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Cathode For Lithium Ion Battery - Astrophysics Data System

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Last Updated: 19 October 2022

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Synthesis and Electrochemical Performance of Urea Assisted Pristine LiMn 2 O 4 Cathode for Li Ion Batteries

LiMn 2 O 4 has uniform porous morphology and granular particles that can be obtained at pH 7. 0 and 8. 0, as well as a relatively low temperature of 600 degrees below 600 u00b0C. LiMn 2 O 4 synthesized at 600-u00b0C and pH 7. 0 has the highest structural stability and excellent cycling results according to charge-/discharge tests conducted at a new rate of 40 mA g -1.

Source link: https://ui.adsabs.harvard.edu/abs/2017RJPCA..91.2671I/abstract


Investigating the influence of the calendering process on the 3D microstructure of single-layer and two-layer cathodes in lithium-ion batteries using synchrotron tomography

A central aim in state-of-the-art battery research is to please the ever-growing demands. Further improvement of the lithium-ion battery's performance is a major aim in state-of-the-art battery research to meet the growing demands. Since the electrode calendering process of electrodes has a major effect on their microstructure, the aim of this paper is to investigate how changing the compaction load changes lithium-ion battery cathodes' microstructure.

Source link: https://ui.adsabs.harvard.edu/abs/2022JPS...54831960A/abstract


Critical Review on cathode-electrolyte Interphase Toward High-Voltage Cathodes for Li-Ion Batteries

To separate the electrolytes from the active cathode materials and thus minimize side reactions, it's essential to develop a strong cathode electrode interphase for high-voltage cathode electrodes. This report, published in this issue, examines how CEI formation and compositions, state-of-art characterizations, and modeling associated with CEI, as well as how to produce solid CEI from a practical electrolyte design perspective.

Source link: https://ui.adsabs.harvard.edu/abs/2022NML....14..166X/abstract


Dependence of the constitution, microstructure and electrochemical behaviour of magnetron sputtered Li-Ni-Mn-Co-O thin film cathodes for lithium-ion batteries on the working gas pressure and annealing conditions

LiO 2 as a cathode material for lithium ion batteries exhibits good thermal stability, high reversible capacity, good rate capability, and improved environmental friendliness, as a cathode material for lithium ion batteries. Non-reactive r. f. Thin film cathodes in the material system Li-Ni-Co-O were deposited onto silicon and stainless steel substrates in this paper. A comprehensive study of the composition and microstructure was conducted to develop a detailed report on the composition and microstructure of a ceramic Li 1. 18 O 1. 97 target at different argon working gas pressures between 0. 2 Pa and 20 Pa. The results showed that the elemental composition changes in response to argon working gas pressures. The films had various grain orientations depending on argon working gas pressures. The degree of cation order in the films deposited at 0. 5 Pa and 7 Pa argon working gas pressure was increased by annealing in an argon/oxygen atmosphere at different pressures for one hour.

Source link: https://ui.adsabs.harvard.edu/abs/2017IJMR..108..879S/abstract


Evaluation of Material Analysis Methods for the Determination of the Composition of Blended Cathodes in Lithium-Ion Batteries

Any reports on quality-related microstructural characteristics of the electrode foils used for determining the consistency of the lithium-ion cells in the manufacturing process are often lacking in terms of precision and spatial resolution, and are often limited in terms of precision and spatial resolution. Not only the electrode's layer thickness and porosity, but also the delivery of the active materials within the electrode is important for the electrode's quality. For example, precision, desired effort, and spatial resolution can all be determined with various methods.

Source link: https://ui.adsabs.harvard.edu/abs/2020PrMet..57..176W/abstract


Rate-dependent electrochemical strain generation in composite iron phosphate cathodes in Li-ion batteries

This report explores rate-dependent mechanical deformations in the LiFePO 4 cathodes during battery cycling by synchronizing in situ digital image correlation and electrochemical methods. Cumulative irreversible strains have a linear relationship with the square root of cycling time, and the trend of cumulative irreversible strains is higher at faster rates. The study compares LiFePO 4 for Li-ion batteries with its related NaFePO 4 cathodes for Na-ion batteries, comparing irreversible strains in LiFePO 4 for Li-ion batteries. As the LiFePO 4 electrode undergoes greater strains per unit at faster rates, more strains per capacity are documented.

Source link: https://ui.adsabs.harvard.edu/abs/2022JMatR.tmp..212O/abstract


Quantitative comparison of different approaches for reconstructing the carbon-binder domain from tomographic image data of cathodes in lithium-ion batteries and its influence on electrochemical properties

However, reconstructing the CBD from tomographic image data obtained by synchrotron tomography is difficult. We examine three ways to divide 3D image files of two different cathodes into three phases, namely active material, CBD, and pores in this paper. We quantify the effect of the proposed segmentation techniques on morphological stability as well as the resulting outcomes by spatially-resolved transport simulations. This comparison clarifies the effect of a particular structurang technique on the 3D microstructure of cathodes.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220714389P/abstract


Atomic scale evolution of the surface chemistry in Li[Ni,Mn,Co]O2 cathode for Li-ion batteries stored in air

Layered LiMO2 cathode materials used for Li-ion batteries are said to be highly reactive on their surface, where the chemistry changes rapidly when exposed to ambient air. Here we use atom probe tomography and inspected the surface species created after exposure of a LiNi0. 8Mn0. 1Co0. 1O2 cathode powder to air to investigate the surface composition at the atomic scale.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220711979S/abstract

* 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