نتایج جستجو برای: lithium doping
تعداد نتایج: 75119 فیلتر نتایج به سال:
Adoption of the Li þ site for chromium dopants in lithium tetraborate
Owing to their high theoretical specific capacity and low cost, lithium- manganese-rich layered oxide (LMR) cathode materials are receiving increasing attention for application in lithium-ion batteries. However, poor lithium ion electron transport kinetics plus side effects of anion cation redox reactions hamper power performance stability the LMRs. In this study, LMR Li1.2Mn0.6Ni0.2O2 was modi...
All-solid-state lithium batteries are a promising alternative to commercially available lithium-ion due their ability achieve high energy density, safety, and compactness. Electrolytes key components of all-solid-state batteries, as they crucial in determining the batteries’ efficiency. Herein, structure LiM2(PO4)3 (M = Ti, Ge, Zr) migration mechanisms introduced well different synthetic routes...
Strontium titanate (SrTiO3) has received much attention due to its wide range of potential applications, including in electrochemical devices such as solid oxide fuel cells and capacitors. The stability safety features SrTiO3 led the development promising electrodes for Li-ion batteries. Here, we use density functional theory simulations examine incorporation lithium from gas-phase bulk forms. ...
As a result of the extensive research and application LiFePO4 (LFP) in past > 20 years, there is now relatively in-depth understanding its structural stability, phase transition mechanism electrochemical properties. However, difficulties faced by further improving performance LFP due to intrinsic low electronic ionic conductivity have not yet been effectively solved. In order unlock effect m...
A composite cathode material for lithium ion battery applications, Mo-doped LiFePO(4)/C, is obtained through a facile and fast microwave-assisted synthesis method. Rietveld analysis of LiFePO(4)-based structural models using synchrotron X-ray diffraction data shows that Mo-ions substitute onto the Fe sites and displace Fe-ions to the Li sites. Supervalent Mo(6+) doping can act to introduce Li i...
Tin dioxide (SnO2) is a widely investigated lithium (Li) storage material because of its easy preparation, two-step storage mechanism and high specific capacity for lithium-ion batteries (LIBs). In this contribution, a phase-pure cobalt-doped SnO2 (Co/SnO2) and a cobalt and nitrogen co-doped SnO2 (Co-N/SnO2) nanocrystals are prepared to explore their Li storage behaviors. It is found that the m...
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