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34 条记录 (耗时 0.029 秒)

    Barium titanate and production and process thereof
    1.
    发明授权
    Barium titanate and production and process thereof 有权
    钛酸钡及其制备及其工艺

    公开(公告)号：US07431911B2

    公开(公告)日：2008-10-07

    申请号：US10189371

    申请日：2002-07-03

    申请人： Akihiko Shirakawa ,  Hitoshi Yokouchi

    发明人： Akihiko Shirakawa ,  Hitoshi Yokouchi

    IPC分类号： C01G23/00 ,  H01G4/12 ,  C04B35/46

    CPC分类号： C04B35/63 ,  C01G23/006 ,  C01P2002/34 ,  C01P2002/77 ,  C01P2006/12 ,  C01P2006/40 ,  C04B35/4682 ,  C04B2235/3215 ,  C04B2235/44 ,  C04B2235/5409 ,  C04B2235/761 ,  H01G4/1227

    摘要： The present invention provides a barium titanate having a small particle size, containing small amounts of unwanted impurities, and exhibiting excellent electric characteristics, which can be employed for forming a dielectric ceramic thin film required for a small-sized capacitor which enables production of a small-sized electronic apparatus; and a process for producing the barium titanate. When a titanium oxide sol is reacted with a barium compound in an alkaline solution containing a basic compound, the basic compound is removed in the form of gas after completion of reaction, and the resultant reaction mixture is fired, a barium titanate having a large BET specific surface area and a high tetragonality content is produced.

    摘要翻译： 本发明提供了一种具有小量的不需要的杂质，具有优异的电特性的小粒径的钛酸钡，可用于形成小型电容器所需的电介质陶瓷薄膜，该小型电容器能够生产小型 尺寸电子设备; 和钛酸钡的制造方法。 当氧化钛溶胶与含有碱性化合物的碱性溶液中的钡化合物反应时，在反应完成后，以气体形式除去碱性化合物，并将所得反应混合物烧制，具有大的BET的钛酸钡 产生比表面积和高的四边形含量。

    Cathode electroactive material, production method and nonaqueous secondary battery comprising the same
    3.
    发明授权
    Cathode electroactive material, production method and nonaqueous secondary battery comprising the same 失效
    阴极电活性材料，制造方法和包含该阴极电活性材料的非水二次电池

    公开(公告)号：US06337157B1

    公开(公告)日：2002-01-08

    申请号：US09084599

    申请日：1998-05-27

    申请人： Akihiko Shirakawa ,  Takao Noda

    发明人： Akihiko Shirakawa ,  Takao Noda

    IPC分类号： H01M450

    CPC分类号： H01M4/131 ,  C01G45/1221 ,  C01G45/1235 ,  C01G45/1242 ,  C01P2002/32 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2006/10 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/505 ,  H01M10/052 ,  H01M2004/021

    摘要： A cathode electroactive material is disclosed, comprising a compound oxide having a spinel structure. The compound oxide comprises lithium, manganese and oxygen and has an atomic ratio of lithium to manganese of Li/Mn=0.48 to 0.55, a true density of 4.05 g/cm3 or more and a lattice constant of 8.240 Å or less. The compound oxide is obtained by mixing a lithium compound with manganese carbonate having a specific surface area of 10 m2/g or more, then reacting the mixture at a temperature of from 350 to 680° C. for at least one hour, and heat-treating the resulting spinel structure compound oxide at a temperature of from 730 to 900° C. Also disclosed is a nonaqueous secondary battery comprising the cathode electroactive material.

    摘要翻译： 公开了一种阴极电活性材料，其包括具有尖晶石结构的复合氧化物。 复合氧化物包含锂，锰和氧，并且锂与锰的原子比为Li / Mn = 0.48〜0.55，真密度为4.05g / cm 3以上，晶格常数为8.240以下。 复合氧化物通过将锂化合物与比表面积为10m 2 / g以上的碳酸锰混合，然后在350〜680℃的温度下使混合物反应1小时以上， 在730〜900℃的温度下处理得到的尖晶石结构复合氧化物。还公开了包含阴极电活性材料的非水二次电池。

    Complex oxide film and method for producing same, composite body and method for producing same, dielectric material, piezoelectric material, capacitor, piezoelectric element and electronic device
    4.
    发明授权
    Complex oxide film and method for producing same, composite body and method for producing same, dielectric material, piezoelectric material, capacitor, piezoelectric element and electronic device 有权
    复合氧化物膜及其制造方法，复合体及其制造方法，介电材料，压电材料，电容器，压电元件和电子器件

    公开(公告)号：US08486492B2

    公开(公告)日：2013-07-16

    申请号：US12159492

    申请日：2006-12-27

    申请人： Akihiko Shirakawa

    发明人： Akihiko Shirakawa

    IPC分类号： B05D3/10 ,  B05D3/14

    CPC分类号： C01G23/006 ,  C01P2006/40 ,  C04B35/47 ,  C04B2235/616 ,  C04B2235/768 ,  C25D11/26 ,  H01G4/1227 ,  H01L21/31691 ,  H01L28/55 ,  H01L41/39

    摘要： The invention aims at providing a complex oxide film having a high relative dielectric constant and a high voltage resistance, whose film thickness can be arbitrarily controlled, and a manufacturing method thereof, a composite body comprising the complex oxide film and a manufacturing method thereof, a dielectric or piezoelectric material comprising the complex oxide film or composite body, a capacitor or piezoelectric element comprising the complex oxide film advantageous to improve voltage resistance, and an electronic device equipped with the same, without involving any complicated or large scale equipment. The complex oxide film can be obtained by forming a metal oxide film containing a titanium element on a substrate surface and then allowing a solution containing strontium ion to react with the metal oxide film. A capacitor including the complex oxide film as dielectric material and a piezoelectric element including it as piezoelectric material can be produced.

    摘要翻译： 本发明的目的在于提供一种具有高相对介电常数和高耐压性的复合氧化膜，其膜厚度可任意控制，其制造方法，包含复合氧化物膜的复合体及其制造方法， 包含复合氧化物膜或复合体的电介质或压电材料，包含有利于提高耐电压性的复合氧化物膜的电容器或压电元件以及配备该复合氧化物膜的电子器件，而不涉及任何复杂的或大规模的设备。 复合氧化物膜可以通过在基板表面上形成含有钛元素的金属氧化物膜，然后使含有锶离子的溶液与金属氧化物膜反应来获得。 可以制造包括作为电介质材料的复合氧化物膜的电容器和包括它作为压电材料的压电元件。

    Capacitor and method for manufacturing same
    7.
    发明授权
    Capacitor and method for manufacturing same 失效
    电容器及其制造方法

    公开(公告)号：US07697267B2

    公开(公告)日：2010-04-13

    申请号：US12159699

    申请日：2006-12-27

    申请人： Hideki Oohata ,  Akihiko Shirakawa

    发明人： Hideki Oohata ,  Akihiko Shirakawa

    IPC分类号： H01G9/00

    CPC分类号： H01G9/0032 ,  H01G9/042 ,  H01G9/07 ,  H01G11/46 ,  H01G11/48 ,  H05K1/162 ,  Y02E60/13 ,  Y10T29/41 ,  Y10T29/417

    摘要： The present invention relates to a capacitor having high capacitance, low ESR (equivalent series resistance) in a high-frequency region and low leakage current, including a composite oxide film obtained by reaction of an oxide film obtained by subjecting the surface of the substrate comprising valve-acting metal element to electrolytic oxidation with a solution in which metal ion and an organic base are dissolved and by subsequently sintering the reactant, a solid electrolyte formed on the composite oxide film and a conductor layer formed thereon; a method for producing the same and electronic devices using the same.

    摘要翻译： 本发明涉及具有高电容，高频区域的低ESR（等效串联电阻）和低漏电流的电容器，包括通过使基板的表面经受包含的氧化物膜而得到的复合氧化膜，所述复合氧化膜包括 阀芯作用金属元素用溶解金属离子和有机碱的溶液进行电解氧化，随后烧结反应物，形成在复合氧化物膜上的固体电解质和形成在其上的导体层; 其制造方法和使用其的电子器件。

    Cathode electroactive material, production method therefor and secondary cell
    10.
    发明授权
    Cathode electroactive material, production method therefor and secondary cell 失效
    阴极电活性材料及其制备方法和二次电池

    公开(公告)号：US06699618B2

    公开(公告)日：2004-03-02

    申请号：US09785258

    申请日：2001-02-20

    申请人： Takao Noda ,  Akihiko Shirakawa ,  Joseph Gaze ,  Yoshiaki Yamauchi ,  Fumiyoshi Ono

    发明人： Takao Noda ,  Akihiko Shirakawa ,  Joseph Gaze ,  Yoshiaki Yamauchi ,  Fumiyoshi Ono

    IPC分类号： H01M450

    CPC分类号： H01M4/505 ,  H01M4/131 ,  H01M4/485 ,  H01M10/0525 ,  H01M2004/021

    摘要： A cathode electroactive material for use in lithium ion secondary cells, process for producing the material, and lithium ion secondary cells using the cathode electroactive material, wherein the electroactive material predominantly comprises an Li—Mn composite oxide particles with the spinel structure and particles of the electroactive material have an average porosity of 15% or less, the porosity being calculated by employing the following equation: Porosity (%)=(A/B)×100  (1) (wherein A represents a total cross-section area of pores included in a cross-section of one secondary particle, and B represents the cross-section area of one secondary particle), a tapping density of 1.9 g/ml or more, a size of crystallites of 400 Å-960 Å, a lattice constant of 8.240 Å or less. The cathode electroactive material of the present invention is formed of particles which are dense and spherical and exhibit excellent packing characteristics to an electrode, and exhibit high initial capacity and capacity retention percentage at high temperature.

    摘要翻译： 一种用于锂离子二次电池的阴极电活性材料，该材料的制造方法以及使用该阴极电活性材料的锂离子二次电池，其中该电活性材料主要包含具有尖晶石结构的Li-Mn复合氧化物颗粒和 电活性材料具有15％以下的平均孔隙率，通过使用以下等式计算孔隙率：（其中A表示包含在一个二次颗粒的横截面中的孔的总横截面积，B表示交叉 一个二次粒子的截面积），攻丝密度为1.9g / ml以上，微晶尺寸为400〜960，晶格常数为8.240以下。本发明的阴极电活性材料形成 的致密和球形的颗粒，并且对电极表现出优异的填充特性，并且在初始容量和容量保持率方面表现出高的性能 高温。