Chrysanthemum-like Bi2S3 nanostructures: A promising anode material for lithium-ion batteries and sodium-ion batteries

Chrysanthemum-like Bi2S3 nanostructures: A promising anode material for lithium-ion batteries and sodium-ion batteries
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菊花状Bi2S3纳米结构:一种有前途的锂离子电池和钠离子电池负极材料

DOI:
10.1016/j.jallcom.2017.05.008
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发表时间:
2017-08
影响因子:
6.2
通讯作者:
Liang Shuquan
Liang Shuquan
中科院分区:
材料科学2区
文献类型:
--
作者:
Liu Sainan;Cai Zhenyang;Zhou Jiang;Pan Anqiang;Liang Shuquan

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报道了一种新型菊花状Bi2S3纳米结构的合成,作为锂、钠储存的高性能负极材料。在锂离子电池应用中,菊花状的Bi2S3纳米结构具有高的放电容量、优异的倍率性能和长期的循环稳定性。令人惊叹的是,它表现出优越的循环稳定性,∼在300次循环后容量损失2%,高容量480mA/g−1保持不变。与之前报道的Bi2S3基材料相比,性能有了很大的提高。最重要的是,菊花状的Bi2S3在钠离子电池中表现出了良好的电化学性能。它表现出良好的循环稳定性,0.5A下稳定容量为437 mA/g−1,250次循环以上,并具有出色的高倍率能力。这项工作将引起人们对该材料的更多关注,并进一步提高其性能,以加快其作为未来钠离子电池负极的实际应用。
We report the synthesis of novel chrysanthemum-like Bi2S3nanostructures as a high-performance anode material for lithium and sodium storage. For lithium ion batteries application, the chrysanthemum-like Bi2S3nanostructures demonstrate high discharge capacity, excellent rate performance and long-term cycling stability. Amazingly, it exhibits superior cycling stability of ∼2% capacity loss after 300 cycles with high capacity of 480 mA g−1remained. The performance is highly improved when compared to the previous reported results of Bi2S3-based materials. Most importantly, the chrysanthemum-like Bi2S3demonstrates good electrochemical properties for sodium ion batteries application. It displays good cycling stability with a stable capacity of 437 mA h g−1over 250 cycles at 0.5 A g−1and excellent high-rate capability. This work will attract more attention to this material, with further improving its performance to speed up its practical use as anode for future Na-ion batteries.
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