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- W4239924809 abstract "The increase in the demand for clean and sustainable energy has prompted intense effort towards the realization of high-performance energy storage technologies. Among the many available energy storage technologies, lithium(Li)-ion batteries with Li-intercalation compounds as positive electrodes have achieved great success for use in portable electronic devices [1, 2]. A typical rechargeable Li-ion battery requires heavy host compounds (e.g., CoO2) to accommodate guest atoms (e.g., Li), which greatly limits its energy density to less than 210 Wh kg-1. On the other hand, a Li-sulfur (S) battery as a typical integration reaction battery system [4] may open a new horizon for electric vehicles. As the sulfur cathode has a theoretical specific capacity of 1672 mAh g-1, a Li-S battery can achieve an energy density of 2654 Wh kg-1when combined with a lithium metal anode, which is 3-5-fold higher than those of current Li-ion batteries [5]. In addition, sulfur is a highly abundant element source on earth and is not geographically isolated [6], which may reduce the cost of cathode materials. However, Li-S batteries have serious problems [7-9], including low utilization of the active material and a poor cycle life because of the insulating property of sulfur and the high solubility of lithium polysulfides in organic electrolytes. To overcome the above-mentioned problems, much effort has been devoted to designing S-based cathodes, thus far. Various elegantly designed carbons have been studied for use as sulfur hosts to enhance the electronic conductivity of sulfur and trap polysulfides within a carbon framework simultaneously. However, carbon is an electrochemically inactive material in the integration reaction of Li-S batteries, and therefore its quantity in the electrode should be reduced as much as possible." @default.
- W4239924809 created "2022-05-12" @default.
- W4239924809 date "2016-01-01" @default.
- W4239924809 modified "2023-09-26" @default.
- W4239924809 title "Electrochemical Properties of Porous V2O5/Sulfur/Carbon Composite Electrode Prepared Using a Combination of Aerosol and Powder Technologies" @default.
- W4239924809 doi "https://doi.org/10.1149/ma2016-02/1/153" @default.
- W4239924809 hasPublicationYear "2016" @default.
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