Sustainable recovery of spent ternary cathode materials via wasted asphalt pyrolysis in closed-loop recycling

Sustainable materials and technologies, Год журнала: 2025, Номер unknown, С. e01343 - e01343

Опубликована: Март 1, 2025

Язык: Английский

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The Development and Experimental Analysis of Freestanding Single‐Walled Carbon Nanotube/Sulfur Composite Cathode for the Next Generation of Sulfur‐Based Batteries

Energy Technology, Год журнала: 2025, Номер unknown

Опубликована: Март 18, 2025

This work uses a solution‐based and scalable method to provide freestanding single‐walled carbon nanotube (SWCNT)/S cathode in both LiS NaS batteries. SWCNTs with high conductivity surface area can enhance the flexibility. The incorporation of oxygen sulfur bonds active redox sites for chemical adsorption. Sulfur effectively hinder shuttle effect by improving interactions between polysulfides nonpolar framework, leading improved cyclability cells. cycling stability plots batteries SWCNT/S as are investigated 150 cycles at current density 1000 mA g −1 . Both cells display stable capacity behavior during cycling. discharge cell is retained 978.2 mAh while only shows retention 769.4 after cycles. Coulombic efficiencies ≈94% 90% observed respectively. Therefore, hinders polysulfide shuttle, providing electrolyte diffusion, resulting material reutilization minimized fading. Freestanding over long‐term proved be promising

Язык: Английский

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Spatiotemporal Coordination-Engineered Core–Shell Zeolitic Imidazolate Frameworks Enable Self-Adaptive Electrocatalyst Reconstruction and Self-Tandem Sulfur Conversion

ACS Nano, Год журнала: 2025, Номер unknown

Опубликована: Май 14, 2025

Upon electrocatalysts being intertwined with lithium polysulfides (LiPSs) in lithium-sulfur (Li-S) batteries, the intricate relationship between spatial landscape of and corresponding electrocatalytic performance necessitates elaborate elucidation. Consequently, leveraging specialized functions different components organizing their arrangement culminate holistic integration spatial-temporal specificity, facilitating both self-adaptive electrocatalyst reconstruction self-tandem LiPSs conversion. Inspired by responsiveness molecular recognition cell membranes, a pertinent morphological design paradigm is proposed, which features universal core-shell structure spatially heterogeneous components. Specifically, ionic Zn conducive to Li+ mobility covalent Co immobilization are conscripted ameliorate redox kinetics. By configuring specific organization within zeolite imidazolate frameworks, we elucidate distinguished role covalency-ionicity couplings steering pathway temporal-specific active site manipulating self-regulation distribution. Ascribed situ reconstructed for conversion, wherein Zn-N shell facilitates transport Co-(S)-Zn-(N) core contributes bidirectional electrocatalysis LiPSs, thus-derived Ah-level pouch maintains stable cycling 100 cycles at 1C. Additionally, an electrolyte-to-sulfur ratio 3.3 μL mg-1 negative-to-positive capacity approximately 1.5, high energy density up 374 W h kgtotal-1 achieved. These findings highlight architectures advanced Li-S batteries.

Язык: Английский

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Advances in Room-Temperature Solid-State Sodium-Sulfur and Potassium-Sulfur Batteries: Materials, Challenges, and Prospects

Energy storage materials, Год журнала: 2025, Номер unknown, С. 104322 - 104322

Опубликована: Май 1, 2025

Язык: Английский

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Biphase coupled cathode enables all-organic rocking-chair lithium ion batteries based on crystalline AB-stacked covalent triazine-based frameworks

Green Chemistry, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

Crystalline AB-stacked CTFs were synthesized in the AlCl 3 –NaCl–KCl ternary eutectic salt system, and a CTF-based biphase coupled cathode (BPCC) has been proposed proved to show significantly enhanced electrochemical performance.

Язык: Английский

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Engineered Sodium Metal Anodes: Tackling Sulfur‐Derivative Challenges for Advanced Sodium–Sulfur Batteries

Advanced Energy Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 16, 2024

Abstract The development of room temperature sodium–sulfur (RT Na─S) batteries has been significantly constrained by the dissolution/shuttle sulfur‐derivatives and instability sodium anode. This study presents an engineered metal anode (NBS), featuring bromide (NaBr) along with sodiophilic components like tin (Sn) sodium‐tin (Na─Sn) alloy. configuration exhibits high plating/stripping reversibility minimal nucleation/growth barriers in ester‐based electrolyte, allowing stable cycling symmetric cells at 2 mA cm⁻ /2 h for over 2000 a low overpotential 30 mV. Importantly, weak adsorption reduced electron transfer towards sulfur‐derivatives, facile dissociation Na S /Na S, effectively minimize accumulation thereby improving interfacial stability NBS electrode sulfur‐derivatives‐involved conditions. As result, endows Na─S full paired either Co‐NMCN@S or SPAN cathode superior electrochemical performance, SPAN//NBS system delivering outstanding reversible capacity 1639.5 g⁻¹ degradation rate 0.06% per cycle 0.5C. elucidates complex deposition/dissolution kinetics interface chemistry associated sulfur species, providing valuable insights enhancing anodes practical RT systems.

Язык: Английский

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Ion conductivity and the stability of the interface between Na metal and Na3OCl

Journal of Solid State Electrochemistry, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 18, 2024

Язык: Английский

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Structural regulation of electrocatalysts for room-temperature sodium–sulfur batteries

Rare Metals, Год журнала: 2024, Номер unknown

Опубликована: Дек. 20, 2024

Язык: Английский

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