globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.01.021
论文题名:
High loading cotton cellulose-based aerogel self-standing electrode for Li-S batteries
作者: Mao H.; Liu L.; Shi L.; Wu H.; Lang J.; Wang K.; Zhu T.; Gao Y.; Sun Z.; Zhao J.; Gao G.; Zhang D.; Yan W.; Ding S.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:10
起始页码: 803
结束页码: 811
语种: 英语
中文关键词: Cellulose-based graphene aerogel ; High sulfur loading ; Lithium-sulfur battery ; Pulse sensing ; Self-standing electrode
英文关键词: Aerogels ; Carbon carbon composites ; Cellulose ; Electrodes ; Electrolytes ; Graphene ; Lithium batteries ; Lithium compounds ; Graphene aerogels ; High energy densities ; Large specific surface areas ; Pulse sensing ; Self standings ; Sensing applications ; Sulfur loading ; Utilization efficiency ; Lithium sulfur batteries
英文摘要: Lithium-sulfur (Li-S) batteries have attracted considerable attention due to their high energy density (2600 Wh kg−1). However, its commercialization is hindered seriously by the low loading and utilization rate of sulfur cathodes. Herein, we designed the cellulose-based graphene carbon composite aerogel (CCA) self-standing electrode to enhance the performance of Li-S batteries. The CCA contributes to the mass loading and utilization efficiency of sulfur, because of its unique physical structure: low density (0.018 g cm−3), large specific surface area (657.85 m2 g−1), high porosity (96%), and remarkable electrolyte adsorption (42.25 times). Compared to Al (about 49%), the CCA displayed excellent sulfur use efficiency (86%) and could reach to high area capacity of 8.60 mAh cm−2 with 9.11 mg S loading. Meanwhile, the CCA exhibits the excellent potential for pulse sensing applications due to its flexibility and superior sensitivity to electrical response signals. © 2020 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170005
Appears in Collections:气候变化与战略

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作者单位: Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710049, China; Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China

Recommended Citation:
Mao H.,Liu L.,Shi L.,et al. High loading cotton cellulose-based aerogel self-standing electrode for Li-S batteries[J]. Science Bulletin,2020-01-01,65(10)
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