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:
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 lithium-containing composite oxide for a positive electrode for a lithium secondary battery is prepared by formulating a powder mixture by impregnating an N element source powder having an average particle size (D50) ranging from 2 to 20 μm with an aqueous solution of a carboxylic acid having a total of two or more carboxylic acid groups or carboxylic acid groups and hydroxyl groups in its molecule, and optionally, containing an M element, or its salt, and then drying the material obtained; and firing the N element powder material in admixture with a lithium source, optionally, an M element source and a fluorine source, at a temperature ranging from 700° C. to 1050° C. in an oxygen-containing atmosphere, thereby obtaining a lithium-containing composite oxide having 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 Sn, Zn, Al, alkaline earth metal elements, and transition metal elements other than N, 0.9≦p≦1.1, 0.97≦x≦1.00, 0
摘要翻译:通过将平均粒度(D50)为2〜20μm的N元素源粉末与羧酸的水溶液浸渍,配制粉末混合物,制备锂二次电池用正极用锂复合氧化物 在其分子中具有总共两个以上的羧酸基团或羧酸基团和羟基的酸,并且任选地含有M元素或其盐,然后干燥获得的材料; 在含氧气氛中,在700℃〜1050℃的温度下,将N元素粉末材料与可选择的M元素源和氟源的锂源混合,从而得到锂 含有式的复合氧化物,其具有下式:其中R 1,R 2,R 3, SUB>,其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Sn,Zn,Al,碱土金属元素和过渡金属元素中的至少一种元素,其他 比N = 0.9 <= p <= 1.1,0.97 <= x <= 1.00,0
摘要:
It is to provide a positive electrode active material for a lithium secondary battery, which has a large volume capacity density and high safety, is excellent in uniform coating properties and is excellent in the charge and discharge cyclic durability and low temperature characteristics even at a high charge voltage. A process for producing a lithium-containing composite oxide represented by the formula LipQqNxMyOzFa (wherein Q is at least one element selected from the group consisting of titanium, zirconium, niobium and tantalum, 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 the Q element and the N element, 0.9≦p≦1.1, 0
摘要翻译:本发明提供一种具有容量密度大,安全性高的锂二次电池用正极活性物质,均匀涂布性能优异,即使在高温下也具有优异的充放电循环耐久性和低温特性 充电电压。 一种由下式表示的含锂复合氧化物的制备方法:其中R 1,R 2,R 2,R 3, (其中Q是选自钛,锆,铌和钽中的至少一种元素,N是选自下组中的至少一种元素:其中Q是选自钛,锆,铌和钽中的至少一种元素, 由Co,Mn和Ni组成,M是选自Al,碱土金属元素和Q元素和N元素以外的过渡金属元素中的至少一种元素,0.9 <= p <= 1.1,0 < 来自锂源的q <= 0.03,0.97 <= x <1.00,0 <= y <0.03,1.9 <= z <= 2.1,q + x + y = 1和0 <= a <= 0.02) 元素源和N元素源,并且如果需要,选自由M元素源和氟源组成的组中的至少一种源,其特征在于将作为Q元素源的Q元素化合物水溶液用作pH值为 0.5至11。
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。 一种由式LiLqNxMyOzFa(其中L是选自B和P中的至少一种元素,N是选自Co,Mn和Ni中的至少一种元素)的由式LiLqNxMyOzFa表示的含锂复合氧化物的方法, M是选自Al,碱土金属元素和除N之外的过渡金属元素中的至少一种元素,0.9&nlE; p&nlE; 1.1,1.0&amp; nlE; q <0.03,0.97&amp; nlE; x <1.00,0和nlE; y& ;其中含有N元素,如果需要的话,含有M元素和氟的含锂复合氧化物粉末是预先形成的,其中,0.03,1.9和nlE; z和nlE; 2.1,q + x + y = 1和0& 准备 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:
A process to produce a positive electrode active material for a lithium secondary battery, having a large volume capacity density and high safety, uniform coating properties, charge and discharge cyclic durability and low temperature characteristics even at a high charge voltage is disclosed.The positive electrode active material is 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 Sn, Zn, Al, alkaline earth metal elements, and transition metal elements other than the N element, O.9≦p≦l.1, 0.97≦x≦l.00, 0≦y≦0.03, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02. The N element source powder having an average particle size of from 2 to 20 μm, is impregnated with the M element salt aqueous solution, and the prepared dry powder comprising the N element, M element, a lithium source and optionally a fluorine source is fired at from 700 to 1 ,050° C. in an oxygen-containing atmosphere.
摘要翻译:公开了一种生产锂二次电池用正极活性物质的方法,其即使在高充电电压下也具有体积容量密度大,安全性高,涂布性能均匀,充放电循环耐久性和低温特性。 正极活性物质是由式LiNxMyOzFa表示的含锂复合氧化物,其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Sn中的至少一种元素 ,Zn,Al,碱土金属元素和除N元素以外的过渡金属元素,O.9 <= p <=1.1,0.97≤x≤1.00,0≤y≤0.03, 1.9 <= z <= 2.1,x + y = 1,0 <= a <= 0.02。 用M元素盐水溶液浸渍平均粒径为2〜20μm的N元素源粉末,烧成含有N元素,M元素,锂源和任选的氟源的干燥粉末 在含氧气氛中700至1050℃。
摘要:
It is to provide a cathode active material for a lithium ion secondary battery, which has high safety, a high discharge voltage, a large capacity and excellent cyclic durability, and a process for producing it. A cathode active material for a lithium secondary battery, characterized by comprising a particulate lithium cobalt composite oxide represented by the formula LiaCobAlcMgdAeOfFg (1) (wherein A is Ti, Nb or Ta, O.90≦a≦1.10, 0.97≦b≦1.00, 0.000l≦c≦0.02, 0.000l≦d≦0.02, 0.000l≦e≦0.01, 1.98≦f≦2.02, 0≦g≦0.02, and 0.0003≦c+d+e≦0.03).
摘要翻译:提供一种具有高安全性,高放电电压,大容量,优异的循环耐久性的锂离子二次电池用正极活性物质及其制造方法。 一种用于锂二次电池的正极活性材料,其特征在于包括由式<?in-line-formula description =“In-line Formulas”end =“lead”→> Li表示的颗粒状锂钴复合氧化物 >>>> F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F (1)<?in-line-formula description =“In-line Formulas”end =“tail”?>(其中A是Ti,Nb或Ta,O.90 <= a < = 1.10,0.97 <= b <= 1.00,0.0001 <= c <= 0.02,0.000l <= d <= 0.02,0.000l <= e <= 0.01,1.98 <= f <= 2.02,0 <= g <= 0.02,并且0.0003 <= c + d + e <= 0.03)。
摘要:
An electrode for an electric double layer capacitor including a carbonaceous material and a binder, wherein the binder includes a polytetrafluoroethylene which is made from a fine powder of polytetrafluoroethylene having a specific gravity of at most 2.18 as defined in JIS-K6891.
摘要:
An electric double layer capacitor is provided that includes a positive electrode having a currect collector combined with a polarizable electrode material composed mainly of activated carbon, a negative electrode having a current collector of porous metal incapable of forming an alloy with lithium, combined with a carbonaceous material having lithium ions occluded by a chemical method or an electrochemical method to a carbon material capable of occluding and releasing a lithium ions, and a nonaqueous electrolyte containing a lithium salt. The negative electrode is supported on a current collector of porous metal having a thickness of 0.1 to 1 mm and a porosity of 5 to 80%.
摘要:
This relates to a process for producing an electric double layer capacitor having a low resistance and a large capacitance of at least 10F, and it is an object to provide a process for producing a large capacitance electric double layer capacitor showing little self-discharge, little deterioration with time of the capacitance or little deformation of the cell. The above object is accomplished by forming an element by disposing a positive electrode and a negative electrode made mainly of a carbon material having a specific surface area of at least 500 m2/g to face each other with a separator interposed, impregnating it with a non-aqueous electrolyte, applying a voltage of from 1 to 1.5 times the rated voltage in a non-sealed state, further maintaining the element under reduced pressure and sealing a container accommodating the element.