Zwitterionic Cellulose‐Based Polymer Electrolyte Enabled by Aqueous Solution Casting for High‐Performance Solid‐State Batteries

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(30)

Published: May 7, 2024

Polyethylene oxide (PEO)-based solid-state batteries hold great promise as the next-generation with high energy density and safety. However, PEO-based electrolytes encounter certain limitations, including inferior ionic conductivity, low Li

Language: Английский

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Computational approach inspired advancements of solid-state electrolytes for lithium secondary batteries: from first-principles to machine learning

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(6), P. 3134 - 3166

Published: Jan. 1, 2024

The utilization of computational approaches at various scales, including first-principles calculations, MD simulations, multi-physics modeling, and machine learning techniques, has been instrumental in expediting the advancement SSEs.

Language: Английский

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Electrochemical coupling in subnanometer pores/channels for rechargeable batteries

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(8), P. 3829 - 3895

Published: Jan. 1, 2024

This review categorizes subnanometer pores/channels (SNPCs) from structural perspective and demonstrates electrochemical couplings in SNPCs for batteries while proposing corresponding challenges future research directions.

Language: Английский

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Regulating Interfacial Chemistry to Boost Ionic Transport and Interface Stability of Composite Solid‐State Electrolytes for High‐Performance Solid‐State Lithium Metal Batteries

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

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Composite Quasi‐Solid‐State Electrolytes with Organic–Inorganic Interface Engineering for Fast Ion Transport in Dendrite‐Free Sodium Metal Batteries

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(13)

Published: Dec. 19, 2023

Abstract Quasi‐solid‐state electrolytes (QSSE) are a promising candidate for addressing the limitations of liquid and solid electrolytes. However, different ion transport capacities between solvents polymers can cause localized heterogeneous distribution Na + fluxes. In addition, continuous side reactions occurring at interface QSSE sodium anode lead to uncontrollable dendrites growth. Herein, novel strategy is designed integrate composite electrospun membrane 3 Zr 2 Si PO 12 poly(vinylidene fluoride‐ co ‐hexafluoropropylene) (PVDF‐HFP) into QSSE, aiming introduce new fast conducting channels organic–inorganic interface. The efficient transfer pathways effectively promote homogenization migration, enabling achieve an ultrahigh ionic conductivity 4.1 mS cm −1 room temperature, with transference number as high 0.54. Moreover, PVDF‐HFP preferentially reduced upon contact form “NaF‐rich” electrolyte interphase, which suppresses growth dendrites. synergistic combination multiple strategies realize exceptional long‐term cycling stability in both symmetric batteries (≈700 h) full (2100 cycles). This study provides insight constructing performance dendrite‐free solid‐state metal batteries.

Language: Английский

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Multilayer asymmetric solid polymer electrolyte with modified interface for high-voltage solid-state Li metal batteries

Energy storage materials, Journal Year: 2023, Volume and Issue: 65, P. 103122 - 103122

Published: Dec. 7, 2023

Language: Английский

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Localized high concentration polymer electrolyte enabling room temperature solid-state lithium metal batteries with stable LiF-rich interphases

Energy storage materials, Journal Year: 2024, Volume and Issue: 71, P. 103570 - 103570

Published: June 15, 2024

Language: Английский

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Multisite Crosslinked Poly(ether‐urethane)‐Based Polymer Electrolytes for High‐Voltage Solid‐State Lithium Metal Batteries

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

Published: Oct. 24, 2024

Abstract Utilizing solid‐state polymer electrolytes (SPEs) in high‐voltage Li‐metal batteries is a promising strategy for achieving high energy density and safety. However, the SPEs face challenges such as undesirable mechanical strength, low ionic conductivity incompatible interface. Here, novel crosslinked poly(ether‐urethane)‐based SPE with molecular cross‐linked structure fabricated to create high‐throughput Li + transport pathway. The amino‐modified Zr‐porphyrin‐based metal‐organic frameworks (ZrMOF) are introduced multisite cross‐linking nodes chain extenders. abundant ether/ketonic‐oxygen Lewis acid sites achieve (5.7 × 10 −4 S cm −1 at 30 °C) transference number (0.84). interpenetrating of robust strength results record cycle life 8000 h Li||Li symmetric cell. structural stability ZrMOF electron‐withdrawing urethane/ureido groups oxidation potential (5.1 V) enables discharge capacity 182 mAh g 0.3 C over 500 cycles LiNi 0.8 Co 0.1 Mn O 2 ||Li Remarkably, 446 Wh kg 1.5‐Ah pouch cell obtained loading cathode (≈4 −2 ), demonstrating great prospect current practical application solid‐state, batteries.

Language: Английский

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An all-in-one free-standing single-ion conducting semi-solid polymer electrolyte for high-performance practical Li metal batteries

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(19), P. 7119 - 7128

Published: Jan. 1, 2024

A single-ion conducting solid polymer electrolyte with enhanced Li + migration by controlling anion immobilization and solvation was developed, showcasing superior electrochemical performance industrial compatibility.

Language: Английский

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High‐Performance Bi₂Te₃‐Based Thermoelectrics Enabled by ≈1 nm Metal Chalcogenide Clusters with Size‐Dependent Electron and Phonon Structures

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(36)

Published: April 8, 2024

Abstract The untapped potential of sub‐nanometric materials (SNMs) in constructing high‐performance thermoelectrics (TE) presents a promising yet unexplored avenue. This study investigates the utilization supertetrahedral CdS clusters, representing SNMs, conjunction with state‐of‐the‐art Bi 2 Te 3 ‐based systems. cluster size‐dependent electronic structure enables selective interface scattering carriers, while its 1 nm size and phonon density states (DOS) contribute to significant interfacial thermal resistance. Furthermore, dislocations grain refinement induced by incorporation boost mechanical properties. Consequently, remarkable peak figure merit ( ZT ) value 1.47 at 350 K record‐high Vickers hardness 1.08 GPa is achieved 0.5 Sb 1.5 /0.1 wt% composite. robust TE module achieves an excellent conversion efficiency about 6.1% under ΔT 241 K. work opens up exciting possibilities for utilizing clusters even inspires other fields involving electrical transport behaviors.

Language: Английский

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