Abstract: An electrode assembly comprises: a negative electrode, a separator, and at least two or more positive electrodes which are stacked in the electrode assembly with the negative electrode and the separator, each of the positive electrodes including a positive electrode active material applied to a surface of a positive electrode collector, wherein the positive electrode active material contains nickel, cobalt, and manganese, and a first composition ratio of nickel, cobalt, and manganese in the positive electrode active material applied to a first one of the positive electrodes is different from a second composition ratio of nickel, cobalt, and manganese in the positive electrode active material applied to a second one of the positive electrodes. The first and second positive electrodes may be stacked to adequately improve thermal stability and capacity.

Abstract: A battery cell having an electrode tab with enhanced safety and improved cooling performance, and a battery module, a battery pack and a vehicle including the same is provided. The battery cell includes an electrode assembly including a cell body and an electrode tab provided to at least one side of the cell body, a cell case configured to accommodate the electrode assembly, an electrode lead drawn out of the cell case and connected to the electrode assembly through the electrode tab at a coupling portion, and a tab protection module accommodated in the cell case and covering at least a part of the electrode tab, the tab protection module including a heat dissipating material configured to discharge heat to the outside through at least a part thereof.

Abstract: Disclosed is a battery cell capable of reinforcing safety of an electrode tab and controlling an internal pressure of the battery cell, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab coupled to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, and a venting module coupled to the tab protection module and configured discharge a venting gas out of the cell case.

Abstract: Disclosed is a battery cell, which includes an electrode assembly including a cell body and an electrode tab provided to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, and a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, the tab protection module including a lead positioning guide and a corresponding positioning guide insert portion adapted to receive the positioning guide insert portion, wherein the positioning guide insert portion is configured to couple to the electrode lead to guide a position of the electrode lead relative to the cell case.

Abstract: Disclosed is a battery cell having an electrode tab with an enhanced safety, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab provided to at least one of both sides of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead drawn out of the cell case by a predetermined length and connected to the electrode assembly through the electrode tab, and a tab protection module accommodated in the cell case and configured to cover at least a part of the electrode tab.

Abstract: The present invention relates to a battery cell with improved safety and a method of manufacturing the same, and more particularly a battery cell configured such that an electrode assembly including a positive electrode (200) and a negative electrode (300) located so as to be opposite each other in the state in which a separator (400) is interposed therebetween is received in a cell case (100), wherein the positive electrode (200) includes a positive electrode plate (210) and a positive electrode active material layer (220) provided on one surface and/or the other surface of the positive electrode plate (210), the negative electrode (300) includes a negative electrode plate (310) and a negative electrode active material layer (320) provided on one surface and/or the other surface of the negative electrode plate (310), the positive electrode active material layer (220) includes a first flat portion (221) and a first inclined portion (222) provided at each of opposite sides of the first flat portion (221), and

Abstract: A secondary battery according to the present invention comprises a pouch comprising an accommodation part accommodate the electrode assembly, a gas pocket part collecting a gas generated in the accommodation part, an edge sealing part provided along each of edge surfaces of the accommodation part and the gas pocket part, and a corner sealing part provided on each of both ends of a boundary between the accommodation part and the gas pocket part to support the electrode assembly accommodated in the accommodation part, wherein the corner sealing part comprises a full-width support surface supporting one end in a full-width direction of the electrode assembly, which faces the gas pocket part, and a full-length support surface provided between the full-width support surface and the edge sealing part, having a width greater than that of the full-width support surface, and supporting one end in a full-length direction of the electrode assembly, which faces the edge sealing part, and the full-length support surface,

Abstract: The present disclosure relates to an apparatus and a method for manufacturing a battery cell, and more particularly, to an apparatus and a method for manufacturing a battery cell, wherein a pressing jig provided with a semi-elliptical pressing part presses the battery cell to remove air bubbles from the battery cell.

Abstract: An electrode assembly comprises: a negative electrode, a separator, and at least two or more positive electrodes which are stacked in the electrode assembly with the negative electrode and the separator, each of the positive electrodes including a positive electrode active material applied to a surface of a positive electrode collector, wherein the positive electrode active material contains nickel, cobalt, and manganese, and a first composition ratio of nickel, cobalt, and manganese in the positive electrode active material applied to a first one of the positive electrodes is different from a second composition ratio of nickel, cobalt, and manganese in the positive electrode active material applied to a second one of the positive electrodes. The first and second positive electrodes may be stacked to adequately improve thermal stability and capacity.

Abstract: The present disclosure relates to an apparatus and a method for manufacturing a battery cell, and more particularly, to an apparatus and a method for manufacturing a battery cell, wherein a pressing jig provided with a semi-elliptical pressing part presses the battery cell to remove air bubbles from the battery cell.

Abstract: The present disclosure relates to an apparatus and a method for manufacturing a battery cell, and more particularly, to an apparatus and a method for manufacturing a battery cell, wherein a pressing jig provided with a semi-elliptical pressing part presses the battery cell to remove air bubbles from the battery cell.

Abstract: A charge/discharge pressurizing device includes a first pressurizing jig configured to pressurize one surface of an electrode lead of a battery cell, a second pressurizing jig configured to pressurize an other surface of the electrode lead facing the one surface of the electrode lead, a guide configured to be disposed to be spaced apart from the one surface of the first pressurizing jig by a predetermined distance, and a first pressurizing jig controller configured to be connected to the first pressurizing jig and to move the first pressurizing jig toward the one surface of the electrode lead.

Abstract: A charge/discharge pressurizing device includes a first pressurizing jig configured to pressurize one surface of an electrode lead of a battery cell, a second pressurizing jig configured to pressurize an other surface of the electrode lead facing the one surface of the electrode lead, a guide configured to be disposed to be spaced apart from the one surface of the first pressurizing jig by a predetermined distance, and a first pressurizing jig controller configured to be connected to the first pressurizing jig and to move the first pressurizing jig toward the one surface of the electrode lead.

Abstract: A system for medicine management includes: a terminal including an input unit for receiving the input of the types and quantities of medicines, a communication unit for transmitting the inputted information on the types and quantities of medicines to an electronic balance smart safe, a display unit for displaying the information on the types and quantities of medicines, and a control unit for controlling the overall operation; an electronic balance smart safe comprising a plurality of sensor units for sensing the weight of a medicine case, a communication unit for receiving the information on the types and quantities of medicines and transmitting to a server, a display unit for displaying the information on the types and quantities of the medicine cases, a control unit for controlling the opening and closing of the door; and a server for managing the electronic balance smart safe.

Abstract: A system for medicine management includes: a terminal including an input unit for receiving the input of the types and quantities of medicines, a communication unit for transmitting the inputted information on the types and quantities of medicines to an electronic balance smart safe, a display unit for displaying the information on the types and quantities of medicines, and a control unit for controlling the overall operation; an electronic balance smart safe comprising a plurality of sensor units for sensing the weight of a medicine case, a communication unit for receiving the information on the types and quantities of medicines and transmitting to a server, a display unit for displaying the information on the types and quantities of the medicine cases, a control unit for controlling the opening and closing of the door; and a server for managing the electronic balance smart safe.

Abstract: The present disclosure relates to an apparatus and a method for manufacturing a battery cell, and more particularly, to an apparatus and a method for manufacturing a battery cell, wherein a pressing jig provided with a semi-elliptical pressing part presses the battery cell to remove air bubbles from the battery cell.