batteries. However, these performances are significantly determined by the carbon anode with fast Li + storage kinetics. Herein, a design strategy at precursor side typical porous aromatic framework‐5 (PAF‐5) from bonding levels is proposed, coupling post pyrolysis, sp 2 / 3 domains ratio, interlayer spacing, pore structure derived carbons can be synergistically balanced. The inherited PAF‐5 endow electron transport capability adsorption capacity. Meanwhile, developed enlarged spacing also enable abundant intercalation contribution, giving rise to superior rate (141.9 mAh g −1 4 A ) that 13 times better than commercial graphite anode. flexible LIMCs based on this fabricated, (71.1 mWh cm −3 /1.9 W ), (94.7% after 6,000 cycles), flexibility achieved, demonstrating great feasibility designed PAFs as trimmed precursors for performance storage.

Language: Английский

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Approaching Microsized Alloy Anodes via Solid Electrolyte Interphase Design for Advanced Rechargeable Batteries

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(23)

Published: May 1, 2023

Abstract Microsized alloy anodes (Si, P, Sb, Sn, Bi, etc.) with high capacity, proper working potential, tap density, and low cost are promising for breaking the energy limits of current rechargeable batteries. Nevertheless, they suffer from large volume changes during cycling processes, posing a great challenge in maintaining thin, dense, intact solid electrolyte interphase (SEI) layer. Recent progress suggests that problematic SEI layer can be turned to advantage integrity microparticle if well designed, which is expected significantly boost cyclic stability without resorting complex electrode architectures. Advances this attractive direction reviewed shed light on future development. First, key issues high‐capacity microsized fundamentals discussed. Thereafter, regulation strategies layers advanced batteries, including engineering, surface modification, cycle protocols, architecture design, outlined. Finally, potential challenges perspectives developing high‐quality proposed.

Language: Английский

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Fast-charging graphite anode for lithium-ion batteries: Fundamentals, strategies, and outlooks

Applied Physics Letters, Journal Year: 2024, Volume and Issue: 124(4)

Published: Jan. 22, 2024

The basic requirements for lithium-ion batteries in the field of electric vehicles are fast charging and high energy density. This will enhance competitiveness market while reducing greenhouse gas emissions effectively preventing environmental pollution. However, current using graphite anodes cannot achieve goal without compromising electrochemical performance safety issue. article analyzes mechanism materials fast-charging from aspects battery structure, charge transfer, mass transport, aiming to fundamentally understand failure mechanisms during charging. In addition, we review discuss recent advances strategies optimizing summarize improvement methods electrodes, electrolytes, structures, algorithms. Moreover, challenges promising concepts developing future anode emphasized. is great significance better designing high-safety batteries.

Language: Английский

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