Abstract:
본발명은나노고체전해질을포함하는전(全)고체전지에관한것으로서, 보다구체적으로는, 우수한안정성및 전지의성능이향상된전고체전지를별도의공정변경없이제작할수 있는, 나노고체전해질을포함하는전고체전지에관한것이다. 본발명의나노고체전해질을포함하는전고체전지는전지의안전성도우수할뿐만아니라전지성능도크게향상시켰기때문에중 대형리튬이온이차전지가이용되는전기자동차등의산업발전에널리기여할수 있다.
Abstract:
A module structure of a stack for a fuel cell is provided to operate the total system without the degradation of performance by modularizing hundreds of cells to a plurality of substacks, and to improve the assembly compatibility of the total stack. A module structure of a stack for a fuel cell comprises sub-stacks(10) modulated with a plurality of cells(11); channels for hydrogen, air and cooling water formed at the sub-stacks respectively; and a connection pipe for supplying hydrogen, air and cooling water to the channels.
Abstract:
본발명은나노고체전해질을포함하는전(全)고체전지에관한것으로서, 보다구체적으로는, 우수한안정성및 전지의성능이향상된전고체전지를별도의공정변경없이제작할수 있는, 나노고체전해질을포함하는전고체전지에관한것이다. 본발명의나노고체전해질을포함하는전고체전지는전지의안전성도우수할뿐만아니라전지성능도크게향상시켰기때문에중 대형리튬이온이차전지가이용되는전기자동차등의산업발전에널리기여할수 있다.
Abstract:
PURPOSE: A positive electrode for a secondary battery is provided to facilitate detection of voltage change in a specific region by mixing a phosphate-based compound with excellent thermal stability as a main active material and an oxide-based compound as an active material for voltage sensing. CONSTITUTION: A positive electrode for a secondary battery comprises a phosphate based active material represented by chemical formula 1: Li_(1+a)Fe_(1-x)M_x(PO_(4-b))X_b and an oxide based active material represented by chemical formula 2: Li_(1+a)(Ni_xCo_yA_z)O_(2-b)X_b. In chemical formula 1, -0.3
Abstract translation:目的:提供一种用于二次电池的正极,以便通过混合具有优良热稳定性的磷酸盐基化合物作为主要活性材料和基于氧化物的化合物作为电压感测的活性材料来检测特定区域的电压变化 。 构成:二次电池用正极包含由化学式1表示的磷酸酯类活性物质:Li(1 + a)Fe_(1-x)M_x(PO_(4-b))X_b,表示氧化物系活性物质 化学式2:Li(1 + a)(Ni_xCo_yA_z)O_(2-b)X_b。 在化学式1中,-0.3 <= a <= 0.3,0 <= b <= 0.5和0 <= x <= 1,M是Ni,Co,Mn或Mg,x是F,S或N. 化学式2,-0.5 <= a <= 0.5,0 <= b <= 0.3,0 <= x <= 0.8,0 <= y <= 1.0和0 <= z <= 0.7,A是Al或Mn ,并且X是F,S或N. [附图标记](AA)电压感测区域; (BB)充电; (CC)氧化物类活性物质; (DD)0重量%; (EE)2重量%; (FF)5重量%; (GG)10重量% (HH)放电
Abstract:
PURPOSE: A battery module is provided to stably secure electric connection states of respective unit cells, to be easily manufactured and assembled, and to provide excellent durability. CONSTITUTION: A battery module structure comprise: unit cells(3) in which each battery tap of a positive electrode and a negative electrode is formed on the edge in order to discharge electricity; many receptacles(5) integrated to each battery tap of the unit cells; and a bus bar(7) electrically connecting between the receptacles. The receptacles comprises an insert groove opened along a direction vertical veto a plane formed by the unit cells in order to form an electric connection state by an insertion part of the bus bar inserted along a direction parallel with the plane formed by the unit cells.
Abstract:
PURPOSE: A process for manufacturing a negative electrode material for a lithium secondary battery is provided to manufacture various phosphate-based negative electrode materials without thermal process of high temperature and to reduce the time required for whole process. CONSTITUTION: A process for manufacturing a negative electrode material for a lithium secondary battery includes the steps of: mixing transition metal compounds dissolved in distilled water with poly acid phosphate-based compounds to prepare a mixed solution; stirring the mixed solution to prepare a precipitate by a co-precipitation method; drying the precipitate to a temperature of 50-80 °C; and heat-treating the dried material at a temperature of 300-500 °C.