An electrode plate, method for manufacturing an electrode plate, and method of testing an electrode plate enable efficient production of robust flowing electrolyte batteries. The method of testing an electrode plate includes forming a frangible portion in the electrode plate; providing a seal around a periphery of the electrode plate, wherein the periphery extends across the frangible portion; applying a gas adjacent a surface on a first side of the electrode plate; and detecting whether there is a presence of the gas adjacent a surface on a second side of the electrode plate, if the electrode plate passes testing, the frangible portion is removed from the electrode plate to define a cut-away region. The electrode plate is then positioned in a battery cell stack including a plurality of other electrode plates. A manifold is then attached to the cell stack adjacent the cut-away region of the electrode plate.

Provided is a battery module including a first cooling plate, a battery pack mounted on the first cooling plate, a cover to shield the battery pack, the cover being coupled to the first cooling plate, a coupling portion fixed to the cover, and a circuit module into which the coupling portion is inserted, the circuit module being mounted on the cover to be electrically connected to the battery pack.

An electricity storage block includes: an element stacked body in which a plurality of square electricity storage elements is stacked and arranged such that wide surfaces of the adjacent square electricity storage elements are opposed to each other; and a pressing device that presses the element stacked body toward the thermally-conductive sheet arranged on the heat transfer plate. The element stacked body includes holders having wide surface abutment parts in abutment with one of the wide surfaces in a pair in at least the predetermined square electricity storage element. The outer surfaces of the bottom plates of the square electricity storage elements are set as heat transfer surfaces thermally connected to the heat transfer plate via the thermally-conductive sheet. The heat-transfer surfaces protrude toward the heat transfer plate more than the end surfaces of the wide surface abutment parts at the heat transfer plate side.

The invention relates to a component for a redox flow cell, with an electrode frame (1, 11), an electrode (4, 14), a membrane (2) and a bipolar plate (3), wherein the electrode (4, 14) is arranged in the electrode frame (1, 11) and is enclosed circumferentially by the latter, and the electrode frame (1, 11) is arranged between membrane (2) and bipolar plate (3). It is essential that the electrode frame (1, 11) is connected to at least the membrane (2) in an integrally bonded manner by adhesive bonding. The invention furthermore relates to methods for producing a component for a redox flow cell.

An exemplary battery cell support structure includes a thermal exchange plate, and a plurality of support fins providing a cavity to receive a battery cell assembly. The plurality of support fins extend directly from the thermal exchange plate. An exemplary method of supporting a battery cell within a battery pack includes positioning a battery cell assembly within a cavity provided by a plurality of support fins extending directly from a thermal exchange plate.

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.

The power supply device includes a plurality of battery cells each having a rectangular outer shape; separators each interposed between the battery cells and insulating mutually adjacent battery cells; and fastening members for fastening a battery cell stack including the alternately stacked battery cells and the separators. The separator includes a sandwiching plate portion disposed between the facing principal surfaces of the mutually adjacent battery cells, and a plate-like bottom-surface cover portion provided to both surfaces of the sandwiching plate portion, at a lower end of the sandwiching plate portion, and protruding in a stacked direction of the battery cells to cover bottom surfaces of the battery cells. The bottom-surface cover portions of the separators stacked on both surfaces of the battery cells are stacked on each other at the bottom surfaces of the battery cells.

A power storage device includes: a power storage module in which a plurality of power storage cells are stacked along a stacking direction; and a case that accommodates the power storage module, wherein each of the power storage cells in the power storage module has a main surface extending in a direction substantially orthogonal to the stacking direction, and the case includes a supporting portion that supports, along the stacking direction, the power storage module accommodated in the case, and the case is provided with a recess that is provided at a position different from the supporting portion and that opens toward the main surface.

An all solid-state battery and a method for manufacturing all solid-state battery that are capable of reducing damage during the manufacturing process include: a positive electrode current collector; a positive electrode active material layer provided on a surface of the positive electrode current collector; a first elastic member covering a periphery of the positive electrode active material layer and having an elastic modulus less than or equal to an elastic modulus of the positive electrode active material layer; a solid electrolyte layer facing the positive electrode current collector with the first elastic member and the positive electrode active material layer in between; a negative electrode current collector facing the positive electrode current collector with the solid electrolyte layer in between; and a negative electrode active material layer provided between the negative electrode current collector and the solid electrolyte layer and disposed inside a periphery of the solid electrolyte layer.

A battery system includes a battery frame, a battery module, and a polymeric seat. The battery frame includes a horizontal bottom plate and a plurality of members that extend in a vertical direction from the bottom plate. The battery module includes at least one battery cell enclosed inside body of the battery module. The battery module also includes an attachment surface fixedly attached to the body and one or more supports that extend downward from to the body. The attachment surface is fixedly attached to one or more of plurality of members to generate a force on the one or more supports in a direction of the bottom plate. The polymeric seat is fixedly attached to either the one or more supports or the battery frame and removably contacts the other of the one or more supports or the battery frame. The polymeric seat is compressed in response to the force.