第 49 卷第 6 期 |  | Vol. 49 No. 6 | 2019 年 12 月 | Dec 2019 |
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所屬欄目:功能材料
源自于多巴胺包裹普魯士藍類(lèi)似物的雙殼層碳包裹的NiFe合金納米顆粒用于高效鋰硫電池 |
田 姣,酒紅芳*,徐倩文,衛 郝,孫 瑜,李希雅
(中北大學(xué) 理學(xué)院,山西 太原 030051) |
摘 要:通過(guò)老化、煅燒以及熔融擴散法合成了NiFe@C@S復合材料,使用XRD、拉曼、紅外以及熱重對樣品的形貌、結構和載硫量進(jìn)行分析,并將其用于鋰硫電池進(jìn)行電化學(xué)性能研究,結果表明,復合材料中含硫量約66.26%,在0.1C和0.5C電流密度下,復合電極均表現出了良好的循環(huán)穩定性和高庫倫效率 |
關(guān)鍵詞:NiFe@C@S;鋰硫電池;核殼;電化學(xué)性能 |
中圖分類(lèi)號:TB333 文獻標識碼:A 文章編號:1009-9212(2019)06-0058-06 |
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Double-shell Carbon-coated NiFe Alloy Nanoparticles Derived from Dopamine-coated Prussian Blue Analogues for High-efficiency Lithium-sulfur Batteries |
TIAN jiao, JIU Hong-fang*, XU Qian-wen, WEI Hao, SUN Yu, LI Xi-ya
(School of Science, North University of China, Taiyuan 030051, China) |
Abstract:NiFe @ C @ S composites were synthesized by aging, calcination and melt diffusion methods. XRD, Raman, infrared and thermogravimetry were used to analyze the morphology, structure and sulfur loading of the samples. It was also tested the electrochemical performance in assembled lithium-sulfur batteries. The results showed that the sulfur content of the composite material reached about 66.26%, and the composite electrode showed good cycle stability and high Coulomb efficiency at both 0.1C and 0.5C current densities. |
Key words:NiFe@C@S; lithium-sulfur battery; core-shell; electrochemical performance |
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基金項目:中北大學(xué)理學(xué)院研究生創(chuàng )新項目基金。
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作者簡(jiǎn)介:田 姣(1993-),女,山西臨汾人,碩士研究生,研究方向:鋰硫電池電極材料(E-mail:173162764@qq.com)。
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聯(lián) 系 人:酒紅芳,教授,研究方向:無(wú)機納米功能復合材料(E-mail:hongfangjiu@163.com)
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收稿日期:2019-12-01
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