Abstract: A battery module ac includes a cell stack in which a plurality of battery cells are vertically stacked; a module housing including a base plate supporting the cell stack, and a pair of side plates covering both side portions of the cell stack and each including a spark direction changing portion formed by bending an end portion of the side plate in a longitudinal direction of the side plate toward the cell stack; and a bus bar frame assembly covering an opening portion formed on a side of the module housing in a longitudinal direction of the module housing, the bus bar frame assembly including a bus bar frame coupled to a side of the cells tack in a longitudinal direction of the cell stack and a bus bar located on the bus bar frame and coupled to an electrode lead of the battery cell.

Abstract: A battery pack includes a sub-pack including a plurality of battery modules that are located adjacent to one another; a duct coupled to a side of the sub-pack in a width direction of the sub-pack; and a duct cover covering a duct opening portion formed on a side of the duct in a longitudinal direction of the duct, the duct cover including a filter having a mesh structure.

Abstract: A battery module includes a cell stack in which a plurality of battery cells are vertically stacked; a module housing including a base plate supporting the cell stack and a pair of side plates covering both side portions of the cell stack; a bus bar frame assembly covering an opening portion formed on a side of the module housing in a longitudinal direction of the module housing; and a plurality of spark delay portions protruding from an inner surface of each of the pair of side plates and spaced apart from one another in a height direction of the side plate.

Abstract: An online advertising system is provided. The method includes: a first client who provides advertisement content, a server which receives and stores an advertisement content, and a second client who provides image content to server and selects an advertisement content that is to be merged with image content, wherein server generates merged content by merging image content with an advertisement content, provides merged content to a third client, and converts merged content into advertisement content when third client clicks on a predetermined area in merged content.