Abstract: In a power storage cell according to the present disclosure, the first electrode of the wound electrode assembly includes a sheet-shaped current collector and an electrode composite material layer formed on the current collector. The current collector includes a coated portion on which the electrode composite material layer is coated and an uncoated portion on which the electrode composite material layer is not coated. The uncoated portion protrudes from the coated portion to one side in the axial direction of the wound electrode assembly. The case houses the wound electrode assembly, and includes a cylindrical wall portion and a bottom portion. The cylindrical wall portion is provided so as to cover the outer peripheral side of the wound electrode assembly. The bottom portion is disposed on one side in the axial direction, connected to one end of the cylindrical wall portion, and joined to the uncoated portion by welding.

Abstract: In a power storage cell, a current collector plate includes a central portion, an outer peripheral edge, a spoke, a first piece, and a second piece. The central portion is disposed to overlap with a center of the wound electrode body when viewed from an The outer peripheral edge is located on the outer peripheral side of the 5 axial direction. central portion. One of the outer peripheral edge and the central portion is connected to the case to electrically connect the current collector plate to the first external terminal. The spoke connects the central portion and the outer peripheral edge. The first piece extends from the central portion toward the outer peripheral edge and is connected to the first electrode. The second piece extends from the outer peripheral edge toward the center portion and is connected to the first electrode.

Abstract: In the energy storage cell according to the present disclosure, the first wound electrode assembly includes a first positive electrode and a first negative electrode. The second wound electrode assembly includes a second positive electrode and a second negative electrode. The second positive electrode is not in contact with the first positive electrode. The second negative electrode is not in contact with the first negative electrode. The second wound electrode assembly is formed by winding around the first wound electrode assembly on the outer peripheral side of the first wound electrode assembly. The positive electrode current collector member is electrically connected to both the first positive electrode and the second positive electrode. The negative electrode current collector member is electrically connected to both the first negative electrode and the second negative electrode.

Abstract: A method of manufacturing a power storage cell includes: forming a wound electrode assembly by winding a positive electrode, a negative electrode, and a separator; fixing a winding end portion, in a winding direction, of the wound electrode assembly, by a fixing member; housing, in a cell case, the wound electrode assembly having the winding end portion fixed by the fixing member; injecting an electrolyte solution in the cell case; and releasing fixing of the winding end portion by the fixing member, after the wound electrode assembly is housed in the cell case and the electrolyte solution is injected in the cell case.

Abstract: The power storage cell includes a cell case, a first two-dimensional identification code, and a second two-dimensional identification code. The cell case is configured to be capable of accommodating an electrode body. The first two-dimensional identification code is provided on an outer surface of the cell case. The first two-dimensional identification code is configured to be able to read the identification information. The second two-dimensional identification code is provided on the outer surface of the cell case spaced apart from the first two-dimensional identification code. The second two-dimensional identification code is configured to be able to read the same identification information as the first two-dimensional identification code. The second two-dimensional identification code is provided at a position where at least a part of the first two-dimensional identification code cannot be visually recognized when the second two-dimensional identification code is viewed from the front.

Abstract: A cathode sheet (first electrode sheet) of a power storage cell includes a long side (first long side) located at an end portion on a Z1 side (one side in an axial direction). An anode sheet (second electrode sheet) includes a long side (second long side) located at an end portion on the Z1 side. The cathode sheet includes a cathode current collector (first current collector) and a cathode composite material layer (first electrode material layer). A cathode uncoated portion of the cathode current collector is formed on the long side and includes a plurality of piece portions (first piece portions) disposed in an X direction (winding direction). An insulating portion (first insulating portion, insulating member) is formed on the long side of the anode sheet.

Abstract: The present invention aims to provide a method for testing the function of antibodies that uses safe antigens and gives results more quickly. The present invention relates to a method for determining antibody-dependent enhancement ability of antibodies, including contacting, in the presence of a test antibody, Fc? receptor-expressing cell with single round infectious virus particles containing a gene with a region encoding a labeled protein and a region encoding non-structural (NS) proteins 1 to 5 of the yellow fever virus genome, a capsid protein of a virus, and an outer shell protein (Envelope) of a virus, wherein when the measured label is greater than that of a negative control cell, the test antibody is determined to have an antibody-dependent enhancement ability, and the like.

Abstract: The power storage module includes a plurality of electricity storage cells (cylindrical power storage cells), a column portion arranged so as to be surrounded by the plurality of electricity storage cells, and a case accommodating the plurality of electricity storage cells. The column portion extends along the Z direction. The length of the column portion in the Z direction (axial direction) is larger than the length of each of the plurality of power storage cells in the Z direction.

Abstract: The power storage cell includes a wound electrode body, a case, an internal gasket (a seal member), a positive electrode terminal (an external terminal), and a positive electrode connecting portion (a connecting member). The case includes a peripheral wall portion, a lower lid (first lid portion), and an upper lid (second lid portion). The lower lid has an exhaust valve for exhausting the gas in the case. A through hole (second through hole) is formed in the upper lid (second lid). The positive electrode connecting portion includes a columnar portion extending in the Z direction so as to penetrate the through hole of the upper lid and the through hole (first through hole) of the inner gasket. The inner gasket is disposed so as to cover the through hole from the inside of the case.

Abstract: An energy storage cell according to the present disclosure includes a wound electrode assembly and a cell case. The cell case includes an outer peripheral wall portion, a first end portion, a second end portion, and an inner peripheral wall portion. The first end portion has a first hole. The second end portion has a second hole. The inner peripheral wall portion extends from the first hole to the second hole. The inner peripheral wall portion is disposed inside the wound electrode assembly in a radial direction. A portion of the outer peripheral wall portion that is located next to the wound electrode assembly in the radial direction has a rectangular tubular outer shape. A portion of the inner peripheral wall portion that is located next to the wound electrode assembly in the radial direction has a rectangular tubular outer shape.

Abstract: A battery module includes a battery cell and a heat dissipation member that is in contact with a battery cell case. The battery cell includes an electrode body including plural layered structures layered one on another, each including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, and the battery cell case that hermetically encloses the electrode body inside the battery cell case. The battery cell case includes at least a metal layer and a fusion resin layer disposed at the inner face side of the metal layer and has an exposed portion, at which the metal layer is exposed, at at least part of the outer face of the battery cell case. The heat dissipation member is in contact with the exposed portion.

Abstract: In the cell case of the power storage cell according to the present disclosure, the cylindrical main body portion is formed by forming a film into a cylindrical shape, and the first opening portion and the second opening portion are formed at both ends thereof, respectively. The first sealing body closes the first opening portion. The second sealing body closes the second opening portion. The first sealing body includes an outer peripheral face that is in contact with an inner peripheral face of the cylindrical main body portion. The outer peripheral face includes a main body surface portion and a protruding portion. The main body surface portion extends in parallel to a first direction in which the first opening portion and the second opening portion are arrayed. The protruding portion protrudes from the main body surface portion toward the cylindrical main body portion.

Abstract: A battery cell includes: an electrode body including plural layered structures, each including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; and a battery cell case that hermetically encloses the electrode body inside the battery cell case. At least one of the current collector in the positive electrode or the current collector in the negative electrode has, on a peripheral portion of a surface thereof, an uncoated portion at which the mix is not coated. A current collector of which the distance from the surface of the battery cell case is the greatest among current collectors each having an uncoated portion has a first uncoated portion, and the first uncoated portion extends to the outside of the battery cell case, thereby forming a first exposed portion.

Abstract: A power storage module includes a case that houses a plurality of electrode assemblies. The case includes a case body and at least one partition portion. The case body surrounds the plurality of electrode assemblies. The partition portion is located between the electrode assemblies adjacent to each other to partition an accommodation space of the case body. The partition portion includes a pair of resin layers and a metal layer. The pair of resin layers is formed integrally with the case body and the resin layers are arranged in a first direction. The metal layer is located between the resin layers and extends in a direction orthogonal to the first direction.

Abstract: A power storage module has a case including a case body and at least one partition portion. The case body surrounds a plurality of electrode assemblies. The partition portion is located between the electrode assemblies adjacent to each other to partition an accommodation space of the case body. In the accommodation space of the case body, the partition portion forms a first compartment and a second compartment adjacent to the first compartment with the partition portion interposed between the first compartment and the second compartment. A first cooling path and a second cooling path are formed in the case, the first cooling path extends in a portion 10 of the case that faces the first compartment without the second compartment in between, and the second cooling path extends in a portion of the case that faces the second compartment without the first compartment in between.

Abstract: A method of manufacturing a battery case includes: preparing a tubular body having a first opening end and a second opening end that are respectively located at opposite sides in one direction; closing the first opening end with a first plate member; closing the second opening end with a second plate member; in a state where the first opening end is closed with the first plate member and the second opening end is closed with the second plate member, cutting the tubular body, the first plate member, and the second plate member along a plane parallel to the one direction, to obtain a case body having an opening formed by respective cut edges of the tubular body, the first plate member, and the second plate member; and closing the opening of the case body with the lid portion.

Abstract: In a secondary battery, a main body of a housing includes a bottom surface portion, a first side surface portion, a second side surface portion, a first top surface portion, a second top surface portion, and a weld. The first top surface portion extends toward the second side surface portion, from an end of the first side surface portion opposite to the bottom surface portion. The second top surface portion extends toward the first side surface portion, from an end of the second side surface portion opposite to the bottom surface portion. The weld connects respective leading ends of the first top surface portion and the second top surface portion to each other.

Abstract: In a secondary battery, a first end face portion extends toward a second side surface portion, from one end of a first side surface portion in the width direction. A second end face portion extends toward a first side surface portion, from one end of the second side surface portion in the width direction. An end face weld connects respective leading ends of the first and second end face portions to each other. The leading end of the first end face portion is located closer to a center of the housing in the width direction, than a joint at which it is connected to the first side surface portion. The leading end of the second end face portion is located closer to the center of the housing in the width direction, than a joint at which it is connected to the second side surface portion.

Abstract: A power storage module includes a plurality of power storage cells, a module case, and a connection member. The plurality of power storage cells each include an electrode assembly, a cell case, and an external terminal. The external terminal is electrically connected to the electrode assembly, located outside the cell case, and disposed at a side of the cell case in a second direction orthogonal to a first direction. The module case includes a bottom surface portion and a peripheral side surface portion. The connection member is in contact with the external terminal of each of power storage cells adjacent to each other, among the plurality of power storage cells. At least a part of the connection member is embedded in the peripheral side surface portion.

Abstract: In an accommodation space of a case body of a power storage module, a partition portion forms a first and second compartments adjacent to the first compartment with the partition portion interposed between the first and second compartments. A connection conductive member has a first end portion located at one side in the first direction and embedded in the case body. A second end portion of the connection conductive member is located at the other side in the first direction and embedded in the case body. A first inner surface portion thereof is exposed to the first compartment and electrically connected to a first electrode assembly contained in the first compartment, among a plurality of electrode assemblies. A second inner surface portion thereof is exposed to the second compartment and electrically connected to a second electrode assembly contained in the second compartment, among the plurality of electrode assemblies.