Abstract: A lithium air battery comprises: a negative electrode configured to occlude and release a lithium ion; a positive electrode configured to use oxygen in air as a positive electrode active material; and a nonaqueous lithium ion conductor disposed between the negative electrode and the positive electrode. The positive electrode contains a copper compound as a catalyst to produce oxygen. The copper compound contains no neutral ligand and contains at least one copper ion and at least one selected from the group consisting of an iodine ion, a bromine ion, and a thiocyanate ion.

Abstract: A lithium air battery includes: a negative electrode configured to occlude and release lithium ions; a positive electrode configured to use oxygen in air as a positive electrode active material; and an electrolyte liquid that is configured to function as a nonaqueous lithium ion conductor, and that is disposed between the negative electrode and the positive electrode.

Abstract: A flow battery includes: a liquid including redox mediator; an electrode at least partially immersed in the liquid; a second electrode; an active material at least partially immersed in the liquid; and a circulator that circulates the liquid between the electrode and the active material.

Abstract: A flow battery includes: a liquid including a redox mediator; an electrode; a second electrode; an active material; and a circulator that circulates the liquid between the electrode and the active material. The redox mediator includes a tetrathiafulvalene derivative.

Abstract: A flow battery includes: a liquid including a redox mediator; an electrode at least partially immersed in the liquid; a second electrode; an active material at least partially immersed in the liquid, and a circulator that circulates the liquid between the electrode and the active material.

Abstract: A flow battery includes a first liquid containing a redox mediator, a first electrode, a first active material, and a first circulator that circulates the first liquid between the first electrode and the first active material. The redox mediator contains a heteranthrene compound. The redox mediator contains a heteranthrene compound. The heteranthrene compound has a skeletal structure including a central ring structure, the central ring structure containing no nitrogen.

Abstract: An air battery includes a negative electrode allowing a metal ion to be occluded in the negative electrode and released from the negative electrode, a positive electrode configured to use oxygen in the air as a positive electrode active material, a nonaqueous metal ion conductor disposed between the negative electrode and the positive electrode, and oxygen evolving catalysts. The positive electrode includes a carbon material. At least one of the oxygen evolving catalysts is fixed to the surface of the carbon material through a Si—O bond.

Abstract: A lithium air battery includes a negative electrode allowing a lithium ion to be occluded in the negative electrode and released from the negative electrode; a positive electrode configured to use oxygen in air as a positive electrode active material; a nonaqueous lithium ion conductor disposed between the negative electrode and the positive electrode; and a copper ion present in at least one selected from the group consisting of the positive electrode and the nonaqueous lithium ion conductor.

Abstract: An electronic device that increases both visibility and selectability of executable programs. The electronic device includes a touch panel display having an elongated shape, a memory storing programs, and a processor controlling program execution and the display. The touch panel includes a first display region and a second display region contiguous with and narrower than the first display region. The display displays an execution image of a first program in the first display region and an icon image of a second program in the second display region in a smaller display area than the execution image. When the processor detects contact at the icon image and detects that the contact moves towards the first display region, the processor causes the display to display an execution image of the second program in the first display region.

Abstract: A flow battery includes a first liquid containing a first electrode mediator dissolved therein, a first electrode immersed in the first liquid, a first active material immersed in the first liquid, and a first circulation mechanism that circulates the first liquid between the first electrode and the first active material, wherein the first electrode mediator includes a tetrathiafulvalene derivative, and the tetrathiafulvalene derivative has a ring-forming substituent at positions 4,4? and 5,5? of a tetrathiafulvalene skeleton thereof.

Abstract: A flow battery includes a first liquid containing a first electrode mediator dissolved therein, a first electrode immersed in the first liquid, a first active material immersed in the first liquid, and a first circulation mechanism that circulates the first liquid between the first electrode and the first active material, wherein the first electrode mediator includes a tetrathiafulvalene derivative, and the tetrathiafulvalene derivative has a chain-forming substituent at positions 4,4? and 5,5? of a tetrathiafulvalene skeleton thereof.

Abstract: A negative electrode active material layer containing at least one selected from silicon and a silicon compound as a negative electrode active material is formed, and an amount of lithium exceeding an amount corresponding to a theoretical capacity of the negative electrode active material layer is brought into contact with the negative electrode active material layer so as to prepare a negative electrode. A positive electrode containing a lithium-absorption material capable of irreversibly absorbing lithium is prepared. The positive electrode, the negative electrode, a separator, and a nonaqueous electrolyte are enclosed inside an outer enclosure. A chemical conversion treatment of the negative electrode active material is performed with the lithium brought into contact with the negative electrode active material layer.

Abstract: An electronic device that increases both visibility and selectability of executable programs. The electronic device includes a touch panel display having an elongated shape, a memory storing programs, and a processor controlling program execution and the display. The touch panel includes a first display region and a second display region contiguous with and narrower than the first display region. The display displays an execution image of a first program in the first display region and an icon image of a second program in the second display region in a smaller display area than the execution image. When the processor detects contact at the icon image and detects that the contact moves towards the first display region, the processor causes the display to display an execution image of the second program in the first display region.

Abstract: An electronic device that increases both visual perceptibility and selectability of executable programs. A display is a display with an elongated shape whose display surface includes a first region and a second region aligned in a longitudinal direction. In the first region, only an image that corresponds to a program that is specified as the main program is displayed. In the second region, images that correspond to sub-programs are displayed to be lined up in the longitudinal direction. The image includes an execution image of the program that is specified as the main program.

Abstract: A sodium secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolytic solution including a non-aqueous solvent. The non-aqueous solvent includes a fluoro group-containing chain carboxylic acid ester represented by General Formula (1): wherein R1 is an aromatic group, an unsaturated aliphatic group or a saturated aliphatic group; R2, R3 and R4 are each a hydrogen atom, an aromatic group, an unsaturated aliphatic group or a saturated aliphatic group; and at least one of R1, R2, R3 and R4 includes one or more fluoro groups.

Abstract: The present invention provides an electrode active material for an electricity storage device, having a structure represented by following formula (1). In the formula (1), R1 to R6 each denote independently a hydrogen atom (except for a case where all of R1 to R6 denote hydrogen atoms), a halogen atom, an optionally substituted phenyl group, an optionally substituted heterocyclic group, or an optionally substituted hydrocarbon group having 1 to 4 carbon atoms.

Abstract: An electronic device that increases both visibility and selectability of executable programs. The electronic device includes a touch panel display having an elongated shape, a memory storing programs, and a processor controlling program execution and the display. The touch panel includes a first display region and a second display region contiguous with and narrower than the first display region. The display displays an execution image of a first program in the first display region and an icon image of a second program in the second display region in a smaller display area than the execution image. When the processor detects contact at the icon image and detects that the contact moves towards the first display region, the processor causes the display to display an execution image of the second program in the first display region.

Abstract: A wearable electronic device according to the present disclosure includes a first belt, front surface of the first belt being provided with a displaying unit having a curved display face; a second belt; a hinge that connects a first end of the first belt to a first end of the second belt. A shape of a space formed by the first and second belts is an elliptical shape when the device worn around a subject is viewed from a side. The hinge has higher flexibility than the first and second belts. The device has a first engagement unit provided at a second end and a rear surface of the first belt, and in a region where the elliptical shape has smaller curvature than other regions. The device has a second engagement unit provided at an outer side of the second belt and engaging with the first engagement unit.

Abstract: An electrode active material for an electricity storage device disclosed in this application includes a heteroaromatic compound including two or more carbonyl groups and containing two or more nitrogen atoms, and carbon atoms of the two or more carbonyl groups and the two or more nitrogen atoms are included in a framework of the heteroaromatic compound.