Ultrafine Sulfur Nanoparticles in Conducting Polymer Shell as Cathode Materials for High Performance Lithium/Sulfur Batteries
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作者:
Chen, Hongwei
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Chen, Hongwei
[1
,2
]
Dong, Weiling
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Dong, Weiling
[1
,3
]
Ge, Jun
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Ge, Jun
[1
]
Wang, Changhong
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Wang, Changhong
[1
,4
]
Wu, Xiaodong
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Wu, Xiaodong
[1
]
Lu, Wei
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Lu, Wei
[1
]
Chen, Liwei
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Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R ChinaChinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
Chen, Liwei
[1
]
机构:
[1] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion SINANO, i LAB, Suzhou 215123, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China
[4] Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China
We report the synthesis of ultrafine S nanoparticles with diameter 10 similar to 20 nm via a membrane-assisted precipitation technique. The S nanoparticles were then coated with conducting poly (3,4-ethylenedioxythiophene) (PEDOT) to form S/PEDOT core/shell nanoparticles. The ultrasmall size of S nanoparticles facilitates the electrical conduction and improves sulfur utilization. The encapsulation of conducting PEDOT shell restricts the polysulfides diffusion, alleviates self-discharging and the shuttle effect, and thus enhances the cycling stability. The resulting S/PEDOT core/shell nanoparticles show initial discharge capacity of 1117 mAh g(-1) and a stable capacity of 930 mAh g(-1) after 50 cycles.
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Bruce PG, 2012, NAT MATER, V11, P19, DOI [10.1038/nmat3191, 10.1038/NMAT3191]
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Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South KoreaKorea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Han, SC
Song, MS
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Song, MS
Lee, H
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Lee, H
Kim, HS
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Kim, HS
Ahn, HJ
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Ahn, HJ
Lee, JY
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
机构:
Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South KoreaKorea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Han, SC
Song, MS
论文数: 0引用数: 0
h-index: 0
机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Song, MS
Lee, H
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Lee, H
Kim, HS
论文数: 0引用数: 0
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Kim, HS
Ahn, HJ
论文数: 0引用数: 0
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
Ahn, HJ
Lee, JY
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机构:Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea