CN103864147A - Potassium niobate powder and preparation method thereof - Google Patents
Potassium niobate powder and preparation method thereof Download PDFInfo
- Publication number
- CN103864147A CN103864147A CN201210544546.4A CN201210544546A CN103864147A CN 103864147 A CN103864147 A CN 103864147A CN 201210544546 A CN201210544546 A CN 201210544546A CN 103864147 A CN103864147 A CN 103864147A
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- Prior art keywords
- koh
- potassium niobate
- hydrothermal synthesis
- solution
- water
- 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.)
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- UKDIAJWKFXFVFG-UHFFFAOYSA-N potassium;oxido(dioxo)niobium Chemical compound [K+].[O-][Nb](=O)=O UKDIAJWKFXFVFG-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000000843 powder Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 25
- 239000007864 aqueous solution Substances 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 239000000243 solution Substances 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 abstract description 22
- 238000009826 distribution Methods 0.000 abstract description 17
- 238000002425 crystallisation Methods 0.000 abstract description 12
- 230000008025 crystallization Effects 0.000 abstract description 12
- 238000005054 agglomeration Methods 0.000 abstract description 11
- 230000002776 aggregation Effects 0.000 abstract description 11
- 239000011259 mixed solution Substances 0.000 abstract description 9
- 238000004458 analytical method Methods 0.000 abstract description 3
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 243
- 239000010955 niobium Substances 0.000 description 37
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 29
- 239000008367 deionised water Substances 0.000 description 17
- 229910021641 deionized water Inorganic materials 0.000 description 17
- 239000012071 phase Substances 0.000 description 16
- 238000002441 X-ray diffraction Methods 0.000 description 15
- 239000002994 raw material Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 238000005406 washing Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- LUMVCLJFHCTMCV-UHFFFAOYSA-M potassium;hydroxide;hydrate Chemical compound O.[OH-].[K+] LUMVCLJFHCTMCV-UHFFFAOYSA-M 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000001778 solid-state sintering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201210544546.4A CN103864147B (en) | 2012-12-14 | 2012-12-14 | A kind of potassium niobate powder and preparation method thereof |
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CN201210544546.4A CN103864147B (en) | 2012-12-14 | 2012-12-14 | A kind of potassium niobate powder and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
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CN103864147A true CN103864147A (en) | 2014-06-18 |
CN103864147B CN103864147B (en) | 2016-03-16 |
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CN201210544546.4A Expired - Fee Related CN103864147B (en) | 2012-12-14 | 2012-12-14 | A kind of potassium niobate powder and preparation method thereof |
Country Status (1)
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CN (1) | CN103864147B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101186339A (en) * | 2007-12-04 | 2008-05-28 | 北京科技大学 | Microwave hydro-thermal synthesis method for sodium niobate potassium niobate leadless piezoelectric ceramic powder |
CN101249985A (en) * | 2008-03-25 | 2008-08-27 | 大连理工大学 | Controllable preparation method of orthorhombic-phase rhombohedral-phase sodium niobate having high Curie point |
CN101575215A (en) * | 2009-06-10 | 2009-11-11 | 桂林理工大学 | Hydro-thermal synthesis method of potassium niobate powder |
-
2012
- 2012-12-14 CN CN201210544546.4A patent/CN103864147B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101186339A (en) * | 2007-12-04 | 2008-05-28 | 北京科技大学 | Microwave hydro-thermal synthesis method for sodium niobate potassium niobate leadless piezoelectric ceramic powder |
CN101249985A (en) * | 2008-03-25 | 2008-08-27 | 大连理工大学 | Controllable preparation method of orthorhombic-phase rhombohedral-phase sodium niobate having high Curie point |
CN101575215A (en) * | 2009-06-10 | 2009-11-11 | 桂林理工大学 | Hydro-thermal synthesis method of potassium niobate powder |
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CN103864147B (en) | 2016-03-16 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Yan Lisha Inventor after: Zhang Tingting Inventor after: Zhou Xuemei Inventor after: Lei Wanying Inventor after: Xu Quanlong Inventor after: Wang Yinshu Inventor after: Yang Yanlian Inventor after: Liu Gang Inventor before: Yan Lisha Inventor before: Zhou Xuemei Inventor before: Xu Quanlong Inventor before: Zhang Tingting Inventor before: Wang Yinshu Inventor before: Yang Yanlian Inventor before: Liu Gang |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YAN LISHA ZHOU XUEMEI XU QUANLONG ZHANG TINGTING WANG YINSHU YANG YANLIAN LIU GANG TO: YAN LISHA ZHANG TINGTING ZHOU XUEMEI LEI WANYING XU QUANLONG WANG YINSHU YANG YANLIAN LIU GANG |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 |