Complementary Weaknesses: A Win‐Win Approach for rGO/CdS to Improve the Energy Conversion Performance of Integrated Photorechargeable Li−S Batteries

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(22)

Published: March 15, 2024

Integrating solar energy into rechargeable battery systems represents a significant advancement towards sustainable storage solutions. Herein, we propose win-win solution to reduce the shuttle effect of polysulfide and improve photocorrosion stability CdS, thereby enhancing conversion efficiency rGO/CdS-based photorechargeable integrated lithium-sulfur batteries (PRLSBs). Experimental results show that CdS can effectively anchor under sunlight irradiation for 20 minutes. Under high current density (1 C), discharge-specific capacity PRLSBs increased 971.30 mAh g

Language: Английский

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Stress Dissipation Driven by Multi‐Interface Built‐In Electric Fields and Desert‐Rose‐Like Structure for Ultrafast and Superior Long‐Term Sodium Ion Storage

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(12)

Published: Jan. 16, 2024

Abstract The kinetics and durability of conversion‐based anodes greatly depend on the intrinsic stress regulating ability electrode materials, which has been significantly neglected. Herein, a dissipation strategy driven by multi‐interface built‐in electric fields (BEFs) architected structure, is innovatively proposed to design ultrafast long‐term sodium ion storage anodes. Binary Mo/Fe sulfide heterostructured nanorods with BEFs staggered cantilever configuration are fabricated prove our concept. Multi‐physics simulations experimental results confirm that inner in multiple directions can be dissipated at micro‐scale, structure macro‐scale, respectively. As result, designed anode exhibits superb rate capability (332.8 mAh g −1 10.0 A ) durable cyclic stability over 900 cycles 5.0 , outperforming other metal chalcogenides. This offers new insight for developing stable structures

Language: Английский

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Electron Modulated and Phosphate Radical Stabilized 1T‐Rich MoS₂ for Ultra‐Fast‐Charged Sodium Ion Storage

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(9)

Published: Dec. 12, 2023

Abstract Metallic phase molybdenum sulfide (1T‐MoS 2 ) is considered as an attractive electrode material for sodium‐ion batteries (SIBs) owing to its abundant active sites, metallic conductivity and high theoretical capacity. Unfortunately, the thermodynamic unstable characteristic under natural conditions makes 1T‐MoS difficult synthesize directly, which greatly hinders further applications. Herein, electron modulated phosphate radical stabilized strategy employed construct stable 1T‐rich MoS (1T‐P‐MoS ). The PO 4 3− groups are intercalated into via a simple one‐step synthesis process, enlarges interlayer spacings improves insertion/extraction kinetics of Na + . Density functional theory (DFT) calculations experiments demonstrate that can give partial electrons Mo upon intercalation, triggers reorganization 4d orbitals, resulting in spontaneous transition from 2H 1T phase, thereby enhancing electrical obtained 1T‐P‐MoS exhibits ultra‐fast charged properties (up 277.1 mAh g −1 at 40 A , discharged/charged within 25 s) excellent cycling performance 498.9 after 300 cycles 1 This work provides feasible technical solution analyses deep mechanisms on tuning metal electrodes advanced SIBs.

Language: Английский

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3D Hierarchical Sunflower‐Shaped MoS₂/SnO₂ Photocathodes for Photo‐Rechargeable Zinc Ion Batteries

Advanced Science, Journal Year: 2024, Volume and Issue: 11(21)

Published: March 19, 2024

Abstract Photo‐rechargeable zinc‐ion batteries (PRZIBs) have attracted much attention in the field of energy storage due to their high safety and dexterity compared with currently integrated lithium‐ion solar cells. However, challenges remain toward practical applications, originating from unsatisfactory structural design photocathodes, which results low photoelectric conversion efficiency (PCE). Herein, a flexible MoS 2 /SnO ‐based photocathode is developed via constructing sunflower‐shaped light‐trapping nanostructure 3D hierarchical self‐supporting properties, enabled by embellishment nanosheets SnO quantum dots on carbon cloth (MoS QDs@CC). This provides favorable pathway for effective separation photogenerated electron‐hole pairs efficient Zn 2+ photocathodes. Consequently, PRZIB assembled QDs@CC delivers desirable capacity 366 mAh g −1 under light intensity 100 mW cm −2 , achieves an ultra‐high PCE 2.7% at current density 0.125 mA . In practice, battery system consisting four series‐connected quasi‐solid‐state PRZIBs successfully applied as wearable wristband smartwatches, opens new door application next‐generation devices.

Language: Английский

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Complementary Weaknesses: A Win‐Win Approach for rGO/CdS to Improve the Energy Conversion Performance of Integrated Photorechargeable Li−S Batteries

Angewandte Chemie, Journal Year: 2024, Volume and Issue: 136(22)

Published: March 15, 2024

Abstract Integrating solar energy into rechargeable battery systems represents a significant advancement towards sustainable storage solutions. Herein, we propose win‐win solution to reduce the shuttle effect of polysulfide and improve photocorrosion stability CdS, thereby enhancing conversion efficiency rGO/CdS‐based photorechargeable integrated lithium‐sulfur batteries (PRLSBs). Experimental results show that CdS can effectively anchor under sunlight irradiation for 20 minutes. Under high current density (1 C), discharge‐specific capacity PRLSBs increased 971.30 mAh g −1 , which is 113.3 % enhancement compared dark condition (857.49 ). Remarkably, without an electrical power supply, maintain 21 hours discharge process following merely 1.5 light irradiation, achieving breakthrough solar‐to‐electrical up 5.04 %. Ex situ X‐ray photoelectron spectroscopy (XPS) in Raman analysis corroborate effectiveness this complementary weakness approach bolstering redox kinetics curtailing dissolution PRLSBs. This work showcases feasible strategy develop with potential dual‐functional metal sulfide photoelectrodes, will be great interest future‐oriented off‐grid photocell systems.

Language: Английский

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Toward High‐Performance, Flexible, Photo‐Assisted All‐Solid‐State Sodium‐Metal Batteries: Screening of Solid‐Polymer‐Based Electrolytes Coupled with Photoelectrochemical Storage Cathodes

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

Published: Feb. 18, 2025

Abstract The advancement of photo‐assisted rechargeable sodium‐metal batteries with high energy efficiency, lightweight structure, and simplified design is crucial for the growing demand in portable electronics. However, addressing intrinsic safety concerns liquid electrolytes sluggish reaction kinetics existing photoelectrochemical storage cathodes (PSCs) remains a significant challenge. In this work, functionalized light‐driven composite solid electrolyte (CSE) fillers are systematically screened, optimized PSC materials employed to construct advanced solid‐state battery (PSSMB). To further enhance mechanical properties poly(ethylene oxide) compatibility CSE, natural lignocellulose incorporated, enabling fabrication flexible PSSMBs. situ tests density functional theory calculations reveal that electric field facilitated sodium salt dissociation, reduced interfacial resistance, improved ionic conductivity (0.1 mS cm −1 ). Meanwhile, energy‐level matching maximized utilization photogenerated carriers, accelerating enhancing interface between cathode. resulting pouch‐type PSSMB demonstrates remarkable discharge capacity 117 mAh g outstanding long‐term cycling stability, retaining 89.1% its achieving an efficiency 96.8% after 300 cycles at 1 C. This study highlights versatile strategy advancing safe, high‐performance batteries.

Language: Английский

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Nanoscale 0D/1D Heterojunction of MAPbBr₃/COF Toward Efficient LED-Driven S–S Coupling Reactions

ACS Catalysis, Journal Year: 2023, Volume and Issue: 13(23), P. 15493 - 15504

Published: Nov. 16, 2023

Precise and efficient management of disulfide bonds will offer multiple merits for the development organosulfur chemistry, pharmacology, life sciences. However, current S–S coupling synthesis strategy encounters bottlenecks in conforming to separation products, which limits its industrial-scale application. In view superoxide radical-triggered reaction mechanism coupling, this study demonstrates a multifunctional situ-assembled 0D/1D S-scheme heterojunction photocatalyst (MAPB-T-COF) constructed by MAPbBr3 quantum dots imine covalent organic framework (COF) nanowires under guidance band engineering management. MAPB-T-COF exhibits superior photocatalytic performance conversion 4-methylbenzenethiol (4-MBT) p-tolyl (PTD) blue LED illumination. Specifically, it achieves an impressive 100% yield with record photon efficiency as high 12.76%, well universal availability various derivatives, rivaling all incumbent similar systems. This not only highlights effectiveness nanoscale photocatalysis but also perfect trade-off between efficiencies strong chemical redox potentials. addition, free radical that triggers was monitored situ electron paramagnetic resonance (EPR) instrument, provided meaningful insights into mechanism. may inspire photoelectric devices, photoelectrodes, photocatalysts utilizing nanoscale, low-dimensional heterojunctions.

Language: Английский

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Superparamagnetic Fe Conversion Induces MoS₂ Fast Ion Transport in Wide‐Temperature‐Range Sodium‐Ion Batteries

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

Published: July 5, 2024

Abstract MoS 2 is widely reported as anode material for sodium‐ion batteries (SIBs). However, its ability to operate effectively across a wide temperature range and at high rates continues pose fundamental challenges, limiting further development. Herein, monolayer Fe‐doped /N,O‐codoped C overlapping structure designed employed an wide‐temperature‐range SIBs. Fe doping imparts electrode with zero bandgap characteristics, increased interlayer spacing, low diffusion energy barriers operation temperatures. Impressively, atoms doped into the lattice can be reduced superparamagnetic 0 nanocrystals of ≈2 nm during conversion reactions. In situ magnetometry reveals that these used electron acceptor in formation space charge zones Na + , thereby triggering strong spin‐polarized surface capacitance facilitates fast storage over range. Consequently, demonstrates exceptional fast‐charging capability half/full cells operating −40–60 °C. This study provides novel perspectives on utilization heteroatom strategies conversion‐type design proves effectiveness effect enhancing

Language: Английский

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Carbon Superstructure‐Supported Half‐Metallic V₂O₃ Nanospheres for High‐Efficiency Photorechargeable Zinc Ion Batteries

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(38)

Published: June 26, 2024

Photorechargeable zinc ion batteries (PZIBs), which can directly harvest and store solar energy, are promising technologies for the development of a renewable energy society. However, incompatibility requirement between narrow band gap wide coverage has raised severe challenges high-efficiency dual-functional photocathodes. Herein, half-metallic vanadium (III) oxide (V

Language: Английский

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Coupled Photochemical Storage Materials in Solar Rechargeable Batteries: Progress, Challenges, and Prospects

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

Published: Sept. 11, 2024

Abstract Solar rechargeable batteries (SRBs), as an emerging technology for harnessing solar energy, integrate the advantages of photochemical devices and redox to synergistically couple dual‐functional materials capable both light harvesting activity. This enables direct solar‐to‐electrochemical energy storage within a single system. However, mismatch in levels between coupled (PSMs) occurrence side reactions with liquid electrolytes during charge‐discharge cycles lead decrease conversion efficiency. impedes advancement SRBs. review comprehensively discusses latest advancements PSMs, which are crucial designing advanced It delves into extensive discussion design criteria cathodes (PSCs) elucidates operational mechanism Additionally, it further performance, efficiency, long‐term cycle stability SRBs relation photoelectronic photothermal mechanisms. Finally, outlook on primary challenges prospects that will encounter is provided offer novel insights their technological advancement.

Language: Английский

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