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

---

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

---

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

---

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

---

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

---

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

---

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

---

All‐Solid‐State Lithium–Sulfur Batteries of High Cycling Stability and Rate Capability Enabled by a Self‐Lithiated Sn‐C Interlayer

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Авг. 4, 2024

Abstract All‐solid‐state lithium–sulfur batteries (ASSLSBs) have attracted intense interest due to their high theoretical energy density and intrinsic safety. However, constructing durable lithium (Li) metal anodes with cycling efficiency in ASSLSBs remains challenging poor interface stability. Here, a compositionally stable, self‐lithiated tin (Sn)‐carbon (C) composite interlayer (LSCI) between Li anode solid‐state electrolyte (SSE), capable of homogenizing Li‐ion transport across the interlayer, mitigating decomposition SSE, enhancing electrochemical/structural stability interface, is developed for ASSLSBs. The LSCI‐mediated enables stable plating/stripping over 7000 h without dendrite penetration. equipped LSCI thus exhibit excellent 300 cycles (capacity retention ≈80%) under low applied pressure (<8 MPa) demonstrate improved rate capability even at 3C. enhanced electrochemical performance corresponding insights designed broaden spectrum advanced interlayers manipulation, advancing practical application

Язык: Английский

---

Challenges and Strategies of Low‐Pressure All‐Solid‐State Batteries

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 26, 2024

All-solid-state batteries (ASSBs) are regarded as promising next-generation energy storage technology owing to their inherent safety and high theoretical density. However, achieving maintaining solid-solid electronic ionic contact in ASSBs generally requires high-pressure fabrication operation, posing substantial challenges for large-scale production application. In recent years, significant efforts made address these pressure-related challenges. this review, the impact of pressure on is explored. First, categories, origins, associated with outlined. Second, an overview advancements addressing issues provided, focusing electrode materials interfaces various solid-state electrolytes (SSEs). Third, advanced characterizations simulations employed unravel intricate electrochemical-mechanical interactions examined. Finally, existing strategies insights low-stack-pressure presented.

Язык: Английский

---

Alleviating range anxiety: Solid-state batteries and extreme fast charging

Progress in Materials Science, Год журнала: 2024, Номер 147, С. 101339 - 101339

Опубликована: Июль 19, 2024

Язык: Английский

---