Abstract: In a battery module in which battery cells are inserted and adhered to battery retention sections each having a hole and formed on a holder, an objective is to provide a technology for sufficiently filling the gap between the battery retention section of the holder and the battery cell with an adhesive. A deformable porous layer 40 is formed on an outer circumferential surface 11 of each battery cell 1, and an adhesion layer 4 is formed by impregnating the porous layer 40 with an adhesive. Alternatively, the deformable porous layer 40 is formed on the outer circumferential surface 11 of each of the battery cells 1, and an adhesive layer 46 including an adhesive is formed on the back side in an insertion direction with respect to the porous layer 40.

Abstract: A technique for sufficiently filling an adhesive between a battery retaining section of a holder and a battery cell in a battery module configured by the battery cell being inserted and adhered in the aperture-shaped battery retaining section provided in the holder is provided. An adhesive layer that adheres a holder and a battery cells in a battery module is formed in a two-layer structure of a holder-side adhesive layer making contact with an inner circumferential surfaces of a battery retaining sections and a cell-side adhesive layer making contact with an outer circumferential surfaces of the battery cells, and different types of adhesives are used for an adhesive configuring the holder-side adhesive layer and an adhesive configuring the cell-side adhesive layer.

Abstract: A battery adhesion-fixation structure includes battery cells, a holder, an adhesive agent, bus bars, and an insulator. The holder includes holder holes for holding the battery cells therein. The adhesive agent adheres the battery cells with the holder within the holder holes. The bus bars electrically connect the battery cells with each other. The insulator intervenes between the bus bars and the holder. The bus bars include a bus-bar hole, and a terminal tab. The bus-bar hole faces face-to-face to an electrode terminal of the battery cells. The terminal tab projects into the bus-bar hole to be electrically connected with the electrode terminal. The insulator includes a face, and a dent opening in the face. The face opposes to the holder. The dent opens in the face, and accommodates the adhesive agent overflown toward the insulator therein.

Abstract: A battery module of the present invention includes: a battery group configured of a plurality of cylindrical batteries; a holder configured to retain the battery group so that the respective batteries are bundled in parallel to each other; and a casing being closed by the holder and including a storing space for housing the battery group, wherein the casing includes an opposing wall portion facing the holder, the opposing wall portion includes hole portions that retain the batteries by peripheries or inner circumferential surfaces of the hole portions, and guiding portions formed on the peripheries or the inner circumferential surfaces of the hole portions and configured to guide the batteries by causing the batteries to come closer to centers of the hole portions, such that central axis lines of the batteries pass through the centers of the hole portions, upon when the batteries are inserted into the storing space.

Abstract: A bus bar module of the present invention is disposed on one end side of each battery in a battery group consisting of a plurality of batteries having terminals at their ends in a longitudinal direction. The bus bar module includes a bus bar made of a conductive metal and electrically connecting the terminals of the respective batteries in the battery group; and an insulating laminate portion that is laminated, at least on an inner surface of the bus bar, among the inner surface facing the ends of the batteries and an outer surface on an opposite side of the inner surface of the bus bar. The insulating laminate portion has an insulating material comprising thermoplastic elastomer and/or rubber.

Abstract: A vehicle having a battery mounted thereon is provided. The battery includes a cell group having a plurality of cells, each of the cells including an electrolytic solution and a power-generating element within a case of cylindrical shape, and a holding member holding each of the cells in a diameter direction of the cell, wherein the cell group is placed in an area inside an edge of the holding member when viewed from a height direction of the vehicle. Each of the cells can be arranged to extend in the height direction of the vehicle. The holding member may be a heat dissipation plate allowing heat exchange between the cells.

Abstract: A vehicle having a battery mounted thereon is provided. The battery includes a cell group having a plurality of cells, each of the cells including an electrolytic solution and a power-generating element within a case of cylindrical shape, and a holding member holding each of the cells in a diameter direction of the cell, wherein the cell group is placed in an area inside an edge of the holding member when viewed from a height direction of the vehicle. Each of the cells can be arranged to extend in the height direction of the vehicle. The holding member may be a heat dissipation plate allowing heat exchange between the cells.

Abstract: An assembled battery including a plurality of cells of cylindrical shape arranged in a plane including a diameter direction, each of the cells including a groove portion extending in a circumferential direction, and a fixing plate including an engagement portion engaging with each of the groove portions of the cells to fix the plurality of cells. A bus bar electrically connecting terminal electrodes of adjacent two of the cells may be fixed to the fixing plate.

Abstract: An electric storage apparatus includes a plurality of electric storage elements, a bus bar electrically connecting the plurality of electric storage elements, and a case housing the plurality of electric storage elements. Each of the electric storage elements extends in a predetermined direction and has a positive electrode terminal and a negative electrode terminal at both ends in the predetermined direction. The plurality of electric storage elements are aligned in a plane orthogonal to the predetermined direction. The case has an opening portion configured to pass a heat exchange medium therethrough and extending in the predetermined direction. A portion of the bus bar extends in the predetermined direction and is disposed along a wall face of the case having the opening portion formed therein, the portion being disposed at a position different from a position of the opening portion.

Abstract: A vehicle having a battery mounted thereon is provided. The battery includes a cell group having a plurality of cells, each of the cells including an electrolytic solution and a power-generating element within a case of cylindrical shape, and a holding member holding each of the cells in a diameter direction of the cell, wherein the cell group is placed in an area inside an edge of the holding member when viewed from a height direction of the vehicle. Each of the cells can be arranged to extend in the height direction of the vehicle. The holding member may be a heat dissipation plate allowing heat exchange between the cells.

Abstract: An object of the invention is to provide an easy sealing technique of a battery element. A battery module has a battery element placed in the frame shape of an insulating middle frame body. This battery element is covered across the middle frame body by a positive electrode-side plate and a negative electrode-side plate to be contained. In the battery module, an insulating outer peripheral frame body is provided to cover outer peripheral plate sections of the positive electrode-side plate and the negative electrode-side plate along a circumference in a frame shape to include circumferential end faces of the positive and negative electrode-side plates and a circumferential end face of the middle frame body.

Abstract: A battery holder is equipped with a support unit having a battery holding hole, and a holder unit interposed between the battery holding hole and the battery. The holder unit has a first spacer and a second spacer. The first spacer has a support part that supports the battery in the support unit. The second spacer is formed using a material with a lower melting point than the melting point of the material of the first spacer, this is inserted in the heat shielding space, and when the second spacer is melted by heat and flows out from the heat shielding space, the constitution is such that the heat shielding space shifts the heat insulation space.

Abstract: A battery device includes a bus bar having a coupling bus bars, a positive electrode bus bar and a negative electrode bus bar. The coupling bus bar includes: a positive electrode connection member arranged to sequentially connect positive electrode terminals of the respective batteries included in one battery array group; and a negative electrode connection member arranged to sequentially connect negative electrode surfaces of the respective batteries included in another battery array group. The positive electrode connection member is electrically connected with the negative electrode connection member. The positive electrode bus bar is arranged to sequentially connect specific positive electrode terminals in a specific battery array group, which are not connected by the coupling bus bar. The negative electrode bus bar is arranged to sequentially connect specific negative electrode terminals in a specific battery array group, which are not connected by the coupling bus bar.

Abstract: A battery holder includes restriction members protruded from a holding base plate in an axial direction of batteries to be located in spaces between the batteries. Each of the restriction members has: a tapered surface which is inclined to the axial direction and is in line contact with an outer periphery of the end face of the battery when the restriction member is inserted into the space, so as to apply a force to move the battery in a radial direction of the battery; and a support surface which supports a side face of the battery that is not in contact with the tapered surface, by surface contact. The support surface is configured to receive a moving force in the radial direction from the tapered surface and support the side face of the battery by a reactive force.

Abstract: A battery holder holds a plurality of batteries by a simple structure. A battery holder 20 has a holder member 40 to hold batteries Bt. The holder member 40 includes a holder body 42 provided as a plate-like member, and holding holes 40S. The holding hole 40S is formed, such that a holding space 40Sa is secured between the inner wall of the holding hole 40S and the side face of the battery Bt. The holder member 40 has pressing projections 42a, each being formed by pressing and plastically deforming part of the holder body 42 toward an axial direction of the battery and formed by protruding part of the inner wall of the holding hole 40S toward the center of the battery. The pressing projections are arranged, such as to press the side face of the battery Bt and hold the battery Bt in the holder member 40.

Abstract: An assembled battery including a plurality of single batteries, a fin shaped portion and a sheet member is provided. The fin shaped portion is disposed outside of the plurality of the single batteries. A gas exhaustion path is defined between the fin shaped portion and the plurality of a plurality of the single batteries. A gas discharged from the single batteries from the assembled battery is discharged from the assembled battery to an outside of the assembled battery through the gas exhaustion path in a battery abnormal condition. The sheet member is disposed between the gas exhaustion path and the plurality of the single batteries, and is an insulating member.

Abstract: A battery pack includes a single cell having a cylindrical shape, the single cell having a positive electrode at one end of the single cell and a negative electrode at the other end of the single cell, a plurality of the single cells being arranged in a radial direction of the single cell; a fuse; a first bus bar connected via the fuse to one electrode, from among the positive electrode and the negative electrode; a second bus bar directly connected to the other electrode, from among the positive electrode and the negative electrode; and a retaining member configured to retain the plurality of single cells from the radial direction of the single cell, in a manner such that when the fuse is disconnected, retaining force with which the single cell is retained by the retaining member decreases and the single cell moves in a direction away from the fuse.

Abstract: An assembled battery including a plurality of cells of cylindrical shape arranged in a plane including a diameter direction, each of the cells including a groove portion extending in a circumferential direction, and a fixing plate including an engagement portion engaging with each of the groove portions of the cells to fix the plurality of cells. A bus bar electrically connecting terminal electrodes of adjacent two of the cells may be fixed to the fixing plate.

Abstract: A battery holder is equipped with a support unit having a battery holding hole, and a holder unit interposed between the battery holding hole and the battery. The holder unit has a first spacer and a second spacer. The first spacer has a support part that supports the battery in the support unit. The second spacer is formed using a material with a lower melting point than the melting point of the material of the first spacer, this is inserted in the heat shielding space, and when the second spacer is melted by heat and flows out from the heat shielding space, the constitution is such that the heat shielding space shifts the heat insulation space.