WO2014017835A1 - 다공성 질화붕소 및 이의 제조방법 - Google Patents
다공성 질화붕소 및 이의 제조방법 Download PDFInfo
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- WO2014017835A1 WO2014017835A1 PCT/KR2013/006639 KR2013006639W WO2014017835A1 WO 2014017835 A1 WO2014017835 A1 WO 2014017835A1 KR 2013006639 W KR2013006639 W KR 2013006639W WO 2014017835 A1 WO2014017835 A1 WO 2014017835A1
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- boron nitride
- nitrogen
- porous
- porous boron
- pores
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/14—Compounds containing boron and nitrogen, phosphorus, sulfur, selenium or tellurium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/14—Compounds containing boron and nitrogen, phosphorus, sulfur, selenium or tellurium
- C01B35/146—Compounds containing boron and nitrogen, e.g. borazoles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
- C01B21/0646—Preparation by pyrolysis of boron and nitrogen containing compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
Definitions
- the present invention relates to a porous boron nitride and a method for producing the same. More specifically, the present invention relates to a porous boron nitride having a meat ball and a high specific surface area and a method for producing the same.
- Carbon materials are materials of great value for various industries such as catalysts, fuel cells, secondary battery electrode materials, supercapacitors, composite materials, gas sensors, solar cells, and various electronic devices. Carbon is used in a wide variety of forms.
- carbon fibers, carbon nanotubes, and the like have high conductivity and high mechanical properties, and in the case of activated carbon or amorphous carbon having a high specific surface area, high porosity and stable carbon characteristics make electrode materials of fuel cells and secondary batteries
- activated carbon or amorphous carbon having a high specific surface area high porosity and stable carbon characteristics make electrode materials of fuel cells and secondary batteries
- carbide-derived carbon (CDC) materials have been studied as porous carbon materials, which has attracted great attention.
- mesopores of 2 nm or more are also highly demanded in a large variety of industries, such as semiconductor or large gas storage, the adsorption matrix of medical therapeutics or sorbents of lubricants.
- Boron nitride is a material that theoretically has a bond energy of more than 1.5 times that of these carbonous materials. This is due to the hetero-polarity of boron nitride, which is 0.05 ⁇ 0.06ev / atom for carbon material and 0.09 0.0.lev / atom for carbon material.
- the template method and the substitution method are the main synthesis methods known to date.
- the specific surface area (SSA) of boron nitride reported so far is very low compared to carbon materials. If effective ways of increasing this are available, boron nitride will be able to replace many pore materials, including carbon.
- an object of the present invention is to provide a porous boron nitride having a high specific surface area having micropores and mesopores.
- the present invention provides a porous boron nitride comprising micropores having a diameter of less than 2 nm and mesopores of 2 to 50 nm.
- Heating the mixed mixture to react with a halogen gas provides a method for producing a porous boron nitride comprising the step of heating in a hydrogen atmosphere.
- Figure 2 is a graph showing the nitrogen adsorption results of the boron nitride powder prepared according to Examples 1 to 4.
- porous boron nitride of the present invention by providing a porous boron nitride including micropores having a diameter of less than 2 nm and mesopores of 2 nm or more, it can be usefully used in various types of applications requiring relatively large pores.
- porous boron nitride of the present invention it is possible to easily prepare a porous boron nitride having pores and specific surface areas of various sizes according to the application by a simple method.
- Porous boron nitride of the present invention includes micropores less than 2 nm in diameter and mesopores from 2 to 50 nm.
- the method for producing a porous boron nitride of the present invention comprises the steps of mixing at least one boron source selected from boron or a boron-containing compound and at least one nitrogen source selected from a nitrogen or nitrogen-containing compound; Heating the mixed mixture to react with halogen gas; And it provides a method for producing a porous boron nitride comprising the step of heating in a hydrogen atmosphere.
- the present invention provides a porous boron nitride comprising micropores less than 2nm in diameter and mesopores in the range of 2 to 50nm.
- Porous boron nitride of the present invention can be obtained by a method similar to carbide derived carbon (CDC).
- Carbide-derived carbon is a carbon produced by thermally reacting a carbide compound with a halogen element-containing gas to extract other elements except carbon in the carbide compound, and has good physical properties as compared to conventional activated carbon as a hydrogen storage material and an electrode material. To attract attention.
- porous boron nitride For porous boron nitride, porous porous boron nitride having micropores of less than 2 nm is known, but porous boron nitride having mesopores having a size of 2 nm or more has not been reported.
- micropores mean pores having a diameter less than about 2 nm
- mesopores mean pores having a diameter of about 2 nm or more, for example, about 2 to about 50 nm.
- Porous boron nitride of the present invention has a plurality of pores formed on the surface and includes both micro pores and meso pores.
- the porous boron nitride of the present invention has micropores of less than 2 nm and mesopores of 2 nm or more together, so that relatively large pores are required as well as storage or adsorption of small gas such as hydrogen.
- it can be usefully used in various types of applications such as storage of gas larger than hydrogen, adsorption matrix for medical therapeutic agents or adsorbent for lubricants, catalysts, electrodes of super capacitors, filters, and the like.
- the fraction of the volume of the micropores is about 30% or more, for example, about 30 to about 90%, preferably based on the total volume of the pores including the micropores and mesopores. Preferably from about 40% to about 80%.
- the volume of the pores is measured by converting the amount of nitrogen adsorbed into a volume while maintaining a specific temperature, for example, maintaining 77 K using liquid nitrogen, and putting nitrogen gas from 0 atm to 1 atm. In this case, the volume ratio of the pores can be found by dividing the volume of the pores by the total volume based on the state in which the gas is filled.
- the micropores in the porous boron nitride of the present invention may be included in about 0.1 to about 0.4 cmVg, mesopores About 0.4 to about a7 cm 3 / g.
- the specific surface area of the porous boron nitride of the present invention is about 300 m 2 / g or more, for example, about 300 to about 1,200 m 2 / g, preferably about 500 to about 1,200 m 2 / g, more preferably from about 600 to about 1,000 m 2 / g.
- the specific surface area is maintained at a specific temperature, for example, 77K using liquid nitrogen, while nitrogen gas is introduced from 0 atm to 1 atm, and the amount of nitrogen adsorbed under each pressure condition to the monomolecular layer is maintained. Under the assumption that nitrogen is adsorbed, it can be obtained through the following formula (1).
- the porous boron nitride of the present invention is a mixture of at least one boron source selected from boron or a boron-containing compound and at least one nitrogen source selected from nitrogen or a nitrogen-containing compound, followed by heating to form a compound, followed by boron and nitrogen. Except the remaining elements can be obtained by extraction and will be described in more detail in the method for producing porous boron nitride described below.
- the method includes: mixing at least one boron source selected from boron or a boron-containing compound and at least one nitrogen source selected from a nitrogen or nitrogen-containing compound; Heating the mixed mixture to react with a halogen gas; And it provides a method for producing a porous boron nitride comprising the step of heating in a hydrogen atmosphere.
- the boron source may be a boron metal compound such as TiB 2
- the nitrogen source may be a nitrogen metal compound such as TiN.
- composition ratio of the boron source and the nitrogen source may be adjusted so that the stoichiometry of the boron atom (B) and the nitrogen atom (N) is substantially 1: 1, that is, Boron-Nitride bond.
- the grinding may be performed after or simultaneously with the mixing of the boron source and the nitrogen source.
- the grinding process can be carried out using a high energy ball mill, for example.
- a high energy ball mill By using the high energy ball mill, a mixture of the boron source and the nitrogen source can be more uniformly mixed, and also the grinding is performed at a higher energy in the mixture than a general ball mill, thereby increasing the amount of defects and stably. Porous materials can be prepared.
- a means such as an attritor mill, a planetary mill, or a horizontal mill may be used. It is desirable to grind dry with a ball-to-power ratio (BPR) of about 10: 1 or more and a milling speed of about 50 rpm or more.
- BPR ball-to-power ratio
- the reaction of the mixed mixture with halogen gas may be carried out at a temperature of about 300 to about l, 200 ° C. for a heating time of about 5 minutes to about 5 hours, preferably at a temperature of about 600 to about 800 ° C. It may be carried out by heating for about 1 hour to about 4 hours.
- the halogen gas used at this time is preferably used chlorine gas (Cl 2 ).
- elements other than boron and nitrogen in the mixture may be extracted to obtain porous boron nitride while pores are formed in the place where these elements were.
- the compound represented by Formula 1 After the step of reacting with the halogen gas, the residual halogen gas may be removed by performing a heat treatment by heating to a temperature of about 400 to about 1,000 ° C., preferably about 400 to about 800 ° C., under a hydrogen atmosphere.
- the step of activating the pores may be further performed.
- the step of activating the pores may be performed at a predetermined temperature, for example, about one or more gas atmospheres selected from the group consisting of an inert gas such as He or Ar and N 2 gas for the porous boron nitride powder. after heating until reaching 25 to about 1,000 ° C, while the arrival flow of carbon dioxide gas (C0 2) from a target temperature and a predetermined time, for example, be performed by to heating for about 2 hours 10 minutes have.
- a predetermined temperature for example, about one or more gas atmospheres selected from the group consisting of an inert gas such as He or Ar and N 2 gas for the porous boron nitride powder.
- a porous boron nitride powder was prepared in the same manner as in Example 1 except that the temperature of the chlorine gas was changed.
- SSA specific surface area
- SSA total specific surface area
- Example 1 all powders prepared according to Examples 1 to 4 have a typical turbostratic boron nitride structure in which (002) peak and (10) peak appear. It can also be seen that Example 2 exhibits the most amorphous properties.
- ad means adsorption and de means desorption.
- Example 1 an IV-type adsorption curve is shown when referring to the classification of IUPAC, which proves to be a mesopore structure.
- I type and IV type are seen at the same time, which means that the micropores and the mesopores are present.
- Hysteresis loops shown in the desorption curves of Examples 2 and 3 also demonstrate that they have mesoporous structures.
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380040025.8A CN104507862B (zh) | 2012-07-27 | 2013-07-24 | 多孔氮化硼和该多孔氮化硼的制备方法 |
US14/417,296 US9796595B2 (en) | 2012-07-27 | 2013-07-24 | Porous boron nitride and method of preparing the same |
JP2015524180A JP5916953B2 (ja) | 2012-07-27 | 2013-07-24 | 多孔性窒化ホウ素及びその製造方法 |
EP13823064.4A EP2878578B1 (en) | 2012-07-27 | 2013-07-24 | Method for manufacturing porous boron nitride |
Applications Claiming Priority (2)
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KR1020120082716A KR101412774B1 (ko) | 2012-07-27 | 2012-07-27 | 다공성 질화붕소 및 이의 제조방법 |
KR10-2012-0082716 | 2012-07-27 |
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WO2014017835A1 true WO2014017835A1 (ko) | 2014-01-30 |
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PCT/KR2013/006639 WO2014017835A1 (ko) | 2012-07-27 | 2013-07-24 | 다공성 질화붕소 및 이의 제조방법 |
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US (1) | US9796595B2 (ko) |
EP (1) | EP2878578B1 (ko) |
JP (1) | JP5916953B2 (ko) |
KR (1) | KR101412774B1 (ko) |
WO (1) | WO2014017835A1 (ko) |
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GB2532043B (en) | 2014-11-06 | 2021-04-14 | Honeywell Technologies Sarl | Methods and devices for communicating over a building management system network |
GB201704321D0 (en) * | 2017-03-17 | 2017-05-03 | Imp Innovations Ltd | Amorphous porous boron nitride |
WO2020010458A1 (en) * | 2018-07-11 | 2020-01-16 | National Research Council Of Canada | Process and apparatus for purifying bnnt |
Citations (3)
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KR970705529A (ko) * | 1994-09-07 | 1997-10-09 | 리챠드 케이쓰 퍼시 | 붕소 질화물(boron nitride) |
JP2004175618A (ja) * | 2002-11-27 | 2004-06-24 | National Institute For Materials Science | 水素吸蔵用窒化ホウ素ナノチューブの製造方法 |
JP2007031170A (ja) * | 2005-07-22 | 2007-02-08 | National Institute For Materials Science | 窒化ホウ素系多孔体およびその製造方法 |
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DE342047C (de) * | 1919-03-22 | 1921-10-12 | Friedrich Meyer Dr | Verfahren und Einrichtung zur Herstellung von reinem Bornitrid |
FR1065685A (fr) * | 1951-08-25 | 1954-05-28 | Cie Des Meules Norton | Procédé de fabrication du nitrure de bore |
US3837997A (en) | 1971-03-16 | 1974-09-24 | Carborundum Co | Boron nitride products |
US4014979A (en) * | 1971-07-19 | 1977-03-29 | Anatoly Nikolaevich Dremin | Method of producing wurtzite-like boron nitride |
US4402925A (en) | 1981-09-28 | 1983-09-06 | Union Carbide Corporation | Porous free standing pyrolytic boron nitride articles |
US5096740A (en) * | 1990-01-23 | 1992-03-17 | Sumitomo Electric Industries, Ltd. | Production of cubic boron nitride films by laser deposition |
US5053365A (en) * | 1990-02-28 | 1991-10-01 | The Ohio State University Research Foundation | Method for the low temperature preparation of amorphous boron nitride using alkali metal and haloborazines |
US5169613A (en) * | 1991-02-06 | 1992-12-08 | The Ohio State University Research Foundation | Method for the preparation of boron nitride using ammonia-monohaloborane |
JP2927149B2 (ja) * | 1993-08-05 | 1999-07-28 | 日本鋼管株式会社 | 窒化ホウ素含有無機材料の製造方法 |
SE519862C2 (sv) | 1999-04-07 | 2003-04-15 | Sandvik Ab | Sätt att tillverka ett skär bestående av en PcBN-kropp och en hårdmetall- eller cermet-kropp |
WO2001021393A1 (en) * | 1999-09-21 | 2001-03-29 | Saint-Gobain Ceramics And Plastics, Inc. | Thermally conductive materials in a hydrophobic compound for thermal management |
CN1101337C (zh) | 2001-07-10 | 2003-02-12 | 山东大学 | 制备氮化硼纳米微粉的方法 |
US7745362B2 (en) * | 2006-08-11 | 2010-06-29 | General Electric Company | Metal-containing structured ceramic materials |
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2012
- 2012-07-27 KR KR1020120082716A patent/KR101412774B1/ko active IP Right Grant
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2013
- 2013-07-24 WO PCT/KR2013/006639 patent/WO2014017835A1/ko active Application Filing
- 2013-07-24 JP JP2015524180A patent/JP5916953B2/ja active Active
- 2013-07-24 US US14/417,296 patent/US9796595B2/en active Active
- 2013-07-24 EP EP13823064.4A patent/EP2878578B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR970705529A (ko) * | 1994-09-07 | 1997-10-09 | 리챠드 케이쓰 퍼시 | 붕소 질화물(boron nitride) |
JP2004175618A (ja) * | 2002-11-27 | 2004-06-24 | National Institute For Materials Science | 水素吸蔵用窒化ホウ素ナノチューブの製造方法 |
JP2007031170A (ja) * | 2005-07-22 | 2007-02-08 | National Institute For Materials Science | 窒化ホウ素系多孔体およびその製造方法 |
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Also Published As
Publication number | Publication date |
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EP2878578A1 (en) | 2015-06-03 |
CN104507862A (zh) | 2015-04-08 |
EP2878578A4 (en) | 2016-09-28 |
KR101412774B1 (ko) | 2014-07-02 |
US9796595B2 (en) | 2017-10-24 |
US20150246821A1 (en) | 2015-09-03 |
JP5916953B2 (ja) | 2016-05-11 |
JP2015522520A (ja) | 2015-08-06 |
EP2878578B1 (en) | 2017-08-23 |
KR20140015986A (ko) | 2014-02-07 |
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