Prussian Blue Analogues for Sodium‐Ion Battery Cathodes: A Review of Mechanistic Insights, Current Challenges, and Future Pathways

Small, Journal Year: 2024, Volume and Issue: 20(35)

Published: April 29, 2024

Prussian blue analogues (PBAs) have emerged as highly promising cathode materials for sodium-ion batteries (SIBs) due to their affordability, facile synthesis, porous framework, and high theoretical capacity. Despite considerable potential, practical applications of PBAs face significant challenges that limit performance. This review offers a comprehensive retrospective analysis PBAs' development history materials, delving into reaction mechanisms, including charge compensation ion diffusion mechanisms. Furthermore, overcome these challenges, range improvement strategies are proposed, encompassing modifications in synthesis techniques enhancements structural stability. Finally, the commercial viability is examined, alongside discussions on advanced methods existing concerns regarding cost safety, aiming foster ongoing advancements SIBs.

Language: Английский

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Recent Advances in High‐Entropy Layered Oxide Cathode Materials for Alkali Metal‐Ion Batteries

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 29, 2024

Abstract Since the electrochemical de/intercalation behavior is first detected in 1980, layered oxides have become most promising cathode material for alkali metal‐ion batteries (Li + /Na /K ; AMIBs) owing to their facile synthesis and excellent theoretical capacities. However, inherent drawbacks of unstable structural evolution sluggish diffusion kinetics deteriorate performance, limiting further large‐scale applications. To solve these issues, novel strategy high entropy has been widely applied oxide cathodes AMIBs recent years. Through multielement synergy stabilization effects, high‐entropy (HELOs) can achieve adjustable activity enhanced stability. Herein, basic concepts, design principles, methods HELO are introduced systematically. Notably, it explores detail improvements on limitations oxides, highlighting latest advances materials field AMIBs. In addition, introduces advanced characterization calculations HELOs proposes potential future research directions optimization strategies, providing inspiration researchers develop areas energy storage conversion.

Language: Английский

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Nonmetal Substitution in Interstitial Site of O3‐NaNi_0.5Mn_0.5O₂ Induces the Generation of a Nearly Zero Strain P2&O3 Biphasic Structure as Ultrastable Sodium‐Ion Cathode

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 23, 2024

Abstract Co‐free O3‐type NaNi 0.5 Mn O 2 cathode material for sodium‐ion batteries has shown great promise due to its high theoretical capacity and plentiful Na reservoir. However, the rapid recession caused by harmful phase transition large volume strain severely restricts their practical application. Herein, obstacle is well addressed constructing a P2&O3 biphasic structure via customized boron‐doping strategy. The light‐weight boron doping in interstitial position reduces energy gap of formation P2 O3 structure, which induces biphase state. In addition, exhibits near zero lattice interlocking effect P2&O3, as identified situ X‐ray diffraction measurement. As result, it presents remarkable cyclability with retention 85.2% over 1000 cycles at rate 5 C. More importantly, pouch‐type full‐cell device can exhibit long cycling life 70.8% 150 0.1 This work offer new inspiration designing advanced sodium electrode materials light element future storage devices.

Language: Английский

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Constructing layered/tunnel interlocking oxide cathodes for sodium-ion batteries based on breaking Mn3+/Mn4+ equilibrium in Na0.44MnO2 via trace Mo doping

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: 284, P. 111664 - 111664

Published: June 28, 2024

Language: Английский

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Innovative High‐Entropy Strategy Extending Traditional Metal Substitution for Optimizing Prussian Blue Analogues in Rechargeable Batteries

SusMat, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 16, 2025

ABSTRACT High‐entropy materials (HEMs) possess unique properties that can be tailored for specific performance characteristics, making them suitable various battery applications. In particular, HEMs have shown significant promise in enhancing the electrochemical of Prussian blue analogues (PBAs) across systems, including sodium‐ion, potassium‐ion, lithium‐sulfur, aqueous zinc‐ion, and ammonium‐ion batteries. This article examines case studies to explore how high‐entropy strategy enhances PBA performance. It also provides an overview traditional metal substitution methods modifying two main types PBAs, is, Fe‐based Mn‐based electrode materials. Additionally, other optimization methods, such as defect modulation, surface modification, composite structures, electrolyte are discussed. Finally, delves deeply into relationship between techniques from perspectives element design enhancement, aiming provide comprehensive theoretical guidance readers.

Language: Английский

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Recent Progress and Challenges on Emerging High-Entropy Materials for Better Zn-Air and Zn-Ion Batteries

Energy storage materials, Journal Year: 2025, Volume and Issue: 75, P. 104064 - 104064

Published: Jan. 31, 2025

Language: Английский

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Leveraging Entropy and Crystal Structure Engineering in Prussian Blue Analogue Cathodes for Advancing Sodium-Ion Batteries

ACS Nano, Journal Year: 2024, Volume and Issue: 18(35), P. 24441 - 24457

Published: Aug. 22, 2024

The synergistic engineering of chemical complexity and crystal structures has been applied to Prussian blue analogue (PBA) cathodes in this work. More precisely, the high-entropy concept successfully introduced into two structure types identical composition, namely, cubic monoclinic. Through utilization a variety complementary characterization techniques, comprehensive investigation electrochemical behavior monoclinic PBAs conducted, providing nuanced insights. implementation exhibits crucial selectivity toward intrinsic structure. Specifically, while overall cycling stability both cathode systems is significantly improved, interplay entropy proves particularly significant. After optimization, PBA demonstrates structural advantages, showcasing good reversibility, minimal capacity loss, high thermal stability, unparalleled endurance even under harsh conditions (high specific current temperature).

Language: Английский

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Expediting layered oxide cathodes based on electronic structure engineering for sodium-ion batteries: Reversible phase transformation, abnormal structural regulation, and stable anionic redox

Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109905 - 109905

Published: June 21, 2024

Language: Английский

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Mitigating Mechanical Stress by the Hierarchical Crystalline Domain for High-Energy P2/O3 Biphasic Cathode Materials

ACS Nano, Journal Year: 2024, Volume and Issue: 18(46), P. 32003 - 32015

Published: Nov. 11, 2024

Sodium-ion batteries (SIBs) have captured widespread attention for grid-scale energy storage owing to the wide distribution and low cost of sodium resources. Delivery high density with stable retention remains a challenge in developing cathode candidates rechargeable SIBs. Inspired by concept "cationic potential", here, we present hierarchical crystalline domain hexagonal particles target chemical composition (Na

Language: Английский

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Current status and future prospects of biochar application in electrochemical energy storage devices: A bibliometric review

Desalination, Journal Year: 2024, Volume and Issue: 581, P. 117597 - 117597

Published: April 2, 2024

Language: Английский

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