A High-Rate and Ultrastable Sodium Ion Anode Based on a Novel Sn4P3-P@Graphene Nanocomposite

Xu Yaolin; Peng Bo; Mulder Fokko M.

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A High-Rate and Ultrastable Sodium Ion Anode Based on a Novel Sn4P3-P@Graphene Nanocomposite

机译：基于新型Sn4P3-P @ Graphene纳米复合材料的高速，超稳定钠离子阳极

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Phosphorus and tin phosphide based materials that are extensively researched as the anode for Na-ion batteries mostly involve complexly synthesized and sophisticated nanocomposites limiting their commercial viability. This work reports a Sn4P3-P ( Sn: P = 1: 3) @graphene nanocomposite synthesized with a novel and facile mechanochemical method, which exhibits unrivalled high-rate capacity retentions of > 550 and 371 mA h g(-1) at 1 and 2 A g(-1), respectively, over 1000 cycles and achieves excellent rate capability (> 815, approximate to 585 and approximate to 315 mA h g(-1) at 0.1, 2, and 10 A g(-1), respectively).

机译：广泛研究作为钠离子电池阳极的磷和磷化锡基材料主要涉及复杂合成和复杂的纳米复合材料，从而限制了其商业可行性。这项工作报告了一种Sn4P3-P（Sn：P = 1：3）@石墨烯纳米复合物，它是用一种新颖而简便的机械化学方法合成的，在1和2时表现出无与伦比的高倍率容量保持率> 550和371 mA hg（-1）。在1000个周期内分别达到2 A g（-1），并在0.1、2和10 A g（-1）时分别具有出色的速率能力（> 815，分别约为585和315 mA hg（-1））。

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来源
《Advanced energy materials》 |2018年第3期|1701847.1-1701847.7|共7页
作者
Xu Yaolin; Peng Bo; Mulder Fokko M.;
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作者单位

Delft Univ Technol, Fac Sci Appl, Dept Chem Engn, MECS, Van der Maasweg 9, NL-2629 HZ Delft, Netherlands;

Delft Univ Technol, Fac Sci Appl, Dept Chem Engn, MECS, Van der Maasweg 9, NL-2629 HZ Delft, Netherlands|Renmin Univ China, Dept Phys, 59 Zhongguancun St, Beijing 100872, Peoples R China;

Delft Univ Technol, Fac Sci Appl, Dept Chem Engn, MECS, Van der Maasweg 9, NL-2629 HZ Delft, Netherlands;

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正文语种 eng
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nanocomposites; Na-ion batteries; phosphorus; tin phosphide;

机译：纳米复合材料;钠离子电池;磷;磷化锡;

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A High-Rate and Ultrastable Sodium Ion Anode Based on a Novel Sn4P3-P@Graphene Nanocomposite

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