A METHOD FOR OBTAINING A SUPERCAPACITOR AND THE SUPERCAPACITOR OBTAINED USING THIS METHOD.

Abstract

The invention relates to the method (100) of obtaining supercapacitors in which the structure obtained by growing molybdenum boride (Mo2B), a metal boride family, on a copper substrate in a homogeneous, atomic thickness and crystalline form using the chemical vapor deposition technique is used as an electrode, and the supercapacitor obtained by method (100).

Description

1 TARIFF A METHOD FOR OBTAINING A SUPERCAPACITOR AND THE PROCEDURE. THE SUPERCAPACITOR OBTAINED Technical Area 5 The invention involves the production of metal borides from the family of metal borides using chemical vapor deposition techniques. molybdenum boride (Mo2B) on a copper substrate, homogeneous, atomic thickness and The structure obtained by growing it in crystalline form is used as an electrode. Method of obtaining supercapacitors and supercapacitors obtained by this method 10 It is related to. Previous Technique With the discovery of the 2-dimensional (2D) boron structure (borophene), borophene and similar 2D boron structures 15 compounds with high electrical conductivity and high electron mobility thanks to this, high performance in energy storage systems and supercapacitor applications. They have shown that they have potential. The boron element with transition metals A new family of 2D materials obtained by compound formation, metal borides. They are defined as (MBene's). Examples of these new materials include 20 molybdenum boride (Mo2B), nickel boride (Ni2B), cobalt boride (CoB), manganese boride Compounds such as (MnB) can be given. Some metal borides are more resistant than borophene. It has properties such as high electrical conductivity and high durability. This is possible; which leads to improved performance in supercapacitor applications. It is important for the production of 2B borophenes and MBene. Chemical 25 etching method, physical vapor deposition (PVD) method and chemical vapor There are many methods, such as the accumulation (ENT) method. These methods among them, the ENT method, compatibility with microelectronic device manufacturing technology, in terms of controllability of properties such as number of layers and crystal structure Mo2B is an advantageous 30 in terms of mass production of 2D materials. This is the method. Therefore, new methods with improved performance have been developed using the ENT method. 2 New production methods are needed to obtain supercapacitors. It is heard. Chinese patent CN114956108, which falls under the known state of the art. The document describes a new two-dimensional transition metal boride. Metal 5 The structural formula of the boride is given as MxBy-Tz, where M is scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, yttrium, Zirconium, niobium, molybdenum, technetium, ruthenium, rhodium, palladium, silver, cadmium, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, A is gold and mercury; B is a boron element and T is the 10 on the surface of the metallic boride material. is a functional group where x, y, and z are the vertices of the atomic number in MxBy-Tz. These are the signs: x equals 1-5, y equals 1-5, and z equals 1-5. Boride is an energy source. It is useful for the transport of ions in the storage device, it has a catalytic function, and It has a good fixation effect on active substances. Boride, an electrode. It can be used as a material, especially in lithium batteries and other batteries. applicable and hydrogen production through water splitting, fuel cells, superstructure in various energy storage areas such as capacitors, solar cells and the like It has application expectations. Brief Description of the Invention 20 The aim of this invention is to produce metal borides using chemical vapor deposition technology. Molybdenum boride (Mo2B), from the family, forms a homogeneous, atomic mass on a copper substrate. The structure obtained by growing it in a certain thickness and crystalline form can be used as an electrode. the method of obtaining the supercapacitors used and the 25 obtained with this method The goal is to create a supercapacitor. 3 Detailed Description of the Invention The process of "Obtaining a Supercapacitor" was carried out to achieve the goal of this invention. The method and the supercapacitor obtained with the method are shown in the attached figure; This figure: 5 Figure 1. Flowchart of the method described in the invention. Figure 2 shows a graph of the Mo2B XRD measurement. Figure 3 shows the improved capacitance protection ratio graph of the Mo2B supercapacitor. Figure 4. DV (cyclic 10) of Mo2B supercapacitor at different scan rates. It is a voltamogram graph. Method 100 101. Growing Mo2B structures, 102. Growth of Mo2B structure on copper electrode 15 103. Obtaining a supercapacitor using electrodes. Used in obtaining supercapacitors with high capacitance protection ratios. The subject of the invention method (1); -Enlargement of Mo2B structures (101), 20 - Growth of Mo2B structure on copper electrode (substrate) (102) and - steps of obtaining a supercapacitor by using electrodes (103) It includes. In the step (101) of growing Mo2B structures (100) of the invention method, 25 molybdenum trioxide (MoO₃), diboron trioxide (B₂O₃) and boron (B) chemical powders It is physically mixed in the proportions in equation (1) and this mixture is 850- It is evaporated at a temperature range of 1100°C. 2 MoO3 + 3 B2O3 + 3 B + 6 H2 = 2 Mo2B + 6 H2O ………..….(1) 30 4 The invention concerns the method of forming the Mo2B structure on (100) copper electrode (substrate). In the growth step (102), the Mo2B structure obtained with equation (1) is chemical. copper (Cu) in a vapor deposition system via chemical vapor deposition reaction. It grows in the crystalline phase on the substrate, which acts as the electrode. The invention involves obtaining a supercapacitor by using electrodes (100) In step (103), the copper electrodes on which Mo2B is deposited are Mo2B The surfaces are positioned facing each other and a membrane is placed between them. is being placed. The invention in question was obtained by following the steps of the method (100) described above. obtained, having a high capacity protection rate, and used in electric vehicles, smartphones, in long-lived energy storage systems in the form of unmanned aerial vehicles It involves a supercapacitor that is being used. Industrial Application of the Invention In this invention, Mo2B, a metal boride family, is produced on a copper substrate using the KBB technique. It is grown on it in a homogeneous, atomic-thick, crystalline form. Optical Microscope, X-ray scattering (XRD), Raman spectroscopy, scanning electron 20 microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), atomic force After the analysis processes, such as microscopy (AFM), are completed, the copper substrate Mo2B structures grown on it are used as electrodes. Supercapacitors were manufactured and performance tests were conducted. The most important indicator of crystalline growth of molybdenum boride structures. According to the XRD analysis result, there is one peak in the plane (022) at ~51 ⁰ in the area It was determined that the lateral crystal size is 43 nm (Figure 2). calculated. XRD results of molybdenum boride structures have been previously reported. This is consistent with previous studies. After a 12-hour rest period, 5 mVs-1 30 CV analysis performed at scan speed revealed a crystal magnified on copper. Specific capacitance value of a supercapacitor produced from Mo2B structures in the form shown. It was determined to be approximately 40 mF / cm2. In capacity protection ratio measurement. After 20,000 cycles, over 99% protection was achieved (Figures 3 and 4). With this invention, Mo2B structures can be applied to copper electrodes using the KBB technique. Supercapacitors with high capacitance protection ratios, grown in crystalline form. The application has been successfully performed for the first time. This invention involves the Mo₂B electrode. supercapacitors based on high capacitance protection ratio and long lifespan requirements It has high potential for use in energy storage systems. This has shown that 2D material-based energy storage systems can be used in smart 10 applications. its use in critical applications such as telephones and drones It will spread rapidly. The meeting topic was "Obtaining a Supercapacitor" around these fundamental concepts. A wide variety of 15 for "Method and Supercapacitor Obtained by Method (100)" It is possible to develop applications, and the invention is illustrated with the examples described here. It cannot be restricted, it is essentially as stated in the claims. 25

Claims

6 REQUESTS 1. In obtaining supercapacitors with high capacitance protection ratios. used; -Enlargement of Mo2B structures (101), 5 - Growth of Mo2B structure on copper electrode (substrate) (102) and - Steps for obtaining a supercapacitor by using electrodes (103) a method characterized by (100). In step (101) of growing Mo2B structures, molybdenum trioxide (MoO₃), 10 diboron trioxide (B₂O₃) and boron (B) chemical powders in equation (1) 2 MoO3 + 3 B2O3 + 3 B + 6 H2 = 2 Mo2B + 6 H2O ………..….(1) physically mixing in proportions and this mixture being heated at 850-1100°C 15 a like the one in Claim 1 characterized by evaporation within the range method (100). In step (102) of the growth of Mo2B structure on copper electrode (substrate), Chemical vapor deposition of the Mo2B structure obtained by equation (1) 20 copper (Cu) electrode by chemical vapor deposition reaction in the system Claim 1 is characterized by its growth in the crystalline phase on the substrate. or a method like in 2 (100).

4. Obtaining a supercapacitor by using electrodes (103) 25 In the next step, copper electrodes on which Mo2B has been deposited contain Mo2B. They are positioned so that their surfaces face each other and a membrane is placed between them. any of the above requests characterized by their placement a method like in one (100). 7 5. High capacity obtained by following the steps of Method (100) having a protection rate and electric vehicles, smartphones, drones in the form of a vehicle requiring long lifespan in energy storage systems a supercapacitor characterized by its use. 10 20 30

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