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Carbon Anode Material - Astrophysics Data System

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Last Updated: 06 August 2022

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Investigation and Design of Soybean-Derived Carbon Anode Materials for Potassium-Ion Battery Applications

Lithium-ion battery systems are one of the most commonly used energy storage solutions in today's renewable energy sector. Alternative battery designs also appear to be getting more and more important as we continue to produce more effective LIBs. Potassium-ion batteries have piqued our interest among many newly reviewed battery designs, including Potassium-ion batteries. We herein created a high-performance hard carbon anode for PIBs using low-cost, abundant soybean base material and created a low-cost, abundant soybean. A thin layer of Al 2 O 3 coating was applied on the hard carbon by Atomic Layer Deposition to improve the anode's functionality, increasing the Coulombic efficiency from 99% to 96%, raising the Coulombic efficiency from 99. 0% to 99. 6%, which was further enhanced. We provided new insight into the manufacture and synthesis of carbonaceous materials with improved storage capacity and efficiency for future PIBs by investigating the correlation between electrochemical results, material interface, geometric form, and mechanism of potassium-ion storage.

Source link: https://ui.adsabs.harvard.edu/abs/2022ECSMA2022..535T/abstract


Si@C anode materials decorated with higher manganese silicides for enhanced rate capability and cycle stability

Partially alloying silicon with transition metals along with carbon coating is highly effective in improving cycle efficiency. The Si@HMS@C anodes have a significant increase in cycle efficiency and rate capability in comparison to the carbon coated silicon anode. para g -1. Since 400 cycles at 0. 4 A g -1, a reversible capacity of 1070 mAh g -1 is retained. The phase and morphology of HMS remain unchanged, according to the ex situ XRD results as well as microstructure analysis before and after cycle testing. During the initial irreversible side reaction of HMS or its derivatives induced by the initial irreversible side reaction of HMS with electrolyte, reversible redox reactions associating with Li's reaction with HMS or its derivatives have been reported.

Source link: https://ui.adsabs.harvard.edu/abs/2022ApSS..59253322L/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