Abstract: A flexible printed circuit board for pouch cell internal pressure measurement includes a sensing part on which a pressure sensor is mounted; a board part provided with connector pins connected to a plurality of conductor lines, respectively; and an extension part extending from the sensing part to the board part. The extension part includes a protective sheath of a metal material that surrounds an outer surface of an insulating film in a predetermined section.

Abstract: A pressure measuring unit including: a body part configured to have an upper surface, a lower surface, and a plurality of side surfaces; a connector part configured to be provided to at least one side surface among the plurality of side surfaces of the body part; a pressure measuring part coupled to the upper surface of the body part and configured to measure a pressure applied toward the upper surface of the body part from the outside to generate a pressure value; and a control part connected to the pressure measuring part to receive the measured pressure value from the pressure measuring part and configured to output the received pressure value to a communication line connected thereto.

Abstract: Discussed is a battery swelling inspection apparatus, including an upper plate; a lower plate located to face the upper plate; a fixing frame to which a portion of the upper plate and a portion of the lower plate are fixedly coupled thereto; a pressure measurer located on at least one of an upper portion and a lower portion of the lower plate and to measure a first pressure value applied from the battery toward the lower plate; and a pressure measuring pad having a coupling surface and a measuring surface, the coupling surface coupled to a lower surface of the upper plate or an upper surface of the lower plate and the measuring surface located at a side opposite to the coupling surface to face the battery and a pressure being applied from the battery to at least a portion of the measuring surface.

Abstract: Discussed is an apparatus for inspecting swelling of a battery cell, the apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate to be spaced therefrom by a predetermined interval, the second plate being configured so that the battery cell is to be interposed between the first plate and the second plate; a fixing frame configured so that a portion of the first plate is fixedly coupled thereto; a connection frame having one end fixedly coupled to the second plate and another end fixedly coupled to the fixing frame; and a measuring element attached to the connection frame and configured to measure a deformation rate of the connection frame based on the swelling of the battery cell.

Abstract: Discussed is a battery swelling inspection apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate; a fixing frame configured such that a portion of the first plate and a portion of the second plate are fixedly coupled thereto; a plurality of pressure measuring elements fixedly coupled to the first plate, having a head located to face the second plate, and configured to measure a pressure applied to the head, respectively; and a plurality of pressing members configured to have a second surface in a flat shape so that the second surface faces the second plate and have a first surface that is at least partially attached to the head of each of the plurality of pressure measuring elements.

Abstract: A pressure pad sensor pressing device includes a pressing unit including a node pressing portion provided to descend from a predetermined height and contact one of the sensing nodes, and a weight loading portion provided at the top of the node pressing portion so that a weight load is transmitted to the node pressing portion; a support frame supporting the pressing unit at a predetermined height; and a first driving unit for moving the pressing unit in the first direction or in the reverse direction, a second driving unit for moving the pressing unit in the second direction or in the reverse direction, and a third driving unit for lifting and lowering the pressing unit with respect to the pressure pad sensor, and a calibration method capable of calibrating the output value of the sensing node to a reliable pressure value using the pressure pad sensor pressing device.

Abstract: A battery pack includes at least one battery cell, an optical fiber sensing unit including a plate-type detection unit made of optical fibers horizontally and vertically arranged in a grid form. The plate-type detection unit is deformed by deformation of the at least one battery cell, a photoresistor to collect light reflected from the optical fiber sensing unit, and a controller configured to determine if swelling occurred in the at least one battery cell based on a resistance value with a change in an amount of light collected by the photoresistor.

Abstract: A battery pressure measuring sensor according to an embodiment of the present disclosure includes a substrate; a plurality of variable resistor units provided at a plurality of locations in consideration of a swelling characteristic of a battery on the substrate and configured to change a resistance value within a corresponding resistance range according to a pressure applied to each unit; and a plurality of sensing lines configured to be connected to the plurality of variable resistor units, respectively.

Abstract: A flexible printed circuit board for pouch cell internal pressure measurement includes a sensing part on which a pressure sensor is mounted; a board part provided with connector pins connected to a plurality of conductor lines, respectively; and an extension part extending from the sensing part to the board part. The extension part includes a protective sheath of a metal material that surrounds an outer surface of an insulating film in a predetermined section.

Abstract: A pressure measuring unit including: a body part configured to have an upper surface, a lower surface, and a plurality of side surfaces; a connector part configured to be provided to at least one side surface among the plurality of side surfaces of the body part; a pressure measuring part coupled to the upper surface of the body part and configured to measure a pressure applied toward the upper surface of the body part from the outside to generate a pressure value; and a control part connected to the pressure measuring part to receive the measured pressure value from the pressure measuring part and configured to output the received pressure value to a communication line connected thereto.

Abstract: Discussed is an apparatus for inspecting swelling of a battery cell, the apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate to be spaced therefrom by a predetermined interval, the second plate being configured so that the battery cell is to be interposed between the first plate and the second plate; a fixing frame configured so that a portion of the first plate is fixedly coupled thereto; a connection frame having one end fixedly coupled to the second plate and another end fixedly coupled to the fixing frame; and a measuring element attached to the connection frame and configured to measure a deformation rate of the connection frame based on the swelling of the battery cell.

Abstract: Discussed is a battery swelling inspection apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate; a fixing frame configured such that a portion of the first plate and a portion of the second plate are fixedly coupled thereto; a plurality of pressure measuring elements fixedly coupled to the first plate, having a head located to face the second plate, and configured to measure a pressure applied to the head, respectively; and a plurality of pressing members configured to have a second surface in a flat shape so that the second surface faces the second plate and have a first surface that is at least partially attached to the head of each of the plurality of pressure measuring elements.

Abstract: Discussed is a battery swelling inspection apparatus, including an upper plate; a lower plate located to face the upper plate; a fixing frame to which a portion of the upper plate and a portion of the lower plate are fixedly coupled thereto; a pressure measurer located on at least one of an upper portion and a lower portion of the lower plate and to measure a first pressure value applied from the battery toward the lower plate; and a pressure measuring pad having a coupling surface and a measuring surface, the coupling surface coupled to a lower surface of the upper plate or an upper surface of the lower plate and the measuring surface located at a side opposite to the coupling surface to face the battery and a pressure being applied from the battery to at least a portion of the measuring surface.

Abstract: A battery pack includes at least one battery cell, an optical fiber sensing unit including a plate-type detection unit made of optical fibers horizontally and vertically arranged in a grid form. The plate-type detection unit is deformed by deformation of the at least one battery cell, a photoresistor to collect light reflected from the optical fiber sensing unit, and a controller configured to determine if swelling occurred in the at least one battery cell based on a resistance value with a change in an amount of light collected by the photoresistor.

Abstract: A male connector, which is connected to or disconnected from a female connector, and includes a male connector housing, male connector pins disposed in an inner space of the male connector housing, and a ground connection member having one side connected to the male connector pins and the other side connected to an inner wall of the male connector housing, wherein the ground connection member is provided in plural, and wherein the plurality of ground connection members are respectively connected to the male connector pins in one-to-one relationship and are detachably connected to the male connector pins, respectively, at positions spaced from front ends of the male connector pins by predetermined distances such that the plurality of ground connection members are separated in sequence from the male connector pin by the female connector according to a depth by which the female connector is inserted into the male connector housing.

Abstract: A male connector, which is connected to or disconnected from a female connector, and includes a male connector housing, male connector pins disposed in an inner space of the male connector housing, and a ground connection member having one side connected to the male connector pins and the other side connected to an inner wall of the male connector housing, wherein the ground connection member is provided in plural, and wherein the plurality of ground connection members are respectively connected to the male connector pins in one-to-one relationship and are detachably connected to the male connector pins, respectively, at positions spaced from front ends of the male connector pins by predetermined distances such that the plurality of ground connection members are separated in sequence from the male connector pin by the female connector according to a depth by which the female connector is inserted into the male connector housing.

Abstract: Provided are a battery pack and a control method using the same, the battery pack having improved safety so as to prevent fire or prevent fire from spreading even if ignited, thereby reducing the risks which can occur during ignition. The battery pack, according to the present invention, comprises: an electrode assembly comprising an anode, a cathode, and a separator; and a single cell or a plurality of cells having a pouch-shaped battery case for accommodating the electrode assembly, wherein the cell is accommodated and stacked by the module case, the module case comprises a fire suppression agent or a fire extinguishing agent at the inner or outer part thereof such that the fire suppression agent or the fire extinguishing agent is automatically discharged from the module case when cell swelling occurs.

Abstract: Provided are a battery pack and a control method using the same, the battery pack having improved safety so as to prevent fire or prevent fire from spreading even if ignited, thereby reducing the risks which can occur during ignition. The battery pack, according to the present invention, comprises: an electrode assembly comprising an anode, a cathode, and a separator; and a single cell or a plurality of cells having a pouch-shaped battery case for accommodating the electrode assembly, wherein the cell is accommodated and stacked by the module case, the module case comprises a fire suppression agent or a fire extinguishing agent at the inner or outer part thereof such that the fire suppression agent or the fire extinguishing agent is automatically discharged from the module case when cell swelling occurs.

Abstract: Provided are a method of producing a nanoparticle device and a nanoparticle device. The method of producing a nanoparticle device may be economical due to use of a hydrogel, may be easy to design in terms of mass production processes, and may reduce manufacturing times to 1/100 to 1/10 of the technology of the related art. In addition, a nanoparticle device may be produced in various designs by stably realizing a 3D pattern and pattern stacking, and may have highly uniform nanoparticle dispersion and excellent electrical activity through the removal of a surfactant without damaging the pattern. The nanoparticle device produced according to the production method may have excellent electrical activity due to nanoparticle uniformity pattern accuracy and thus may be applied to pattern stacking which could not be implemented by methods of the related art.

Abstract: Provided is a pressure sensor including: a first layer having first conductivity and at least one conductive region; a second layer contacting the first layer to be disposed thereon and having second conductivity; and a plurality of terminals that are electrically connected with the second layer and spaced apart from the at least one conductive region, wherein the at least one conductive region has electrical conductivity that is greater than or equal to that of the second layer.