Preparation method of lithium-ion battery negative electrode molybdenum disulfide and application thereof
A lithium-ion battery, molybdenum disulfide technology, applied in electrode manufacturing, battery electrodes, secondary batteries, etc., can solve problems such as reducing the efficiency of molybdenum disulfide, and achieve the effects of short time, multiple electron propagation channels, and strong practicability
Inactive Publication Date: 2018-01-12
JIANGHAN UNIVERSITY
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Abstract
The invention discloses a preparation method of lithium-ion battery negative electrode molybdenum disulfide and the application thereof. The preparation method comprises the following steps: mixing sodium molybdate dehydrate, thiourea, water and diethylene glycol to carry out a hydrothermal reaction, separating the product after the hydrothermal reaction, performing calcination treatment on the separated solids in argon-hydrogen mixed gas, and finally cooling to a room temperature, so as to obtain the lithium-ion battery negative electrode material molybdenum disulfide. According to the preparation method disclosed by the invention, the hydrolysis rate of the thiourea is reduced by adding the diethylene glycol, so that the aim of controlling the reaction rate of sodium molybdate is achieved. Two-dimensional molybdenum disulfide nanosheets are assembled into a three-dimensional layered flower structure, so that the specific advantages of the molybdenum disulfide can be preserved, the condition that the molybdenum disulfide is irreversibly overlapped can be avoided, and a larger contact area is provided.
Application Domain
Electrode manufacturing processesSecondary cells
Technology Topic
Sodium Molybdate DihydrateChemistry +18
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