Published: Jan. 1, 2025
Language: Английский
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(35)
Published: June 25, 2024
Solid-state batteries (SSBs) have garnered significant attention in the critical field of sustainable energy storage due to their potential benefits safety, density, and cycle life. The large-scale, cost-effective production SSBs necessitates development high-performance solid-state electrolytes. However, manufacturing relies heavily on advancement suitable Composite polymer electrolytes (CPEs), which combine advantages ordered microporous materials (OMMs) electrolytes, meet requirements for high ionic conductivity/transference number, stability with respect electrodes, compatibility established processes, cost-effectiveness, making them particularly well-suited mass SSBs. This review delineates how structural ordering dictates fundamental physicochemical properties OMMs, including ion transport, thermal transfer, mechanical stability. applications prominent OMMs are critically examined, such as metal-organic frameworks, covalent organic zeolites, CPEs, highlighting facilitates fulfillment property requirements. Finally, an outlook is provided, exploring CPEs can be enhanced through dimensional design importance uncovering underlying "feature-function" mechanisms various CPE types underscored.
Language: Английский
Citations
20
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(44)
Published: Aug. 6, 2024
Abstract Combining high‐voltage nickel‐rich cathodes with lithium metal anodes is among the most promising approaches for achieving high‐energy‐density batteries. However, current electrolytes fail to simultaneously satisfy compatibility requirements anode and tolerance ultra‐high voltage NCM811 cathode. Here, we have designed an ultra‐oxidation‐resistant electrolyte by meticulously adjusting composition of fluorinated carbonates. Our study reveals that a solid‐electrolyte interphase (SEI) rich in LiF Li 2 O constructed on through synergistic decomposition solvents PF 6 − anion, facilitating smooth deposition. The superior oxidation resistance our enables Li||NCM811 cell deliver capacity retention 80 % after 300 cycles at ultrahigh cut–off 4.8 V. Additionally, pioneering V‐class pouch energy density 462.2 Wh kg −1 stably 110 under harsh conditions high cathode loading (30 mg cm −2 ), low N/P ratio (1.18), lean (2.3 g Ah ).
Language: Английский
Citations
18
Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)
Published: March 17, 2025
Abstract Composite solid electrolytes (CSEs) are promising for solid-state Li metal batteries but suffer from inferior room-temperature ionic conductivity due to sluggish ion transport and high cost expensive active ceramic fillers. Here, a host–guest inversion engineering strategy is proposed develop superionic CSEs using cost-effective SiO 2 nanoparticles as passive hosts poly(vinylidene fluoride-hexafluoropropylene) (PVH) microspheres polymer guests, forming an unprecedented “polymer guest-in-ceramic host” (i.e., PVH-in-SiO ) architecture differing the traditional “ceramic guest-in-polymer host”. The exhibits excellent Li-salt dissociation, achieving high-concentration free + . Owing low diffusion energy barriers coefficient, thermodynamically kinetically favorable migrate at /PVH interfaces. Consequently, delivers exceptional of 1.32 × 10 −3 S cm −1 25 °C (vs typically −5 –10 −4 high-cost ceramics), achieved under ultralow residual solvent content 2.9 wt% 8–15 in other CSEs). Additionally, electrochemically stable with anode various cathodes. Therefore, demonstrates high-rate cyclability LiFePO 4 |Li full cells (92.9% capacity-retention 3C after 300 cycles °C) outstanding stability high-mass-loading (9.2 mg high-voltage NCM622 (147.1 mAh g ). Furthermore, we verify versatility by fabricating Na-ion K-ion-based similarly promotions conductivity. Our offers simple, low-cost approach large-scale application beyond.
Language: Английский
Citations
3
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Aug. 3, 2024
Abstract Polysulfides shuttle and lithium dendrites growth greatly restricts the practical application of lithium–sulfur batteries (LSBs). A rational designed separator combined polysulfide catalyst regulator can achieve effect killing two birds with one stone. Herein, organic–inorganic hybrid materials are to construct a complementary interface for LSBs. Specially, kinds covalent organic frameworks (COF) different pore size in situ grown on MXene surface by forming Ti–N bond. The high electronic conductivity abundant functional groups allow it work as effectively accelerate polysulfides conversion, while COF be used an ion calibrator guide homogeneous deposition. As expected, MXene@COF (MCOF) integrated realizes advantages that enable Li||Li symmetric cell surprisingly stable plating/stripping process up 4750 h at 10 mA cm −2 . Furthermore, assembled LSBs exhibit capacities 584/563 mAh g −1 3 C low‐capacity decay rates 0.042%/0.048% per cycle after 1000 cycles 1 C. This proposes strategy based composites layer, which is great significance construction high‐performance
Language: Английский
Citations
17
Energy storage materials, Journal Year: 2024, Volume and Issue: 71, P. 103570 - 103570
Published: June 15, 2024
Language: Английский
Citations
15
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: June 10, 2024
Abstract Lithium metal batteries (LMBs) are considered as one type of the most promising next‐generation energy storage devices with high‐energy‐density, and stabilizing lithium anodes (LMAs) to overcome LMBs’ safety concerns performance degradation has attracted extensive attention. Introducing advanced polymer materials into critical components LMBs proven be an effective approach for LMAs toward practical application LMBs. In addressing lack a timely review on emerging progress in LMAs, comprehensive article summarizing recent developments multiscale cellulose materials, including micron (MC) nanocellulose (NC), is reviewed. First, basic structures cellulose, characteristics comparison, development history introducing presented. Furthermore, roles functional mechanisms various summarized. A general conclusion perspective current limitations future research directions cellulose‐based stable proposed. The aim this not only summarize but also lighten pathways realizing application.
Language: Английский
Citations
11
Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 17, 2025
Abstract Designing ionic polymer electrolytes (IPEs) for high‐voltage and fast‐charging lithium batteries involves searching in a highly complex discrete chemical space. Traditional material discovery processes struggle with this complexity due to high costs long evaluation time. A kernel‐based Bayesian optimization is described complete the multi‐objective by considering conductivity, electrochemical stability, discharge capacity simultaneously. According recommender based on union set of acquisition functions, promising IPEs through three iterations only 2.8% space targeted. The achieved metal exhibit performance ultrahigh cutoff voltage NCM811 (LiNi 0.8 Co 0.1 Mn O 2 , 4.8 V) LNMO 0.5 1.5 4 4.92 V). To further extend versatility diminish cost associated glove‐box environment, an aqueous lithium‐ion battery developed introducing water molecules coupled Li Ti 5 12 ||LiMn strong hydrogen bonding network formed between rigid‐rod polyelectrolyte embedded molecules, which effectively suppresses reactivity, meanwhile boosting conductivity. This work reveals innovative that handles multi‐targets discontinuous parameter space, offering critical insights address challenges property advanced versatile batteries.
Language: Английский
Citations
2
ACS Energy Letters, Journal Year: 2025, Volume and Issue: unknown, P. 2007 - 2016
Published: March 28, 2025
Language: Английский
Citations
2
Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 688, P. 225 - 232
Published: Feb. 20, 2025
Language: Английский
Citations
1
Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 30, 2025
Abstract Quasi‐solid‐state polymer electrolytes (QSPEs) have been considered as one of the most promising for high‐safety high‐energy‐density lithium metal batteries (LMBs). However, their inadequate mechanical properties and instability under high voltages pose significant challenges practical applications. Herein, robust antioxidative QSPEs are developed based on a polymer‐brush‐based rigid supporting film (BC‐ g ‐PLiMTFSI‐ b ‐PPFEMA, BC: bacterial cellulose, PLiMTFSI: poly(lithium (3‐methacryloyloxypropylsulfonyl) (trifluoromethylsulfonyl)imide), PPFEMA: poly(2‐(perfluorohexyl)ethyl methacrylate)). The BC nanofibril backbone can produce highly porous structure with outstanding strength. More importantly, PLiMTFSI‐ ‐PPFEMA side‐chains not only obviously increase conversion ratio easily oxidized monomers in QSPEs, but also possess strong interaction unstable electrolyte components. With such solid‐state electrolytes, Li/LiNi 0.8 Mn 0.1 Co O 2 full cell cathode loading (20.3 mg cm −2 ) exhibits specific discharge capacity 200.7 mAh −1 at 0.5 C demonstrates long lifespan 137 cycles retained 170.7 cut‐off voltage 4.5 V. 4.6 V, 147.0 after 187 be Li/LiCoO cells. This work provides feasible development strategy long‐cycling high‐voltage LMBs.
Language: Английский
Citations
1