Опубликована: Янв. 1, 2024
Язык: Английский
Advanced Functional Materials, Год журнала: 2025, Номер unknown
Опубликована: Янв. 28, 2025
Abstract Selenium, with its superior conductivity, serves as a promising cathode material in lithium–selenium (Li–Se) and sodium–selenium (Na–Se) batteries, exhibiting faster electron transfer processes volumetric capacity. Nonetheless, challenges such volume expansion, the shuttle effect, slow redox reaction kinetics, low conductivity of discharged products still hinder their commercial application. Extensive research has been conducted on design optimization materials to overcome these issues. This review summarizes latest advancements Se within Li/Na–Se systems, based electrochemical mechanisms batteries origins related challenges. The comprehensive principle advanced stable selenium cathodes is put forward, key role carbon structure analyzed, strategies improve affinity selenide kinetics are discussed. Additionally, it introduces representative polymer‐based metal–organic framework (MOF)‐based cathodes. Some potential modification for active also highlighted, including sulfide composite lithium cathodes, which can significantly enhance Se‐based batteries. Finally, existing research, insights directions future development proposed.
Язык: Английский
Процитировано
2
Advanced Functional Materials, Год журнала: 2025, Номер unknown
Опубликована: Фев. 14, 2025
Abstract Lithium‐sulfur (Li–S) batteries are widely recognized as highly promising energy storage devices owing to their exceptional theoretical density. However, the prevalent use of flooded electrolytes in Li–S significantly restricts To enhance density batteries, transitioning from a flooded‐electrolyte lean‐electrolyte system proves be effective. Additionally, replacing organic liquid electrolyte with solid‐state addresses associated safety concerns. Concurrently, practical application encounters numerous challenges, particularly sluggish electrochemical conversion kinetics and systems. Hence, it is imperative develop suitable catalysts tailored for various battery configurations. This review comprehensively reviews applications development strategies diverse systems, specific focus on outlook explores future direction catalysts, aiming guide rational design facilitate realization high‐energy‐density batteries.
Язык: Английский
Процитировано
2
Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 160285 - 160285
Опубликована: Фев. 1, 2025
Язык: Английский
Процитировано
1
Carbon Neutralization, Год журнала: 2025, Номер 4(2)
Опубликована: Фев. 19, 2025
ABSTRACT The development of high‐performance energy storage systems requires several key attributes, including high and power density, cost‐effectiveness, safety, environmental sustainability. Among the various potential technologies, lithium–sulfur batteries stand out as a promising contender for future solutions due to their exceptional theoretical specific density (2600 Wh kg⁻¹) relatively capacity (1675 mAh g⁻¹). However, commercialization faces significant challenges, such low sulfur loading, rapid degradation, poor cycling stability. At heart these issues lies limited understanding complex conversion chemistry involved in batteries. In recent years, progress has been made elucidating reaction mechanisms, thanks use both ex situ characterization techniques. Methods optical spectroscopy, time‐of‐flight secondary ion mass spectrometry, synchrotron X‐ray, neural network analysis have demonstrated great uncovering redox processes lithium polysulfides underlying significantly advancing research battery systems. This review focuses on major advancements research, particularly study electrocatalytic mechanisms using emerging We discuss aspects accurately revealing through advanced diagnostic methods, well main challenges techniques face. Finally, we explore prospects commercialization.
Язык: Английский
Процитировано
1
Journal of Alloys and Compounds, Год журнала: 2025, Номер unknown, С. 180032 - 180032
Опубликована: Март 1, 2025
Язык: Английский
Процитировано
1
Journal of Energy Storage, Год журнала: 2025, Номер 109, С. 115133 - 115133
Опубликована: Янв. 5, 2025
Язык: Английский
Процитировано
0
Applied Physics Letters, Год журнала: 2025, Номер 126(2)
Опубликована: Янв. 13, 2025
Lithium–sulfur (Li–S) batteries are one of the key objects next-generation energy storage systems due to their high density and low-cost characteristics. However, slow reaction kinetics serious shuttle effect lithium polysulfides (LiPSs) have hindered practical application. In this work, metal-organic framework-derived Fe3C decorated nitrogen-doped carbon matrix (Fe3C–NC) composites were prepared modify separator promote Li–S batteries. The porous conductive NC facilitates trapping LiPSs, rapid transfer charge, alleviated volume expansion, while Fe3C–NC with optimum content can significantly reduce barrier electrochemical conversion reaction, accelerate transport ions, enhance which conducive inhibit through synergistic physical chemical interactions. battery exhibits excellent cycle stability an initial discharge specific capacity 1099.19 mAh g−1 at 1 C a low-capacity decay 0.068% per over 500 cycles. Even S loading 5.93 mg cm−2, it still delivers reliable cyclic 903.65 0.1 C. This work provides convenient effective method for application metallic materials combined in high-performance
Язык: Английский
Процитировано
0
Applied Materials Today, Год журнала: 2025, Номер 44, С. 102677 - 102677
Опубликована: Март 15, 2025
Язык: Английский
Процитировано
0
Journal of Materials Chemistry A, Год журнала: 2025, Номер unknown
Опубликована: Янв. 1, 2025
A conductive CoZn-based MOF (CoZn-HTP) with hollow nanocage structures was prepared to suppress polysulfide shuttling and improve sulfur utilization cycling stability.
Язык: Английский
Процитировано
0
Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 162305 - 162305
Опубликована: Апрель 1, 2025
Язык: Английский
Процитировано
0