Design and Functionalization of Lignocellulose‐Derived Silicon‐Carbon Composites for Rechargeable Batteries

Advanced Energy Materials, Год журнала: 2024, Номер unknown

Опубликована: Сен. 30, 2024

Abstract Silicon/carbon (Si/C) composites present great potential as anode materials for rechargeable batteries since the integrate high specific capacity and preferable cycling stability from Si C components, respectively. Functional Si/C based on lignocellulose have attracted wide attention due to advantages lignocellulose, including sustainability property, flexible structural tunability, diverse physicochemical functionality. Although flourishing development of boosts studies lignocellulose‐derived with electrochemical performance, publications that comprehensively clarify design functionalization these high‐profile are still scarce. Accordingly, this review first systematically summarizes recent advances in after a brief clarification about selection sources self extraneous sources. Afterward, strategies, nanosizing, porosification, magnesiothermic reduction material well heteroatom modification material, specifically highlighted. Besides, applications Si/C‐based elaborated. Finally, discusses challenges prospects application energy storage provides nuanced viewpoint regarding topic.

Язык: Английский

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Toward Practical Li–S Batteries: On the Road to a New Electrolyte

Advanced Energy Materials, Год журнала: 2024, Номер unknown

Опубликована: Сен. 17, 2024

Abstract The lithium–sulfur (Li–S) battery system has attracted considerable attention due to its ultrahigh theoretical energy density and promising applications. However, with the increasing demands on S loading electrolyte content, practical Li–S batteries still face several serious challenges, such as slow reaction kinetics at cathode interface, unstable anode interface reactions, undesirable crosstalk effects between anode. Traditional systems often struggle address these challenges under conditions, thereby rendering it imperative establish a new for batteries. This review first discusses necessity of establishing propose specific parameter requirements, electrolyte‐to‐sulfur mass ratio (E m /S). Subsequently, some modification strategies proposed by researchers are summarized different associated Finally, combination is reviewed, aiming reveal more effective design approaches that simultaneously multiple while providing guidance balanced article promotes development electrolytes can act reference other secondary

Язык: Английский

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Activating Redox Kinetics of Li₂S via Cu⁺, I⁻ Co‐Doping Toward High‐Performance All‐Solid‐State Lithium Sulfide‐Based Batteries

Small, Год журнала: 2024, Номер 20(47)

Опубликована: Авг. 26, 2024

All-solid-state lithium sulfide-based batteries (ASSLSBs) have drawn much attention due to their intrinsic safety and excellent performance in overcoming the polysulfide shuttle effect. However, sluggish kinetics of Li

Язык: Английский

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Correlation between mechanical properties and ionic conductivity of polycrystalline sodium superionic conductors: A relative density-dominant relationship

Materials Today Energy, Год журнала: 2024, Номер 44, С. 101644 - 101644

Опубликована: Июль 4, 2024

Sodium superionic conductors (NASICON) are pivotal for the functionality and safety of solid-state sodium batteries. Their mechanical properties ionic conductivity key performance metrics, yet their correlation remains inadequately understood. Addressing this gap is vital concurrent enhancements in both properties. This study summarizes recent literature on sintered polycrystalline NASICON solid electrolyte Na1+xZr2SixP3-xO12 (NZSP, 0≤x ≤ 3), focusing its conductivity, identifies a positive between these at ambient temperatures. Microstructural analysis reveals that range factors, including relative density, grain size, secondary phases, crystal structures significantly influence NZSP. Notably, an increase density uniquely contributes to simultaneous hardness conductivity. Consequently, future research should prioritize enhancing NZSP, potentially by employing advanced sintering techniques such as spark plasma (SPS) microwave-assisted sintering. The observed NZSP also evident other oxide electrolytes, garnet Li7La3Zr2O12 (LLZO). investigation not only suggests potential linkage crucial but guides subsequent strategies refining electrolytes battery technologies.

Язык: Английский

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Developing Cathode Films for Practical All‐Solid‐State Lithium‐Sulfur Batteries

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Июль 29, 2024

Abstract The development of all‐solid‐state lithium‐sulfur batteries (ASSLSBs) toward large‐scale electrochemical energy storage is driven by the higher specific energies and lower cost in comparison with state‐of‐the‐art Li‐ion batteries. Yet, insufficient mechanistic understanding quantitative parameters key components sulfur‐based cathode hinders advancement ASSLSB technologies. This review offers a comprehensive analysis electrode parameters, including capacity, voltage, S mass loading content establishing (Wh kg −1 ) density L ASSLSBs. Additionally, this work critically evaluates progress enhancing lithium ion electron percolation mitigating electrochemical‐mechanical degradation cathodes. Last, critical outlook on potential future research directions provided to guide rational design high‐performance cathodes practical

Язык: Английский

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The Origin of Li₂S₂ Reduction Mechanism Modulated by Single‐Atom Catalyst for all Solid‐State Li‐S Batteries

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 10, 2025

Abstract All solid‐state lithium‐sulfur batteries (ASSLSBs) demonstrate tremendous potential in the next‐generation energy storage system. Nevertheless, incomplete conversion of Li 2 S to within sulfur electrode imposes a substantial impediment on capacity release. Herein, nickel single‐atom catalyst (NiNC) materials are employed ameliorate sluggish reaction kinetics polysulfides. Moreover, unknown origin catalytic activity NiNC ASSLSBs is revealed by using ligand‐field theory. The results show that orbital Ni exhibits significant vertical hybridization phenomenon from inert dsp state active d sp 3 state, which exerts effect reduction S. As result, assembled attain release 1506.9 mAh g −1 at 0.05 C and more than 70% retention ratio after 600 cycles high rate C. in‐depth study ‐orbitals catalysts this work offers deep insights into relationship between substrate substance novel perspective for realization ASSLSB with density.

Язык: Английский

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Catalysis‐Driven Sulfur Conversion: From Electrolyte‐Flooded to Solid‐State Batteries

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

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Toward Practical Lithium–Sulfur Batteries

Materials Chemistry Frontiers, Год журнала: 2024, Номер 8(14), С. 2556 - 2577

Опубликована: Янв. 1, 2024

A cathode with an areal capacity of more than 5 mA h cm −2 is crucial for practical Li–S batteries. Besides, reducing the electrolyte weight ratio, in both liquid and solid-state batteries, also important.

Язык: Английский

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Solid Catholyte with Regulated Interphase Redox for All‐Solid‐State Lithium‐Sulfur Batteries

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 5, 2025

Abstract All‐solid‐state lithium‐sulfur battery (ASSLSB) is considered one of the ultimate next‐generation energy storage technologies due to expected low cost, high safety, and specific energy. The high‐conductivity low‐modulus sulfide electrolytes hold promise as in cathode (i.e., solid catholytes) for ASSLSBs, but their parasitic decomposition reactions over cycling lead degradation active material−catholyte interphases hence limited life. Herein a strategy described stabilize ASSLSBs by regulating interphase redox reversibility catholyte, which validated on new electrolyte formulated Li 6+x P 1−x W x S 5 I (LPWSI). experiments show that presence mixed ionic‐electronic conducting WS 2 boosts 4 7 −to−Li 3 PS reaction interphase, prevents irreversible accumulation impeding 4− thereby improves catholyte's stability. With LPWSI ambient‐temperature ASSLSB exhibits stable sustaining 92.2% capacity 400 cycles at C/5 with an initial areal 1.95 mA h cm −2 . Furthermore, cells demonstrate excellent high‐rate stability 1000 rates 1C 2C. reported contributes reshaping understanding how catholyte can function composite cathodes provides guidelines designing high‐capacity conversion‐based electrodes involve complex evolution interphases.

Язык: Английский

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Toward 500 Wh Kg⁻¹ in Specific Energy with Ultrahigh Areal Capacity All‐Solid‐State Lithium–Sulfur Batteries

Small, Год журнала: 2025, Номер unknown

Опубликована: Март 4, 2025

Abstract All‐solid‐state lithium–sulfur (Li–S) batteries are considered a top choice to achieve 500 Wh kg −1 in specific energy while meeting safety requirements for applications such as future electric aviation. A key bottleneck is that S the active material lacks sufficient conductivities, making it difficult effective utilization especially solid–state. In addition, high cell‐level energy, not only high‐utilization cathode required, but also excess weight needs be balanced and minimized from solid‐state electrolyte (SSE) separator Li metal anode. this report, composite cathodes designed with an argyrodite sulfide SSE holey graphene electrically conducting scaffold. These exhibit even at ultrahigh mass loadings up 15 mg cm −2 , resulting unprecedented areal capacities over 20 mAh . combination simultaneous reduction of thickness well use low‐excess anode, unit cell value 505 achieved. Significant design space remains further optimize individual components, providing feasible outlook advancing alongside other critical metrics, including power cyclability, toward practical cells battery packs.

Язык: Английский

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