Flame Retardant Polyurethane‐Based Semi‐Interpenetrating Network Electrolyte with Continuous Ion Channel for High‐Voltage Lithium‐Metal Batteries DOI Open Access
Zexian Zhang, Tingting Zhao, Huang Sheng

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 12, 2024

Abstract High‐nickel cathode materials is known to have high specific capacity but poor stability and safety due nickel diffusion. While Al‐doped high‐nickel (NCMA) particles exhibit enhanced stability, their durability under high‐charge cut‐off voltages remains uncertain. Herein, a polymer electrolyte with semi‐interpenetrating network (SIPN) structure designed for high‐voltage lithium‐metal battery application. The matrix of the composed CO 2 ‐derived thermoplastic polyurethane (TPU) an in situ polymerized polyacrylonitrile (PAN), where PAN provides strength TPU offers excellent resistance abundant ion‐complexing sites. With assistance additives, PAN‐TPU‐based performs flame retardancy, wide electrochemical window (>5.1 V) can lead stable organic–inorganic hybrid cathode‐electrolyte interface during cycling. Li‖PAN‐TPU/TEP‐E‖Li cell lasts over 3400 h at 0.2 mA cm −2 . construction well‐connected ion pathway by incorporating as binder forming electrolyte. NCMA@TPU‖PAN‐TPU/triethyl phosphate‐based (TEP‐E)‖Li shows outstanding performances, which maintains 186 mAh g −1 4.3 V charging voltage, retaining 82% after 300 cycles 0.5 C. Even 4.5 it retains 78% 200

Language: Английский

Ultrafast Li‐Rich Transport in Composite Solid‐State Electrolytes DOI Open Access

Yu‐Long Liao,

Xilong Wang,

Hong Yuan

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 31, 2025

Solid-state lithium (Li) metal batteries (SSLMBs) have garnered considerable attention due to their potential for high energy density and intrinsic safety. However, widespread development has been hindered by the low ionic conductivity of solid-state electrolytes. In this contribution, a novel Li-rich transport mechanism is proposed achieve ultrafast Li-ion conduction in composite By incorporating cation-deficient dielectric nanofillers into polymer matrices, it found that negatively charged cation defects effectively intensify adsorption Li ions, resulting concentration enrichment on surface fillers. More importantly, these formed layers are interconnected establish continuous networks. The electrolyte exhibited remarkably ion activation (0.17 eV) achieved an unprecedented approaching 1 × 10⁻3 S cm⁻1 at room temperature. Li||LiNi0.8Co0.1Mo0.1O2 full cells demonstrated extended cycling life over 200 cycles with capacity retention 70.7%. This work provides fresh insight improving constructing networks, paving way high-performance SSLMBs.

Language: Английский

Citations

5
Ion‐Conducting Molecular‐Grafted Sustainable Cellulose Quasi‐Solid Composite Electrolyte for High Stability Solid‐State Lithium‐Metal Batteries DOI
Ruixue Wang, Weiliang Dong,

Zhennuo Song

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(37)

Published: May 8, 2024

Abstract Cellulose‐based solid electrolyte possesses the characteristics of low cost, high strength, and sustainability, has great potential in field solid‐state lithium metal batteries. However, large hydrogen bonds between cellulose molecules make molecular chains tightly arranged, hinder ion conduction, seriously limiting its further development. Herein, an ion‐conducting grafting strategy is proposed for fabrication acetate quasi‐solid composite (CLA‐CN‐LATP QCE) with a superior ionic conductivity 1.25 × 10 −3 S cm −1 at room temperature. Benefited from grafted functional molecules, assembled symmetrical battery exhibits polarization voltage highly stable stripping/plating cycling more than 1200 h 0.1 mA −2 current density. Moreover, it endows LFP|CLA‐CN‐LATP QCE|Li excellent long‐cycle stability 1500 cycles 0.5 C 25 °C capacity retention 92.1%. Importantly, this work provides effective opening transport channel improving interface properties electrolytes electrodes.

Language: Английский

Citations

14
Research progress on interfacial problems and solid-state electrolytes in lithium batteries DOI
Zhongliang Xiao,

Lin Jiang,

Liubin Song

et al.

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 96, P. 112696 - 112696

Published: June 22, 2024

Language: Английский

Citations

11
Solid‐State Electrolytes for Lithium Metal Batteries: State‐of‐the‐Art and Perspectives DOI Creative Commons
Jun Huang, Chen Li,

Dongkai Jiang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 35(1)

Published: Oct. 31, 2024

Abstract The use of all‐solid‐state lithium metal batteries (ASSLMBs) has garnered significant attention as a promising solution for advanced energy storage systems. By employing non‐flammable solid electrolytes in ASSLMBs, their safety profile is enhanced, and the anode allows higher density compared to traditional lithium‐ion batteries. To fully realize potential solid‐state (SSEs) must meet several requirements. These include high ionic conductivity Li + transference number, smooth interfacial contact between SSEs electrodes, low manufacturing cost, excellent electrochemical stability, effective suppression dendrite formation. This paper delves into essential requirements enable successful implementation ASSLMBs. Additionally, representative state‐of‐the‐art examples developed past 5 years, showcasing latest advancements SSE materials highlighting unique properties are discussed. Finally, provides an outlook on achieving balanced improved addressing failure mechanisms solutions, critical challenges such reversibility plating/stripping thermal runaway, characterization techniques, composite SSEs, computational studies, ASS lithium–sulfur lithium–oxygen With this consideration, ASSLMBs can be realized.

Language: Английский

Citations

9
The Effects of Fluorinated Metal-Organic Frameworks as Additives in Polymer-Based Electrolytes for All-Solid-State Lithium Batteries DOI
Liang He, Di Zhu, Jiaxing Li

et al.

Chemical Communications, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

UIO-66-F 4 (Zr) was employed as a filler in solid-state electrolytes. Thanks to fluorinated groups, the interaction between MOF and polymer improved, which not only stabilizes SEI layer but also improves ionic conductivity of SCEs.

Language: Английский

Citations

9
A modified PVDF-HFP/PMMA crosslinked co-polymer for high-performance all-solid-state lithium metal batteries DOI
Sijia Wang, Liang He, Mengting Wang

et al.

Particuology, Journal Year: 2024, Volume and Issue: 93, P. 203 - 210

Published: July 9, 2024

Language: Английский

Citations

7
Recent Advancements in the Interfacial Stability of Garnet Solid Electrolytes and Design Strategies for Solid-State Lithium Batteries: A Review DOI

Waquar Ahmed Khokhar,

Muhammad Rafiq,

Abdur Raheem Aleem

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(22), P. 21674 - 21700

Published: Nov. 5, 2024

Solid-state lithium batteries (SSLBs) utilize solid electrolytes (SEs) instead of their liquid counterpart, providing higher energy density and safety, are considered as potential storage technology. Among the various kinds SEs, garnet (Li7La3Zr2O12, LLZO) electrolyte has considerable Li-ion conductivity robust air/chemical stability, rendering it an excellent candidate for commercialization SSLBs. In recent years, numerous efforts have been made to improve ionic SEs. These successfully achieved a high ∼10–3 S cm–1 at room temperature. Nevertheless, emerging issue pertains interfacial stability garnet-based electrolytes. Therefore, our focus lies on challenges associated with SSLBs, including (i) interface between metal anode SE, (ii) SE high-voltage cathodes, (iii) polymeric additives SE. The solution strategies these target-oriented issues briefly discussed. light discourse enhanced performance, principle designing high-performance interfaces is proposed. A future perspective also offered development

Language: Английский

Citations

7
Solvation Regulation of Non‐Flammable Polymer Deep Eutectic Electrolytes with Reinforced Inorganic‐Rich Interphase toward Long‐Cycle Lithium Metal Batteries DOI Open Access
Yang Pu,

Haiyang Xing,

Peifeng Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 19, 2025

Abstract Lithium dendrites and flammable carbonate electrolytes present significant challenges to the progress of lithium metal batteries (LMBs), necessitating urgent development novel solid electrolytes. Herein, a non‐flammable polymer deep eutectic electrolyte (PDEE) is proposed by encapsulating N‐methylacetamide (NMA)‐based within framework formed ethoxylated trimethylolpropane triacrylate (ETPTA) via in situ polymerization. The robust Li + ‐solvent interaction between polar groups NMA nitrate (LiNO 3 ) significantly improves solubility LiNO . Therefore, an inorganic‐rich LiF, x N, LiN O y interphase (SEI) designed introducing fluoroethylene (FEC) into PDEE. comprehensive characterizations simulations reveal that moderate addition can modulate solvated structure result uniform deposition. PDEE‐2 (PDEE with 2 wt% exhibits high ionic conductivity (2.5 mS cm −1 at 25 °C) transference number (0.61). Li||LiFePO4 (LFP) cells maintain cycling stability for 1700 cycles C, Li||Ni 0.8 Co 0.1 Mn (NCM811) achieve 300 0.5 C capacity retention 86.7%, one best results eutectic‐based This study presents innovative method producing stable encourages utilization LMBs.

Language: Английский

Citations

1
A Hierarchically Designed Janus Polymer Electrolyte for High‐Performance Lithium‐Metal Batteries DOI Open Access
Liting Zhang, Seunghwan Jo, Ki-Hoon Shin

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 10, 2025

Abstract Practical implementations of solid polymer electrolytes (SPEs) in solid‐state lithium‐metal batteries (SSLMBs) are inhibited by the limited lithium‐ion (Li + ) transport and poor‐quality interface between SPEs both electrodes. exhibit lower ionic conductivity than other oxidized decomposed oxide‐based cathode materials high‐voltage windows. SSLMBs also long‐term destabilized parasitic side reactions at electrode–electrolyte interfaces Li dendrite formations. This study proposes a selectively designed Janus‐structured electrolyte (JPE), which is more physically chemically compatible with electrodes SPEs. The proposed JPE includes cathode‐facing composite (C‐CPE) containing succinonitrile 7 La 3 Zr 2 O 12 , an anode‐facing (A‐CPE) incorporating fluoroethylene carbonate (FEC). C‐CPE layer provides additional paths increases antioxidant properties, improving tolerance SSLMB, while A‐CPE alleviates metal anode improves stability against protruding dendrites. Full cells Li|JPE|Ni 0.8 Co 0.15 Al 0.05 Li|JPE|LiCoO remain stable over 1600 cycles 1 C, demonstrating potential structures for SSLMBs. Moreover, symmetric Li||Li assembled cycle 2500 h 0.1 mA cm −2 1000 0.5 .

Language: Английский

Citations

1
In‐situ polymerized solid/quasi‐solid polymer electrolyte for lithium‐metal batteries: recent progress and perspectives DOI Open Access
Hangyu Zhang, Xijun Xu,

Weizhen Fan

et al.

Chemistry - A European Journal, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 11, 2024

Abstract In pursuit of high energy density, lithium metal batteries (LMBs) are undoubtedly the best choice. However, leakage and inevitable dendrite growth in liquid electrolytes seriously hinder its practical application. Solid/quasi‐solid state have emerged as an answer to solve above issues. Especially, polymer with excellent interface compatibility, flexibility, ease machining become a research hotspot for LMBs. Nevertheless, contact between electrolyte inorganic electrode materials low ionic conductivity restrict development. On account these, situ polymerized is proposed. Polymer solid produced through polymerization promote robust while simplifying preparation steps. This review summarized latest progress These were divided into three parts according their methods: thermally induced polymerization, chemical initiator ionizing radiation so on. Furthermore, we concluded major challenges future trends It's hoped that this will provide meaningful guidance on designing high‐performance

Language: Английский

Citations

4