نتایج جستجو برای: carbothermal
تعداد نتایج: 304 فیلتر نتایج به سال:
Priority Lithium recovery from spent Li-ion batteries via carbothermal reduction with water leaching
Lithium is one of the most valuable elements within lithium-ion batteries, but it also least recycled metals owing to its high reactivity, solubility, and low abundance. This work presents an improved carbothermal reduction combined with a water leaching process for lithium recovery from Li(NixMnyCo1-x-y)O2 cathode materials. Based on thermodynamic analysis reduction, products at different temp...
Preparation procedures and thermionic emission properties of graphitic carbon nanofibres (GCNFs) supported on Si wafer or commercial carbon felt supports are reported. GCNF/native-oxide Si wafer, GCNF/oxidized Si wafer, GCNF/Ni-coated Si wafer and GCNF/carbon felt nanocomposites are obtained by growing GCNFs from growth catalyst nanoparticles supported on these supports. Narrow herringbone GCNF...
Well-aligned ZnO nanowires (NWs) were successfully synthesized on Si(100) by the process of carbothermal reduction and vapor– liquid–solid method. Scanning electron microscopy and transmission electron microscopy results confirmed that ZnO NWs were single crystalline wurtzite structures and grew along the [0001] direction. The influences of substrate temperature and total pressure on the growth...
Abstract The research into sodium-ion battery requires the development of high voltage cathodic materials to compensate for potential negative electrode which is usually higher than lithium counterparts. In this framework, polyanionic compound Na 3 V 2 (PO 4 ) F was prepared by an easy-to-scale-up carbothermal method and characterized evaluate its electrochemical performances in half cell vs. m...
With the view to improve densification behaviour and mechanical properties of ZrB2-SiC ceramics, three synthesis routes were investigated for production ZrB2, prior fabrication ZrB2-20 vol. % SiC via spark plasma sintering (SPS). Two borothermal reduction routes, modified with a water-washing stage (BRW) partial solid solution Ti (BRS), utilised, alongside boro/carbothermal mechanism (BRCR) uti...
The development of strategies for the sustainable management and valorization agricultural waste is outmost importance. With this in mind, we report use rice husk (RH) as feedstock preparation heterogeneous catalysts hydrogenation reactions. were prepared by impregnating milled RH with a silver nitrate solution followed carbothermal reduction. composition morphology fully assessed IR, AAS, ICP-...
Nanoscale, zero-valent iron is a promising reagent for in situ reduction of a variety of subsurface contaminants, but its utility in full-scale remediation projects is limited by material costs. Iron nanoparticles (20-100 nm diameter) supported on carbon (C-Fe0) were synthesized by reacting iron salts, adsorbed or impregnated from aqueous solutions onto 80 m2/g carbon black, at 600-800 degrees ...
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