High-specific-capacity MoS2/Mn2O3-nanometer-hollow-ball composite electrode material and preparing method and application thereof
A high specific capacity, composite electrode technology, applied in the direction of hybrid capacitor electrodes, hybrid/electric double layer capacitor manufacturing, etc., can solve the problems of easy agglomeration, short power time and difficult to achieve peeling effect, etc., to achieve strong capacitance performance, enhanced performance, The effect of simple preparation process
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Embodiment 1
[0033] First, ensure that the production area and equipment are clean and dry, and the utensils used are cleaned and disinfected.
[0034] Monolayer MoS with high specific capacity prepared in this example 2 / Mn 2 O 3 The method of nano hollow sphere composite electrode comprises the following steps:
[0035] (1) Three layers of Mn 2 O 3 Preparation of hollow spheres: the configuration density is 0.1155 g.ml -3 The sucrose aqueous solution was poured into a 150 mL polytetrafluoroethylene / stainless steel hydrothermal reactor according to the filling of 0.6, the reaction temperature was 190 °C, and the reaction time was 120 min. After the reaction kettle was cooled to room temperature, centrifugally washed with ethanol and water until the solution became transparent, and the precipitate was placed in a blast drying oven at 80 °C for drying for 12 h. (AC) 2 .4H 2 O aqueous solution, then add 0.6 g of carbon spheres to it, first ultrasonically and then stir until the solut...
Embodiment 2
[0039] The basic steps are the same as in Example 1, the difference is: the preparation of monolayer MoS 2 During the nanosheet process, MoS 2 The mass density of the NMP (nitrogen-methylpyrrolidone) dispersion was 2.5 mg / mL.
Embodiment 3
[0041] The basic steps are the same as in Example 1, the difference is: the preparation of monolayer MoS 2 During the nanosheet process, MoS 2 The mass density of the NMP (nitrogen-methylpyrrolidone) dispersion was 12.5 mg / mL.
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