Abstract: A background music providing method includes: based on a user command for executing a content recognition mode being received, obtaining a data corresponding to the content, reproduced on the display apparatus, in the content recognition mode; transmitting the obtained data to an external source; obtaining information corresponding to the content based on the data from the external source; and displaying a result UI corresponding to the obtained information on the display apparatus.

Abstract: A current collector for a positive electrode according to the present invention may include a base film, a conductive material provided on at least one of upper and lower surfaces of the base film, a metal piece provided on the upper or lower surface of the base film and electrically connected to the conductive material, and a lead tab joined to any one of the metal piece, the conductive material, and the base film and electrically connected to the conductive material, in which the conductive material is positioned between the metal piece and the base film or between the lead tab and the base film, and in which the lead tab is welded to one of the metal pieces provided on the upper and lower surfaces of the base film or welded to the metal piece provided on one surface of the base film that faces the lead tab.

Abstract: According to an embodiment of the present invention, a current collector for an electrode comprises a polymer film, and a conductive material provided on at least one surface of an upper surface or a lower surface of the polymer film, wherein the conductive material may include a relatively small thickness portion and a relatively large thickness portion.

Abstract: Proposed is a current collector for a positive electrode that substitutes for metal foil and includes a polymer film made of a nonmetal, nonconductor material, and an aluminum conductive material configured to define an outermost surface of the current collector for a positive electrode by being formed or applied, with a thickness of 0.25 to 0.6 ?m, onto at least one of upper and lower surfaces of the polymer film, in which the conductive material serves as an electrochemical fuse or performs a function of blocking or reducing short-circuit current in the event of an internal short circuit or an external short circuit.

Abstract: A thin film battery includes: a cathode body; and an anode body which is laminated on at least one of an upper portion or a lower portion of the abode body, in which the cathode body includes: a cathode plate on which a cathode active material is applied; a pair of separators which covers an upper surface and a lower surface of the cathode plate; and a polymer insulating film unit interposed between the pair of separators and a portion of the polymer insulating film unit which protrudes outwardly from an edge of the separator is bonded to an anode plate of the anode body.

Abstract: Provided is a thin film battery, including: an anode body; and a cathode body which is laminated on at least one of an upper portion or a lower portion of the abode body, in which the anode body includes: an anode plate on which an anode active material is applied; a pair of separators which covers an upper surface and a lower surface of the anode plate; and a polymer insulating film unit interposed between the pair of separators and a portion of the polymer insulating film unit which protrudes outwardly from an edge of the separator is bonded to a cathode plate of the cathode body.

Abstract: The present invention relates to a lithium ion secondary battery, and more particularly, to a lithium ion secondary battery which makes the best use of an accommodating space in electronic apparatus in which a secondary battery is accommodated or mounted to maximize a performance of the battery. A secondary battery includes an electrode assembly in which a plurality of pocketing anode bodies and a plurality of cathode bodies are alternately stacked, in which a concavely recessed space is formed in the electrode assembly, and the space may be formed in the plurality of pocketing anode bodies and the plurality of cathode bodies excluding a cathode body disposed at the lowest end of the electrode assembly.

Abstract: The present invention relates to a lithium ion secondary battery, and more particularly, to a lithium ion secondary battery which makes the best use of an accommodating space in electronic apparatus in which a secondary battery is accommodated or mounted to maximize a performance of the battery. A secondary battery includes an electrode assembly in which a plurality of pocketing anode bodies and a plurality of cathode bodies are alternately stacked, in which a concavely recessed space is formed in the electrode assembly, and the space may be formed in the plurality of pocketing anode bodies and the plurality of cathode bodies excluding a cathode body disposed at the lowest end of the electrode assembly.