نتایج جستجو برای: lithium cation
تعداد نتایج: 103170 فیلتر نتایج به سال:
The existing lithium ion battery model in Multiphysics (MP) software (COMSOL Inc., Palo Alto, CA) is extended to include the thermal effects. The thermal behavior of a lithium ion battery is studied during the galvanostatic discharge process with and without a pulse. ccepted 8 March 2011 vailable online 15 March 2011 eywords: ithium ion battery hermal model © 2011 Elsevier B.V. All rights reser...
Lithium ion batteries exhibit the highest energy densities of all battery types and are therefore an important technology for energy storage in every day life. Today's commercially available batteries employ organic polymer lithium conducting electrolytes, leading to multiple challenges and safety issues such as poor chemical stability, leakage and flammability. The next generation lithium ion ...
Two high-salt-content ionic liquid electrolytes with distinct cationic chemistries were compared. The one a phosphonium cation showed superior characteristics, particularly in terms of its enhanced capacity when used lithium metal batteries.
رشد و گسترش بسیاری از گیاهان به واسطه فعالیت هورمون های گیاهی تنظیم می شود. نتایج تجربی نشان دادند که هورمون تراپی با هورمون ga3 تاثیر معناداری بر روی توزیع مونوترپن ها در گیاهrubus caesius دارد. در حضور هورمون ga3 غلظتcineole و ? –cadinene کاهش و میزان ? –terpinoleneand longifoleneافزایش یافت. با بررسی مسیر بیوسنتزی مشخص شد که ? –terpinolene و cineoleاز حدواسط ? –terpinyl cation مشتق شده اند و...
Red blood cell membrane cation transport was measured in five population-based surveys and two randomized, controlled, dietary intervention studies to examine its associations with demographic, biological, and dietary variables in free-living individuals. A total of 508 individuals, 255 with high blood pressure, were studied. Both sexes, blacks and whites, and several age groups were represente...
I The pharmacokinetics of the lithium ion administered as lithium orotate were studied in rats. Parallel studies were carried out with lithium carbonate and lithium chloride. 2 No differences in the uptake, distribution and excretion of the lithium ion were observed between lithium orotate, lithium carbonate and lithium chloride after single intraperitoneal, subcutaneous or intragastric injecti...
Room temperature ionic liquids are considered as potential electrolytes for high performance and safe lithium batteries due to their very low vapor pressure and relatively wide electrochemical and thermal stability windows. Unlike organic electrolytes, ionic liquid electrolytes are molten salts at room temperature with dissociated cations and anions. These dissociated ions interfere with the tr...
SEI-forming additives play an important role in lithium-ion batteries, and the key to improving battery functionality is to determine if, how, and when these additives are reduced. Here, we tested a number of computational approaches and methods to determine the best way to predict and describe the properties of the additives. A wide selection of factors were evaluated, including the influences...
be optimized. [ 7–12 ] In general, very little design guidelines are available to preselect high-capacity electrode materials, and the search for novel cathodes has been largely by trial and error. Here, we show that there is a welldefi ned relation between the composition, transition-metal ordering, and the diffusion kinetics of lithium intercalation. Mapping the confi gurational space of orde...
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