NIMTE OpenIR  > 2017专题
Clustered-Microcapsule-Shaped Microporous Carbon-Coated Sulfur Composite Synthesized via in Situ Oxidation
Wang, Qian; Liu, Honghong; Li, Rongrong; Yang, Minghui; Wang, Zhen-Bo; Zhang, Limei; Li, Chao; Gu, Da-Ming
2017
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号9期号:51页码:44512-44518
摘要Hollow materials as sulfur hosts have been intensively investigated to address the poor cycling stabilities of Li-S batteries. Herein, we report an enhanced hollow framework to improve the applicability of the sulfur confinement. A clustered-microcapsule-shaped microporous carbon coated sulfur (CM-S@MPC) composite is prepared from the clustered zinc sulfide precursor, through an in situ oxidation process. The high specific surface area and the in situ preparation guarantee the uniform distribution of sulfur inside the carbon microcapsule, even under a higher sulfur content of 83 wt %. In addition, the interconnected frame constructed by the stacking of carbon microcapsules also mitigates the lithium polysulfide loss by setting interlayered hurdles on their pathway along the outward diffusion. Hence, these enable a full demonstration of excellent cycling stability, compared to the control sample obtained via physical sulfur infiltration. The outstanding decay rate of 0.039% per cycle is achieved during 700 cycles at 1 C, even under high sulfur loading.
关键词Li-s Batteries Lithium-ion Batteries High-performance Hollow Carbon Metal-oxide Polysulfide Mediator Spheres Shell Nanocages Cathodes
学科领域Polymer Science
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17481
专题2017专题
推荐引用方式
GB/T 7714
Wang, Qian,Liu, Honghong,Li, Rongrong,et al. Clustered-Microcapsule-Shaped Microporous Carbon-Coated Sulfur Composite Synthesized via in Situ Oxidation[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(51):44512-44518.
APA Wang, Qian.,Liu, Honghong.,Li, Rongrong.,Yang, Minghui.,Wang, Zhen-Bo.,...&Gu, Da-Ming.(2017).Clustered-Microcapsule-Shaped Microporous Carbon-Coated Sulfur Composite Synthesized via in Situ Oxidation.ACS APPLIED MATERIALS & INTERFACES,9(51),44512-44518.
MLA Wang, Qian,et al."Clustered-Microcapsule-Shaped Microporous Carbon-Coated Sulfur Composite Synthesized via in Situ Oxidation".ACS APPLIED MATERIALS & INTERFACES 9.51(2017):44512-44518.
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