Platinum/platinum dichloride composite material having cubic crystal structure, and nonlinear synthesis method and application thereof

Abstract

The invention relates to a platinum / platinum dichloride composite material having a cubic crystal structure, and a nonlinear synthesis method and an application thereof. The method comprises the following steps: S1, reacting p-nitrophenol, sodium bromate and sulfuric acid at room temperature, and recording the chemical oscillation reaction by using an open circuit-time curve; and S2, adding a platinum dichloride raw material to the system at one time in the reaction process, taking out a reaction solution obtained after the reaction finished, centrifuging the reaction solution, and cleaning the obtained reaction product to obtain the platinum / platinum dichloride catalysis composite material having the cubic crystal structure. The preparation method innovatively combines nonlinear chemicaloscillation with the preparation of noble metals to obtain the platinum / platinum dichloride catalysis composite material having the cubic crystal structure, with an excellent hydrogen production performance, and the platinum / platinum dichloride catalysis composite material having the cubic crystal structure can be used in the field of water electrolysis for water production, and has a good application prospect and a good industrialization potential.

Description

technical field [0001] The invention provides a composite material and its preparation method and application, more specifically, it provides a platinum / platinum dichloride composite material with a cubic crystal structure that can be used for hydrogen production by electrolysis of water, and its nonlinear synthesis method and application. It belongs to the field of inorganic functional materials. Background technique [0002] With more and more environmental problems and non-renewable fossil fuels, it is urgent to develop new technologies to replace energy conversion and storage devices such as solar cells, lithium-ion batteries, supercapacitors and fuel cells to solve the energy crisis. Recently, researchers have pinned their hopes on the development of high-performance fuel cells, in which catalyst performance is an important factor controlling the improvement of fuel cell performance. Platinum group metals have naturally attracted widespread attention as the most effici...

AI Technical Summary

Problems solved by technology

Therefore, based on the defects of the above synthetic methods, the use of self-organization and self-regulation of the chemical reaction system to obtain the self-regulation of the reaction rate or the concentration of functional molecules (such as nonlinear oscillation) has not been studied and applied. Obviously, this novel kinetic The development of regulatory means provides unprecedented opportunities and challenges for the realization of controllable preparation of new structures and high-performance noble metal nanocatalysts, and this is the basis and motivation for the completion of the present invention

Images