Abstract: A rinsing solution for rinsing a substrate with a protrusion portion, including an organic solvent (S1) that contains no hydroxyl group or fluorine atom and that has a dynamic viscosity of equal to or smaller than 1.05×106 m2/s. A method of treating a substrate with a protrusion portion, including a step (A) of bringing the rinsing solution into contact with a surface of the substrate with the protrusion portion, the protrusion portion being formed on the surface; and a step (B) of removing the rinsing solution from the surface on which the protrusion portion is formed.

Abstract: An inter-device conduction member includes a conduction part having a first connecting portion that connects to an electrode terminal of one power storage device, a second connecting portion that connects to an electrode terminal of another power storage device, and an expected breaking portion that is located between the first connecting portion and the second connecting portion and is conductively connected with the first connecting portion and the second connecting portion, and a break inducing part configured to deform upon a temperature rise to a level equal to or higher than an operating temperature to break the expected breaking portion of the conduction part and make connection between the first connecting portion and the second connecting portion non-conductive.

Abstract: A power storage device includes a resin member fixing a terminal member to a case member. The resin member includes an intervening portion between the case member and an outward-facing surface of the terminal member, and includes a first resin portion made of first resin material and containing thermoplastic insulating first resin and first fillers and a second resin portion made of second resin material and containing thermoplastic insulating second resin and second fillers, and fixed to the case member and the terminal member by integral molding. The intervening portion includes a first intervening portion of the first resin portion and a second intervening portion. An average second orientation direction of the second fillers intersects an average first orientation direction of the first fillers in the first intervening portion.

Abstract: A secondary battery includes an electrode body, in which a positive electrode formed of a positive electrode foil coated with a positive active material layer and a negative electrode formed of a negative electrode foil coated with a negative active material layer are stacked with separators interposed between them, a battery case that hermetically houses the electrode body, and a shielding member placed between the electrode body and the battery case to shield against ejected substances, which are ejected from the electrode body toward the battery case, due to a short circuit between the positive electrode and the negative electrode.

Abstract: A sealed secondary battery includes a battery case, an electrode body hermetically housed in the battery case, an insulating member interposed between the battery case and the electrode body, and a safety valve provided in the battery case at a position facing the insulating member to release gas out of the battery case when gas pressure or temperature in the battery case rises to a predetermined value or higher. The safety valve includes an openable valve part and a valve-part supporting portion annularly supporting the outer circumferential portion of the valve part and connected to the battery case. A case inner surface of the valve-part supporting portion, located inside relative to the valve part, is provided with a gas-passage forming portion that forms a gas passage communicating toward the valve part between the insulating member pushed toward the valve part by the gas and the valve-part supporting portion.

Abstract: A substrate supporter that supports a substrate and a liquid supplier that supplies a liquid to a surface of the substrate supported by the substrate supporter. The liquid supplier supplies the substrate with a mixed solution prepared in a predetermined ratio of a main solution, pure water, and one or more of an additive, an oxidant, and an etching agent.

Abstract: A device interconnection member for connecting a first electrode terminal made of first metal in one power storage device and a second electrode terminal made of second metal in another power storage device includes a first conductive member made of the first metal and to be connected to the first electrode terminal, a second conductive member made of the second metal and to be connected to the second electrode terminal, a joint portion where a first joined portion of the first conductive member and a second joined portion of the second conductive member are joined, and a resin seal member hermetically sealing the joint portion.

Abstract: A power storage device includes a metal case with a safety valve part. The safety valve part includes a hole surrounding edge portion that forms a valve hole penetrating through the case and a valve member hermetically sealing this valve hole. The valve member includes a plate circumferential edge portion and a ring-shaped resin valve member that is made of thermoplastic resin and hermetically seals a space between the plate circumferential edge portion of the metal seal plate and the hole surrounding edge portion of the case. The safety valve part is a first safety valve part of a temperature opening type to be opened by softening or melting of the resin valve member by heat.

Abstract: A prismatic power storage device includes a case having a case body and a rectangular plate-shaped lid, an electrode body housed in the case, a positive terminal member extending out through a positive-electrode insert hole provided in the lid, and a negative terminal member extending out through a negative-electrode insert hole. The lid includes a first safety valve provided in a center of the lid and to be opened at a first operating pressure, a second safety valve provided on one side relative to a central region and to be operated at a second operating pressure higher than the first operating pressure, and a third safety valve provided on the other side relative to the central region and to be operated at a third operating pressure higher than the first operating pressure.

Abstract: A secondary battery includes a battery case, an electrode body housed in the battery case, and a current collector terminal including an outer terminal inserted in a terminal through hole of the battery case and fixed to the battery case via an insulating resin member and an inner terminal formed to be energized to the outer terminal and connected to the electrode body. The current collector terminal is provided with a current interrupt mechanism configured such that when the battery temperature rises above a predetermined temperature, the outer terminal and the inner terminal are separated by the biasing force of a spring member biasing the outer terminal or/and the inner terminal and placed into a de-energized state.

Abstract: A battery includes a case member, a terminal member, and a resin member. The case member has a through-hole. The resin member includes an inner portion that contacts an inner surface of the case member, an inside-hole portion that fills space between a wall of the through-hole and the terminal member, and an outer portion that contacts an outer surface of the case member and has a smaller volume than the inner portion. One of a first condition that the thermal expansion coefficient of the case member is larger than that of the inner portion and the tensile strength of the inner portion is lower than that of the outer portion and a second condition that the thermal expansion coefficient of the case member is smaller than that of the inner portion and the tensile strength of the outer portion is lower than that of the inner portion is satisfied.

Abstract: A power storage device includes a case member having an insertion hole, a terminal member, and a resin member that fixes the terminal member to the case member. The terminal member has a terminal top plate and a terminal extension. The terminal member and the resin member are hermetically sealed only at a top plate roughened portion that is formed in the shape of an encircling band on a top plate rear surface of the terminal top plate and is subjected to surface roughening. The case member and the resin member are hermetically sealed only at a case roughened portion that is formed in the shape of an encircling band on a case inner surface of the case member and is subjected to surface roughening.

Abstract: A power storage device includes a case member, a terminal member, and a resin member that is hermetically joined to these members while insulating them from each other. The resin member includes a thermoplastic main resin and a fibrous filler consisting of numerous fibers. The resin member has a resin inner portion and a resin outer portion, and at least one of a resin inner surface facing the inside and a resin joint surface facing the outside of the resin inner portion is provided with an uneven region, and molding of the uneven region causes variation in the direction of the fibers of the filler included in the resin inner portion.

Abstract: The technique disclosed herein relates to a method for manufacturing a secondary battery, and includes an assembly producing step for producing an assembly in which an electrical collector terminal and an electrode assembly are connected, an electrode assembly accommodating step for accommodating the electrode assembly in an inside of a shrink pack that includes an upper opening and that is formed in a bag shape, an electrolytic solution liquid injection step for injecting an electrolytic solution to the inside of the shrink pack, an electrolytic solution osmosing step for making the electrolytic solution osmose to an inside of the electrode assembly, and a shrink pack heat-shrinking step for making the shrink pack be subjected to a heat shrink.

Abstract: A power storage device module includes a plurality of power storage devices arranged in a row, and an intervening member interposed between adjacent ones of the power storage devices. Each of the power storage devices includes an electrode body and a metal case that houses the electrode body. A case outer surface of the case includes a contact part, which contacts with the intervening member. This contact part includes a tip abutting part having numerous protrusions, whose tips abut on the intervening member with the intervening member with a reduced contact area.

Abstract: A battery 1 includes an electrode body and a metal case housing this electrode body. The case has a case outer surface exposed outside. The case outer surface includes a heat release part that faces a cooling surface of a cooler and dissipates heat toward the cooling surface via a thermally-conductive material. The heat release part of the case outer surface includes an area-increase portion formed with numerous protrusions and numerous pits by an area increasing treatment, increasing the specific surface area.

Abstract: A power storage device includes a case member having a terminal insertion hole, a terminal member inserted through the terminal insertion hole, and a resin member made of an insulating resin material and hermetically adhering to the case member and the terminal member to fix the terminal member to the case member while insulating the members from each other. The terminal member has an encircling band-shaped first roughened portion that has a roughened surface and surrounds the terminal member, and a second roughened portion that is spaced apart from the first roughened portion and has a roughened surface. The resin member is insert-molded integrally with the case member and the terminal member, and has an encircling band-shaped terminal seal portion that hermetically adheres to the first roughened portion, and a stress reducing portion that adheres to the second roughened portion and reduces stress generated in the terminal seal portion.

Abstract: A metal-resin joint includes a metal member having a continuous band-shaped resin joined portion on a metal surface, and a resin member joined and fixed to the resin joined portion over the entire periphery in a circumferential direction. The resin joined portion has a continuous band-shaped recess arranged portion in which numerous bowl-shaped recesses are arranged while partially overlapping, and the recess arranged portion includes a continuous band-shaped nano-roughened portion on which high nanocolumns stand numerously, and a non-nano-roughened portion. The resin member is joined to the nano-roughened portion over the entire periphery with a resin material filling gaps between the high nanocolumns standing numerously on the nano-roughened portion.

Abstract: A power storage device includes a case member, a terminal member, and a resin member that fixes the terminal member to the case member. At least one of a case seal portion and a terminal seal portion has a plurality of first seal portions each of which extends continuously over the entire periphery in a circumferential direction and is subjected to cohesive failure when a joint with the resin member breaks down, and a second seal portion that is disposed between the first seal portions adjacent to each other, extends continuously over the entire periphery in the circumferential direction, and is subjected to interfacial failure when a joint with the resin member breaks down.

Abstract: A power storage device includes a case lid with a terminal inserting hole, a current collecting terminal having a hole insertion portion inserted in the terminal inserting hole and an external connection portion placed on a front surface side of the case lid, and an insulating resin member integrally molded with the current collecting terminal and the case lid. The insulating resin member includes an outer-periphery-side insulating resin portion and a back-surface side insulating resin portion connecting the current collecting terminal and the case lid. The back-surface side insulating resin portion is formed with a hollow portion penetrating through a back surface of the back-surface side insulating resin portion to a back surface of the outer connecting portion. The back surface of the outer connecting portion is formed with an annular band-shaped sealing portion along the outer edge portion of the hollow portion.