Abstract: Provided is a coin-shaped lithium ion secondary battery including a positive electrode layer, a negative electrode layer, a separator interposed between, an electrolytic solution, and an exterior body having a coin shape with a bulge on at least one surface and comprising a closed space accommodating the positive electrode layer, the negative electrode layer, the separator, and the electrolytic solution. The lithium ion secondary battery has a main region where all of the positive electrode layer, the negative electrode layer, and the separator overlap and a peripheral region which is devoid of at least one of the positive electrode layer, the negative electrode layer, and the separator, wherein a battery bulge ratio that is the ratio of the maximum thickness of the lithium ion secondary battery in the main region to the minimum thickness of the lithium ion secondary battery in the main region is 1.01 to 1.25.

Abstract: A lithium secondary battery includes a positive electrode composed of a sintered body containing lithium cobaltate, a negative electrode, and a separator composed of a sintered body containing magnesia interposed between the positive electrode and the negative electrode. The lithium secondary battery further includes an intermediate layer between the positive electrode and the separator, the intermediate layer containing an oxide containing Co and Mg.

Abstract: Provided is a three-dimensional shaping apparatus comprising a nozzle having a discharge port through which a shaping material is discharged, and a flow rate regulation mechanism that includes a butterfly valve provided in a flow path upstream of the discharge port.

Abstract: A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

Abstract: A three-dimensional modeling apparatus includes a drive motor, a plasticizing section having a flat screw configured to be rotated by the drive motor, the plasticizing section being configured to plasticize and convert the material into a molten material by the rotation of the flat screw, and a nozzle configured to inject the molten material.

Abstract: Provided is a lithium ion secondary battery including (a) a unit cell including a positive electrode layer composed of a lithium complex oxide sintered body, a negative electrode layer composed of a titanium-containing sintered body, a ceramic separator interposed therebetween, and an electrolyte, (b) a current collecting layer on each of both sides or the surface on the negative electrode layer side of the unit cell, and (c) an exterior body including a closed space, which accommodates the unit cell. The positive electrode layer, the ceramic separator, the negative electrode layer, and the current collecting layer form one integrated sintered body as a whole, whereby these components are bonded together, and in cross-sectional observation of the interface between the current collecting layer and the negative electrode layer, the proportion of the region in which these layers are in direct contact at the interface is 45 to 90%.

Abstract: A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

Abstract: A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

Abstract: Provided is a lithium secondary battery including a positive electrode layer composed of a lithium complex oxide sintered body and having a thickness of 70 ?m or more; a negative electrode layer composed of a titanium-containing sintered body and having a thickness of 70 ?m or more; a separator interposed between the positive electrode layer and the negative electrode layer; an electrolyte with which at least the separator is impregnated; and an outer package comprising a closed space, the closed space accommodating the positive electrode layer, the negative electrode layer, the separator, and the electrolyte, wherein the lithium secondary battery has a property that the resistance value decreases as the state of charge (SOC) increases from 10% to 80%.

Abstract: A 3D modeling device that forms a 3D object includes: a stage; a nozzle through which a fused material is ejected; a build plate disposed on the stage, the build plate receiving the fused material ejected through the nozzle to build the 3D object on the build plate; and a plasticizing member configured to plasticize a thermoplastic material to form the fused material. The plasticizing member includes: a flat screw having a grooved surface in which a groove is provided, the groove extending in a helical shape; a screw-facing piece having a communication path and a screw-facing surface facing the grooved surface; and a drive motor configured to rotate the flat screw. The groove continuously helically extends toward a material inlet from which the thermoplastic material in solid form is supplied, and the material inlet is provided on a side face of the flat screw.

Abstract: In a manufacturing method of a three-dimensional formed object, the method includes a first discharging in which a forming material is continuously discharged from a nozzle while causing a position of the nozzle to change with respect to the forming table in a first direction which is perpendicular to a top surface of the forming table to cause the forming material to be deposited in the first direction, a second discharging in which the forming material is continuously discharged from the nozzle while changing the position of the nozzle with respect to the forming table in a second direction which is parallel to the top surface of the forming table to dispose the forming material along the second direction, and repeating in which the first discharging and the second discharging are repeated.

Abstract: A manufacturing method of a three-dimensional formed object includes disposing a first forming material on a forming table to form a plurality of structures which are separated from each other, and disposing a second forming material for forming the three-dimensional formed object such that the three-dimensional formed object is supported by the plurality of structures in a state of being separated from the forming table.

Abstract: A three-dimensional forming system includes a three-dimensional forming apparatus and a control device. The three-dimensional forming apparatus includes a nozzle that discharges a forming material, an opening/closing mechanism that opens or closes a flow path connected to the nozzle, a moving mechanism that changes a relative position between the forming table and the nozzle, and a control unit that perform a control based on forming data. The control device includes a forming data generating unit that analyzes path data including a path indicating a movement direction and a movement distance of the nozzle and a discharge parameter indicating discharging of the forming material, generates the forming data by adding an opening/closing command for driving the opening/closing mechanism to the path data, and transmits the forming data to the three-dimensional forming apparatus.

Abstract: Provided is a three-dimensional shaping apparatus comprising a nozzle having a discharge port through which a shaping material is discharged, and a flow rate regulation mechanism that includes a butterfly valve provided in a flow path upstream of the discharge port.

Abstract: A circuit board assembly includes a wiring board, a coin-type secondary cell that is a lithium secondary cell electrically connected to the wiring board by reflow soldering, and a wireless communication device electrically connected to the wiring board. The coin-type secondary cell includes a positive electrode including a sintered body, a negative electrode including a sintered body, an electrolyte layer provided between the positive electrode and the negative electrode, and a cell case having an enclosed space in which the positive electrode, the negative electrode, and the electrolyte layer are housed. When C is given as the capacity of the positive electrode and A is given as the capacity of the negative electrode, 1.03<C/A<1.60 is satisfied.

Abstract: Provided is a shaping material supply device for use in a three-dimensional shaping apparatus, which includes a first flow path through which a shaping material flows, a nozzle that communicates with the first flow path and discharges the shaping material, and a flow rate regulation mechanism that includes a butterfly valve provided in the first flow path.

Abstract: A three-dimensional modeling apparatus includes a drive motor, a plasticizing section having a flat screw configured to be rotated by the drive motor, the plasticizing section being configured to plasticize and convert the material into a molten material by the rotation of the flat screw, and a nozzle configured to inject the molten material.

Abstract: A three-dimensional modeling apparatus includes a drive motor, a plasticizing section having a flat screw configured to be rotated by the drive motor, the plasticizing section being configured to plasticize and convert the material into a molten material by the rotation of the flat screw, and a nozzle configured to inject the molten material.

Abstract: A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

Abstract: A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.