Abstract:
PURPOSE: A positive electrode active material is provided to finish the generation of gas in an initial formation process and to prevent the generation of a large amount of gas during cycles. CONSTITUTION: A positive electrode active material is represented by chemical formula 1, Li{Li_aMn_xM_(1-a-x-y)M'_y}O_2. In chemical formula 1, 0 (1-a)/2, 0
Abstract translation:目的:提供正极活性物质,以在初始形成过程中完成气体的产生并防止在循环期间产生大量的气体。 构成:正极活性物质由化学式1 Li {Li_aMn_xM_(1-a-x-y)M'_y} O_2表示。 在化学式1中,0 (1-a)/ 2,0
Abstract:
PURPOSE: Lithium manganese oxide positive electrode is provide to have excellent capacity and cycles properties in 3V region because of lithium manganese oxide dispersed in a positive electrode assembly at the shape of primary particles. CONSTITUTION: Lithium manganese oxide positive electrode comprises lithium manganese oxide with spinel crystal structure in chemical formula 1: Li_(1+x)M_yMn_(2-x-y)O_(4-z)Q_z as positive electrode active material. The lithium manganese oxide has the structure in which primary particles are dispersed in a positive electrode assembly in order to obtain high capacity and excellent cycle properties in 3V region. In chemical formula 1, 0
Abstract:
본 발명은 란탄 실리케이트 비정상 입성장을 이용한 c-축 배향성 막 및 단결정 성장 방법에 관한 것으로, 보다 자세하게는 200도 내지 300도의 중저온에서 높은 전도도를 보이는 아파타이트 구조의 란탄 실리케이트를 제조하는 방법에 관한 것이다. 란탄 실리케이트, c-축 방향, 중저온, 전도도, 아파타이트, 비정상 입성장
Abstract:
PURPOSE: A hydrocarbon gas producing system using a dehydrogenation reaction with a bi-layer separation film is provided to obtain a system capable of producing ethylene from ethane. CONSTITUTION: A hydrocarbon gas producing system comprises the following: a bi-layer separation film(110); an oxygen supplier supplying oxygen(122) on one surface of the bi-layer separation film; a steam collector collecting steam(124) from the bi-layer separation film; a first hydrocarbon gas supplier supplying first hydrocarbon gas(132) to the other surface(114) of the bi-layer separation film; and a second hydrocarbon gas collector collecting second hydrocarbon gas(134) from the bi-layer separation film.
Abstract:
PURPOSE: A synthesis method of a nanoelectrode material, and the nanoelectrode material synthesized therefrom are provided to secure the excellent crystalline property of the material only by synthesizing at room temperature. CONSTITUTION: A synthesis method of a nanoelectrode material comprises the following steps: mixing a polyol solvent, a transition metal oxide, a polyacid anion-based compound, a lithium system compound, and a flammable liquid, to form a reaction solution; combusting the reaction solution; and collecting particles after combusting to obtain the nanoelectrode material.
Abstract:
PURPOSE: A manufacturing method of a lithium manganese oxide electrode material is provided to manufacture a crystalline lithium manganese oxide electrode material using an amorphous lithium manganese oxide as a starting material. CONSTITUTION: A manufacturing method of a lithium manganese oxide electrode material comprises a step of obtaining a uniform mixture by mixing amorphous lithium manganese oxide; and a step of heat-treating the mixture under oxygen or air atmosphere. The molar ratio of lithium and manganese is 6:5-10:5, in the mixture. The mixing step comprises a dry ball-milling the amorphous lithium manganese oxide and lithium. The heat-treating step is conducted in a vacuum furnace at 400-900 deg. C for 8-20 hours.
Abstract translation:目的:提供一种锂锰氧化物电极材料的制造方法,以制造使用无定形锰酸锂作为原料的结晶锂锰氧化物电极材料。 构成:锂锰氧化物电极材料的制造方法包括通过混合无定形锰酸锂获得均匀混合物的步骤; 以及在氧气或空气气氛下对混合物进行热处理的步骤。 在混合物中锂和锰的摩尔比为6:5-10:5。 混合步骤包括无定形的锂锰氧化物和锂的干球磨。 热处理步骤在400-900度的真空炉中进行。 C 8-20小时。
Abstract:
PURPOSE: A manufacturing method of lithium-manganese oxide of excessive lithium and a secondary battery using thereof are provided to enhancing charge and discharge characters even in volume, variety, and velocity. CONSTITUTION: A manufacturing method of lithium-manganese oxide of excessive lithium is represented by chemical formula 1. The manufacturing method of lithium-manganese oxide of excessive lithium comprises the next steps: processing a reaction of lithium complex with lithium manganese based oxide which is represented by chemical formula 2 in reducing condition in order to synthesize lithium manganese based oxide; and synthesizing lithium manganese based oxide. The chemical formula 1 is same as follow: Li1+xMyMn2-yO4-zQz. The chemical formula 2 is same as follow: Li1+xMyMn2-x-yO4-zQ'z.
Abstract:
A gas sensor for partial pressure measurement of hydrogen and oxygen and a manufacturing method thereof are provided to measure the oxygen or hydrogen concentration in the environment unable to be exposed to atmosphere, and to simplify the manufacturing process. A gas sensor(100) for partial pressure measurement of hydrogen and oxygen comprises a solid electrolyte(110) including a closed internal space(130) which stores the air used as the reference electrode, a first electrode(120a) formed on one side of the solid electrolyte exterior, a second electrode(120b) formed in one side of the internal space of the solid electrolyte, and a lead wire(140) which is connected to the first electrode and the second electrode and exposed out of the solid electrolyte.
Abstract:
본발명은급속충방전이가능한나트륨바나듐인산염계전극활물질의제조방법및 그방법으로제조된이차전지용나트륨바나듐인산염계전극활물질에관한것으로, 보다구체적으로는나트륨이온전지의전극활물질이갖는단점을극복하기위해나트륨전극소재와인화니켈과의복합체를구성함으로써급속충방전이가능한나트륨바나듐인산염계전극활물질의제조방법에관한것이다. 본발명의제조방법에의하면나트륨바나듐인산염계전극소재와전기전도도가우수한인화니켈과의복합체를구성함으로써급속충방전이가능한나트륨바나듐인산염계전극활물질을제조할수 있다. 또한, 본발명에의해제조된나트륨바나듐인산염계전극활물질은고출력특성을발현하는나트륨이차전지에적용할수 있는효과가있다.