Heteroelectrocatalyst MoS2@CoS2 modified separator for Li-S battery: Unveiling superior polysulfides conversion and reaction kinetics

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 155915 - 155915

Published: Sept. 1, 2024

Language: Английский

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Interfacial Lithium-Ion Transportation in Solid-State Batteries: Challenges and Prospects

Nano Energy, Journal Year: 2025, Volume and Issue: 136, P. 110749 - 110749

Published: Feb. 7, 2025

Language: Английский

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Research Advances in Interface Engineering of Solid‐State Lithium Batteries

Carbon Neutralization, Journal Year: 2025, Volume and Issue: 4(1)

Published: Jan. 1, 2025

ABSTRACT Solid‐state lithium batteries have attracted increasing attention due to their high ionic conductivity, potential safety performance, and energy density. However, practical application is limited by a series of interface issues. In recent years, many efforts been dedicated solving these problems via engineering providing feasible strategies for the optimization lithiumion solid‐state battery interfaces. This paper reviews developments in addressing interfacial The existing are first systematically summarized, including poor contact, electrochemical instability, dendrites, space‐charge layers, element diffusion. Then, corresponding characteristics thoroughly analyzed from perspective cathode/electrolyte interface, anode/electrolyte structure design. Finally, future research directions modification discussed.

Language: Английский

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Constructing metal telluride-grafted MXene as electron “donor–acceptor” heterostructure for accelerating redox kinetics of high-efficiency Li–S batteries

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(21), P. 12691 - 12701

Published: Jan. 1, 2024

An electron modulation strategy of “donor–acceptor” is constructed by uniformly grafting NiTe 2 onto MXene, serving as a catalyst for shuttling blockers.

Language: Английский

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Self-assembled 3D CoSe-based sulfur host enables high-efficient and durable electrocatalytic conversion of polysulfides for flexible lithium-sulfur batteries

Energy storage materials, Journal Year: 2024, Volume and Issue: 71, P. 103652 - 103652

Published: July 18, 2024

Language: Английский

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Activating Redox Kinetics of Li₂S via Cu⁺, I⁻ Co‐Doping Toward High‐Performance All‐Solid‐State Lithium Sulfide‐Based Batteries

Small, Journal Year: 2024, Volume and Issue: 20(47)

Published: Aug. 26, 2024

All-solid-state lithium sulfide-based batteries (ASSLSBs) have drawn much attention due to their intrinsic safety and excellent performance in overcoming the polysulfide shuttle effect. However, sluggish kinetics of Li

Language: Английский

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An in situ gel electrolyte for the facile preparation of high‐safety Li‐S battery

Journal of Applied Polymer Science, Journal Year: 2024, Volume and Issue: 141(43)

Published: Aug. 16, 2024

Abstract Lithium‐sulfur (Li‐S) battery shows promising development potential in secondary lithium‐ion batteries. However, the shuttle effect of polysulfides, uncontrollable lithium dendrite growth, and safety hazards conventional liquid electrolytes limit popularity Li‐S batteries future commercial market. In this work, a high‐performance gel electrolyte (GPE) was prepared situ by initiating ring‐opening polymerization 1,3‐dioxolane (DOL) with aluminum trifluoromethanesulfonate (Al(OTf) 3 ) using diethylene glycol dimethyl ether (DME) as plasticizer, which can effectively improve interfacial compatibility between sulfur cathode electrolyte, well stability anode. The electrochemical performance poly‐DOL (PDOL) GPE optimized adjusting concentration ratio initiator. When Al(OTf) is 4 mM, PDOL has high ionic conductivity up to 3.81 × 10 −4 S cm −1 ion migration number 0.57. assembled quasi‐solid‐state an initial discharge specific capacity 908.1 mAh g at 0.1 C retention 68% after 240 cycles, its average Coulombic efficiency maintained 96.1%. This design provides feasible practical idea

Language: Английский

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Half-Covered ‘Glitter-Cake’ AM@SE Composite: A Novel Electrode Design for High Energy Density All-Solid-State Batteries

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: Jan. 28, 2025

Abstract All-solid-state batteries (ASSBs) are pursued due to their potential for better safety and high energy density. However, the density of cathode ASSBs does not seem be satisfactory low utilization active materials (AMs) at loading. With small amount solid electrolyte (SE) powder in cathode, poor electrochemical performance is often observed contact loss non-homogeneous distribution AMs SEs, leading tortuosity limitation lithium electron transport pathways. Here, we propose a novel design that can achieve volumetric 1258 Wh L −1 AM content 85 wt% by synergizing merits AM@SE core–shell composite particles with conformally coated thin SE shell prepared from mechanofusion process particles. The structure an intimate guarantees ionic conduction pathway while unharming electronic conduction. In addition, play role filler reduces packing porosity electrode as well between separator layer. systematic demonstration optimization may provide understanding guidance on electrodes density, capacity, ultimately

Language: Английский

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Dual thermal-response separator utilizing phase change materials with polysulfides chemisorption for safe and stable lithium–sulfur batteries

Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 113, P. 115647 - 115647

Published: Feb. 5, 2025

Language: Английский

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Sustainable Carbon‐Based Catalyst Materials Derived From Lignocellulosic Biomass for Energy Storage and Conversion: Atomic Modulation and Properties Improvement

Carbon Energy, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

ABSTRACT Carbon electrocatalyst materials based on lignocellulosic biomass with multi‐components, various dimensions, high carbon content, and hierarchical morphology structures have gained great popularity in electrocatalytic applications recently. Due to the catalytic deficiency of neutral atoms, usage single lignocellulosic‐based electrocatalysis involving energy storage conversion presents unsatisfactory applicability. However, atomic‐level modulation lignocellulose‐based can optimize electronic structures, charge separation, transfer processes, so forth, which results substantially enhanced performance carbon‐based catalysts. This paper reviews recent advances rational design as electrocatalysts from an perspective, such self/external heteroatom doping metal modification. Then, through systematic discussion principles reaction mechanisms catalysts, prepared catalysts rechargeable batteries are reviewed. Finally, challenges improving prospects diverse review contributes synthesis strategy via modulation, turn promotes lignocellulose valorization for conversion.

Language: Английский

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