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Enhanced electrochemical properties of cellular CoPS@C nanocomposites for HER, OER and Li-ion batteries

机译:用于HER,OER和锂离子电池的蜂窝状CoPS @ C纳米复合材料的增强电化学性能

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Cellular CoPS@C nanocomposites were successfully synthesized via a facile two-steps route. The performances of the CoPS@C electrode as a non-noble metal electrocatalyst for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) show good activity. On the other hand, the electrochemical investigation of CoPS systems for lithium ion batteries (LIBs) is reported for the first time. The CoPS@C nanocomposite as a novel anode can maintain a capacity of about 713?mA h g ~(?1) after 50 cycles at a current density of 0.2 A g ~(?1) , indicating its potential applications in lithium storage. Test results also demonstrate that the CoPS@C nanocomposite exhibit more excellent HER, OER and Li storage performances compared to the bulk CoPS sample.
机译:通过便捷的两步法成功地合成了细胞CoPS @ C纳米复合材料。 CoPS @ C电极作为用于氢气析出反应(HER)和氧气析出反应(OER)的非贵金属电催化剂的性能表现出良好的活性。另一方面,首次报道了用于锂离子电池(LIB)的CoPS系统的电化学研究。作为新型阳极的CoPS @ C纳米复合材料在电流密度为0.2 A g〜(?1)50次后,可以保持约713?mA h g〜(?1)的容量,表明其在锂存储中的潜在应用。测试结果还表明,与散装CoPS样品相比,CoPS @ C纳米复合材料表现出更优异的HER,OER和Li储存性能。

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