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Cathode Material - Crossref

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Last Updated: 27 September 2022

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A Monitoring Method Based on FDALM and Its Application in the Sintering Process of Ternary Cathode Material

The combination of raw material and the manufacturing environment are both difficult and changeable in industrial processes, resulting in the production process having multiple stable states. An improved affine propagation clustering algorithm to determine the model modal factors is introduced, and the FDALM is constructed by combining several high-order hidden state Markov chains using the factor modeling approach. The Lagrange multiplier formula is also developed to increase the factor coefficients by using the factor constraints in the calculation. In addition, the online Bayesian inference has been used to combine the results of various factor types and determine the likelihood of the fault posterior probability, which can enhance the model's overall monitoring quality. The error detection rate and false alarm rate of this procedure are clearly enhanced relative to the previous methods.

Source link: https://doi.org/10.3390/s22197203


Hydrogen reduction of spent lithium-ion battery cathode material for metal recovery: Mechanism and kinetics

Using simultaneous thermogravimetric and differential thermal analysis equipped with mass spectrometry, non-isothermal and isothermal reduction experiments were carried out to determine the hydrogen reduction kinetics' temperature dependence. The hydrogen reduction process could be divided into three key stages: decomposition of cathode powder, reduction of resultant nickel and cobalt oxides, and reduction of LiMnO 2 and cobalt oxides could be divided into three key stages: decomposition of cathode nitrite and cobalt oxides. With increasing temperature, the hydrogen reduction rate would rise, and 800u00b0C was the optimum temperature for separating the magnetic Ni-Co alloy from the non-magnetic manganese oxide particles.

Source link: https://doi.org/10.3389/fchem.2022.1019493


Preparation of Nanocomposite GDC/LSCF Cathode Material for IT-SOFC by RF Induction Plasma Spraying

Abstract By axial injection of a solution, homogenous mixtures of Ce0. 8Gd0. 2O1. 9 and La0. 6Sr0. 4Fe0. 8O3 nanopowders were successfully synthesized using radio frequency induction plasma by a meter. The particles are almost globular in size, with a diameter less than 100 nm and BET specific areas around 20 meters2/g. In addition, suspensions, made from the composite nanopowders and ethanol, were used to deposit some cathode coatings using suspension plasma spray technology.

Source link: https://doi.org/10.31399/asm.cp.itsc2010p0884


P2-type layered high-entropy oxides as sodium-ion cathode materials

Abstract P2-type layered oxides with the general Na-defic material Na x TMO 2 form a promising class of cathode materials for sodium-ion batteries. However, P2 conversion from P2 to O2 system, which occurs above 4. 2 V, and metal dissolution at low potentials on discharge results in rapid capacity degradation. According to Na 0. 67 O 2, Na 0. 67 O 2, Na 0. 67 O 2, Na 0. 67 O 2, Na 0. 67 O 2, and Na 0. 67 O 2, respectively, three different layered P2-type oxide oxides were synthesized by solid-state chemistry, Na 0. 67 O 2, Na 0. 67 O 2, Na 0. 67 O 2, Na 0. 67 O 2, and Na 0. 67 O 2, respectively, with low, entropy.

Source link: https://doi.org/10.1088/2752-5724/ac8ab9


Revealing the phase evolution in Fe-based polyanionic cathode materials for low-cost and high-performance sodium-ion batteries: the case of Na4FexP4O12+x (2≤x≤4)

Abstract Fe-based polyanionic materials are one of the most popular cathode materials for practical sodium-ion batteries due to their richness, low cost, and excellent electrochemical results. These Na 4 Fe x P 4 O 12 + x materials, including Na 2 FeP 2 O 7, Na 4 Fe 3 2 O 7, and NaFePO 4, are also missing, making it impossible to synthesize these materials with pure phase and excellent electrochemical stability, making it difficult to synthesize these materials with pure phase and optimal electrochemical stability, despite major achievements. The pouch cells made with the NFPP cathode and hard carbon anode show excellent rate stability, superior low-temperature stability, high over-discharge endurance, and good cycling stability.

Source link: https://doi.org/10.21203/rs.3.rs-1949935/v1


Recent Advances of Transition Metal Chalcogenides as Cathode Materials for Aqueous Zinc-Ion Batteries

Advances in lithium-ion batteries have pushed lithium-ion battery research to the forefront in recent years. Zinc ion batteries have attracted a lot of attention due to their low cost, high capacity, and non-toxic characteristics. Lastly, we discuss the challenges and future of cathode materials for high-energy AZIBs.

Source link: https://doi.org/10.3390/nano12193298


Comparative Analysis of LiMPO4 (M = Fe, Co, Cr, Mn, V) as Cathode Materials for Lithium-Ion Battery Applications—A First-Principle-Based Theoretical Approach

The olivine lithium-metal phosphates are one of the most promising candidates for cathode-electrode engineering, with increasing demand for energy storage consistently fueling the discovery of new Li-ion battery phosphates, where the olivine lithium-metal phosphates are considered one of the most promising candidates for cathode-electrode designs. The results reveal that the metal atom's specification directly influences Li diffusion across the olivine structure and various LiMPO4's overall energetics.

Source link: https://doi.org/10.3390/nano12193266


A Minireview on the Regeneration of NCM Cathode Material Directly from Spent Lithium-Ion Batteries with Different Cathode Chemistries

The bulk of studies on lithium-ion battery recycling laid solely on recovering target metals, such as Co, Ni, and Li, from the cathode materials, or how to recycle spent LIBs by conventional means. Nevertheless, no of the current reviews of regenerating lithium nickel manganese cobalt oxide cathode materials from spent LIBs other than NCM cathodes, but rather than NCM cathodes, LiMn2O4, etc. This article explores the strategies and methods for regenerating LiNixCoyMnzO2 cathode active materials directly from various commonly used and different types of mixed-cathode materials. The article discusses the various methods and methods used to extract LiNixCothode active materials directly from some specific cathode powders and empty spent LIBs without proper separation.

Source link: https://doi.org/10.3390/inorganics10090141


Redox Evolution of Li-Rich Layered Cathode Materials

Following the redox reaction of reversible oxygen redox reaction, we explore the general redox evolution of Li-rich layered cathodes. Cathodes of Li-rich 3d/4d/5d alloy cathodes are discussed from case to case. The case-by-case redox evolution of Li-rich 3d/4d/5d transition metal O3 type layered cathodes are discussed. Not only the type of transition metals, but also the composition of transition metals plays a significant role in redox behavior. To inspire the full energy potential of Li-rich layered cathodes, we recommend further research into the fundamentals of cationic and anionic redox mixing as well as the effect of transition metals on redox behaviour.

Source link: https://doi.org/10.3390/batteries8100132


A Perspective on Sulfur-Equivalent Cathode Materials for Lithium-Sulfur Batteries

Through a direct solid-solid conversion pathway, sulfur-equivalent materials based on covalently bonded sulfur opens a new way to produce polysulfide-free lithium-sulfur batteries. They are also able to replace the highly volatile ether electrolytes with commercially more reliable carbonate electrolytes. As three specific types of sulfur-equivalent cathode materials, sulfurized carbons, sulfurized polymers, and metal polysulfides have appeared, with promising potentials to solve elemental sulfur cathode toxicity and allow truly high-density lithium-sulfur batteries.

Source link: https://doi.org/10.54227/elab.20220003

* 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