摘要:
To provide an NiO-GDC composite powder or NiO-SDC composite powder having a uniform composition, which is suitable as an anode material for a solid oxide fuel cell.A process for producing an anode material for a solid oxide fuel cell, made of a composite powder comprising a composite oxide containing cerium element and gadolinium or samarium element, and oxygen element, and an oxide containing nickel element and oxygen element, which comprises a dissolving step of mixing raw material compounds containing metal elements constituting the above composite powder, at least one organic acid selected from the group consisting of maleic acid, lactic acid and malic acid, and a solvent to obtain a metal elements-containing solution, and a drying/sintering step of drying and sintering the metal elements-containing solution.
摘要:
To provide a composite oxide powder for a solid oxide fuel cell containing lanthanum, strontium and/or calcium, manganese and oxygen and having a highly uniform composition, and its production method. A composite oxide powder containing lanthanum, strontium and/or calcium, manganese and oxygen, wherein the coefficient of variation (α) of lanthanum is at most 6.0% and the coefficient of variation (β) of manganese is at most 13.0%, as calculated from the peak area ratio of the Lα ray of lanthanum and the Kα ray of manganese measured by an energy dispersive X-ray spectrometer attached to a scanning electron microscope.
摘要:
A fluorine-containing compound exhibiting excellent surface tension-reducing ability despite the absence of perfluoroalkyl group having a chain length of 8 or more which had been the cause of the PFOS and PFOA problems and use of a fluorine material with low environmental load is provided. Also provided are a fluorine-containing surfactant and a composition thereof, an aqueous resin emulsion and a floor polish composition containing such surfactant. The fluorine-containing compound is represented by the following formula (1): Rf1—CpH2p—CH(OH)—CqH2q—NR—CrH2r—(O)n—SO3M (1) wherein Rf1 is a C1-6 perfluoroalkyl group, p, q, and r are independently an integer of 1 to 6, M is a cationic atom or atomic group, n is 0 or 1, R is hydrogen atom, a C1-12 alkyl group, or a group represented by the following formula (2): Rf2—CsH2s—CH(OH)—CtH2t— (2) wherein Rf2 is a C1-6 perfluoroalkyl group, and s and t are independently an integer of 1 to 6.
摘要:
A compound represented by the following formula (a): CH2═CR1—CONJ-CKR2—(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, K is hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, and j and k are independently single bond or an alkylene group containing 1 to 3 carbon atoms with the proviso that j and k are not simultaneously single bond.
摘要:
A process for producing a lithium-containing composite oxide having a large volume capacity density, high safety, excellent durability for charge/discharge cycles, and excellent low temperature characteristics. An oxide of general formula LipNxMyOzFa (wherein N is at least one of Co, Mn or Ni, M is at least one of Al, an alkali earth metal element, a transition metal element other than N, 0.9≦p≦1.2, 0.97≦x≦1.00, 0≦y≦0.03, 1.9≦z≦2.2, x+y=1 and 0≦a≦0.02) can be produced.
摘要:
To provide a process for producing a surface modified lithium-containing composite oxide, which is excellent in discharge capacity, volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, at a low production cost. The present invention is characterized in that a process for producing a surface modified lithium-containing composite oxide, wherein a lithium titanium composite oxide is contained in the surface layer of particles of a lithium-containing composite oxide represented by the formula: LipNxMyOzFa, where 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, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9≦p≦1.3, 0.9≦x≦2.0, 0≦y≦0.1, 1.9≦z≦4.2, and 0≦a≦0.05, which comprises impregnating a solution having a lithium source and a titanium source dissolved therein, followed by heat treatment at a determined temperature, to obtain the surface modified lithium-containing composite oxide, wherein the titanium contained in the surface layer is from 0.01 to 1.95 mol %.
摘要:
The present invention provides 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 excellent durability for charge and discharge cycles and charge and discharge rate property, and its production method.The lithium-containing composite oxide is represented by the general formula LipNxMyOzFa (where 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, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9≦p≦1.2, 0.965≦x
摘要翻译:本发明提供一种锂二次电池用正极用锂复合氧化物,其具有体积容量密度大,安全性高,充放电循环耐久性,充放电率特性及其制造方法 。 含锂复合氧化物由通式LipNxMyOzFa(其中N是选自Co,Mn和Ni中的至少一种元素)表示,M是选自Al,Sn,碱性中的至少一种元素 土壤金属元素和除Co,Mn和Ni之外的过渡金属元素,0.9 <= p <= 1.2,0.965 <= x <2.00,0
摘要:
It is intended to provide novel amino group-containing heterocyclic derivatives, which have a broad absorption zone in the visible region and are suitable for sensitizing dyes for photoelectric conversion having a high photoelectric conversion efficiency, and photoelectric conversion materials, photoelectric conversion electrodes and photoelectric conversion cells using the same. Namely, a heterocyclic derivative represented by the following general formula (I) and containing an amino group at the terminus: wherein R1, R2, R4 and R5 independently represent each a hydrogen atom or a monovalent organic group optionally having one or more substituent; R3 represents an anchor group capable of binding to an inorganic porous material showing semiconductor characteristics; X represents a divalent aromatic hydrocarbon group or a combination of two or more aromatic hydrocarbons being divalent or higher; Y represents a divalent aromatic heterocyclic group having a sulfur atom; Z represents a divalent aromatic heterocyclic group, a divalent aromatic hydrocarbon group, a divalent unsaturated hydrocarbon group or a combination thereof; and m is an integer of from 1 to 3.
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。