Energy storage materials, Journal Year: 2024, Volume and Issue: unknown, P. 103999 - 103999
Published: Dec. 1, 2024
Language: Английский
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)
Published: Dec. 11, 2024
Proton-conducting materials have attracted considerable interest because of their extensive application in energy storage and conversion devices. Among them, metal-organic frameworks (MOFs) present tremendous development potential possibilities for constructing novel advanced proton conductors due to special advantages crystallinity, designability, porosity. In particular, several design strategies the structure MOFs opened new doors advancement MOF conductors, such as charged network construction, ligand functionalization, metal-center manipulation, defective engineering, guest molecule incorporation, pore-space manipulation. With implementation these strategies, proton-conducting developed significantly profoundly within last decade. Therefore, this review, we critically discuss analyze fundamental principles, methods targeted at improving conductivity through representative examples. Besides, structural features, conduction mechanism behavior are discussed thoroughly meticulously. Future endeavors also proposed address challenges practical research. We sincerely expect that review will bring guidance inspiration further motivate research enthusiasm materials.
Language: Английский
Citations
27
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(25)
Published: April 13, 2024
Abstract The pursuit of high‐performance energy storage devices has fueled significant advancements in the all‐solid‐state lithium batteries (ASSLBs). One strategies to enhance performance ASSLBs, especially concerning high‐voltage cathodes, is optimizing structure composite polymer electrolytes (CPEs). This study fabricates a high‐oriented framework Li 6.4 La 3 Zr 2 Al 0.2 O 12 (o‐LLZO) ceramic nanofibers, meticulously addressing challenges both metal anode and LiNi 0.8 Co 0.1 Mn (NCM811) cathode. as‐constructed electrolyte features highly efficient + transport robust mechanical network, enhancing electron ion transport, ensuring uniform current density distribution, stress effectively suppressing dendrite growth. Remarkably, symmetric cells exhibit outstanding long‐term lifespan 9800 h at mA cm −2 operate over 800 even 1.0 under 30 °C. CPEs design results from formation gradient LiF‐riched SEI CEI film Li/electrolyte/NCM811 dual interfaces, conduction maintaining electrode integrity. coin‐cells pouch demonstrate prolonged cycling stability superior capacity retention. sets notable precedent advancing high‐energy ASSLBs.
Language: Английский
Citations
26
Dalton Transactions, Journal Year: 2024, Volume and Issue: 53(30), P. 12410 - 12433
Published: Jan. 1, 2024
Due to their distinctive security characteristics, all-solid-state batteries are seen as a potential technology for the upcoming era of energy storage. The flexibility nanomaterials shows enormous advancement batteries' exceptional power and storage capacities. These might be applied in many areas such large-scale grids, well creation foldable flexible electronics, portable gadgets. most difficult aspect creating comprehensive nanoscale battery assembly is task decreasing particle size solid electrolyte while maintaining its excellent ionic conductivity. Materials possessing structural features substantial electrochemically active surface area have significantly enhance characteristics cycle life. This bring about changes existing models. primary objective this research summarize latest advancements utilizing harvesting various assemblies. study examines complex solid-solid interfaces batteries, feasible methods implementing interfaces. Currently, there significant attention on necessity develop electrode-solid that exhibit articulation other related behavior lithium ions.
Language: Английский
Citations
20
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)
Published: April 29, 2024
Abstract Rechargeable magnesium-metal batteries (RMMBs) are promising next-generation secondary batteries; however, their development is inhibited by the low capacity and short cycle lifespan of cathodes. Although various strategies have been devised to enhance Mg 2+ migration kinetics structural stability cathodes, they fail improve electronic conductivity, rendering cathodes incompatible with anodes. Herein, we propose a dual-defect engineering strategy, namely, incorporation pre-intercalation defect (P-Mg d ) oxygen (O ), simultaneously kinetics, stability, conductivity RMMBs. Using lamellar V 2 O 5 ·nH as demo cathode material, prepare comprising 0.07 ·1.4H nanobelts composited reduced graphene oxide (MVOH/rGO) P-Mg . The enlarges interlayer spacing, accelerates prevents collapse, while stabilizes structure increases conductivity. Consequently, MVOH/rGO exhibits high 197 mAh g −1 , developed foil//MVOH/rGO full cell demonstrates an incredible 850 cycles at 0.1 A capable powering light-emitting diode. proposed strategy provides new insights into developing high-durability, high-capacity advancing practical application RMMBs, other batteries.
Language: Английский
Citations
10
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)
Published: July 29, 2024
The lithium (Li) metal anode is widely regarded as an ideal material for high-energy-density batteries. However, uncontrolled Li dendrite growth often leads to unfavorable interfaces and low Coulombic efficiency (CE), limiting its broader application. Herein, ether-based electrolyte (termed FGN-182) formulated, exhibiting ultra-stable anodes through the incorporation of LiFSI LiNO
Language: Английский
Citations
10
Energy storage materials, Journal Year: 2024, Volume and Issue: 72, P. 103752 - 103752
Published: Aug. 30, 2024
Language: Английский
Citations
10
Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)
Published: Sept. 27, 2024
Abstract The risk of flammability is an unavoidable issue for gel polymer electrolytes (GPEs). Usually, flame-retardant solvents are necessary to be used, but most them would react with anode/cathode easily and cause serious interfacial instability, which a big challenge design application nonflammable GPEs. Here, GPE (SGPE) developed by in situ polymerizing trifluoroethyl methacrylate (TFMA) monomers triethyl phosphate (TEP) LiTFSI–LiDFOB dual lithium salts. TEP strongly anchored PTFMA matrix via polarity interaction between -P = O -CH 2 CF 3 . It reduces free molecules, obviously mitigates reactions, enhances performance surprisingly. Anchored molecules also inhibited solvation Li + , leading anion-dominated sheath, creates inorganic-rich solid electrolyte interface/cathode interface layers. Such coordination structure changes transport from sluggish vehicular fast structural transport, raising ionic conductivity 1.03 mS cm −1 transfer number 0.41 at 30 °C. Li|SGPE|Li cell presents highly reversible stripping/plating over 1000 h 0.1 mA −2 4.2 V LiCoO |SGPE|Li battery delivers high average specific capacity > 120 mAh g 200 cycles. This study paves new way make that compatible metal anode.
Language: Английский
Citations
9
Nano Letters, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 12, 2025
The composite electrolyte of polyvinylidene fluoride (PVDF) and Li6.5La3Zr1.5Ta0.5O12 (LLZO) is considered one the most promising electrolytes for next-generation lithium batteries. However, presence Li2CO3 on LLZO surface reduces conductivity leads to PVDF chain cross-linking. In this study, H3PO4 used remove alkaline layer, effect residual Li3PO4 bulk metal interface conduction investigated. phosphorylation enhances ion transport channels, increasing ionic 5.06 × 10-4 S cm-1. Notably, catalyzes decomposition LiFSI, facilitating formation abundant inorganic compounds with rapid lithium-ion diffusion capability such as Li3N, LiF Li2S2O7, which increases interfacial exchange current density symmetric batteries by approximately 3.5 times. Additionally, a Li||LFP battery achieved 89% capacity retention after 400 cycles at 1C. These results demonstrate strategy developing commercial solid-state all-solid-state
Language: Английский
Citations
1
Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)
Published: April 18, 2025
Abstract Anode-free all-solid-state batteries (AFASSBs) are potential candidates for next-generation electric mobility devices that offer superior energy density and stability by eliminating Li from the anode. However, despite its to stabilize interface between sulfide solid electrolytes (SEs) anode-free current collectors (CCs) efficiently, a controllable approach incorporating MoS 2 into AFASSBs has not yet been found. Herein, we propose strategy stabilizing of Li-free using sacrificial thin films. was controllably grown on CCs metal–organic chemical vapor deposition, layer in contact with SEs formed an interlayer composed Mo metal S through conversion reaction. In , significantly reduces nucleation overpotential Li, which results uniform plating. addition, -based facilitates formation robust SE interface, thereby enhancing AFASSBs. Based these advantages, cells fabricated exhibited better performance as both asymmetrical full LiNi 0.6 Co 0.2 Mn O cathodes than did without . Moreover, cell affected size, having optimal thickness demonstrated 1.18-fold increase initial discharge capacity sevenfold improvement retention relative SUS CCs. This study offers promising path exploiting stabilization efficient AFASSB applications.
Language: Английский
Citations
1
Nano Letters, Journal Year: 2024, Volume and Issue: 24(42), P. 13162 - 13171
Published: Oct. 9, 2024
All-solid-state lithium metal batteries have emerged as a promising solution to overcoming the energy density and safety challenges associated with conventional lithium-ion batteries. Solid polymer electrolytes, particularly those based on poly(vinylidene fluoride) (PVDF) dimethylformamide (DMF), demonstrate significant potential. However, interfacial side reactions between residual DMF solvents present substantial challenges. In this study, we investigate in situ formation of solid electrolyte interphase protective layers mitigate these reactions. By incorporating F-rich additives, such fluoroethylene carbonate difluorophosphate, successfully establish dual-layer inorganic SEI structure characterized by an outer LiF layer inner Li
Language: Английский
Citations
5