Effect of Deformation on Safety and Capacity of Li-Ion Batteries DOI Creative Commons
Genwei Wang, Juanjuan Wu,

Zijun Zheng

et al.

Batteries, Journal Year: 2022, Volume and Issue: 8(11), P. 235 - 235

Published: Nov. 11, 2022

Deformations in lithium-ion batteries, which may lead to thermal runaway, can occur during storage and transportation handling, as well road use. In this study, both radial axial compression deformation were produced experimentally analyze their influence on the performance safety of batteries. plate experiment, battery was loaded different displacements then charge–discharge cycles performed. It found that greater battery, smaller initial capacity faster decay. Under loading, voltage low state charge (SOCs) batteries showed a clear step-drop phenomenon. The compressed until first drop, loading stopped, gradually dropped 0 V. For high-SOC there almost no step-down, small could cause runaway battery. results direction only reduced but had little impact its safety, whereas more likely an internal short circuit (ISC).

Language: Английский

New Insights into Anionic Redox in P2-Type Oxide Cathodes for Sodium-Ion Batteries DOI
Zhixiong Huang, Kai Li, Junming Cao

et al.

Nano Letters, Journal Year: 2024, Volume and Issue: 24(43), P. 13615 - 13623

Published: Oct. 17, 2024

Manganese/nickel-based layered transition metal oxides have caught the attention of studies as promising cathodes for sodium-ion batteries (SIBs). It is reported that utilizing both cationic and anionic redox reactions a method higher energy density cathodes. However, reaction comes at expense irreversible oxygen release. Hence, Li-Mg cosubstituted P2-Na

Language: Английский

Citations

21
Revisiting Dipole-Induced Fluorinated-Anion Decomposition Reaction for Promoting a LiF-Rich Interphase in Lithium-Metal Batteries DOI Creative Commons
Liu Wang, Jiahui Guo, Qi Qi

et al.

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: Jan. 20, 2025

Abstract Building anion-derived solid electrolyte interphase (SEI) with enriched LiF is considered the most promising strategy to address inferior safety features and poor cyclability of lithium-metal batteries (LMBs). Herein, we discover that, instead direct electron transfer from surface polar groups bis(trifluoromethanesulfonyl)imide (TFSI − ) for inducing a LiF-rich SEI, dipole-induced fluorinated-anion decomposition reaction begins adsorption Li ions highly dependent on their mobility surface. To demonstrate this, single-layer graphdiyne MXene (sGDY@MXene) heterostructure has been successfully fabricated integrated into polypropylene separators. It found that adsorbed connect electron-donating sGDY@MXene TFSI , facilitating interfacial charge decomposition. However, this does not capture entire picture. The also renders high mobility, enabling them reach optimal sites expedite coordination processes O O=S=O F broken –CF 3 bond cleavage. In contrast, immobilized more lithiophilic pristine retard these cleavage processes. Consequently, accelerated sGDY@MXene. This work highlights dedicate balance between lithiophilicity Li-ion in effectively promoting SEI long-term stability LMBs.

Language: Английский

Citations

3
Deciphering the critical effect of cathode-electrolyte interphase by revealing its dynamic evolution DOI
Zhengfeng Zhang, Changdong Qin, Kuan Wang

et al.

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 81, P. 192 - 199

Published: Feb. 9, 2023

Language: Английский

Citations

24
Tailoring Interfacial Structures to Regulate Carrier Transport in Solid‐State Batteries DOI

Zhikang Deng,

Shiming Chen, Kai Yang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(38)

Published: July 31, 2024

Abstract Solid‐state lithium‐ion batteries (SSLIBs) have been considered as the priority candidate for next‐generation energy storage system, due to their advantages in safety and density compare with conventional liquid electrolyte systems. However, introduction of numerous solid‐solid interfaces results a series issues, hindering further development SSLIBs. Therefore, thorough understanding on interfacial issues is essential promote practical applications In this review, interface are discussed from perspective transportation mechanism electrons lithium ions, including internal within cathode/anode composites solid electrolytes (SEs), well apparent electrode/SEs interfaces. The corresponding modification strategies, such passivation layer design, conductive binders, thermal sintering methods, comprehensively summarized. Through establishing correlation between carrier transport network battery electrochemical performance, design principles achieving selective systematically elucidated. Additionally, future challenges speculated research directions tailoring structure By providing insightful review outlook charge transfer, industrialization SSLIBs aimed promoted.

Language: Английский

Citations

12
Engineering strategies for high‐voltage LiCoO2 based high‐energy Li‐ion batteries DOI Creative Commons
Xiaoshuang Ma, Jinkun Wang, Zehua Wang

et al.

Electron, Journal Year: 2024, Volume and Issue: 2(3)

Published: May 12, 2024

Abstract To drive electronic devices for a long range, the energy density of Li‐ion batteries must be further enhanced, and high‐energy cathode materials are required. Among materials, LiCoO 2 (LCO) is one most promising candidates when charged to higher voltages over 4.3 V. However, high‐voltage LCO confronted with severe surface bulk issues inducing poor cyclic stability. completely unleash potential cathodes, more comprehensive theoretical understanding underlying necessary, along active exploration previous modifications. This paper mainly presents degradation mechanisms under high voltage, formation evolution electrolyte interface, engineering strategies employed enhance cell performance. By organizing summarizing these modifications, this work aims establish associations among common research suggest future priorities, thus facilitating rapid development LCO.

Language: Английский

Citations

10
Investigation of structure, mechanical properties, and electrical conductivity of LixCo(1-x)O2: Validation using a nanoquantum model DOI Creative Commons

Obaidallah A. Algethami

Next Materials, Journal Year: 2025, Volume and Issue: 7, P. 100510 - 100510

Published: Feb. 4, 2025

Language: Английский

Citations

1
Inhibition of the P3–O3 phase transition via local symmetry tuning in P3-type layered cathodes for ultra-stable sodium storage DOI
Yanan Zhou, Zichun Xiao, Duzhao Han

et al.

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(6), P. 2618 - 2626

Published: Jan. 1, 2023

We reconfigure the sodiation/desodiation process of P3-type layered cathodes by a local symmetry tuning strategy to enhance their stability. The exhibit long-term cycling stability with higher capacity retention 74% after 2000 cycles at 1C.

Language: Английский

Citations

20
Enhancing the long-term cycling stability of Ni-rich cathodes via regulating the length/width ratio of primary particle DOI Open Access
Duzhao Han, Jilu Zhang, Mingyu Yang

et al.

Energy Materials, Journal Year: 2024, Volume and Issue: 4(1)

Published: Jan. 3, 2024

Ni-rich layered oxide cathode materials are promising candidates for high-specific-energy battery systems owing to their high reversible capacity. However, widespread application is still severely impeded by severe capacity loss upon long-term cycling. It has been proven that the cyclic stability of closely related microstructure and morphology. Despite this, influence primary particles on fatigue mechanism during prolonged cycling not fully understood. Here, two spherical agglomerate oxides consisting particle with different length/width ratios successfully synthesized. found structural both strongly depends crystallites, although there no significant difference between electrochemical crystalline characteristics initial cycle. A higher ratio could effectively inhibit accumulation microcracks chemical degradation cycling, thereby promoting performance (80% retention after 200 cycles at 1 C compared 55% counterpart a lower ratio). This study highlights structure-activity relationship mechanisms advancing development materials.

Language: Английский

Citations

7
Deciphering Chemical/Electrochemical Compatibility of Li3InCl6 in 5.2 V High-Voltage LiCoO2 All-Solid-State Batteries DOI
Zhen Wang, Jiewen Tan,

Zhanhui Jia

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(9), P. 4485 - 4492

Published: Aug. 21, 2024

Large interfacial resistance is a widely recognized impediment to the advancement of high-voltage, all-solid-state batteries. However, comprehensive understanding fundamental cause behind between solid electrolytes and typical layered oxide cathodes has not yet been achieved. Here, we investigated high-voltage stability Li3InCl6 elucidated underlying electrochemical reactions LiCoO2 Li3InCl6. The pairing with exhibited superior capacity retention 73.6% even at 5.2 V, much higher than 28.2% charged 4.6 V in lithium-ion batteries after 70 cycles. enhanced ASSBs attributed stable interface formed reinforced surface bulk structure stability. On other hand, ultrahigh voltage still causes partial decomposition generates compounds such as InClO cobalt indium chlorides/oxides.

Language: Английский

Citations

7
Recent achievements of free‐standing material and interface optimization in high‐energy‐density flexible lithium batteries DOI Creative Commons

Lanlan Zuo,

Di Lu,

Tianyan Yang

et al.

Carbon Neutralization, Journal Year: 2022, Volume and Issue: 1(3), P. 316 - 345

Published: Nov. 7, 2022

Abstract Lithium‐based batteries are the most potential state‐of‐the‐art energy storage device for flexible electronics. The lithium have advantages of high density, robust mechanical durability, and stable power output even under dynamic deformation. Among them, synergies free‐standing electrodes, solid electrolytes, electrode–electrolyte interfaces crucial to achieving goal density safety performance batteries. Therefore, a thorough understanding interface formation mechanism influencing factors is design electrodes electrolytes. In this review, challenges in lithium‐based including formation, electrodes‐electrolyte interface, interparticle characteristics presented. Then, strategies optimization summarized discussed. Following this, with novel architecture introduced, between each component unit battery. Finally, perspectives future development also given.

Language: Английский

Citations

24