Method and apparatus for manufacturing core-shell catalyst

Abstract

The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.

What is claimed is: 
     
         1 . An apparatus for manufacturing a core-shell catalyst, the apparatus comprising:
 a titanium reaction chamber in which a part of a chamber upper surface is made of a glass material, a lower surface is a working electrode, and the working electrode is joined to one of left and right surfaces of the titanium reaction chamber;   a reaction solution which is accommodated in the reaction chamber;   a metal ingot holder which is accommodated in the reaction chamber;   a metal ingot capsule which is accommodated on the metal ingot holder;   a reference electrode and a counter electrode which are supported in the reaction solution;   a power source unit which applies voltage to the electrodes;   a solution injecting unit which injects a mixture solution including a copper precursor and a platinum precursor into the reaction chamber;   a laser light source which emits energy to the metal ingot;   a display unit which measures and displays, in real time, a copper precursor content and a platinum precursor content in the reaction chamber, the type of reaction solution, applied voltage, an output of the emitted laser beam; and   a particle diameter measuring device which measures a particle diameter of the metal nanoparticle manufactured in the reaction chamber.   
     
     
         2 . The apparatus according to  claim 1 , wherein the metal ingot capsule has a capsule shape having a hermetic structure in which the metal ingot is impregnated in the reaction solution. 
     
     
         3 . An apparatus for manufacturing a core-shell catalyst, the apparatus comprising: a first reactor and a second reactor, wherein the first reactor includes:
 a reaction chamber in which a part of an upper surface is made of a glass material, and a metal holder on which a metal ingot is seated is formed in the reaction chamber;   a metal ingot capsule which is accommodated on the metal ingot holder;   a reaction solution which is accommodated in the reaction chamber;   a laser light source which emits energy to the metal ingot; and   a pump which moves a nanoparticle solution created in the reaction chamber to a titanium reaction chamber of the second reactor, and   the second reactor includes:   a titanium reaction chamber in which a chamber lower surface is a working electrode, and the working electrode is jointed to one of left and right surfaces of the titanium reaction chamber;   a reaction solution which is accommodated in the reaction chamber;   a reference electrode and a counter electrode which are supported in the reaction solution;   a power source unit which applies voltage to the electrodes;   a solution injecting unit which injects a mixture solution including a copper precursor and a platinum precursor into the reaction chamber; and   a nanoparticle injecting unit which injects a nanoparticle created in the first reactor into the reaction chamber.   
     
     
         4 . The apparatus according to  claim 3 , wherein the metal ingot capsule has a capsule shape having a hermetic structure in which the metal ingot is impregnated in the reaction solution. 
     
     
         5 . An apparatus for manufacturing a core-shell catalyst, the apparatus comprising:
 a reaction chamber which is divided into a first region and a second region, in which a height and a diameter of the second region are greater than a height and a diameter of the first region, and the first region and second region are connected in a streamlined shape;   a reaction solution which is accommodated in the reaction chamber;   a laser light source which emits energy to the metal ingot in the first region;   a solution injecting unit which injects a mixture solution including a copper precursor and a platinum precursor into the second region;   a display unit which measures and displays, in real time, a copper precursor content and a platinum precursor content in the second region, the type of reaction solution, applied voltage, and an output of the emitted laser beam;   a particle diameter measuring device which measures a particle diameter of a metal nanoparticle manufactured in the second region;   a reference electrode and a counter electrode which are supported in the reaction solution in the second region;   a power source unit which applies voltage to the electrodes; and   a pump which circulates a solution discharged from the second region to the first region,   wherein a part of an upper surface in the first region of the reaction chamber is made of a glass material, a metal ingot holder is accommodated in the reaction chamber, and a metal ingot capsule is accommodated on the metal ingot holder.   
     
     
         6 . The apparatus according to  claim 5 , wherein the metal ingot capsule has a capsule shape having a hermetic structure in which the metal ingot is impregnated in the reaction solution. 
     
     
         7 . An apparatus for manufacturing a core-shell catalyst, the apparatus comprising:
 a reaction chamber which is divided into a first region and a second region, in which a height and a diameter of the second region are greater than a height and a diameter of the first region, and a variable orifice, which has a central portion protruding in a streamlined shape, is provided at an end in the first region;   a reaction solution which is accommodated in the reaction chamber;   a laser light source which emits energy to the metal ingot in the first region;   a solution injecting unit which injects a mixture solution including a copper precursor and a platinum precursor into the second region;   a display unit which measures and displays, in real time, a copper precursor content and a platinum precursor content in the second region, the type of reaction solution, applied voltage, and an output of the emitted laser beam;   a particle diameter measuring device which measures a particle diameter of a metal nanoparticle manufactured in the second region;   a reference electrode and a counter electrode which are supported in the reaction solution in the second region;   a power source unit which applies voltage to the electrodes; and   a pump which circulates a solution discharged from the second region to the first region,   wherein a part of an upper surface in the first region of the reaction chamber is made of a glass material, a metal ingot holder is accommodated in the reaction chamber, and a metal ingot capsule is accommodated on the metal ingot holder.   
     
     
         8 . The apparatus according to  claim 7 , wherein the metal ingot capsule has a capsule shape having a hermetic structure in which the metal ingot is impregnated in the reaction solution.