KR100814817B1 - Lithium battary, fuel cell, and material of hydrogen storage comprising carbide driven carbon structure - Google Patents

Abstract

A lithium battery comprising a carbide-derived carbon structure is provided to allow smooth feeding of reactants and discharge of byproducts by using nano-sized pores, and to realize a large reaction surface area. A lithium battery comprising a carbide-derived carbon structure comprises a cathode comprising a cathode active material, an anode comprising an anode active material, and an electrolyte. In the lithium battery, the anode active material comprises a carbide-derived carbon structure. The carbide-derived carbon structure has a ratio(IG/ID) of the intensity at 1590cm^-1 (intensity of D band: ID) to the intensity at 1350cm^-1 (intensity of G band: IG) of 0.3-5 in the Raman peak analysis.

Description

Lithium battery, fuel cell, and hydrogen storage including carbide-derived carbon structures {LITHIUM BATTARY, FUEL CELL, AND MATERIAL OF HYDROGEN STORAGE COMPRISING CARBIDE DRIVEN CARBON STRUCTURE}

1 is a schematic diagram showing a nanostructure of a carbide-derived carbon structure according to an embodiment of the present invention.

Figure 2 is a graph showing the Raman peak analysis results for the carbide-derived carbon structure prepared in Example 1.

3 is a graph showing the results of X-ray diffraction analysis on the carbide-derived carbon structure prepared in Example 1. FIG.

4 is a schematic diagram schematically showing a graphite crystal structure.

5 is a graph showing the results of X-ray diffraction analysis on crystalline graphite according to the prior art.

6 is a transmission electron microscope (TEM) photograph of the carbide-derived carbon structure prepared in Example 1. FIG.

7 is a graph showing the results of X-ray diffraction analysis on the carbide-derived carbon structure prepared in Example 2. FIG.

[Industrial use]

The present invention relates to a lithium battery, a fuel cell, and a hydrogen storage body including a carbide-derived carbon structure, and more particularly, a carbide-derived carbon structure having a smooth reaction surface area and a by-product discharged, A lithium battery, a fuel cell, and a hydrogen storage body are included.

[Prior art]

Carbon materials are classified as amorphous carbon or crystalline carbon according to their crystallinity. The amorphous carbon is a carbon material having low graphitization degree or almost no diffraction line in X-ray diffraction, and polymer resins such as soft carbon and phenol resin obtained by firing coal pitch or petroleum pitch. And hard carbon obtained by firing.

In addition, the crystalline carbon may be natural graphite or artificial graphite.

The carbon material is widely used as a conductive material of a battery because of its excellent conductivity, and is also usefully used as a catalyst carrier for fuel cells, which is being actively studied in recent years.

SUMMARY OF THE INVENTION An object of the present invention is to provide a lithium battery, a fuel cell, and a hydrogen storage body including a carbide-derived carbon structure having a large surface area, having a nano-sized pores, which facilitates the supply of reactants and the discharge of by-products. .

In order to achieve the above object, the present invention provides strength in the carbon, and nano-size to include the air gap, and the Raman peak analysis 1350cm ^-1; intensity at 1590cm ^-1 for the (G-band intensity of I _G) (D Provided is a lithium battery, a fuel cell, and a hydrogen storage body comprising a carbide-derived carbon structure in which the ratio of band strength; I _D ) (I _G / I _D ) is in the range of 0.3 to 5.

It is preferable that the specific surface area measured by the BET method of the said carbide derived carbon structure is 1000 m <^2> / g or more.

In the carbide-derived carbon structure, it is preferable that the peak of the graphite (002, graphite peak) surface appears at 2θ = 25 ° in the X-ray diffraction analysis.

In transmission electron microscopy analysis of the carbide-derived carbon structure, the electron diffraction pattern preferably represents a halo-pattern of amorphous carbon.

Hereinafter, the present invention will be described in more detail.

The present invention provides a lithium battery comprising a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, wherein the negative electrode active material includes a carbide-derived carbon structure.

The present invention also includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane positioned between the anode electrode and the cathode electrode, which face each other, wherein at least one of the anode electrode and the cathode electrode is a catalyst and the catalyst. It provides a fuel cell comprising a carbide-derived carbon structure supporting.

The present invention also provides a hydrogen storage body comprising a carbide derived carbon structure.

When the carbide-derived carbon structure Raman peak analysis, intensity at 1350cm ^-1; intensity at 1590cm ^-1 for the (G-band intensity of I _G); the ratio of (the intensity of the D band I _D) (I _G / It is preferable that _ID ) exists in the range of 0.3-5.

The specific surface area measured by the BET method of the carbide-derived carbon structure is preferably 1000 m ² / g or more, and more preferably 1200 to 1500 m ² / g.

In the carbide-derived carbon structure, it is preferable that the peak of the graphite (002, graphite peak) surface appears at 2θ = 25 ° in the X-ray diffraction analysis.

In transmission electron microscopy analysis of the carbide-derived carbon structure, the electron diffraction pattern preferably represents a halo-pattern of amorphous carbon.

In general, Raman peak analysis results, X-ray diffraction analysis results and transmission electron microscopy results are often used as a measure of the degree of crystallinity, the carbide-derived carbon structure according to the present invention has the analysis results as described above, the structure It has structural characteristics close to amorphous carbon having crystallinity in the short range order. As described above, in the case of amorphous carbon having a degree of crystallinity in the short range, the curved graphite sheet and the open pores of the non-6-membered ring structure are mixed.

1 schematically illustrates a nanostructure of a carbide-derived carbon structure according to an embodiment of the present invention. Referring to FIG. 1, it can be seen that the carbide-derived carbon structure has a structure in which bent graphite sheets and open pores of a non-6-membered ring structure are mixed.

The carbide-derived carbon structure is an amorphous carbon having a crystallinity in a short range, and has a structure in which a bent graphite sheet and an open pore of a non-6-membered ring structure are mixed and measured by a BET method. If one specific target is 1000 m ² / g or more, it can be used as a high capacity energy storage source.

The carbide-derived carbon structure may be prepared by thermally treating a carbide precursor with a halogen group element-containing gas.

The method for producing the carbide-derived carbon structure is described in detail in Korean Patent Publication No. 2001-0013225, where a detailed method for producing the carbide-derived carbon structure will be omitted.

As the carbide precursor, a carbide precursor of an element selected from elements of Groups 3 to 6 of the periodic table is preferably used, and SiC, B ₄ C, TiC, ZrC _x , Al ₄ C ₃ , CaC ₂ , Ti _x Ta _y C, More preferably, those selected from the group consisting of Mo _x W _y C, TiN _x C _y , ZrN _x C _y , and combinations thereof are used. It is preferable that x and y are determined by stoichiometric ratio.

When the carbide precursor is thermally chemically treated with a halogen group element-containing gas, nanopores are formed while elements other than carbon in the carbide precursor particles are removed. As a result, a carbide-derived carbon structure having nano-sized pores can be obtained.

In particular, in order to produce a carbide-derived carbon structure according to an embodiment of the present invention, the halogen-containing element gas is preferably Cl ₂ , TiCl ₄ or F ₂ gas, the thermodynamic treatment is a temperature of 350 to 1200 ℃ It is preferable that it is made of, and more preferably made at a temperature of 500 to 1100 ° C.

The carbide-derived carbon structure has a nano-sized pore as described above to smoothly supply reactants and discharge by-products, and has a large surface area. Therefore, the carbide-derived carbon structure can be used as an energy storage body in various fields. As the energy storage body, for example, a cathode such as a primary battery, a secondary battery, a lithium battery, a carrier of a fuel cell catalyst, or a hydrogen storage body can be used in various fields.

The present invention provides a lithium battery comprising a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, wherein the negative electrode active material includes the carbide-derived carbon structure.

The lithium battery can be applied to a lithium ion battery, a lithium ion polymer battery, or a lithium polymer battery.

The present invention also includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane positioned between the anode electrode and the cathode electrode, which face each other, wherein at least one of the anode electrode and the cathode electrode comprises a catalyst and the catalyst. It provides a fuel cell comprising the supported carbide-derived carbon structure.

The fuel cell may be applied to a polymer electrolyte fuel cell, a direct oxidation fuel cell, a molten carbonate fuel cell, a solid oxide fuel cell, or a phosphate fuel cell, and preferably a polymer electrolyte fuel cell or a direct oxidation type fuel cell. It can be applied to fuel cells.

In addition, the carbide-derived carbon structure can be used as a hydrogen storage because the nano-sized pores are uniformly distributed and have a large surface area, which facilitates the movement of hydrogen by diffusion.

Hereinafter, preferred embodiments of the present invention will be described. However, the following examples are only one preferred embodiment of the present invention and the present invention is not limited to the following examples.

(Production of Carbide-Derived Carbon Structures)

(Example 1)

As a carbide precursor, 100 g of α-SiC having an average particle diameter of 0.7 μm was used, and a high temperature electric furnace composed of a graphite reaction chamber, a transformer, and the like was used. 30 g of a carbide-derived carbon structure was prepared by extracting Si from the precursor by flowing a 0.5 L Cl ₂ gas per minute at 1000 ° C. to maintain a thermochemical reaction for 7 hours.

(Example 2)

As a carbide precursor, 13 g of a carbide-derived carbon structure was prepared in the same manner as in Example 1, except that 100 g of ZrC having an average particle diameter of 3 μm was used and thermochemical reaction at 600 ° C. for 5 hours.

(Example 3)

As a carbide precursor, 25 g of a carbide-derived carbon structure was prepared in the same manner as in Example 1, except that 100 g of Al ₄ C ₃ having an average particle diameter of 3 μm and thermochemical reaction at 700 ° C. for 5 hours were used.

(Example 4)

As a carbide precursor, a carbide-derived carbon structure was prepared in the same manner as in Example 1, except that 100 g of B ₄ C having an average particle diameter of 0.8 μm was used and thermochemical reaction at 1000 ° C. for 3 hours.

(Comparative Example 1)

As a carbide precursor, B ₄ C, the same starting material as in Example 4, was used, but 21 g of a carbide-derived carbon structure was prepared in the same manner as in Example 4, at a synthesis temperature of 1300 ° C. and a reaction time of 12 hours.

(Measurement of Physical Properties of Manufactured Carbide-Derived Carbon Structures)

Raman peak analysis, X-ray diffraction analysis, and transmission electron microscopic analysis of the carbide-derived carbon structure prepared in Example 1 were carried out. As a result, the I _G / I _D value was about 0.5 to 1, and 2θ = 25 °. The peak of the graphite (002) plane appears at, and the electron diffraction pattern exhibited a halo-pattern of amorphous carbon. In addition, the specific surface area after synthesis showed a value of 1000 to 1100 m ² / g.

FIG. 2 shows Raman peak analysis of one particle of the carbide-derived carbon structure prepared in Example 1 (514.5 nm, 2 mW, 60 sec (twice), 50 ×). When Fig. 2, the induced the carbide-carbon structure is disordered at ^1350cm-1 - G band of graphite (graphite G band), and in the intensity of the D band (-disordered induced D band) derived from about 1.75, 1590cm ^-1 The intensity of about 1.70, the ratio I _G / I _D value of about 0.97 can be seen that.

In addition, FIG. 3 shows the results of X-ray diffraction analysis of one particle of the carbide-derived carbon structure prepared in Example 1. FIG. 4 is a diagram schematically showing the structure of graphite crystals, and FIG. 5 is a diagram showing an X-ray diffraction analysis result of crystalline graphite.

Referring to FIG. 3, it can be seen that the carbide-derived carbon structure exhibits about a peak of graphite (002) plane at 2θ = 25 °. As shown in FIG. 4, the peak of the graphite (002) plane refers to a peak caused by X-ray diffraction incident in a direction parallel to the top surface of the hexagonal column when the structure of the graphite crystal is assumed to be a hexagonal columnar shape. 5, crystalline graphite generally exhibits very strong peaks at 2θ = 25 °. However, it can be seen that the carbide-derived carbon structure according to the present invention shows a very weak peak at a position of 2θ = 25 °, and thus has an amorphous characteristic different from crystalline graphite.

6 shows a transmission electron microscope (TEM) image of one particle of the carbide-derived carbon structure prepared in Example 1 above. Referring to FIG. 6, the carbide-derived carbon structure can be seen that the electron diffraction pattern exhibits a halo-pattern of amorphous carbon. This is because in the case of crystalline carbon, the electron diffraction pattern has a shape in which a plurality of points are scattered, but the carbide-derived carbon structure has an electron diffraction pattern that does not exhibit such a point shape as shown in FIG. It can be seen that it exhibits a halo-pattern and therefore has different amorphous properties than crystalline carbon.

Raman peak analysis, X-ray diffraction analysis, and transmission electron microscopic analysis of the carbide-derived carbon structure prepared in Example 2 were carried out. As a result, the I _G / I _D value was about 1 to 1.3, and 2θ = 25 A weak peak on the graphite (002) plane appeared at ° and the electron diffraction pattern showed a halo-pattern of amorphous carbon. In addition, the specific surface area after synthesis showed a value of 1200㎡ / g.

7 shows the results of X-ray diffraction analysis of one particle of the carbide-derived carbon structure prepared in Example 2. Referring to FIG. 7, it can be seen that the carbide-derived carbon structure exhibits about a peak of graphite (002) plane at 2θ = 25 °.

Raman peak analysis, X-ray diffraction analysis, and transmission electron microscopic analysis of the carbide-derived carbon structure prepared in Example 3 were carried out. As a result, the I _G / I _D value was about 1 to 3.2, and 2θ = 25 A weak peak of the graphite (002) plane appeared at °, and the electron diffraction pattern showed an amorphous halo-pattern. In addition, the specific surface area after synthesis showed a value of 1050 to 1100 m 2 / g.

Raman peak analysis, X-ray diffraction analysis, and transmission electron microscopic analysis of the carbide-derived carbon structure prepared in Example 4 were carried out. As a result, the I _G / I _D value was about 0.4 to 1, and 2θ = 25 A weak peak of the graphite (002) plane appeared at °, and the electron diffraction pattern showed an amorphous halo-pattern. In addition, the specific surface area after synthesis showed a value of 1310 m 2 / g.

As a result of Raman peak analysis and X-ray diffraction analysis of the carbide-derived carbon structure prepared in Comparative Example 1, the I _G / I _D value was about 6 to 7, and a narrow single peak of graphite (002) plane at 2θ = 25 ° Appeared. In addition, it showed a significantly low specific surface area value of 400 m 2 / g.

Table 1 below summarizes the main physical properties of the carbide derived carbon structures for Examples 1 to 4 and Comparative Example 1.

Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Carbide precursors α-SiC ZrC Al ₄ C ₃ B ₄ C B ₄ C Particle Size ^{1 ) (} μm) 0.7 3 1 to 5 0.8 0.8 Crystal system ^{1 )} 6-orthogonal system Equiaxed Trigonal Trigonal Trigonal Main bond ^{1 )} Covalent Bond Ionic bond Covalent Bond Covalent Bond Covalent Bond Synthesis temperature ^{2) (} ℃) 1000 600 700 1000 1300 Synthesis time ^{2 ) (} hours) 7 5 5 3 12 Opening diameter (nm) 0.7 0.6 to 1.2 1.5 4.0 4.0 Specific surface area of carbide-derived carbon structures (m ² / g) 1000-1100 1200 1050 1310 400 Isothermal Nitrogen Adsorption Type Ⅰ ³⁾ Ⅰ ³⁾ Ⅰ ³⁾ Ⅳ ⁴⁾ Ⅳ ⁴⁾ Pore volume (cm ³ / cm ³ ) 0.58 0.64 0.86 0.75 0.54 Carbide-derived carbon structure content (% by mass) after halogenation 29.8 13 25 20.8 21 I _G / I _D Ratio 0.5 to 1 1 to 1.3 1 to 3.2 0.4 to 1 6 to 7

1) Properties of Carbide Precursor (The particle size of the carbide precursor remains unchanged even after the preparation of carbide-derived carbon structures.)

2) Synthesis condition of carbide derived carbon structure

3) Adsorption occurs regardless of the pressure of the gas, the adsorption intensity is high, and the adsorption occurs only at a specific adsorption point

4) Capillary condensation occurs in the intermediary hole, where the desorption curve is above the adsorption curve regardless of the relative pressure.

(Production and Performance Measurement of Lithium Secondary Battery)

(Example 5)

As a negative electrode, a slurry for a negative electrode was prepared by mixing the carbide-derived carbon structure prepared in Example 1 with polyvinylidene fluoride (PVdF) in a weight ratio of 96: 4. The negative electrode slurry was coated on a copper foil (Cu-foil) to form a thin electrode plate, dried at 120 ° C. for at least 12 hours, and then pressed to prepare a negative electrode plate having a thickness of 45 μm.

With the cathode as the working electrode and the metal lithium foil as the counter electrode, a separator made of a porous polypropylene film is inserted between the working electrode and the counter electrode, and a mixed solvent of diethyl carbonate (DEC) and ethylene carbonate (EC) as an electrolyte solution ( A half cell of a 2016 coin type was prepared using a solution in which LiPF ₆ was dissolved at a concentration of 1 (mol / L) in DEC: EC = 1: 1).

(Comparative Example 2)

A half cell was prepared in the same manner as in Example 1 except that mesocarbon microbeads (MCMB) were used in place of the carbide-derived carbon structure.

The electrical properties of the battery prepared in Example 5 and Comparative Example 2 were evaluated. The electrical characteristics of the battery were evaluated by charging and discharging at a current density of 100 mA / g. Charging was performed in CC / CV mode, the termination voltage was maintained at 0.02V, and charging was terminated when the current was 0.01 mA. Discharge was performed in CC mode, and the termination voltage was maintained at 1.5V. Under the above conditions, the batteries produced in Example 5 and Comparative Example 2 were charged and discharged to evaluate cycle life characteristics. As a result, it can be seen that the battery manufactured in Example 5 has improved cycle life characteristics than the battery prepared in Comparative Example 2.

(Manufacture and Performance Measurement of Fuel Cell)

(Example 6)

Commercial Nafion 115 membrane (thickness: 125㎛) each in 3% hydrogen peroxide, 0.5M sulfuric acid aqueous solution of 90 ℃ and then for 2 hours, H ⁺ type Nafion 115 membrane prepared polymer was washed for one hour in deionized water of 100 ℃ electrolyte It was made into a film.

3.0 g of Pt and 10 wt% Nafion (product name: Nafion, manufactured by Dupont), an aqueous dispersion of 20 wt% of the carbide-derived carbon structure prepared in Example 1, were added to 30 ml of isopropyl alcohol, followed by mechanical stirring. To prepare a composition for forming a cathode catalyst layer.

The cathode catalyst layer-forming composition was directly coated on one surface of the polymer electrolyte membrane by screen printing to form a cathode catalyst layer. At this time, the cathode catalyst layer formation area was 5 × 5 cm ² and the catalyst loading was 3 mg / cm ² respectively. The anode catalyst layer was formed on the other side of the polymer electrolyte membrane by the same method as described above.

The cathode catalyst layer and the anode catalyst layer were placed on both sides of the polymer electrolyte membrane, respectively, and placed on both sides of the polymer electrolyte membrane, using a compression molder. Was prepared.

The prepared membrane-electrode assembly was inserted between two gaskets, and then inserted into two separators having a predetermined gas flow channel and a cooling channel, and pressed between copper end plates to prepare a unit cell.

(Comparative Example 3)

A single cell was prepared in the same manner as in Example 6 except that Pt / C (20 wt%, manufactured by E-tek) was used instead of the Pt supported on the carbide-derived carbon structure.

For the cells prepared according to Example 6 and Comparative Example 3, methanol was injected into the cathode electrode layer and dry air was injected into the anode electrode side, and voltage-current characteristics were observed at 70 ° C. As a result, it was confirmed that the fuel cell of Example 6 exhibited an excellent power density compared to the fuel cell of Comparative Example 3.

(Hydrogen Storage Capacity of the Carbide Derived Carbon Structures)

In order to determine the hydrogen storage capacity of the carbide-derived carbon structure prepared in Example 1 was measured using an MSB equipment (RUBOTHERM, Germany) that can directly measure the weight change at high pressure.

In the measurement, 0.3-0.5 g of sample was placed in the apparatus, the weight was measured under vacuum, helium and hydrogen were added, and the weight was measured to correct the buoyancy. At constant temperature (25 ° C), the pressure was increased step by step from 10 bar to 100 bar, the weight of the sample was measured directly by electronic balance. At this time, the pressure was kept constant and when the equilibrium was reached, the weight of the sample was measured and the weight of the adsorbed hydrogen was measured from the weight of the original sample because the measured weight includes the weight of the sample and the adsorbed hydrogen.

As a result of the experiment it can be seen that the carbide-derived carbon structure prepared in Example 1 occupies a considerable amount of hydrogen at room temperature, and can be sufficiently used as a tank reservoir.

All simple modifications or changes of the present invention can be easily carried out by those skilled in the art, and all such modifications or changes can be seen to be included in the scope of the present invention.

The carbide-derived carbon structure has nano-sized pores, so that the supply of reactants and the discharge of by-products are made smoothly, and have a large surface area.

Therefore, the carbide-derived carbon structure can be used as an energy storage source in various fields. For example, it can be used in various fields, such as a negative electrode, such as a primary battery, a secondary battery, a lithium battery, a carrier of a fuel cell, or a hydrogen storage body.

Claims (32)

A positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, The anode active material includes a carbide-derived carbon structure, The carbide-derived carbon in the structure is the Raman intensity of the peak analysis when 1350cm ^-1 (intensity of G-band; I _G) intensity at 1590cm ^-1 for; the ratio of (the intensity of the D band _D I) (I _G / I _D ) Is in the range of 0.3 to 5. The method of claim 1, The carbide-derived carbon structure is a lithium battery produced by thermally reacting a carbide precursor with a halogen-containing element-containing gas at a temperature of 350 to 1200 ° C. to extract other elements except carbon in the carbide precursor. The method of claim 2, The thermochemical reaction temperature is 500 to 1100 ℃ lithium battery. The method of claim 2, The carbide precursor is a compound of carbon and an element selected from the group consisting of Group 3 elements, Group 4 elements, Group 5 elements, Group 6 elements, and combinations thereof of the periodic table. The method of claim 2, The carbide precursor is SiC ₄ , B ₄ C, TiC, ZrC _x , Al ₄ C ₃ , CaC ₂ , Ti _x Ta _y C, Mo _x W _y C, TiN _x C _y , ZrN _x C _y , and combinations thereof Lithium battery that is selected from the group consisting of (x and y is determined according to the stoichiometric ratio). The method of claim 2, The halogen group element-containing gas is selected from the group consisting of Cl ₂ , TiCl ₄ , F ₂ , and combinations thereof. The method of claim 1, Lithium battery that the specific surface area measured by the BET method of the carbide-derived carbon structure is 1000 to 1500m ² / g. The method of claim 7, wherein The specific surface area measured by the BET method of the carbide-derived carbon structure is 1200 to 1500m ² / g. The method of claim 1, The carbide-derived carbon structure is a lithium battery that the peak of the graphite (002, graphite peak) surface appears at 2θ = 25 ° in X-ray diffraction analysis. The method of claim 1, In a transmission electron microscopic analysis of the carbide-derived carbon structure, the electron diffraction pattern exhibits a halo-pattern of amorphous carbon. The method according to any one of claims 1 to 10, The lithium battery is any one of a lithium ion battery, a lithium ion polymer battery, or a lithium polymer battery. An anode electrode, a cathode electrode, and a polymer electrolyte membrane positioned between the anode electrode and the cathode electrode, which face each other; At least one of the anode electrode and the cathode electrode includes a catalyst and a carbide-derived carbon structure supporting the catalyst, The carbide-derived carbon in the structure is the Raman intensity of the peak analysis when 1350cm ^-1 (intensity of G-band; I _G) intensity at 1590cm ^-1 for; the ratio of (the intensity of the D band _D I) (I _G / I _D ) Is in the range of 0.3 to 5. The method of claim 12, The carbide-derived carbon structure is produced by thermally reacting a carbide precursor with a halogen group element-containing gas at a temperature of 350 to 1200 ° C. to extract other elements except carbon in the carbide precursor. The method of claim 13, The thermochemical reaction temperature is 500 to 1100 ℃ fuel cell. The method of claim 13, The carbide precursor is a fuel cell is a compound of carbon and an element selected from the group consisting of Group 3 elements, Group 4 elements, Group 5 elements, Group 6 elements, and combinations thereof. The method of claim 13, The carbide precursor is SiC ₄ , B ₄ C, TiC, ZrC _x , Al ₄ C ₃ , CaC ₂ , Ti _x Ta _y C, Mo _x W _y C, TiN _x C _y , ZrN _x C _y , and combinations thereof The fuel cell selected from the group consisting of (x and y is determined according to the stoichiometric ratio). The method of claim 13, The halogen group element-containing gas is selected from the group consisting of Cl ₂ , TiCl ₄ , F ₂ , and combinations thereof. The method of claim 12, Specific surface area measured by the BET method of the carbide-derived carbon structure is 1000 to 1500m ² / g fuel cell. The method of claim 18, Specific surface area measured by the BET method of the carbide-derived carbon structure is 1200 to 1500m ² / g fuel cell. The method of claim 12, The carbide-derived carbon structure is a fuel cell in which the peak of the graphite (002, graphite peak) surface appears at 2θ = 25 ° in X-ray diffraction analysis. The method of claim 12, And the electron diffraction pattern exhibits a halo-pattern of amorphous carbon upon transmission electron microscopic analysis of the carbide-derived carbon structure. The method according to any one of claims 12 to 21, The fuel cell is any one of a polymer electrolyte fuel cell, a direct oxidation fuel cell, a molten carbonate fuel cell, a solid oxide fuel cell, or a phosphate fuel cell. A carbide derived carbon structure, The carbide-derived carbon in the structure is the Raman intensity of the peak analysis when 1350cm ^-1 (intensity of G-band; I _G) intensity at 1590cm ^-1 for; the ratio of (the intensity of the D band _D I) (I _G / I _D ) Hydrogen is in the range of 0.3 to 5. The method of claim 23, wherein The carbide-derived carbon structure is prepared by extracting the remaining elements other than carbon in the carbide precursor by thermochemical reaction of the carbide precursor with a halogen group element-containing gas at a temperature of 300 to 1200 ° C. The method of claim 24, The thermochemical reaction temperature is 500 to 1100 ℃ hydrogen storage. The method of claim 24, The carbide precursor is a hydrogen storage compound of carbon and an element selected from the group consisting of Group 3 elements, Group 4 elements, Group 5 elements, Group 6 elements, and combinations thereof. The method of claim 24, The carbide precursor is SiC ₄ , B ₄ C, TiC, ZrC _x , Al ₄ C ₃ , CaC ₂ , Ti _x Ta _y C, Mo _x W _y C, TiN _x C _y , ZrN _x C _y , and combinations thereof Hydrogen reservoirs selected from the group consisting of (x and y are determined according to the stoichiometric ratio). The method of claim 24, The halogen group element-containing gas is selected from the group consisting of Cl ₂ , TiCl ₄ , F ₂ , and combinations thereof. The method of claim 23, wherein Hydrogen storage body of the specific surface area measured by the BET method of the carbide-derived carbon structure is 1000 to 1500m ² / g. The method of claim 29, Specific surface area measured by the BET method of the carbide-derived carbon structure is 1200 to 1500m ² / g hydrogen storage body. The method of claim 23, wherein The carbide-derived carbon structure is a hydrogen storage body that appears a peak of the graphite (002, graphite peak) surface at 2θ = 25 ° in X-ray diffraction analysis. The method of claim 23, wherein And a hydrogen diffraction pattern exhibits a halo-pattern of amorphous carbon upon transmission electron microscopic analysis of the carbide-derived carbon structure.

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