Gs Yuasa International Ltd.

Honda Motor Co., Ltd.

Yoshimasa Toshioka

Yosuke Nishimura

Shun Sasaki

Masao Kawata

Kenta Yoshioka

Nobuyuki Naganawa

Masakazu Tsutsumi

Jun Machida

Eiji Yuasa

Sunao Teraguchi

An energy storage apparatus includes an energy storage device and a spacer disposed adjacent to the energy storage device in a first direction, in which the energy storage device has a case first surface on which an electrode terminal is disposed, a case second surface adjacent to the case first surface in a second direction intersecting the first direction, and a convex portion (gasket) protruding from the case first surface, and the spacer has a first protrusion that faces the convex portion in the second direction and protrudes along the convex portion without having a portion that faces the case second surface.

Energy storage apparatus

In an embodiment, a plurality of energy storage devices arranged in a first direction, an adjacent member sandwiched between the energy storage devices, a holding member that holds the energy storage devices and the adjacent member, an insulating member sandwiched between the energy storage devices and the holding member, a bus bar, and a bus bar holding member that holds the bus bar and is arranged along the plurality of energy storage devices are provided, in which the bus bar holding member has an elastic deformation portion, and the elastic deformation portion abuts on one of the adjacent member and the insulating member, and presses the bus bar holding member against the other of the adjacent member and the insulating member.

An energy storage apparatus includes an energy storage device and a spacer disposed adjacent to the energy storage device in a first direction, in which the spacer is disposed inward of the energy storage device in a second direction orthogonal to the first direction when viewed from the first direction, and has a concave-convex portion having at least one of a concave portion and a convex portion formed at an end portion in the second direction, and the concave-convex portion is disposed separated from the energy storage device.

In an embodiment, an energy storage apparatus includes plural energy storage devices arranged in a first direction, and a frame arranged along the energy storage devices. Each of the energy storage devices has an outer surface facing in a second direction orthogonal to the first direction. The frame has a first portion extending in the first direction along the outer surface, and a second portion extending in the second direction toward a facing surface on which the energy storage apparatus is installed, from at least a part of the first portion.

In an embodiment, an energy storage apparatus includes a plurality of energy storage devices arranged in a first direction and a pair of insulators extending in the first direction along the plurality of energy storage devices and arranged at an interval from each other in a second direction orthogonal to the first direction, and each of the plurality of energy storage devices has an outer surface facing a third direction orthogonal to the first direction and the second direction, and each of the pair of insulators has a space forming part extending from a position on the outer surface in the first direction and the third direction, and forming a space between a facing surface, on which the energy storage apparatus is installed, and the outer surface.

An energy storage apparatus includes an energy storage device and a spacer, in which the spacer has a main body portion, and a third protrusion having a shape that protrudes in a first direction that is a direction from the main body portion to a side surface or a bottom surface of the energy storage device, the protrusion not abutting on a surface of the energy storage device that faces the first direction, and an end edge of the main body portion in the first direction is positioned away in the first direction relative to the surface of the energy storage device that faces the first direction.

An energy storage device including an electrode terminal, and a case having a case first surface on which the electrode terminal is disposed, and a case second surface, a conductive member, and a first insulating member including a facing portion that faces the case second surface in the first direction, and is disposed between the case second surface and the conductive member, and an extending portion extending from the facing portion in a second direction intersecting the first direction are provided, and in a third direction intersecting the first direction and the second direction, the extending portion is disposed closer to the case first surface on which the electrode terminal is disposed than a case third surface facing the case first surface of the case.

An energy storage apparatus includes: a spacer; an energy storage device disposed adjacently to the spacer in a first direction and having an external terminal; and a cover member holding a bus bar connected to the external terminal and extending along the energy storage device, wherein the spacer has a first connecting portion to which the cover member is connected on an end portion thereof in a second direction, and the cover member has a second connecting portion which engages with the first connecting portion in a state where movement of the cover member in a direction away from the spacer in the second direction is restricted.

Energy storage apparatus and cover member

Provided is an energy storage apparatus includes: at least one energy storage device; and a spacer disposed adjacently to the energy storage device, the spacer being configured to form a ventilation passage which allows cooling air to pass therethrough between the spacer and the energy storage device, wherein the spacer has an opposedly facing portion which opposedly faces a spacer disposed adjacently to the spacer with the energy storage device sandwiched therebetween at a position which faces the ventilation passage and is disposed adjacently to the energy storage device in a flow direction of the cooling air in the ventilation passage, one opposedly facing portion of a pair of opposedly facing portions which opposedly faces each other of the spacers disposed on both sides of the energy storage device has an extending portion extending toward the other opposedly facing portion of the pair of opposedly facing portions, and the extending portion is brought into contact with the other opposedly facing portion.

An energy storage apparatus includes an energy storage device and an adjacent member adjacent to the energy storage device, wherein the energy storage device includes a case body for accommodating an electrode assembly, the case body having a body part including an opening at least a first end of the body part in a first direction, and a lid for closing the opening, the body part has a thick-walled part formed at least one of the first end and a second end of the body part in the first direction and a thin-walled part thinner than the thick-walled part, the adjacent member has a pair of sealing parts disposed at an interval in the first direction, and each of the sealing parts is in contact with the thin-walled part.

Provided is an energy storage apparatus which includes: an energy storage device; and a first spacer and a second spacer that sandwich the electric storage device, wherein each of the spacers includes: a passage forming portion that forms a passage for passing cooling air in a second direction that is perpendicular to a first direction in which the energy storage device and the spacers are arranged; and a passage blocking portion disposed at one end in the second direction, and wherein, in a view along a third direction perpendicular to the first and second directions, the passage blocking portion of one of the spacers and the passage blocking portion of the other of the spacers overlap.

An energy storage apparatus includes: an energy storage device; a bus bar; and a lead line, wherein the bus bar includes a bus bar body which is in contact with the external terminal of the energy storage device and includes a portion to be connected where the lead line is connected to the bus bar, and other portion which is contiguously formed with the portion to be connected, and the bus bar body has a cut disposed between the portion to be connected and the other portion.

Growing community of inventors

Kyoto, Japan

Yoshimasa Toshioka