JP2007137686A - 新型二酸化チタン及びその製造方法 - Google Patents
新型二酸化チタン及びその製造方法 Download PDFInfo
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- JP2007137686A JP2007137686A JP2005329774A JP2005329774A JP2007137686A JP 2007137686 A JP2007137686 A JP 2007137686A JP 2005329774 A JP2005329774 A JP 2005329774A JP 2005329774 A JP2005329774 A JP 2005329774A JP 2007137686 A JP2007137686 A JP 2007137686A
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- titanium dioxide
- ramsdellite
- partial structure
- rutile
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000013078 crystal Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 19
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 9
- 238000000862 absorption spectrum Methods 0.000 abstract description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 21
- 229910052744 lithium Inorganic materials 0.000 description 21
- 239000007858 starting material Substances 0.000 description 14
- 239000010936 titanium Substances 0.000 description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 238000010304 firing Methods 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 238000003795 desorption Methods 0.000 description 5
- 230000001699 photocatalysis Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 150000002642 lithium compounds Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000000634 powder X-ray diffraction Methods 0.000 description 3
- 150000003609 titanium compounds Chemical class 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910018136 Li 2 Ti 3 O 7 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000003991 Rietveld refinement Methods 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000550 scanning electron microscopy energy dispersive X-ray spectroscopy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000012982 x-ray structure analysis Methods 0.000 description 1
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- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
Abstract
【解決手段】
ラムスデライト型二酸化チタン粉末を、150〜400℃の熱処理を行うことによって、ラムスデライト型の部分構造とルチル型の部分構造が交互に積層した、一般式TiO2で標記されるラムスデライト型結晶構造を有する部分構造とルチル型結晶構造を有する部分構造を有する新型二酸化チタンの製造方法。
【採用図面】 図4
Description
R.Marchand,L.Brohan,M.Tournoux,Mater.Res.Bull.15,1129−1133(1980) M.Latroche,L.Brohan,R.Marchand,M.Tournoux,J.Solid State Chem.,81,78−82(1989) J.Akimoto,Y.Gotoh,Y.Oosawa,N.Nonose,T.Kumagai,K.Aoki,H.Takei,J.Solid State Chem.,113,27−36(1994)
また、本発明は、交互に積層されたラムスデライト型とルチル型の部分構造の割合が、任意に制御された新型二酸化チタンである。
さらに、本発明は、ラムスデライト型二酸化チタン粉末を、150〜400℃の熱処理を行うことによって、ラムスデライト型の部分構造とルチル型の部分構造が交互に積層した、一般式TiO2で標記されるラムスデライト型結晶構造を有する部分構造とルチル型結晶構造を有する部分構造を有する新型二酸化チタンの製造方法である。
本発明のうち、交互に積層した結晶構造を有する二酸化チタンの製造方法は、あらかじめ合成されたラムスデライト型二酸化チタンを出発原料として、熱処理温度を変化させることによって、部分構造の比率を制御可能なことを特徴とする方法である。熱処理温度が低い場合には、ラムスデライト型結晶構造の部分構造の割合が多く、また、熱処理温度が高い場合には、ルチル型結晶構造の部分構造の割合が多い結晶構造を有する二酸化チタンの製造が可能であることが判明した。
本発明のうち、出発原料とするラムスデライト型構造を有する二酸化チタンは、ラムスデライト型LixTiO2を、ソフト化学的にリチウム脱離反応を行うことによって製造することができる。
以下に、実施例を示し、本発明の特徴とするところをより一層明確にする。本発明は、これら実施例に限定されるものではない。
a=4.8441(4)Å
b=9.4353(8)Å
c=2.9634(2)Å
Claims (3)
- 一般式TiO2で標記され、ラムスデライト型の結晶構造を有する部分構造とルチル型の結晶構造を有する部分構造が交互に積層していることを特徴とする新型二酸化チタン。
- 交互に積層されたラムスデライト型とルチル型の部分構造の割合が、任意に制御されたことを特徴とする請求項1に記載の新型二酸化チタン。
- ラムスデライト型二酸化チタン粉末を、150〜400℃の熱処理を行うことによって、ラムスデライト型の部分構造とルチル型の部分構造が交互に積層した、一般式TiO2で標記されるラムスデライト型結晶構造を有する部分構造とルチル型結晶構造を有する部分構造を有する新型二酸化チタンの製造方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009028530A1 (ja) * | 2007-08-28 | 2009-03-05 | Ishihara Sangyo Kaisha, Ltd. | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、該電極活物質を用いてなる蓄電デバイス |
WO2009028553A1 (ja) * | 2007-08-30 | 2009-03-05 | Ishihara Sangyo Kaisha, Ltd. | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、電極活物質を用いてなる蓄電デバイス |
WO2010058729A1 (ja) * | 2008-11-20 | 2010-05-27 | 独立行政法人産業技術総合研究所 | チタン酸化物及びその製造方法 |
-
2005
- 2005-11-15 JP JP2005329774A patent/JP4565160B2/ja not_active Expired - Fee Related
Non-Patent Citations (4)
Title |
---|
JPN6010005967, Junji Akimoto et al., "Synthesis and Crystal Structure of LixTi3O6(x=0.74): An Intergrowth Phase of Rutile and Ramsdellite", Journal of Solid State Chemistry, 19970215, Vol.129 No.1, Page.7−11, US * |
JPN6010005971, I. E. Grey et al., "New Phases Formed in the Li−Ti−O System under Reducing Conditions", Journal of Solid State Chemistry, 199806, Vol.138 No.1, Page.74−86, US * |
JPN6010005974, 秋本順二他, "ラムスデライト型TiO2の合成と構造", 日本化学会講演予稿集, 199303, Vol.65th No.1, Page.14, JP * |
JPN6010005979, A. LE. BAIL et al., "Crystal Structure and thermal behaviour of H2Ti3O7: A new defective ramsdellite form from Li+/H+ exc", Materials Research Bulletin, 199201, Vol.27 No.1, Page.75−85, US * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009028530A1 (ja) * | 2007-08-28 | 2009-03-05 | Ishihara Sangyo Kaisha, Ltd. | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、該電極活物質を用いてなる蓄電デバイス |
JPWO2009028530A1 (ja) * | 2007-08-28 | 2010-12-02 | 石原産業株式会社 | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、該電極活物質を用いてなる蓄電デバイス |
US8652351B2 (en) | 2007-08-28 | 2014-02-18 | Ishihara Sangyo Kaisha, Ltd. | Titanic acid compound, process for producing the titanic acid compound, electrode active material containing the titanic acid compound, and storage device using the electrode active material |
JP5612856B2 (ja) * | 2007-08-28 | 2014-10-22 | 石原産業株式会社 | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、該電極活物質を用いてなる蓄電デバイス |
WO2009028553A1 (ja) * | 2007-08-30 | 2009-03-05 | Ishihara Sangyo Kaisha, Ltd. | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、電極活物質を用いてなる蓄電デバイス |
JP5612857B2 (ja) * | 2007-08-30 | 2014-10-22 | 石原産業株式会社 | チタン酸化合物及びその製造方法並びに該チタン酸化合物を含む電極活物質、電極活物質を用いてなる蓄電デバイス |
US8900490B2 (en) | 2007-08-30 | 2014-12-02 | Ishihara Sangyo Kaisha, Ltd. | Titanic acid compound, process for producing the titanic acid compound, electrode active material containing the titanic acid compound, and storage device using the electrode active material |
KR101539791B1 (ko) * | 2007-08-30 | 2015-07-27 | 이시하라 산교 가부시끼가이샤 | 티탄산 화합물, 티탄산 화합물의 제조 방법, 티탄산 화합물을 포함하는 전극 활물질, 및 전극 활물질을 이용한 축전 디바이스 |
WO2010058729A1 (ja) * | 2008-11-20 | 2010-05-27 | 独立行政法人産業技術総合研究所 | チタン酸化物及びその製造方法 |
JP4474534B1 (ja) * | 2008-11-20 | 2010-06-09 | 独立行政法人産業技術総合研究所 | チタン酸化物及びその製造方法 |
JP2010150125A (ja) * | 2008-11-20 | 2010-07-08 | National Institute Of Advanced Industrial Science & Technology | チタン酸化物及びその製造方法 |
US8518367B2 (en) | 2008-11-20 | 2013-08-27 | National Institute Of Advanced Industrial Science And Technology | Titanium oxide and method of producing the same |
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