Research Progress on Preparation of Ultrafine Platinum and Its Composite Powder by Liquid Phase Method
Platinum and its composite powder are widely used in electronic information,energy,automotive and other high-end manufacturing fields,due to its unique performance.With the high-quality and rapid development of Chinese advanced equipment manufacturing industry,higher requirements are put forward for the performance of platinum and its composite powder,and the demand for dosage is increasing.In this paper,the most widely used liquid phase method for preparing platinum and its composite powder at home and abroad is reviewed.The research progress of sol-gel method,hydrothermal method,microemulsion method and liquid phase chemical reduction method for preparing platinum and its composite powder is summarized,and the advantages and problems of various method in the process of preparing precious metal powder are also summarized.The development direction of efficient preparation of platinum and other precious metals ultrafine powders is prospected.