A method produces a laminate-type battery which can suppress short-circuiting even when a positioning guide is used. The method for producing a laminate-type battery having a first current collector layer, a first active material layer, a solid electrolyte layer or a separator layer, a second active material layer, and a second current collector layer laminated in this order, the method includes arranging a first layer along a first contact surface of a positioning guide, rotating the positioning guide, and thereafter arranging a second layer on the arranged first layer along a second contact surface of the positioning guide. The first layer and the second layer are different from each other and include an arbitrary layer selected from the first current collector layer, the first active material layer, the solid electrolyte layer or the separator layer, the second active material layer, and the second current collector layer.

A battery including a first electrode layer and a second electrode layer disposed on the first electrode layer and serving as a counter electrode for the first electrode layer. The first electrode layer includes a first current collector, a first active material layer, and a first solid electrolyte layer. The first active material layer faces the second electrode layer with the first solid electrolyte layer therebetween. The first electrode layer has a polygon shape including a plurality of corner portions, at least one of the corner portions of the first electrode layer includes a first rounded portion. The first active material layer has a polygon shape including a plurality of corner portions, and the corner portion of the first active material layer, adjacent to the corner portion including the first rounded portion, includes a rounded portion.

A silicon and sulfur battery and methods are shown. In one example, the silicon and sulfur battery includes a lithium chip coupled to a silicon electrode. In some examples, the silicon electrode is formed from silicon nanoparticles and carbon.

A battery includes a first electrode layer; and a second electrode layer disposed on the first electrode layer and serving as a counter electrode for the first electrode layer, wherein the first electrode layer includes a first current collector, a first active material layer, and a first solid electrolyte layer, the first active material layer is disposed to be in contact with the first current collector and to occupy a smaller area than the first current collector, the first solid electrolyte layer is disposed to be in contact with the first current collector and the first active material layer and to occupy the same area as the first current collector, the first active material layer faces the second electrode layer with the first solid electrolyte layer therebetween, and the first electrode layer includes a peripheral portion including a first rounded portion.

A button cell includes a button-shaped electrode assembly including a plurality of first electrodes, a plurality of second electrodes, and a plurality of separators positioned between the plurality of first electrodes and the plurality of second electrodes, with the plurality of first electrodes, the plurality of second electrodes, and the plurality of separators being stacked in one direction. A first case and a second case are combined to house the electrode assembly; and a bonding portion insulating and bonds the first case and the second case. The electrode assembly further includes a plurality of first electrode tabs spaced apart from each other along a first part of a circular border of the electrode assembly, with each of the first electrode tabs extending from the plurality of first electrodes, each of the plurality of first electrode tabs extending toe a center of a first surface of the electrode assembly, and the electrode tabs being connected to each other at the center of the first surface of the electrode assembly. A plurality of second electrode tabs are spaced apart from each other along a second part of the circular border of the electrode assembly from the plurality of second electrodes, extending to the center of the second surface of the electrode assembly, and connected to each other at the center of the second surface of the electrode assembly.

Embodiments of the disclosed lithium ion rechargeable battery include an anode, a cathode, and a separator including an electrolyte to prevent physical contact between the anode and the cathode, while also providing medium for transporting the lithium ions. In some embodiments, the anode may include a microporous scaffold structure that includes a silicon crystal covered in a thin polycrystalline silicon cover. Additionally, the various embodiments described herein further describe increasing the surface area of the microporous scaffold structure so as to provide a more efficient charge flow between the anode and the cathode. In some embodiment, the two or more microporous scaffold structures are stacked on top of one another so that there is an increase in contact area and reduced contact resistance, thus further increasing the charge capacity of the disclosed lithium ion rechargeable battery.

A hollow core secondary battery, including: an electrode assembly comprising a pair of electrode plates and a separator disposed between the pair of electrode plates; an outer container in which the electrode assembly is received; an inner container inserted into a central portion of the electrode assembly, the inner container being hollow; a first terminal assembly assembled at a top portion of the outer container, the first terminal assembly into which a top end portion of the inner container is inserted; and a second terminal assembly assembled at a bottom portion of the outer container, the second terminal assembly having a central portion into which a bottom end portion of the inner container is inserted.

A battery structure includes at least one electrode lamination layer, at least one first conductive member and at least one second conductive member. Each electrode lamination layer includes a plurality of first electrode layers, a plurality of second electrode layers and a plurality of insulating layers, wherein each insulating layer is disposed between any immediately-adjacent two of the first electrode layers and second electrode layers. The electrode lamination layer is disposed between the first conductive member and the second conductive member, wherein each first electrode layer or each second electrode layer is electrically connected with and substantially perpendicular to the first conductive member or the second conductive member.

The apparatus for forming electric energy storage devices, of the type including a cylindrical winding formed by at least one anode element, a cathode element and a separator interposed between said anode and cathode elements, and bearing a pair of metal disks, applied to the opposite ends thereof, adapted to make contact with the terminals of said anode and cathode elements, includes a rotatable member adapted to bring in succession said cylindrical windings at a series of operative stations. The apparatus includes first feeding means adapted to operate the advancement in ordered sequence of said cylindrical windings; means for transferring said cylindrical windings to said rotatable member; second feeding means adapted to operate the feeding to said rotatable member of said pairs of metal disks; and means of welding said pairs of metal disks to said terminals of said anode and cathode elements of the cylindrical windings.

A cylindrical battery is provided. The cylindrical battery includes a plurality of positive electrode sheets and a plurality of negative electrode sheets. The plurality of positive electrode sheets and the plurality of negative electrode sheets are alternately stacked along a height direction of the cylindrical battery, with a diaphragm provided between every two adjacent positive electrode sheet and negative electrode sheet. The cylindrical battery further includes a positive electrode current collecting column. The positive electrode current collecting column penetrates the plurality of positive electrode sheets, the plurality of negative electrode sheets and the plurality of diaphragms along an axial direction of the cylindrical battery. The positive electrode sheets are electrically coupled to the positive electrode current collecting column. The positive electrode current collecting column is electrically coupled to a top cover. The negative electrode sheets are electrically coupled to a housing.