KR100453555B1 - 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의제조방법 - Google Patents
화염분무열분해를 이용한 리튬코발트 산화물 나노입자의제조방법 Download PDFInfo
- Publication number
- KR100453555B1 KR100453555B1 KR10-2002-0031167A KR20020031167A KR100453555B1 KR 100453555 B1 KR100453555 B1 KR 100453555B1 KR 20020031167 A KR20020031167 A KR 20020031167A KR 100453555 B1 KR100453555 B1 KR 100453555B1
- Authority
- KR
- South Korea
- Prior art keywords
- lithium
- cobalt
- flame
- droplets
- cobalt oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005118 spray pyrolysis Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 239000002105 nanoparticle Substances 0.000 claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010941 cobalt Substances 0.000 claims abstract description 16
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 16
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 238000000197 pyrolysis Methods 0.000 claims abstract description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 26
- 239000001257 hydrogen Substances 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 19
- 229910052786 argon Inorganic materials 0.000 claims description 14
- 150000001868 cobalt Chemical class 0.000 claims description 13
- 229910003002 lithium salt Inorganic materials 0.000 claims description 11
- 159000000002 lithium salts Chemical class 0.000 claims description 11
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 239000000376 reactant Substances 0.000 claims description 6
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 5
- 229940011182 cobalt acetate Drugs 0.000 claims description 4
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 4
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 claims description 3
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- 229910021446 cobalt carbonate Inorganic materials 0.000 claims 2
- 150000004677 hydrates Chemical class 0.000 claims 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 21
- 239000000243 solution Substances 0.000 abstract description 16
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 150000003839 salts Chemical class 0.000 abstract description 7
- 239000007772 electrode material Substances 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000006182 cathode active material Substances 0.000 abstract description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 7
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910013553 LiNO Inorganic materials 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 159000000021 acetate salts Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000352 supercritical drying Methods 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/40—Complex oxides containing cobalt and at least one other metal element
- C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/04—Oxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- 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
- C01P2006/40—Electric properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (6)
- 리튬염과 코발트염이 용해되는 수용액을 형성한 후 이를 100℃ 이하의 온도에서 미세한 액적으로 형성하여 분사시키는 단계;분사되는 액적을 800∼1700 의 온도를 갖는 화염내부로 분사하고, 이 때의 급속팽창에 의하여 액적을 미세화시키는 단계;미세화된 액적들을 800-1,700의 온도에서 열분해시키면서 산화물 나노입자로 생성하는 단계;생성된 산화물 나노입자를 회수하는 단계로서 이루어지는 것을 특징으로 하는 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의 제조방법.
- 제 1항에 있어서, 상기 리튬염과 코발트염이 용해되는 수용액을 형성한 후 이를 100℃ 이하의 온도에서 미세한 액적으로 형성하여 분사시키는 단계는, 리튬과 코발트의 몰비가 1.0~2.0으로 조절되는 수용액인 것을 특징으로 하는 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의 제조방법.
- 제 1항에 있어서, 상기 리튬염과 코발트염이 용해되는 수용액을 형성한 후 이를 100℃ 이하의 온도에서 미세한 액적으로 형성하여 분사시키는 단계는, 초음파 액적발생기를 이용 100℃ 이하의 온도에서 액적을 형성시키는 것을 특징으로 하는 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의 제조방법.
- 제 1항에 있어서, 상기 분사되는 액적을 800∼1700 의 온도를 갖는 화염에서 분사하고, 이때의 급속팽창에 의하여 액적을 미세화 시키는 단계는, 5중관으로 구성된 열원가스주입관중 버너에 주입되는 가스의 순서를 안쪽 중심관부터 (반응물질+알곤)/알곤/수소/(산소+공기)/공기의 순서로 하여 화염을 구성하도록 하는 것을 특징으로 하는 화염열분해를 이용한 리튬코발트 산화물 나노입자의 제조방법.
- 제1항 또는 제2항에 있어서, 상기 리튬염과 코발트염이 용해되는 수용액을 형성한 후 이를 100℃ 이하의 온도에서 미세한 액적으로 형성하여 분사시키는 단계는, 리튬염으로 리튬아세테이트, 리튬 질산염, 리튬 수산염, 리튬 탄산염 및 이들의 수화염에서 선택된 어느 하나가, 코발트염으로는 코발트 아세테이트, 코발트 질산염, 코발트 수산염 및 코발트 탄산염 및 이들의 수화염에서 선택된 어느 하나가 혼합되어 사용하는 것을 특징으로 하는 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의 제조방법.
- 제 1항에 있어서, 상기 분사되는 액적을 800∼1700 의 온도를 갖는 화염에서 분사하고, 이때의 급속팽창에 의하여 액적을 미세화 시키는 단계는, 버너로 공급되는 수소 유량을 전체 가스유량의 15∼35%로 하고, 알곤은 5∼15%로 하여 액적의 체류시간과 화염의 온도를 조절하는 것을 특징으로 하는 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2002-0031167A KR100453555B1 (ko) | 2002-06-03 | 2002-06-03 | 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의제조방법 |
| US10/282,022 US6902745B2 (en) | 2002-06-03 | 2002-10-29 | Method of manufacturing nano-sized lithium-cobalt oxides by flame spraying pyrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2002-0031167A KR100453555B1 (ko) | 2002-06-03 | 2002-06-03 | 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030093582A KR20030093582A (ko) | 2003-12-11 |
| KR100453555B1 true KR100453555B1 (ko) | 2004-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2002-0031167A Expired - Lifetime KR100453555B1 (ko) | 2002-06-03 | 2002-06-03 | 화염분무열분해를 이용한 리튬코발트 산화물 나노입자의제조방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6902745B2 (ko) |
| KR (1) | KR100453555B1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100888769B1 (ko) * | 2007-01-30 | 2009-03-17 | 한국산업기술평가원(관리부서:요업기술원) | 나노입자 집적화막 제조 방법 및 그에 의해 제조된 나노입자 집적화막 |
| KR101500967B1 (ko) * | 2012-12-05 | 2015-03-10 | (주)에너지와공조 | 탄소 코팅된 양극 활물질 제조방법 |
| KR101533770B1 (ko) * | 2012-12-05 | 2015-07-03 | (주)에너지와공조 | 화염 분무 방사 열 합성 방법을 이용한 나노 전극 재료 합성 방법 및 이 방법을 의한 화염 분무 방사 합성 장치 |
Families Citing this family (51)
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|---|---|
| KR20030093582A (ko) | 2003-12-11 |
| US6902745B2 (en) | 2005-06-07 |
| US20030221589A1 (en) | 2003-12-04 |
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