Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(7), P. 4231 - 4239
Published: Jan. 1, 2024
A novel MSCE is designed by introducing a PEO layer against the cathode and “self-sacrifice” PPC anode.
Language: Английский
Advanced Materials, Journal Year: 2023, Volume and Issue: 36(3)
Published: Oct. 18, 2023
Abstract All‐solid‐state lithium (Li) metal batteries (ASSLMBs) employing sulfide solid electrolytes have attracted increasing attention owing to superior safety and high energy density. However, the instability of against Li induces formation two types incompetent interphases, electrolyte interphase (SEI) mixed conducting (MCI), which significantly blocks rapid Li‐ion transport uneven deposition continuous interface degradation. In this contribution, a dynamically stable (S‐MCI) is proposed by in situ stress self‐limiting reaction achieve compatibility with composite (Li 6 PS 5 Cl (LPSCl) 10 GeP 2 S 12 (LGPS)). The rational design utilizes expansion induced decomposition turn constrain further LGPS. Consequently, S‐MCI inherits dynamical stability LPSCl‐derived SEI lithiophilic affinity Li–Ge alloy LGPS‐derived MCI. Li||Li symmetric cells protection can operate stably for 1500 h at 0.5 mA cm −2 mAh . Li||NCM622 full present cycling 100 cycles 0.1 C high‐capacity retention 93.7%. This work sheds fresh insight into constructing electrochemically high‐performance ASSLMBs.
Language: Английский
Citations
68
Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(35)
Published: July 30, 2023
Abstract All‐solid‐state lithium batteries (ASSLBs) have become a recent research hotspot because of their excellent safety performance. In order to better reflect superiority, high‐voltage cathodes should be applied enhance the energy density solid compete with commercial liquid batteries. However, introduction suffers from many problems, such as low electrochemical stability, inferior interface chemical stability between cathode and electrolyte, poor mechanical contact, gas evolution. These drawbacks significantly influence battery performance, even causing failure hindering commercialization solid‐state This paper first reviews above mechanisms cathode‐based ASSLBs different perspectives. Then, advances in electrolytes for are summarized, mainly including polymer electrolytes, sulfide oxide electrolytes. addition, materials is also highly critical, strategies improve performance put forward, which can divided into coating protection, synthesis modification, structure improvement. Finally, guidelines future development discussed.
Language: Английский
Citations
52
Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(50)
Published: Sept. 7, 2023
Abstract The practical application of solid‐state lithium‐metal batteries (SSLMBs) based on polymer solid electrolytes has been hampered by their low ion conductivity and lithium‐dendrite‐induced short circuits. This study innovatively introduces 1D ferroelectric ceramic‐based Bi 4 Ti 3 O 12 ‐BiOBr heterojunction nanofibers (BIT‐BOB HNFs) into poly(ethylene oxide) (PEO) matrix, constructing lithium‐ion conduction highways with “dissociators” “accelerating regions.” BIT‐BOB HNFs, as ceramic fillers, not only can construct long‐range organic/inorganic interfaces transport pathways, but also install regions” for these pathways through the electric dipole layer built‐in field promoting dissociation lithium salts transfer ions. working mechanisms HNFs in matrix are verified experimental tests density functional theory calculations. obtained composite exhibit excellent migration number (6.67 × 10 −4 S cm −1 0.54 at 50 °C, respectively). assembled symmetric battery achieves good cycling stability over 4500 h. LiFePO ||Li full delivers a high Coulombic efficiency (>99.9%) discharge capacity retention rate (>87%) after 2200 cycles. In addition, prepared electrolyte demonstrates potential flexible pouch batteries.
Language: Английский
Citations
46
Batteries, Journal Year: 2024, Volume and Issue: 10(1), P. 29 - 29
Published: Jan. 17, 2024
The primary goal of this review is to provide a comprehensive overview the state-of-the-art in solid-state batteries (SSBs), with focus on recent advancements solid electrolytes and anodes. paper begins background evolution from liquid electrolyte lithium-ion advanced SSBs, highlighting their enhanced safety energy density. It addresses increasing demand for efficient, safe storage applications like electric vehicles portable electronics. A major part analyzes electrolytes, key SSB technology. classifies as polymer-based, oxide-based, sulfide-based, discussing distinct properties application suitability. also covers anode materials exploring lithium metal, silicon, intermetallic compounds, focusing capacity, durability, compatibility electrolytes. challenges integrating these materials, interface stability dendrite growth. This includes discussion latest analytical techniques, experimental studies, computational models understand improve anode–solid interface. These are crucial tackling interfacial resistance ensuring SSBs’ long-term efficiency. Concluding, suggests future research development directions, potential revolutionizing technologies. serves vital resource academics, researchers, industry professionals battery technology development. offers detailed technologies shaping future, providing insights into current solutions rapidly evolving field.
Language: Английский
Citations
45
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(28)
Published: May 7, 2024
Alkali metals (e.g. Li, Na, and K) multivalent Zn, Mg, Ca, Al) have become star anodes for developing high-energy-density rechargeable batteries due to their high theoretical capacity excellent conductivity. However, the inevitable dendrites unstable interfaces of metal pose challenges safety stability batteries. To address these issues, covalent organic frameworks (COFs), as emerging materials, been widely investigated regular porous structure, flexible molecular design, specific surface area. In this minireview, we summarize research progress COFs in stabilizing anodes. First, present origins delve into advantages based on physical/chemical properties alkali metals. Then, special attention has paid application host design anodes, artificial solid electrolyte interfaces, additives, solid-state electrolytes, separator modifications. Finally, a new perspective is provided from pore modulation, synthesis COFs.
Language: Английский
Citations
42
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)
Published: June 5, 2024
All-solid-state lithium batteries with polymer electrolytes suffer from electrolyte decomposition and dendrites because of the unstable electrode/electrolyte interfaces. Herein, a molecule crowding strategy is proposed to modulate Li
Language: Английский
Citations
29
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)
Published: Jan. 12, 2024
Improving the long-term cycling stability and energy density of all-solid-state lithium (Li)-metal batteries (ASSLMBs) at room temperature is a severe challenge because notorious solid-solid interfacial contact loss sluggish ion transport. Solid electrolytes are generally studied as two-dimensional (2D) structures with planar interfaces, showing limited further resulting in unstable Li/electrolyte cathode/electrolyte interfaces. Herein, three-dimensional (3D) architecturally designed composite solid developed independently controlled structural factors using 3D printing processing post-curing treatment. Multiple-type electrolyte films vertical-aligned micro-pillar (p-3DSE) spiral (s-3DSE) rationally developed, which can be employed for both Li metal anode cathode terms accelerating
Language: Английский
Citations
23
Nano Energy, Journal Year: 2024, Volume and Issue: 123, P. 109361 - 109361
Published: Feb. 6, 2024
Language: Английский
Citations
20
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(24)
Published: April 13, 2024
The development of highly producible and interfacial compatible in situ polymerized electrolytes for solid-state lithium metal batteries (SSLMBs) have been plagued by insufficient transport kinetics uncontrollable dendrite propagation. Herein, we seek to explore a rationally designed nanofiber architecture balance all the criteria SSLMBs, which La
Language: Английский
Citations
20
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 2, 2025
Abstract Composite solid‐state electrolytes (CSSEs) that combine the benefits of inorganic and polymer hold great potential for lithium metal batteries (SSLMBs) due to their high ionic conductivity superior mechanical properties. However, overall performance is severely hindered by several practical challenges, including component aggregation, poor interface behavior, limited Li + transport. Here, a unique ultrathin coating triaminopropyl triethoxysilane with bifunctional structure introduced effectively bridges fillers (Li 1+x Al x Ti 2‐x (PO 4 ) 3 , LATP) polyvinylidene fluoride hexafluoropropylene /polyethylene oxide matrix, thereby enabling high‐performance CSSEs (referred as SLPH). This design prevents LATP particle agglomeration, improves interfacial compatibility, ensures enrichment fast transport within SLPH. Consequently, SLPH exhibits low conduction energy barrier ( E = 0.462 eV), desirable (4.19 × 10 −4 S cm −1 at 60 °C), transference number 0.694). As result, SSLMBs SLPH, Li| |Li symmetric cells, LiFePO | coin‐type, pouch demonstrate rate capability long‐time cycling stability. work underscores significance surface functionalization create stable solid‐solid enhance conduction, paving way in SSLMBs.
Language: Английский
Citations
6