نتایج جستجو برای: lithium doping
تعداد نتایج: 75119 فیلتر نتایج به سال:
The current research work reports the methods that have been developed to dope Lithium nanoparticles MIL@53-Al surface frameworks without inducing structures. prepared MOFs and Li/MIL/53-Al were characterized by XRD, TEM, SEM, BET, TGA. doped measured for hydrogen sorption capacities at 298 253 K under a pressure of 75 bar. study revealed enhanced significantly due doping lithium ions; however,...
The dehydrogenation properties of LiAlH4 doped with different Ti precursors (Ti, TiO2, and TiCl3) via ball milling are investigated. The results not only show significant decreases in the decomposition temperatures (Tdec) and activation energies (EA) of the first two dehydrogenation reaction steps of LiAlH4 by doping with TiO2 or TiCl3, but also reveal how each Ti precursor affects the dehydrog...
Pure and Li-doped CuO nanofilms were synthesized on heated glass substrates using the spray-pyrolysis technique. The deposited pure achieved at a precursor molarity of 0.2 M solution prepared from copper nitrate trihydrate (Cu(NO3)2·3H2O). Doped Li–CuO obtained several doping concentrations (3, 6, 9, 12 15%) by adding lithium (LiNO3). samples investigated different techniques. XRD revealed thre...
Lithium–aluminum layered double hydroxides (LDHs) selectively sorb lithium from brines, concentrating and purifying this critical element for subsequent conversion to active battery components. Lithium ion partitioning into lattice vacancies within the LDH structure is enhanced with iron doping. However, process leads a highly coupled set of intercalation interactions whose mechanisms are chall...
We report here doping of Fe(2+) and/or Mg(2+) in LiMnPO4 cathode material to enhance its lithium storage performance and appraise the effect of doping. For this purpose, LiMn0.9Fe(0.1-x)MgxPO4/C (x = 0 and 0.05) and LiMn0.95Mg0.05PO4/C have been prepared by a ball mill assisted soft template method. These materials were prepared with similar morphology, particle size and carbon content. Amongst...
This study aims to investigate the effect of Na doping on structure, electrical, and electrochemical properties lithium-rich cathode material. Pristine Li1.2Ni0.13Mn0.54Co0.13O2 (LNMC) Na-doped Li1.17Na0.03Ni0.13Mn0.54Co0.13O2 (Na-LNMC) layered lithium-rich/manganese-rich compounds are prepared by sol-gel method. The structural morphological characterization reveals that leads an ordered struct...
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