摘要:
To provide a technique for realizing high-precision surface planarization when copper is used as a wiring metal. A polishing compound is used which comprises water; a peroxide oxidizer; a surface protective agent for copper; at least one first chelating agent selected from the group consisting of tartaric acid, malonic acid, malic acid, citric acid, maleic acid, oxalic acid and fumaric acid; and at least one second chelating agent selected from the group consisting of triethylenetetramine, ethylenediaminediacetic acid, ethylenediaminetetraacetic acid, tetraethylenepentamine, glycol-ether-diaminetetraacetic acid, trans-1,2-cyclohexanediaminetetraacetic acid, o-phenanthroline, and derivatives thereof.
摘要:
To provide a cathode active material for a lithium secondary battery, which is low in gas generation and has high safety and excellent durability for charge and discharge cycles even at a high charge voltage. A process for producing a lithium-containing composite oxide represented by the formula LipLqNxMyOzFa (wherein L is at least one element selected from the group of B and P, N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.1, 1.0≦q
摘要翻译:为了提供即使在高充电电压下,气体产生低,并具有高安全性和优异的充放电循环耐久性的锂二次电池用正极活性物质。 一种制备由下式表示的含锂复合氧化物的方法:其中R 1,R 2,R 2,R 3, (其中L是选自B和P中的至少一种元素,N是选自Co,Mn中的至少一种元素) Ni,M是选自Al,碱土金属元素和N以外的过渡金属元素中的至少一种元素,0.9 <= p <= 1.1,1.0 <= q <0.03,0.97 <= x <1.00 ,0 <= y <= 0.03,1.9 <= z <= 2.1,q + x + y = 1,0 <= a <= 0.02),其中含有N元素的锂复合氧化物粉末 ,M元素和氟原子; 将含锂复合氧化物粉末与含有L元素源的水溶液混合; 从所得混合物中除去水性介质,然后在含氧气氛中在300〜1050℃下烧成。
摘要:
To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.2, 0.95≦x≦2.00, 0≦y≦0.05, 1.9≦z≦4.2 and 0≦a≦0.05), which comprises firing a mixture of a lithium source, an N element source, an M element source and if necessary, a fluorine source, characterized in that an aqueous solution having an M element source dissolved therein is mixed with an N element source powder or its pulverized product to form a slurry; if necessary after being pulverized, the slurry is dried for granulation to obtain a granulated product, which is mixed with a lithium source powder and if necessary, a fluorine source powder to obtain a mixture; and the mixture is fired at from 700 to 1,100° C. in an oxygen-containing atmosphere.
摘要翻译:为了提供具有大容量密度和高安全性的用于锂二次电池用正极的含锂复合氧化物的方法,并且充放电循环耐久性和低温特性优异。 一种制备由下式表示的含锂复合氧化物的方法:其中R 1,R 2,R 2,R 3, (其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Al,碱土金属元素和过渡金属中的至少一种元素) 除了N,0.9 <= p <= 1.2,0.95 <= x <= 2.00,0 <= y <= 0.05,1.9 <= z <= 4.2和0 <= a <= 0.05),其包括烧 锂源,N元素源,M元素源和必要时的氟源的混合物,其特征在于将其中溶解有M元素源的水溶液与N元素源粉末或其粉碎产物混合形成 泥浆 如果需要,粉碎后,将浆料干燥造粒,得到粒状物,将其与锂源粉末混合,根据需要与需要的氟源粉末混合,得到混合物; 在含氧气氛中将混合物在700〜1100℃下烧成。
摘要:
A composite oxide suitable for an active material of a positive electrode for a lithium secondary cell which can be used in a wide range of voltage, has a large electric capacity and excellent low temperature performance and is excellent in the durability for charge-discharge cycles and highly safe, a process for its production, and a positive electrode and a cell employing it, are presented. The composite oxide is a lithium-cobalt composite oxide which is represented by the formula LiCo1-xMxO2, (wherein 0≦x≦0.02 and M is at least one member selected from the group consisting of Ta, Ti, Nb, Zr and Hf), and which has a half-width of the diffraction peak for (110) face at 2θ=66.5±1°, of from 0.070 to 0.180°, as measured by the X-ray diffraction using CuKα as a ray source.
摘要翻译:适用于能够在宽电压范围内使用的锂二次电池用正极活性物质的复合氧化物具有大电容和优异的低温性能,并且充放电循环的耐久性优异, 提供了高度安全的生产方法,以及使用它的正极和电池。 复合氧化物是由式LiCo 1-x M x O 2 O 2表示的锂钴复合氧化物,(其中0 < = x <= 0.02,M为选自Ta,Ti,Nb,Zr和Hf中的至少一种),并且其中(110)的衍射峰的半宽在2θ= 66.5± 通过使用CuKααX射线源的X射线衍射测量,其为1°,0.070至0.180°。
摘要:
It is to provide a positive electrode active material for a lithium secondary battery, which has a large volume capacity density, high safety, excellent properties for uniform coating, excellent durability for charge and discharge cycles and low temperature characteristics even at a high charge voltage. A process for producing a lithium-containing composite oxide represented by the formula LipNxMmOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.2, 0.9≦x
摘要翻译:本发明提供一种用于锂二次电池的正极活性物质,其即使在高充电电压下也具有体积容积密度大,安全性高,涂膜均匀性优异的充放电循环耐久性和低温特性。 一种制备由下式表示的含锂复合氧化物的方法:其中R 1,R 2,R 2,R 3, (其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Al,碱土金属元素和过渡金属中的至少一种元素) 除了N以外的元素,0.9 <= p <= 1.2,0.9 <= x <1.00,0
摘要:
A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide, which has a large volume capacity density, has a high safety and is excellent in charge and discharge cyclic durability, and its production process, are provided. A lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co or an alkaline earth metal element, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02) and comprising a mixture containing substantially spherical hard first particles of lithium-cobalt composite oxide having such a sharp particle size distribution that the volume basis cumulative size D10 is at least 50% of the average particle size D50, and the volume basis cumulative size D90 is at most 150% of the average particle size D50, and second particles of lithium-cobalt composite oxide filling the space among the first particles, in a mass ratio of first particles/second particles of from 1/2 to 9/1, and process for producing the same.
摘要翻译:提供了具有大体积容量密度的含有锂钴复合氧化物的锂二次电池用正极活性物质,其安全性高,充放电循环耐久性优异,其制造方法。 由下式表示的锂钴复合氧化物:由下式表示的锂 - 钴复合氧化物: a(其中M是除Co或碱土金属元素以外的过渡金属元素,0.9 <= p <= 1.1,0.980 <= x <= 1.000,0 <= y <= 0.02,1.9 < z <= 2.1,x + y = 1,0 <= a <= 0.02),并且包括含有基本上球形的硬质的第一个具有如此尖锐的粒度分布的锂 - 钴复合氧化物颗粒的混合物的混合物,体积基础累积尺寸D10为 平均颗粒尺寸D50的至少50%,体积基础累积尺寸D90为平均粒径D50的至多150%,并且以质量计填充第一颗粒之间的空间的第二种锂 - 钴复合氧化物颗粒 第一颗粒/第二颗粒的比率为1/2至9/1,及其制备方法。
摘要:
A semiconductor polishing compound comprising cerium oxide abrasive grains, water and an additive, wherein the additive is a water-soluble organic polymer such as ammonium polyacrylate or an anionic surfactant, the pH at 25° C. is from 3.5 to 6, and the concentration of the additive is from 0.01 to 0.5% based on the total mass of the polishing compound. This polishing compound simultaneously has dispersion stability, excellent scratch characteristics and excellent polishing planarization characteristics. In particular, this polishing compound provides excellent planarization characteristics having dishing fluctuation reduced, when used for polishing a semiconductor substrate having a silicon nitride film 3 and a silicon oxide film 2 formed on a silicon substrate 1. Further, the time for polishing a pattern wafer can be shortened by using this polishing compound.
摘要:
A composite oxide synthesized by a citrating process and utilized in functional ceramics materials is prepared by the following process. Co-precipitants or mixtures of at least one component selected from the group consisting of carbonates, basic copper and/or hydroxides of elements which compose a composite oxide are reacted with citric acid in an aqueous solution or in an organic solvent. The elements are selected from at least one element of the group consisting of Y, rare earth elements, transition elements, and alkali metal or alkaline earth metal elements. The citrate compound formed is baked to complete the composite oxide.The composite oxide synthesized by this invention has superconduction at the most temperature of 93.degree. K. with excellent Meissner effect.
摘要:
To provide an air electrode material powder for a solid oxide fuel cell, comprising a novel LSCF powder having a highly uniform composition suitable as an air electrode material for a solid oxide fuel cell, and its production process.A composite oxide having a perovskite structure and containing lanthanum, strontium, cobalt, iron and oxide, wherein the dispersion point determined by the peak intensity [La] of the Lα1 characteristic X-ray of lanthanum and the peak intensity [Sr] of the Lα1 characteristic X-ray of strontium as obtained by EPMA measurement, is present within a range of the formula (1) and the dispersion point determined by the peak intensity [Co] of the Kα1 characteristic X-ray of cobalt and the peak intensity [Fe] of the Kα1 characteristic X-ray of iron is present within a range of the formula (2): a[La]−150≦[Sr]≦a[La]+150 (1) b[Co]−300≦[Fe]≦b[Co]+300 (2) wherein 0.2≦a≦1.0 and 0.1≦b≦4.0.
摘要翻译:为了提供一种固体氧化物型燃料电池用空气极材料粉末及其制造方法,其特征在于,具有适合作为固体氧化物型燃料电池用空气极性材料的高度均匀组成的新型LSCF粉末。 具有钙钛矿结构并含有镧,锶,钴,铁和氧化物的复合氧化物,其中由镧的Lα1特征X射线的峰强度[La]和Lα1的峰强度[Sr] 通过EPMA测定获得的锶特征X射线存在于式(1)的范围内,并且由钴的Kα1特征X射线的峰强度[Co]确定的色散点和峰强度[Fe ]]]>在式(2)的范围内存在铁的Kα1特征X射线:a [La] -150&nlE; [Sr]&nlE; a [La] +150(1)b [Co] -300& [Fe]&nlE; b [Co] +300(2)其中0.2&nlE; a&nlE; 1.0和0.1&nlE; b&nlE; 4.0。
摘要:
A compound represented by the following formula (a): CH2═CR1—CONJ-CGR2—(CH2)n—COO-Q1-Rf1 (a) is provided. This compound is capable of forming a polymer having an oil repellency equivalent to polymers containing a polyfluoroalkyl group containing at least 8 carbon atoms, although the polyfluoroalkyl group contains up to 6 carbon atoms. In the formula, R1 is hydrogen atom or methyl group, R2 is hydrogen atom or a group represented by —(CH2)m—COO-Q2-Rf2 (r), n and m are independently an integer of 0 to 4, Rf1 and Rf2 are independently a polyfluoroalkyl group or a polyfluoroether group containing 1 to 6 carbon atoms, Q1 and Q2 are independently single bond or a divalent linkage group, J is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, and G is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms.