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Hybrid ZnSe-SnSe2 Nanoparticles Embedded in N-doped Carbon Nanocube Heterostructures with Enhanced and Ultra-stable Lithium-Storage Performance
ChemElectroChem ( IF 4 ) Pub Date : 2021-08-13 , DOI: 10.1002/celc.202100846
Litao Yu 1 , Kyung Su Kim 1 , Ghuzanfar Saeed 1 , Jun Kang 2 , Kwang Ho Kim 3
Affiliation  

Hybrid ZnSe-SnSe2 nanoparticles embedded in N-doped carbon nanocubes (ZSS⊂NCNs) are synthesized by a facile nucleation assembly, carbon coating, and in situ selenation route. For lithium-ion-battery half-cells, the uniform ZSS⊂NCN materials display a high initial coulombic efficiency of 81.9 %, an increased capacity of 846.6 mA h g−1 at 0.2 A g−1 after 100 cycles, and an excellent rate capability (414.1 mA h g−1 at 5 A g−1). The ZSS⊂NCNs//LiMn2O4 full cells also present excellent electrochemical properties.
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中文翻译:

嵌入具有增强和超稳定锂存储性能的 N 掺杂碳纳米立方体异质结构中的混合 ZnSe-SnSe2 纳米颗粒

嵌入在 N 掺杂碳纳米立方体 (ZSS⊂NCN) 中的杂化 ZnSe-SnSe 2纳米粒子是通过简单的成核组装、碳涂层和原位硒化途径合成的。对于锂离子电池半电池,均匀的 ZSS⊂NCN 材料显示出 81.9 % 的高初始库仑效率,100 次循环后在 0.2 A g -1 时容量增加了 846.6 mAh g -1,并且具有出色的倍率性能(414.1 mA hg -1在 5 A g -1)。ZSS⊂NCNs//LiMn 2 O 4全电池也表现出优异的电化学性能。
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更新日期:2021-08-13
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