Method for improving charge-discharge cycling capability through doping nano aluminum oxide and application
The invention discloses a method for improving the charge-discharge cycling capability through doping nano aluminum oxide and an application, and relates to the field of preparation of positive composite materials for lithium-sulfur batteries. Elemental sulfur and nano aluminum oxide are mixed evenl...
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| creator | JIN BEI LANG XINGYOU ZHAO MING XIN PEIMING WANG YUE GAO WANG ZHU YONGFU WEN ZI YANG CHUNCHENG JIANG QING LI JIANCHEN |
| description | The invention discloses a method for improving the charge-discharge cycling capability through doping nano aluminum oxide and an application, and relates to the field of preparation of positive composite materials for lithium-sulfur batteries. Elemental sulfur and nano aluminum oxide are mixed evenly; and the nano aluminum oxide coats the surface of the elemental sulfur to form a stable composite material. The selected elemental sulfur is mixed with the nano aluminum oxide at a certain ratio; and then ball-milling and melting diffusion are carried out to obtain the sulfur/nano aluminum oxide composite material. By the method, the sulfur/nano aluminum oxide composite material with excellent electrochemical properties can be prepared; the synthesis method is simple; the energy consumption is low; the controllability is good; the yield is high; the cost is low; and the method is suitable for massive production. The invention further discloses the application of the sulfur/nano aluminum oxide composite material. |
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Elemental sulfur and nano aluminum oxide are mixed evenly; and the nano aluminum oxide coats the surface of the elemental sulfur to form a stable composite material. The selected elemental sulfur is mixed with the nano aluminum oxide at a certain ratio; and then ball-milling and melting diffusion are carried out to obtain the sulfur/nano aluminum oxide composite material. By the method, the sulfur/nano aluminum oxide composite material with excellent electrochemical properties can be prepared; the synthesis method is simple; the energy consumption is low; the controllability is good; the yield is high; the cost is low; and the method is suitable for massive production. 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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES NANOTECHNOLOGY PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING |
| title | Method for improving charge-discharge cycling capability through doping nano aluminum oxide and application |
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