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Carbon nanofibre frameworks based on a π-extended oligo(perylene) diimide for high-rate lithium-ion batteries.
Nanoscale
January 2025
College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China.
Anodes play an important role in lithium-ion batteries (LIBs) and have received much attention as ideal carbon anode materials for meeting the needs for high-rate capability, long-term stability, and high energy density. In this study, a π-extended oligo(perylene) diimide (PTN) is synthesized by using a solvothermal reaction with NH·HO as the decarboxylation reaction catalyst and perylene anhydride as the precursor. A nanocarbon fiber framework can be produced through self-assembly during the carbonization process of π-extended perylene diimide oligomers.
View Article and Find Full Text PDFHierarchical Interface Enabled by a Guest-Anionic Chemistry for High-Rate Aqueous Zinc-ion Batteries.
Angew Chem Int Ed Engl
January 2025
Key Laboratory of Colloid and Interface Chemistry Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China.
The poor reversibility of the zinc anode caused by interfacial side reactions and dendritic growth poses significant constraints on the practical application of aqueous zinc-ion batteries. Herein, a co-solute, acesulfame potassium, with strongly polar, zincophilic guest anions is introduced into a conventional low-concentration aqueous electrolyte. This regulation enhances the electrolyte's ionic conductivity and accelerates the desolvation process of zinc ions at the electrode/electrolyte interface.
View Article and Find Full Text PDFMesoporous Single-Crystal FeFe(CN) Microspheres for Superior Potassium-Ion Storage.
Angew Chem Int Ed Engl
January 2025
School of Chemical Engineering, the University of Adelaide, Adelaide, South Australia, 5000, Australia.
Metal hexacyanoferrates (HCFs), also known as Prussian blue analogues, are ideal cathodes for potassium-ion batteries (PIBs) due to their nontoxicity and cost-effectiveness. Nevertheless, obtaining metal HCF cathode materials with both long-term cycling stability and high rate performance remains a daunting challenge. In this study, we present mesoporous single-crystalline iron hexacyanoferrate (MSC-FeHCF) microspheres, featuring a single-crystalline structure that contains interconnected pores spanning the entire crystal lattice.
View Article and Find Full Text PDFRate capability and electrolyte concentration: Tuning MnO supercapacitor electrodes through electrodeposition parameters.
Heliyon
January 2025
Sharif Institute of Energy, Water and Environment, Sharif University of Technology, Azadi Avenue, P.O.Box11365-9465, Tehran, Iran.
Manganese dioxide (MnO) is a well-known pseudocapacitive material that has been extensively studied and highly regarded, especially in supercapacitors, due to its remarkable surface redox behavior, leading to a high specific capacitance. However, its full potential is impeded by inherent characteristics such as its low electrical conductivity, dense morphology, and hindered ionic diffusion, resulting in limited rate capability in supercapacitors. Addressing this issue often requires complicated strategies and procedures, such as designing sophisticated composite architectures.
View Article and Find Full Text PDFBackground And Aim: The high rate of tumor growth results in an increased need for amino acids. As solute carriers (SLC) transporters are capable of transporting different amino acids, cancer may develop as a result of these transporters' over-expression due to their complex formation with other biological molecules. Therefore, this review investigated the role of SLC transporters in the progression of cancer.
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