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What are the different methods for synthesizing cobalt sulfide? 


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There are several methods for synthesizing cobalt sulfide. One method involves self-growing a cobalt-based precursor on foamed nickel through a hydrothermal method, followed by ion exchange to prepare the cobalt-based sulfide nano-rod array . Another method includes generating a first solution by dissolving cobalt acetate hydrate and nickel acetate hydrate in deionized water, and then subjecting the resulting product to sulfidation and phosphidation . A different approach involves preparing cobalt sulfide catalysts with metal-organic frameworks (MOFs) as substrates, using in-situ sulfurization and adjusting calcination times and atmospheres . Additionally, a method for synthesizing cobalt disulfide powder involves dissolving ethylenediamine tetraacetic acid disodium salt in deionized water, adding cobaltous sulfate and sodium thiosulfate, adjusting the pH value, and performing a reaction at high temperature . Lastly, hydrothermal reaction on inorganic acid cobalt salt and cysteine in a solvent system can be used to prepare cobalt sulfide with controlled micro shapes, such as petals and spherical particles .

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The paper only discusses one method for synthesizing cobalt disulfide powder, which involves dissolving cobaltous sulfate and sodium thiosulfate in a solution and adjusting the pH value before performing a reaction at high temperature.
The paper provides a hydrothermal reaction method for synthesizing cobalt sulfide using inorganic acid cobalt salt and cysteine in a solvent system.
The paper describes a method for preparing cobalt sulfide catalyst with MOF as a substrate. It does not mention any other methods for synthesizing cobalt sulfide.
The paper does not provide information about different methods for synthesizing cobalt sulfide.
The paper does not provide information about different methods for synthesizing cobalt sulfide.

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