Abstract: A battery includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, the plurality of battery cells being electrically connected in parallel and laminated, an electrode insulating member covering the electrode layer in a first region of one of a plurality of side surfaces of the power-generating element, a counter-electrode lead, electrically connected to the counter-electrode layer, that covers the first region and the electrode insulating member, a counter-electrode insulating member covering the counter-electrode layer in a second region of one of the plurality of side surfaces, and an electrode lead, electrically connected to the electrode layer, that covers the second region and the counter-electrode insulating member. The first region and the second region are located on an identical side surface of the power-generating element.

Abstract: A battery according to an aspect of the present disclosure includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, the plurality of battery cells being electrically connected in parallel and laminated, an electrode insulating member covering the electrode layer on each of a plurality of first side surfaces of the power-generating element, a plurality of counter-electrode leads, electrically connected to the counter-electrode layer, each of which covers a first region of a corresponding one of the plurality of first side surfaces excluding both ends in a direction orthogonal to a direction of laminating and the electrode insulating member, and a counter-electrode conductor that connects the plurality of counter-electrode leads.

Abstract: Each of the plurality of power-generating layers includes an electrode layer, a counter electrode layer, and a solid electrolyte layer located between the electrode layer and the counter electrode layer, a plurality of current collectors each include a counter electrode current collector that is electrically connected to the counter electrode layer, and an electrode current collector that is electrically connected to the electrode layer, the plurality of power-generating layers are laminated so as to be electrically connected in parallel, the power-generating layers being adjacent to each other are laminated while interposing at least one current collector out of the plurality of current collectors, each of the power-generating layers of a power-generating element is sandwiched between two adjacent current collectors out of the plurality of current collectors, a side surface of the power-generating element includes a first region and a second region.

Abstract: A battery includes: a power-generating element including battery cells electrically connected in parallel and laminated and each including an electrode layer, a counter electrode layer, and a solid electrolyte layer; an electrode insulation member; a counter electrode lead layer covering a first side surface and the electrode insulation member and electrically connected to the counter electrode layer of each of the battery cells; and a counter electrode current collector terminal provided at a first principal surface of the power-generating element. A resistance of a first portion, of the counter electrode lead layer, connected to the counter electrode layer of a battery cell disposed closest to the first principal surface among the battery cells is lower than a resistance of a second portion thereof connected to the counter electrode layer of a battery cell disposed farthest from the first principal surface among the battery cells.

Abstract: A battery includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, an electrode insulating member covering the electrode layer on a first side surface of the power-generating element, a counter-electrode lead, electrically connected to the counter-electrode layer, that covers the first side surface and the electrode insulating member, a counter-electrode insulating member covering the counter-electrode layer on a second side surface of the power-generating element, an electrode lead, electrically connected to the electrode layer, that covers the second side surface and the counter-electrode insulating member, a counter-electrode collector terminal connected to the counter-electrode lead, and an electrode collector terminal connected to the electrode lead.

Abstract: A battery includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, a side surface insulating layer covering a side surface of the power-generating element from first to second ends of the power-generating element in a direction of laminating, a side surface conductor both connected to a counter-electrode layer located at the second end of the power-generating element and disposed along the side surface insulating layer, a counter-electrode collector terminal, both disposed at a first principal surface of the power-generating element located at the first end and connected to the side surface conductor, that is greater in thickness than a collector connected to the counter-electrode layer located at the second end, and an insulating layer disposed between the counter-electrode collector terminal and the first principal surface.

Abstract: A battery includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, an electrode insulating member covering the electrode layer on a first side surface of the power-generating element, a counter-electrode lead, electrically connected to the counter-electrode layer, that covers the first side surface and the electrode insulating member, a counter-electrode insulating member covering the counter-electrode layer on a second side surface of the power-generating element, an electrode lead, electrically connected to the electrode layer, that covers the second side surface and the counter-electrode insulating member, a counter-electrode collector terminal provided at a first principal surface of the power-generating element, and an electrode collector terminal provided at a second principal surface of the power-generating element opposite to

Abstract: A battery includes an electrode collector, two electrode active material layers, two solid electrolyte layers, two counter-electrode active material layers, and two counter-electrode collectors in this order, and includes a first insulating layer that covers side surfaces of the two counter-electrode collectors, the two counter-electrode active material layers, the two solid electrolyte layers, and the two electrode active material layers. A first region not covered with any of the two electrode active material layers is provided at ends of both principal surfaces of the electrode collector. A second region not covered with any of the two counter-electrode collectors is provided at an end of a principal surface of each of the two counter-electrode active material layers that faces toward a corresponding one of the counter-electrode collectors. The first insulating layer covers the second region. The electrode collector projects from an outer surface of the first insulating layer.

Abstract: A battery includes: a power generation element including battery cells each of which includes an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, and which are electrically connected in parallel and stacked; an insulating member covering an electrode layer at a side surface of the power generation element; and a terminal electrode covering the side surface and the insulating member, and electrically connected to a counter-electrode layer, in which the power generation element includes: a first parallel unit that includes first battery cells and has both ends in a stacking direction at each of which a counter-electrode layer is located; and a second parallel unit that includes second battery cells, has both ends in the stacking direction at each of which an electrode layers is located, and is stacked on the first parallel unit.

Abstract: A battery includes battery cells. A battery cell includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer. On a side surface of the battery cell, in a plan view of the side surface of the battery cell, striated cut marks which are inclined with respect to the thickness direction of the battery cell are provided.

Abstract: A battery includes: a power generation element including battery cells which are electrically connected in parallel and stacked, and each of which includes an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer; an electrode insulating layer covering an electrode layer among the electrode layers at a side surface of the power generation element; and a counter-electrode terminal covering the side surface and the electrode insulating layer, and electrically connected to a counter-electrode layer among the counter-electrode layers.

Abstract: A battery includes: a power generation element including a plurality of battery cells each of which includes an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, the plurality of battery cells being electrically connected in parallel and stacked; an interlayer located between a pair of two adjacent battery cells; an electrode insulating layer covering an electrode layer among the electrode layers at a first side surface of the power generation element; and a counter-electrode terminal covering the first side surface and the electrode insulating layer, and electrically connected to a counter-electrode layer among the counter-electrode layers.

Abstract: A battery includes: a power generation element including battery cells each of which includes an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, and which are stacked; an electrode insulating layer covering an electrode layer among the electrode layers at a side surface of the power generation element; and a counter-electrode terminal covering the side surface and the electrode insulating layer, and electrically connected to a counter-electrode layer among the counter-electrode layers. At least some of the battery cells are connected in parallel. At the side surface, the electrode insulating layer covers from an electrode layer among the electrode layers to a part of a corresponding one of the counter-electrode layers along a stacking direction of the power generation element.

Abstract: A battery includes: a power generation element that includes a plurality of unit cells each including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer. The power generation element includes a first side surface and a second side surface, and in the first side surface, first depressions and first projections are arranged alternately, in the second side surface, second depressions and second projections are arranged alternately, each of the first depressions includes a first inclination surface, and each of the second depressions includes a second inclination surface. The battery further includes: a first insulating member arranged in the first depressions; a second insulating member arranged in the second depressions; a first conductive member; and a second conductive member. The positive electrode layers are electrically connected via the first conductive member, and the negative electrode layers are electrically connected via the second conductive member.

Abstract: The battery includes a power generation element including: a positive electrode active material layer containing a positive electrode active material and a first inorganic solid electrolyte; a negative electrode active material layer containing a negative electrode active material and a second inorganic solid electrolyte; and a solid electrolyte layer positioned between the positive electrode active material layer and the negative electrode active material layer and containing a third inorganic solid electrolyte. There are a plurality of voids inside the power generation element, and an internal pressure of the plurality of voids is lower than 1 atm.

Abstract: The battery includes: a power generation element including a negative electrode active material layer, a positive electrode active material layer, and a solid electrolyte layer positioned between the negative electrode active material layer and the positive electrode active material layer; a sealing material that seals a first surface, which is a side surface of the power generation element; and a negative electrode current collector positioned on a side of the negative electrode active material layer in the power generation element. In the battery, a void surrounded by the sealing material, the first surface, and the negative electrode current collector is present, and the internal pressure of the void is lower than 1 atm. The negative electrode current collector includes a first recess curved to be recessed toward the void.

Abstract: A battery includes a power generation element that includes a plurality of unit cells each including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer, the unit cells are stacked in a direction normal to a main surface, in a side surface of the power generation element, one electrode layer of the positive electrode layer and the negative electrode layer in each of the unit cells protrudes more than the other electrode layer such that depressions and projections are provided, each of the depressions includes a first inclination surface that is an end surface of the other electrode layer, and the battery further includes: one or more conductive members in contact with a corresponding one of the projections; an insulating member that covers the side surface; and one or more extraction electrodes that are in contact with the one or more conductive members.

Abstract: A battery including a first electrode layer, a solid electrolyte layer on the first electrode layer, a second electrode layer which is located on the solid electrolyte layer and which is a counter electrode layer of the first electrode layer, and a space portion, wherein a first thickness portion is located on the first active material layer, the second thickness portion is located on the first electrode layer, the second active material layer is located at a position which faces the first thickness portion and which does not face the first active material layer via the second thickness portion, the second collector extends to the position facing the second thickness portion and a region provided with the second active material layer, the second thickness portion is in contact with the second electrode layer, and the space portion is surrounded by the second electrode layer and the second thickness portion.

Abstract: A method for manufacturing a laminated battery in which a plurality of unit battery cells each having a negative-electrode layer, a positive-electrode layer, and a solid electrolyte layer located between the negative-electrode layer and the positive-electrode layer are laminated, the method including: measuring respective characteristics of the plurality of unit battery cells; laminating the plurality of unit battery cells, the characteristics of the plurality of unit battery cells being measured; and on the basis of the respective characteristics of the plurality of unit battery cells laminated in the laminating, adjusting areas of the plurality of unit battery cells which are laminated by collectively cutting the plurality of unit battery cells which are laminated and thereby so that a battery capacity of the laminated battery falls within a predetermined range of value.

Abstract: A method for manufacturing a laminated battery is a method for manufacturing a laminated battery in which a plurality of unit battery cells each having a negative-electrode layer, a positive-electrode layer are laminated, and a solid electrolyte layer located between the negative-electrode layer and the positive-electrode layer. The method includes laminating the plurality of unit battery cells and collectively compressing, in a direction of laminating, the plurality of unit cells laminated in the laminating. In the laminating, the plurality of unit battery cells are laminated in such an arrangement that two unit battery cells located at both ends in the direction of laminating are both lower in degree of compression than a unit battery cell located between the two unit battery cells.