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    • 1. 发明申请
    • MEDIUM OR LARGE BATTERY PACK CASE WITH EXCELLENT COOLING EFFICIENCY
    • 中型或大型电池组,具有出色的冷却效率
    • WO2010013902A2
    • 2010-02-04
    • PCT/KR2009003781
    • 2009-07-10
    • LG CHEMICAL LTDCHUNG CHAE HOKANG DAL MOHIM YE HOONYOON JONGMOON
    • CHUNG CHAE HOKANG DAL MOHIM YE HOONYOON JONGMOON
    • H01M2/08
    • H01M2/1077H01M10/613H01M10/617H01M10/625H01M10/647H01M10/651H01M10/6563H01M10/6566
    • Provided is a medium or large battery pack case including a battery module where a plurality of rechargeable battery cells or unit modules ('unit cell') are stacked. A refrigerant inlet and a refrigerant outlet are positioned at the upper part and lower part of the pack case in a counter direction so that refrigerant for cooling unit cells flows into the opposite side from one side of the battery module in the direction perpendicular to a cell stacking direction. A flow space ('refrigerant inlet portion') from the refrigerant inlet to the battery module and a flow space ('refrigerant outlet portion') from the battery module to the refrigerant outlet are respectively formed in the pack case. An inner surface of the upper end of the refrigerant inlet portion, which faces the upper end portion of a unit cell stack, has a structure with the surface inclined at a positive (+) angle (A) relative to the upper end surface of the unit cell stack, wherein the surface is inclined to the refrigerant inlet from the opposite end portion of the refrigerant inlet. The refrigerant inlet is inclined at an angle (B) larger than the angle (A) of the inclined surface corresponding to a structure of the inner surface of a device on which the medium and large-sized battery pack case including the battery module is mounted. When the angle (B) of slope of the refrigerant inlet is 20-80 degrees, the angle (A) of slope of the inclined surface is 3-8 degrees.
    • 提供了一种包括电池模块的中型或大型电池组壳体,其中多个可再充电电池单元或单元模块(“单元电池”)被堆叠。 制冷剂入口和制冷剂出口沿相反方向位于电池组壳体的上部和下部,使得用于冷却单元电池的制冷剂在与电池组垂直的方向上流入电池组件的一侧的相反侧 堆叠方向。 从制冷剂入口到电池模块的流动空间('制冷剂入口部分')和从电池模块到制冷剂出口的流动空间('制冷剂出口部分')分别形成在电池组壳体中。 制冷剂入口部分的上端的内表面与电池堆的上端部分相对,具有这样的结构,其表面相对于电池堆的上端表面以正(+)角(A) 单元电池堆,其中所述表面相对于来自所述制冷剂入口的相对端部的制冷剂入口倾斜。 制冷剂入口以与安装有包括电池模块的中型和大型电池组壳体的装置的内表面的结构对应的倾斜表面的角度(A)大于角度(A)倾斜 。 当制冷剂入口的倾斜角度(B)为20-80度时,倾斜表面的倾斜角度(A)为3-8度。
    • 2. 发明申请
    • MEDIUM- TO LARGE-SIZE BATTERY PACK CASE HAVING IMPROVED UNIFORMITY OF DISTRIBUTION OF COOLANT FLOW
    • 中型 - 大型电池组件具有改进的冷却剂流量分布均匀性
    • WO2010098598A3
    • 2010-12-09
    • PCT/KR2010001184
    • 2010-02-25
    • LG CHEMICAL LTDCHUNG CHAE HOIM YE HOONKANG DAL MOHYOON JONGMOON
    • CHUNG CHAE HOIM YE HOONKANG DAL MOHYOON JONGMOON
    • H01M10/50H01M2/10
    • H01M2/1077H01M10/613H01M10/617H01M10/647H01M10/652H01M10/6557H01M10/6561
    • The present invention provides a medium- to large-size battery pack case in which is installed a battery module obtained by stacking a plurality of battery cells or unit modules ("unit cells") capable of being charged and discharged, wherein: a coolant inflow port and a coolant discharge port are located in an upper part and a lower part of the pack case in opposite directions from each other such that a coolant for cooling the unit cells can flow from one side to the opposite side of the battery module in a direction perpendicular to the direction of unit cell stacking; the pack case is respectively formed with a flow area ("coolant inflow part") from the coolant inflow port to the battery module and with a flow area ("coolant discharge part") from the battery module to the coolant discharge port; the inner surface along the upper edge of the coolant inflow part, facing the upper-edge part of the battery module, has a structure such that the distance between it and the upper-edge part of the battery module reduces in the direction of the edge part opposite the coolant inflow part; and a downward-facing projecting part for guiding the progress of the coolant towards the battery module is formed on the inner surface of the upper edge of the coolant inflow part over a predetermined distance from the edge part opposite the coolant inflow port.
    • 本发明提供一种中大规模电池组壳体,其中安装有通过堆叠能够被充放电的多个电池单元或单元模块(“单元电池”)获得的电池模块,其中:冷却剂流入 端口和冷却剂排出口位于所述包装盒的上部和下部的彼此相反的方向上,使得用于冷却所述单元电池的冷却剂可以从所述电池模块的一侧流向相反侧 垂直于单元电池堆叠方向的方向; 所述包装盒分别形成有从所述冷却剂流入口到所述电池模块的流动区域(“冷却剂流入部”),并且具有从所述电池模块到所述冷却剂排出口的流动区域(“冷却剂排放部”); 沿着冷却剂流入部分的上边缘的面向电池模块的上边缘部分的内表面具有这样的结构,使得其与电池模块的上边缘部分之间的距离沿着边缘的方向减小 与冷却剂流入部分相对的部分; 并且在与冷却剂流入口相对的边缘部分的预定距离处,在冷却剂流入部分的上边缘的内表面上形成用于引导冷却剂朝向电池模块进行的向下的突出部分。