The lithium-ion battery is subject to the limited theoretical specific capacity of electrode materials, which is difficult to achieve capacity breakthrough. However, the theoretical specific capacity of the sulfur cathode for lithium-sulfur battery is 1675 mAh g(-1) and the energy density is 2600 Wh kg(-1). However, lithium-sulfur batteries suffer from three problems: "shuttle effect," sulfur electron/ion insulation, and volume expansion. Moreover, the carbon materials or metal sulfides alone cannot achieve the dual effects of excellent conductivity and chemisorption as sulfur carriers. Therefore, 350 nm and 1 mu m of polyhedron with mesoporous carbon and Co3S4 were prepared (denoted as C/Co3S4@S (S) for the small one and C/Co3S4@S (L) for the large one, respectively) using PVP modified self-assembled Co-MOFs as a sacrificial template. The C/Co3S4 (S) carrier provided a sulfur-filled channel, and shortened the electron transport path with excellent conductivity. Simultaneously, the polar Co3S4 chemisorption of polysulfide and hollow structure provided a sufficient storage for sulfur. As the cathode of lithium-sulfur battery, C/Co3S4@S (S) exhibited an initial capacity of 1153 mAh g(-1) at 0.5 C, and the capacity decay rate per cycle is only 0.057% during 500 cycles at 1 C, compared to 1 mu m C/Co3S4@S (L) efficiently improved the cycle stability.
机构:
Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Zeng, Ke
Chen, Wansong
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Chen, Wansong
Mustapha, Abdulhadi
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Mustapha, Abdulhadi
Li, Yajuan
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Cent S Univ, Hunan Prov Key Lab Chem Power Sources, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Li, Yajuan
Liu, You-Nian
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Jian, Meipeng
Liu, Bao
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Liu, Bao
Liu, Ruiping
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Liu, Ruiping
Qu, Jiuhui
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Qu, Jiuhui
Wang, Huanting
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Monash Univ, Dept Chem Engn, Clayton, Vic 3800, AustraliaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Wang, Huanting
Zhang, Xiwang
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Monash Univ, Dept Chem Engn, Clayton, Vic 3800, AustraliaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Zeng, Ke
Chen, Wansong
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Chen, Wansong
Mustapha, Abdulhadi
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Mustapha, Abdulhadi
Li, Yajuan
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Cent S Univ, Hunan Prov Key Lab Chem Power Sources, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
Li, Yajuan
Liu, You-Nian
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Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Jian, Meipeng
Liu, Bao
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机构:
Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Liu, Bao
Liu, Ruiping
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Liu, Ruiping
Qu, Jiuhui
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Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Qu, Jiuhui
Wang, Huanting
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h-index: 0
机构:
Monash Univ, Dept Chem Engn, Clayton, Vic 3800, AustraliaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Wang, Huanting
Zhang, Xiwang
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Monash Univ, Dept Chem Engn, Clayton, Vic 3800, AustraliaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China