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Controlled synthesis of carbon-coated cobalt sulfide nanostructures in oil phase with enhanced Li storage performances

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Controlled synthesis of carbon-coated cobalt sulfide nanostructures in oil phase with enhanced Li storage performances
นักวิจัย : Shi, Wenhui , Zhu, Jixin , Rui, Xianhong , Cao, Xiehong , Chen, Charlottle , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Shi, W., Zhu, J., Rui, X., Cao, X., Chen, C., Zhang, H., et al. (2012). Controlled Synthesis of Carbon-Coated Cobalt Sulfide Nanostructures in Oil Phase with Enhanced Li Storage Performances. ACS Applied Materials & Interfaces, 4(6), 2999-3006. , 1944-8244 , http://hdl.handle.net/10220/10263 , http://dx.doi.org/10.1021/am3003654
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : ACS applied materials & interfaces
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

A novel solvothermal process was developed for the synthesis of carbon-coated Co9S8 nanodandelions using 1-dodecanethiol as the sulfur source and the soft template. Replacing 1-dodecanethiol with sulfur powder as the sulfur source leads to the formation of 20 nm Co9S8 nanoparticles without carbon coating. When tested as LIB anode, the C@Co9S8 dandelion delivers a specific capacity of 520 mA h g–1 at a current density of 1 A g–1 (1.8 C) during the 50th cycle, which is much higher than that of Co9S8 nanoparticles (e.g. 338 mA h g–1). Furthermore, the C@Co9S8 dandelion also exhibits excellent high C-rate performance, e.g., depicts a 10th-cycle capacity of 373 mA h g–1 at a current density of 6 A g–1 (10.9 C), which is better than that of many reported anode materials. Such synthesis approach is attractive for the preparation of sulfide anode materials with high Li storage properties.

บรรณานุกรม :
Shi, Wenhui , Zhu, Jixin , Rui, Xianhong , Cao, Xiehong , Chen, Charlottle , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . (2555). Controlled synthesis of carbon-coated cobalt sulfide nanostructures in oil phase with enhanced Li storage performances.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Shi, Wenhui , Zhu, Jixin , Rui, Xianhong , Cao, Xiehong , Chen, Charlottle , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . 2555. "Controlled synthesis of carbon-coated cobalt sulfide nanostructures in oil phase with enhanced Li storage performances".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Shi, Wenhui , Zhu, Jixin , Rui, Xianhong , Cao, Xiehong , Chen, Charlottle , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . "Controlled synthesis of carbon-coated cobalt sulfide nanostructures in oil phase with enhanced Li storage performances."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Shi, Wenhui , Zhu, Jixin , Rui, Xianhong , Cao, Xiehong , Chen, Charlottle , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . Controlled synthesis of carbon-coated cobalt sulfide nanostructures in oil phase with enhanced Li storage performances. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.