Performance optimization of a novel perovskite solar cell with power conversion efficiency exceeding 37% based on methylammonium tin iodide

Next Energy, Journal Year: 2024, Volume and Issue: 6, P. 100182 - 100182

Published: Sept. 3, 2024

Language: Английский

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Review on the Polymeric and Chelate Gel Precursor for Li-Ion Battery Cathode Material Synthesis

Gels, Journal Year: 2024, Volume and Issue: 10(9), P. 586 - 586

Published: Sept. 12, 2024

The rapid design of advanced materials depends on synthesis parameters and design. A wide range can be synthesized using precursor reactions based chelated gel organic polymeric pathways. desire to develop high-performance lithium-ion rechargeable batteries has motivated decades research the battery active material particles with precise control composition, phase-purity, morphology. Among most common methods reported in literature prepare precursors for materials, sol-gel is characterized by simplicity, homogeneous mixing, tuning particle shape. chelate precursor-based method efficient promote desirable reaction conditions. Both routes are commonly used synthesize cathode from raw such as inorganic salts aqueous solutions or solvents. purpose this review discuss procedure summarize progress that been made producing crystalline tunable complex morphologies batteries.

Language: Английский

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MOF-derived nitrogen, sulfur, cobalt, and copper co-doped graphite felt for high-efficiency vanadium redox flow battery electrodes

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 687, P. 1 - 13

Published: Feb. 7, 2025

Language: Английский

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Alleviating Mn Ion Dissolution in LiMn₂O₄ by Activation of TiO₂ Lewis Acid Sites in Electrospun PVA/TiO₂ Quasi-Solid Polymer Electrolyte

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 28, 2025

The primary concern of interest in high-voltage cathodes such as spinel LiMn2O4 is transition metal dissolution. Though several techniques and structural modifications are continuously under examination, a crucial factor that could make significant impact the careful evaluation electrolyte properties. In this regard, PVA/TiO2 (PT) quasi-solid polymer prepared using an electrospinning technique employed to suppress HF scavengers, main cause manganese Good electrochemical stability 5.05 V, ionic conductivity 0.26 × 10–5 S cm–1, stable plating–stripping, tLi+ 0.82 evidence for good performance. Lewis acid sites TiO2 firmly hold PF6– anions, strong hydrogen bonding carbonate solvents disrupts cycle decomposition reactions. capacity retention 73% after 500 cycles at 2C rate post-mortem analysis LMO cathode provide successful suppression dissolution PT electrolyte.

Language: Английский

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Potential regulation strategy of molar ratio and solid-state sintering temperature on regeneration of spent lithium nickel manganese cobalt oxides (NMC 111) cathode

Materials Chemistry and Physics, Journal Year: 2025, Volume and Issue: unknown, P. 130658 - 130658

Published: March 1, 2025

Language: Английский

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Hexagonal boron nitride (h-BN) “a miracle in white”: An emerging two-dimensional material for the advanced powered electronics and energy harvesting application

Composites Part B Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 112531 - 112531

Published: April 1, 2025

Language: Английский

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Optimized NMC622 electrodes with a high content of the active material: A comprehensive study

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 608, P. 234549 - 234549

Published: May 4, 2024

The composition of lithium-ion battery positive electrodes, incorporating an active material, conductive carbon additives, and a binder, fundamentally influences the electrode physical electrochemical characteristics. In this study, properties electrodes with high amount material (LiNi0.6Mn0.2Co0.2O2 98 wt-%), were tested different ratios nanotubes (CNTs) black (CB) along varying amounts PVDF binder. Consequently, rate capability improves increase CNTs up to 30 wt-% in total share increasing binder 1 wt-%, attributed optimal balance inactive amount. is determined be NMC622, PVDF, carbons, out which CNT shares accounting for wt-%. Furthermore, study continues by comparing reference (CNT-free) assess impact on performance. With present, attains higher energy density specific capacity owing uniform network. Operando XRD dilatometry experiments also reveal that reduce irreversible height change during cycling minimize anisotropic lattice changes, thus enhancing retention.

Language: Английский

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Unveiling the central metal effects in thiophene-substituted metalloporphyrins electrodes for electrochemical energy sources: A first-principles study

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 631, P. 236284 - 236284

Published: Jan. 25, 2025

Language: Английский

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Unlocking the superior performance of Ni-rich layered materials through precise precursor engineering

Journal of the European Ceramic Society, Journal Year: 2025, Volume and Issue: unknown, P. 117280 - 117280

Published: Feb. 1, 2025

Language: Английский

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Catalysis for Carbon‐Circularity: Emerging Concepts and Role of Inorganic Chemistry

ChemSusChem, Journal Year: 2024, Volume and Issue: 17(21)

Published: May 28, 2024

Carbon circularity is crucial for achieving a circular economy but has wider implications and impacts with respect to the of materials. It an in-depth transformative effect on economy. CO

Language: Английский

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