JP2009099383A5 - - Google Patents

Claims (12)

A laminated body formed by laminating each element forming a power generation element or a power storage element, or a pressurizing structure of a laminated body that is a laminated stack formed by laminating a unit power generation element or a unit power storage element,
A pair of end plates positioned above and below the laminate;
A plate-like elastic body that clamps the end plate from above and below and pressurizes the laminated body in the lamination direction ;
A laminate pressure structure, wherein the end plate is provided with a thick portion, and a side portion of the plate-like elastic body is brought into contact with the thick portion . The pressure structure of the laminate according to claim 1, wherein the cross-sectional shape of the plate-like elastic body is a groove type having a bottom surface portion and two side surface portions bent from the bottom surface portion. The state of the plate-like elastic body in a state before the laminate body is pressurized so that an angle formed between the bottom surface portion and the side surface portion of the plate-like elastic body becomes a right angle in a state where the laminate body is pressurized. The pressure structure of the laminate according to claim 2, wherein an angle formed by the bottom surface portion and the side surface portion is set in advance to be less than 90 degrees. The angle formed by the bottom surface portion and the side surface portion of the plate-like elastic body in a state before pressurizing the laminated body is set to 65 degrees or more and 85 degrees or less. Pressurized structure of the laminate. The said plate-shaped elastic body has the protrusion part for pressing the said end plate in the said side part, The pressurization structure of the laminated body as described in any one of Claim 2 to 4 characterized by the above-mentioned. The plate-like elastic body is one of a pair of plate-like elastic bodies, and the pair of plate-like elastic bodies sandwich the end plates so that the bottom portions thereof face each other, and the set of plates 6. The pressurization of the laminate according to claim 5, wherein a distance from each of the protrusions of the elastic body to the center of the laminate is 12% or more and 38% or less of a width of the laminate. Construction. The laminated elastic body according to any one of claims 2 to 4, wherein the plate-like elastic body has a folded portion that is folded in a direction in which the side surface portions face each other at an end of the side surface portion. Pressure structure. The laminate according to claim 7, wherein a distance from a contact point between the folded portion and the end plate to a center of the laminate is 12% or more and 38% or less of a width of the laminate. Pressure structure. An opening is provided in the side surface portion of the plate-like elastic body, and the plate-like elastic body is formed by bending a portion surrounded by the opening portion in a direction in which the side surface portions face each other. 5. The pressurizing structure for a laminate according to claim 2, further comprising a bent portion. The plate-like elastic body is one of a pair of plate-like elastic bodies, and the pair of plate-like elastic bodies sandwich the end plates so that the bottom portions thereof face each other, and the set of plates The distance from the contact point between each of the bent portions of the elastic body and the end plate to the center of the laminate is 12% or more and 38% or less of the width of the laminate. A pressure structure of the laminate according to 9. The pressurizing structure for a laminate according to any one of claims 1 to 4, wherein the end plate is provided with a protrusion, and the plate-like elastic body sandwiches the end plate at the protrusion. The plate-like elastic body is one of a set of plate-like elastic bodies, the protrusion is one of a set of protrusions, and the distance from each of the set of protrusions to the center of the laminate is determined by the stacking The pressure structure of the laminate according to claim 11, wherein the pressure structure is 12% or more and 38% or less of the width of the body.