Conformal Hollow Carbon Sphere Coated on Sn4P3 Microspheres as High-Rate and Cycle-Stable Anode Materials with Superior Sodium Storage Capability

2019 ◽  
Vol 2 (3) ◽  
pp. 1756-1764 ◽  
Author(s):  
Erzhuang Pan ◽  
Yuhong Jin ◽  
Chenchen Zhao ◽  
Miao Jia ◽  
Qianqian Chang ◽  
...  
2018 ◽  
Vol 6 (34) ◽  
pp. 16610-16616 ◽  
Author(s):  
Jianjun Song ◽  
Chaoyue Zhang ◽  
Xin Guo ◽  
Jinqiang Zhang ◽  
Linqu Luo ◽  
...  

Novel ultrathin hollow carbon spheres with a nonporous shell are employed as polysulfide reservoirs to improve the overall performance of Li-S batteries.


2018 ◽  
Vol 6 (27) ◽  
pp. 13164-13170 ◽  
Author(s):  
Sheng Chen ◽  
Yuanchao Pang ◽  
Jin Liang ◽  
Shujiang Ding

Unique ultrathin Na2Ti3O7 nanosheets on the surface of red blood cell-like hollow carbon sphere (RHCS) composites are fabricated as sodium-ion battery anodes.


Author(s):  
Maru Dessie Walle ◽  
You-Nian Liu

AbstractThe lithium–sulfur (Li–S) batteries are promising because of the high energy density, low cost, and natural abundance of sulfur material. Li–S batteries have suffered from severe capacity fading and poor cyclability, resulting in low sulfur utilization. Herein, S-DHCS/CNTs are synthesized by integration of a double-hollow carbon sphere (DHCS) with carbon nanotubes (CNTs), and the addition of sulfur in DHCS by melt impregnations. The proposed S-DHCS/CNTs can effectively confine sulfur and physically suppress the diffusion of polysulfides within the double-hollow structures. CNTs act as a conductive agent. S-DHCS/CNTs maintain the volume variations and accommodate high sulfur content 73 wt%. The designed S-DHCS/CNTs electrode with high sulfur loading (3.3 mg cm−2) and high areal capacity (5.6 mAh mg cm−2) shows a high initial specific capacity of 1709 mAh g−1 and maintains a reversible capacity of 730 mAh g−1 after 48 cycles at 0.2 C with high coulombic efficiency (100%). This work offers a fascinating strategy to design carbon-based material for high-performance lithium–sulfur batteries.


Kobunshi ◽  
1973 ◽  
Vol 22 (2) ◽  
pp. 87-91
Author(s):  
Kazuo KOBAYASHI

2017 ◽  
Vol 726 ◽  
pp. 466-473 ◽  
Author(s):  
Xiaoze Shi ◽  
Shuai Zhang ◽  
Xuecheng Chen ◽  
Tao Tang ◽  
Ewa Mijowska

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