Abstract: A battery cell and a battery module include a direct water-cooling battery cell and a direct water-cooling battery module. The corrosion resistance of the battery cell can be improved by using a sacrificial metal having a higher metal ionization tendency than that of a battery cell case, and the battery cell can be cooled by using general cooling water for vehicles.

Abstract: The present disclosure relates to a battery cell and a battery module comprising the same, and relates, particularly, to a direct water-cooling battery cell and a direct water-cooling battery module comprising the same. According to the present disclosure, the corrosion resistance of the battery cell can be improved by using a sacrificial metal having a higher metal ionization tendency than that of a battery cell case, and the heat of the battery cell can be cooled by using general cooling water for vehicles.

Abstract: A battery module according to an embodiment of the present invention includes: at least one battery cell assembly including a plurality of cylindrical battery cells arranged in a state that side surfaces are adjacent to each other; a case accommodating the battery cell assembly; a fixing resin layer disposed to at least one side of the length direction ends of a plurality of cylindrical battery cells and fixing a plurality of cylindrical battery cells; and a thermal transmission resin layer formed between the fixing resin layer and the case and between the side of the battery cell assembly and the case, and in contact with the fixing resin layer and the case.

Abstract: A battery cell stack includes a plurality of battery cells, a temperature adjuster configured to prevent an increase in temperature of the battery cell stack due to a high external temperature, a heat plate disposed at a lower surface and a side surface of the battery cell stack, a pack case configured to receive the battery cell stack, the temperature adjuster, and the heat plate therein, and a cooling fan configured to discharge heat in the pack case to the outside. The battery cell stack is configured such that, when external power is supplied to an electrical apparatus connected to the battery pack, the battery cell stack does not supply current to the electrical apparatus, and when no external power is supplied to the electrical apparatus, the battery cell stack supplies current to the electrical apparatus.

Abstract: A data cable device includes USB connectors respectively formed at opposing ends of the data cable device; at least one data line having ends electrically connected to the respective USB connectors; a protection circuit module having a printed circuit board at which an external terminal is formed; a cable battery including an external input/output terminal electrically connected to an internal terminal of the printed circuit board, an inner electrode layer having a cylindrical shape formed at an inner center of the cable battery, a separator layer formed at an outer side of the inner electrode layer, an outer electrode layer formed at an outer side of the separator layer, and an inner insulation coating layer surrounding an outer surface of the outer electrode layer; and an outer insulation coating layer formed to surround at least a portion of an outer surface of the cable battery.

Abstract: A data cable device includes USB connectors respectively formed at opposing ends of the data cable device; at least one data line having ends electrically connected to the respective USB connectors; a protection circuit module having a printed circuit board at which an external terminal is formed; a cable battery including an external input/output terminal electrically connected to an internal terminal of the printed circuit board, an inner electrode layer having a cylindrical shape formed at an inner center of the cable battery, a separator layer formed at an outer side of the inner electrode layer, an outer electrode layer formed at an outer side of the separator layer, and an inner insulation coating layer surrounding an outer surface of the outer electrode layer; and an outer insulation coating layer formed to surround at least a portion of an outer surface of the cable battery.

Abstract: A cable-type battery includes a cable-type battery cell including at least one internal electrode layer having an internal electrode active material formed on a surface of an internal current collector extending in a longitudinal direction to have a cross section of a preset shape, a separation layer formed to surround the at least one internal electrode layer, and an external electrode layer formed to surround the separation layer and having an external electrode active material formed on a surface of an external current collector; and a protection circuit module electrically connected to the battery cell to protect the battery cell.

Abstract: A secondary battery pack includes a battery cell having an electrode assembly in a battery case with an electrolyte. An electrically insulative mounting member is mounted to a top of the battery cell. A protection circuit module (PCM) including a protection circuit board (PCB) is loaded on the electrically insulative mounting member. The PCB has a protection circuit, and a connection member (A) and a connection member (B) coupled to a bottom of the PCB. The connection member (A) and the connection member (B) are coupled to the electrode terminals of the battery cell. The PCB has a through hole, through which the connection member (B) is exposed, and an insulative cap coupled to an upper end of the battery cell to surround the electrically insulative mounting member where the connection members and the protection circuit board are loaded on the insulative cap.

Abstract: Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with an electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the electrode assembly is mounted, the battery case being made of aluminum or an aluminum alloy, and an alumina coating layer applied to at least a portion of an outer surface of the battery case by anodizing.

Abstract: Disclosed herein is a method of manufacturing a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case made of aluminum or an aluminum alloy together with an electrolyte in a sealed state, the method including (a) anodizing an entire surface of the battery case in a state in which an uncoated margin section having a predetermined length is provided downward from an outer circumference of an upper end of the battery case, (b) mounting the electrode assembly in the battery case and connecting a cap plate to an open upper end of the battery case by laser welding, (c) injecting an electrolyte through an electrolyte injection port of the cap plate and activating the battery cell, and (d) replenishing the electrolyte and sealing the electrolyte injection port.

Abstract: A battery pack according to the present disclosure includes a battery cell including at least one unit cell, a first connector which is electrically connected to the battery cell, and a second connector which is electrically connected to the battery cell and the first connector, the second connector having a corresponding shape to the first connector to be coupled with the first connector. According to the present disclosure, a plurality of battery packs may be concurrently charged, and when needed, a battery capacity may be increased by easily connecting a plurality of battery packs, thereby ensuring a sufficient usage time of an electronic appliance.

Abstract: A secondary battery pack including a battery cell having first and second electrode terminals at a top thereof, an electrically insulative mounting member having an opening, through which the second terminal is exposed, the mounting member being mounted to a top of the cell, a protection circuit module (PCM) including a protection circuit board (PCB), having a protection circuit, loaded on the mounting member, a connection member (A) connected to the first terminal, and a connection member (B) connected to the second terminal, the PCB being provided with a through hole, through which the connection member (B) is exposed, and an insulative cap coupled to an upper end of the cell to surround the mounting member in which the connection members and the PCB are loaded on the mounting member, wherein the sum of a height of the PCM and a height of the cap is 3.0 mm or less.

Abstract: Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the electrode assembly is mounted, the battery case being made of aluminum or an aluminum alloy, and a protective coating layer applied to at least a portion of an outer surface of the battery case, the protective coating layer containing an electrically insulative polymer material.

Abstract: Disclosed herein is a prismatic battery pack including an electrode assembly of a cathode/separator/anode structure impregnated with an electrolyte, a prismatic container, in which the electrode assembly is mounted, the prismatic container having at least one depressed groove formed at a bottom thereof in a longitudinal direction of the prismatic battery pack, a cap plate coupled to an open upper end of the prismatic container, in which the electrode assembly is mounted, a protection circuit module (PCM) including a protection circuit to control operation of the prismatic battery pack, the PCM being loaded on the cap plate, and an insulative cap mounted to the prismatic container while surrounding the PCM.

Abstract: Disclosed herein is a method of manufacturing a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case made of aluminum or an aluminum alloy together with an electrolyte in a sealed state, the method including (a) anodizing an entire surface of the battery case in a state in which a connection opening section, to which charge pins used to activate the battery cell are connected, is formed at a bottom of the battery case, (b) mounting the electrode assembly in the battery case and connecting a cap plate to an open upper end of the battery case by laser welding, (c) injecting an electrolyte through an electrolyte injection port of the cap plate and activating the battery cell, and (d) replenishing the electrolyte and sealing the electrolyte injection port.

Abstract: A battery pack according to the present disclosure includes a battery cell including at least one unit cell, a first connector which is electrically connected to the battery cell, and a second connector which is electrically connected to the battery cell and the first connector, the second connector having a corresponding shape to the first connector to be coupled with the first connector. According to the present disclosure, a plurality of battery packs may be concurrently charged, and when needed, a battery capacity may be increased by easily connecting a plurality of battery packs, thereby ensuring a sufficient usage time of an electronic appliance.

Abstract: Disclosed herein is a method of manufacturing a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case made of aluminum or an aluminum alloy together with an electrolyte in a sealed state, the method including (a) anodizing an entire surface of the battery case in a state in which an uncoated margin section having a predetermined length is provided downward from an outer circumference of an upper end of the battery case, (b) mounting the electrode assembly in the battery case and connecting a cap plate to an open upper end of the battery case by laser welding, (c) injecting an electrolyte through an electrolyte injection port of the cap plate and activating the battery cell, and (d) replenishing the electrolyte and sealing the electrolyte injection port.

Abstract: Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the electrode assembly is mounted, the battery case being made of aluminum or an aluminum alloy, and a protective coating layer applied to at least a portion of an outer surface of the battery case, the protective coating layer containing an electrically insulative polymer material.

Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a scaled state, the battery cell having first and second electrode terminals formed at a top thereof, an electrically insulative mounting member having an opening, through which the second electrode terminal of the battery cell is exposed, the electrically insulative mounting member being mounted to a top of the battery cell, a protection circuit module (PCM) including a protection circuit board (PCB) loaded on the electrically insulative mounting member, the PCB having a protection circuit, und a connection member (A) and a connection member (B) coupled to a bottom of the PCB, the connection member (A) being connected to the first electrode terminal of the battery cell via a safety element, the connection member (B) being coupled to the second electrode terminal of the battery cell, the PCB being provided with a th

Abstract: Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with an electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the electrode assembly is mounted, the battery case being made of aluminum or an aluminum alloy, and an alumina coating layer applied to at least a portion of an outer surface of the battery case by anodizing.