Abstract:
본발명은적어도 Li 및 Ni, Mn을함유하는스피넬형구조를갖는화합물을포함하는정극활성물질입자분말이고, 상기정극활성물질입자분말의 Li 함유량은몰비로 Li/(Ni+Mn)가 0.3 내지 0.65이며, Ni 함유량은 5 내지 25 중량%, Na 함유량은 0.05 내지 1.9 중량%, S 함유량은 0.0005 내지 0.16 중량%이고, Na 함유량과 S 함유량의합이 0.09 내지 1.9005 중량%인것을특징으로하는정극활성물질입자분말에관한것이다. 본발명의정극활성물질입자분말은높은방전전압을갖고, 방전용량이우수한비수부전해질이차전지용정극활성물질입자분말로서바람직하다.
Abstract:
Partículas de sustancia activa para un electrodo positivo que comprenden un compuesto que tiene una estructura de tipo espinela que comprende al menos Li, Ni y Mn, y donde su relación molar de Li / (Ni + Mn) es de 0,3 a 0,65, el contenido de Ni es de 5 a 25% en peso, el contenido de Na es de 0,05 a 1,9% en peso, y el contenido de S es de 0,0005 a 0,16% en peso, y la suma del contenido de Na y el contenido de S es de 0,09 a 1,9005% en peso.
Abstract:
32 An injection-molding apparatus comprising: an injection machine, a mold unit connected to said injection machine and comprising separable molds, which constitutes therein a cavity for forming a molded product, and a holding means disposed adjacent to said mold unit for removing said molded product from said mold unit, comprising a plural of chucks adapted to advance into and retreat from a region defined between the opened molds of the mold unit, said molded product being subjected to a primary cooling in the cavity of said mold unit and then subjected to a secondary cooling after removed from the mold unit, and the ratio of the number of said chuck to the number of said cavity being set to a value not less than a ratio of an operation time of each chuck to an operation time of said mold unit; and a method for injection-molding a molding material comprising a thermoplastic resin and an inorganic filler using the apparatus. The injection-molding apparatus and method according to the present invention are useful for the production of such articles required to have a high dimensional accuracy, for example electronic parts such as a magnet roll or the like.
Abstract:
Partículas de sustancia activa de electrodo positivo que comprenden un compuesto que tiene al menos un sistema cristalino perteneciente a un grupo espacial de R-3m y un sistema cristalino perteneciente a un grupo espacial de C2/m, comprendiendo el compuesto un óxido de material compuesto que comprende al menos Li, Mn y Co y/o Ni, un elemento A (al menos un elemento seleccionado del grupo que consiste en Al, Mg, Ti, Zr, Ca, Fe, Zn, Mo y Bi), boro y flúor, en el que se controla un contenido de Mn en el compuesto de manera que una relación molar del Mn con respecto a una suma de Ni, Co y Mn [Mn/(Ni + Co + Mn)] en el mismo no sea inferior a 0,55; un contenido de boro en el compuesto sea del 0,01 al 1 % en peso; un contenido de flúor en el compuesto sea del 0,01 al 5 % en peso; un contenido del elemento A en el compuesto sea del 0,004 al 9 % en peso; y una relación de intensidad relativa [(a)/(b)] de una intensidad de pico de difracción máxima (a) observada a 2θ >= 20,8 ± 1 º en un patrón de difracción de rayos X en polvo de las partículas de sustancia activa de electrodo positivo medido usando un rayo Cu-Kα con respecto a una intensidad de pico de difracción máxima (b) observada a 2θ >= 18,6 ± 1 º en el patrón de difracción de rayos X de polvo [(a)/(b)] es de 0,02 a 0,2.
Abstract:
Unas partículas de óxido de material compuesto de Li-Ni para una batería secundaria de electrolito no acuoso, que comprenden un óxido de material compuesto de Li-Ni cuyas partículas secundarias forman las partículas del núcleo de la misma y tienen una composición representada por la fórmula: Lix1Ni1-y1-z1-w1Coy1Mnz1Mw1O2-v1Kv1 (en la que 0,9
Abstract:
This invention provides an Li-Ni composite oxide particle powder for a rechargeable battery with a nonaqueous electrolyte, which has a high charge/discharge capacity and has excellent filling properties and storage properties. The Li-Ni composite oxide particle powder for a rechargeable battery with a nonaqueous electrolyte has a composition represented by LixNi1-y-zCoyAlzO2 wherein 0.9
Abstract:
This invention provides an Li-Ni composite oxide particle powder for a re chargeable battery with a nonaqueous electrolyte, which has a high charge/di scharge capacity and has excellent filling properties and storage properties . The Li-Ni composite oxide particle powder for a rechargeable battery with a nonaqueous electrolyte has a composition represented by LixNi1-y-zCoyAlzO2 wherein 0.9
Abstract:
The present invention provides: a positive electrode active material particle powder for nonaqueous electrolyte secondary batteries, which has excellent service life characteristics with respect to charge/discharge cycle performance; and a nonaqueous electrolyte secondary battery. The present invention relates to: a positive electrode active material for nonaqueous electrolyte secondary batteries, which is composed of a lithium-transition metal layered oxide that has a composition represented by Lia(NixCoyMn1-x-y)O2 (wherein 1.0 = a = 1.15, 0
Abstract:
Disclosed is a Li-Ni complex oxide particle powder for nonaqueous electro lyte secondary batteries, which has high charge/discharge capacity while bei ng excellent in thermal stability during charging. Specifically disclosed is a Li-Ni complex oxide particle powder for nonaqueous electrolyte secondary batteries, wherein a secondary particle as the nucleus has a composition rep resented by: Lix1Ni1-y1-z1-w1Coy1Mnz1Mw1O2 (wherein 0.9