Controllable synthesis and energy storage application of a cake-like sulfur-based compound composite
A composite material and nucleating agent technology, applied in the fields of nanotechnology, electrochemical generators, nanotechnology, etc. for materials and surface science, can solve the problems of low voltage platform, unsatisfactory demand, high reversible capacity, and achieve promotion The effect of improvement, low synthesis cost and low energy consumption
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[0032] (1) the ferric chloride of 2mmol is dissolved in the high-purity water of 35mL, the nucleating agent 2mmol is also dissolved in the high-purity water of 35mL, the solution of iron salt is added drop by drop to the solution containing the nucleating agent subsequently, stir, Then, the cake-like Fe was obtained by hydrothermal reaction at 180 °C for 12 h. 2 O 3 Precursor;
[0033] (2) the cake-like Fe obtained in step (1) 2 O 3 The precursor is placed in a Tris buffer solution of pH=10, then dopamine hydrochloride is added, and the mass ratio of the precursor and dopamine hydrochloride is 2:1 reagent, and the reaction is carried out at room temperature, and the obtained black solid is washed and dried to obtain Fe 2 O 3 / polydopamine intermediate;
[0034] (3) Fe of step (2) gained 2 O 3 / The polydopamine intermediate is placed at one end of the porcelain boat, and the sulfur source is placed at the other end of the porcelain boat, wherein the sulfur source and Fe...
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