KR930023308A - 납 금속 니오베이트의 제조 방법 - Google Patents

납 금속 니오베이트의 제조 방법 Download PDF

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KR930023308A
KR930023308A KR1019930009310A KR930009310A KR930023308A KR 930023308 A KR930023308 A KR 930023308A KR 1019930009310 A KR1019930009310 A KR 1019930009310A KR 930009310 A KR930009310 A KR 930009310A KR 930023308 A KR930023308 A KR 930023308A
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metal
niobate
perovskite
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citrate solution
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라이헤르트 칼하인쯔
트뢰거 하랄트
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칼-하인쯔 슐츠, 디터 보르만
하. 체. 스타르크 게엠베하 운트 코. 카게
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
    • C04B35/497—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates based on solid solutions with lead oxides
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    • C—CHEMISTRY; METALLURGY
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    • C01P2002/34—Three-dimensional structures perovskite-type (ABO3)
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Abstract

페로브스카이트 중간체를 대응하는 염 용액으로부터 형성하고, 이를 분리하고, 건조시키고, 500 내지 1000℃의 온도에서 하소시키는 것으로 이루어지는, 일반식 Pb3Me(Ⅱ)N2bO3또는 Pb2Me(Ⅲ)NbBO6(여기서, Me=Mg, Fe, Co, Ni, Cr, Mn, Cd, Cu 및 (또는)Zn)에 대응하는 페로브스카이트 구조의 고도로 반응성인 순수상 납 금속 니오베이트를 제조방법이 개신된다.

Description

납 금속 니오베이트의 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (15)

  1. 페로브스카이트 중간체를 대응하는 염 용액으로부터 얻고, 이를 분리시키고, 건조시키고, 500 내지 1000℃의 온도에서 하소시키는 것으로 이루어지며, 금속염 용액을 시트레이트를 형태로 사용하여 암모니아와 반응시켜서 5% 이하의 피로클로르 함량을 갖는 니오베이트를 얻고, 이 니오베이트를 분리시키는 것을 특징으로 하는 일반식 Pb3Me(Ⅱ)Nb2O3또는 Pb2Me(Ⅲ)NbBO6(여기서, Me=Mg, Fe, Co, Ni, Cr, Mn, Cd, Cu 및 Zn)에 대응하는 페로브스카이트 구조의 고도로 반응성인 순수상 납 금속 니오베이트의 제조방법.
  2. 제항에 있어서, Nb성분이 시트르산 중에 용해된 수산화니오븀 또는 니오브산 형태로 금속 시트레이트 용액에 도입되는 것인 방법.
  3. 제2항에 있어서, 하소가 30분 내지 4시간 동안 수행되는 것인 방법.
  4. 제1항에 있어서, 하소가 30분 내지 4시간 동안 수행되는 것인 방법.
  5. 제1항 내지 제4항 중의 어느 한 항에 있어서, 금속(Me)이 Mg, Ni, Fe 및(또는) Zn인 방법.
  6. 제1항 내지 제4항 중의 어느 한 항에 있어서, 페로브스카이트 중간체가 2 내지 5의 범위인 pH값에서 고체로서 얻어지는 것인 방법.
  7. 제1항 내지 제4항 중의 어느 한 항에 있어서, 페로브스카이트 중간체가 약 6이상의 pH값에서 금속 시트레이트 용액의 농축에 의해 겔 형태로 얻어지는 것인 방법.
  8. 제1항에 있어서, 겔이 1종 이상의 유기 용매의 첨가로결정화되는 것인 방법.
  9. 제8항에 있어서, 첨가 유기 용매로서 알코올 및(또는) 케톤이 사용되는 방법.
  10. (a)니오븀, 납 및 Mg, Fe, Co, Ni, Cr, Cd, Cu 및 Zn으로 이루어지는 군에서 선택된 금속을 포함하는 3원 이상의 용질 혼합물의 염의 시트레이트 용액을 형성하고, (b)이 용액의 pH를 상승시켜 페로브스카이트 전구물질을 제조하고, (c) 이 전구물질로부터 용액을 분리시키고, (d) 전구물질을 건조 및 가열하고, 500-1000℃에서 30분 내지 4시간 동안 하소시켜 5% 이하의 피로클로르 함량을 갖는 고도의 순수상 니오베이트를 제조하는 단계들로 이루어지는, 페로브스카이트 구조의 고도로 반응성인 순수상 납 금속 니오베이트를 제조 방법.
  11. 제10항에 있어서, 시트레이트 용액을 암모니아와 반응시켜 시트레이트 용액의 pH를 조절하고 니오베이트를 얻는 것인 방법.
  12. 제10항에 있어서, Nb성분을 시트르산 중에 용해된 수산화니오븀 또는 니오브산 형태로 금속 시트레이트 용액에 도입시키는 것인 방법.
  13. 제10항 내지 제12항 중의 어느 한 항에 있어서, 금속이 Mg, Ni, Fe 및(또는) Zn인 방법.
  14. 제10항 내지 제12항 중의 어느 한 항에 있어서, 페로브스카이트 전구물질이 2 내지 5의 범위의 pH값에서 고체로서 얻어지는 것인 방법.
  15. 제10항 내지 제12항 중의 어느 한 항에 있어서, 페로브스카이트 전구물질이 약 6이상의 pH값에서 금속시트레이트 용액의 농축에 의해 겔 형태로 얻어지는 것인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930009310A 1992-05-29 1993-05-27 납 금속 니오베이트의 제조 방법 KR100250024B1 (ko)

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DE (2) DE4217818C1 (ko)
ES (1) ES2101161T3 (ko)

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US5410209A (en) * 1993-01-27 1995-04-25 Kabushiki Kaisha Toshiba Piezoelectric material and ultrasonic probe
DE4423863A1 (de) 1994-07-07 1996-01-11 Bayer Ag Verfahren zur Herstellung von Arylcarbonaten
US5792442A (en) * 1995-12-05 1998-08-11 Fmc Corporation Highly homogeneous spinel Li1+X Mn2-X O4 intercalation compounds and method for preparing same
JP3087644B2 (ja) * 1996-03-26 2000-09-11 株式会社村田製作所 誘電体磁器組成物
JPH11509827A (ja) * 1996-04-05 1999-08-31 エフエムシー・コーポレイション スピネルＬｉ▲下１＋ｘ▼Ｍｎ▲下２―ｘ▼０▲下４＋ｙ▼層間化合物の製造方法
US5718877A (en) * 1996-06-18 1998-02-17 Fmc Corporation Highly homogeneous spinal Li1+x Mn2-x O4+y intercalation compounds and method for preparing same
KR100366226B1 (ko) * 2000-02-02 2002-12-31 한국과학기술원 리튬이차전지용 정극재료의 제조방법
US7785527B1 (en) 2003-11-06 2010-08-31 Drexel University Method of making mixed metal oxide ceramics
JP6205248B2 (ja) * 2013-11-21 2017-09-27 Ｄｏｗａホールディングス株式会社 リチウムとニオブ錯体とを含有する溶液、およびその製造方法、並びにリチウムイオン電池
CN106946293A (zh) * 2017-04-17 2017-07-14 济南大学 一种高纯铌铁矿的合成方法

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EP0294991A3 (en) * 1987-06-10 1989-08-16 Nippon Steel Corporation Readily sinterable powder of perovskite type oxide containing group va element and laminated element obtained therefrom
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JP3081212B2 (ja) * 1990-03-06 2000-08-28 日産自動車株式会社 部分クエン酸塩法による複合酸化物の合成方法

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EP0575745B1 (de) 1997-03-26
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JP2712120B2 (ja) 1998-02-10
EP0575745A1 (de) 1993-12-29
DE59305930D1 (de) 1997-04-30
JPH0624747A (ja) 1994-02-01
DE4217818C1 (ko) 1993-09-16
KR100250024B1 (ko) 2000-03-15

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