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Cathode Material - DOAJ

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Last Updated: 27 January 2023

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Corrosion Behavior of Cobalt Oxide and Lithium Carbonate on Mullite–Cordierite Saggar Used for Lithium Battery Cathode Material Sintering

Cordierite ceramic saggar is a mandatory consumable material used in LiCoO 2's synthesis process that is easily eroded during application and is easily eroded during application. Mulliteu2013cordierite ceramic saggar is a key component of the Mulliteu2013cordierite ceramic saggar. We systematically investigated waste saggar samples' characteristics and surface corrosion behavior in our research. To find erosion reactants correlated with an increase in the number of recycled saggars, we investigated the high-temperature solid-state reactions between saggar powder and lithium carbonate or cobalt oxide. When enough lithium carbonate responded, lithium aluminate and lithium silicate were the key phases. Our findings may help in improving saggar and upgrading waste saggar recycling techniques.

Source link: https://doi.org/10.3390/ma16020653


LiNi 0.8 Fe 0.1 Al 0.1 O 2 as a Cobalt-Free Cathode Material with High Capacity and High Capability for Lithium-Ion Batteries

One of the biggest obstacles to electric vehicle technology's success is finding cathode materials with high yield and cycle stability. The obtained NFA cathode samples were characterized using different techniques, e. g. , scanning electronic microscopy, X-ray fluorescence, and infrared and Raman spectroscopies, including X-ray fluorescence. The lithium-ion's electrochemical activity and diffusivity of the Li-ion during lithium removal and integration into the bulk of the NFA cathode demonstrated high-yield specific capacities during the lithiation process, with a rate of C/2 and cycle stability of 0. 6 percent.

Source link: https://doi.org/10.3390/batteries9010023


Effect of Zn2+ doping on thermal, structural, morphological, functional group, and electrochemical properties of layered LiNi0.8Co0.1Mn0.1O2 cathode material

The sol-u2013gel method was used to synthesize Zn2+ doped LiNi0. 8. 25 nm-crystalline fines with crystallite sizes ranging from 20. 36 to 56. 25 nm. LiNi0. 8Mn0. 1O2 was a significant influence on the underlying parameters, such as lattice constants, cell volume, and crystallite size of LiNi0. 8Mn0. 1O2; the content of Zn2+ ions in LiNi0. 8Mn0. 1O2 had a significant effect on LiNi0. 8Mn0. 1O2's crystallite size, LiNi0. 8. 2Mn0. 1O2 was a major influence on the crystallite size of LiNi0. 8Mn0. 2Mn0. 1O2+ 0. 1O2 0. 1O2+ 0. 1Mn0. 1O2+ e to the crystallite size of LiNi0. 8Mn0. 1O2 0. 1Mn0. 1O2+ 0. 1Mn0. 2Mn0. 1O2. Both samples' cation mixing and layered structure were found to be 1. 22u20131. 38 and 4. 9827. u20135. 0195, respectively, indicating that all samples had minimal cation mixing and a well-defined layered structure. The initial discharge rate of the LiNi0. 8Mn0. 1O2 and LiNi0. 77Zn0. 1O2 cathode was discovered to be 214. 84 and 233. 57 mAh gu22121, respectively, at a 0. 1 C current rate between 3. 0 and 4. 6 V.

Source link: https://doi.org/10.1063/5.0122976


Rubber-Derived Sulfur Composite Cathode Material for Li-S/Li-ion Battery

A silicone-derived sulfur composite cathode material for Li-S battery/Li-ion battery was synthesized by the vulcanization process of butadiene rubber as a polymer source and a significant amount of sulfur. The cells, made up of the rubber-derived sulfur composite as the cathode and SiO, showed a promising potential as the next-generation LIBs due to their both electrodes having no transition metals, outstanding electrochemical stability, and safety characteristics. In addition, there was no thermal runaway and no evolution of hydrogen sulfide in the nail penetration test.

Source link: https://doi.org/10.5796/electrochemistry.22-00055


Effect of Separator and Anode on Electrochemical Characteristics and Crystal Structure of Lithium-ion Battery Cathode Material 0.4Li2MnO3-0.6LiMn1/3Ni1/3Co1/3O2

We investigated the average crystal structure change during charging and discharging of a 0. 4LiMnO3. 36LiMnO3MnO3V battery cathode in combination with a Li-metal anode, graphite anodes, and three different types of separators. The results show that the changes in the crystal structure of a cathode over a long cycle should be investigated with the anodes and separators used in real batteries rather than Li-metal anodes and conventional separators.

Source link: https://doi.org/10.5796/electrochemistry.20-00126


Preparation of a NaFePO4 Cathode Material via Electrochemical Sodiation of FePO4 Layers on Al Substrates

NaFePO4/Al was produced as a potential cathode material in this study by a cyclic voltammetry technique used to intercalate Na+ into an FePO4/Al substrate. Rather than applying delithiation to LiFePO4 and then sodiation as was done in previous studies, the sodiation was carried out immediately to FePO4 instead of applying delithiation to LiFePO4 and sodiation, as was done in previous studies. As a result of Le Bail refinement, the CV product of FePO4/Al was crystallized in an orthorhombic olivine NaFePO4, according to the findings. Meanwhile, LiFePO4/Al's CV product was also crystallized in olivine NaFePO4 and had secondary phases similar to NFP with an additional Fe2O3 phase. Both samples depict a similar appearance, with NFP's impedance value being lower than that of NFP. This shows that the CV treatment of FePO4/Al is more effective than the LiFePO4 layer's, while simultaneously producing a cathode with higher electrical conductivity.

Source link: https://doi.org/10.14716/ijtech.v13i1.4306

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions