Abstract: An alkaline dry battery, including: a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an alkaline electrolyte. The positive electrode includes a manganese dioxide, the negative electrode includes zinc and/or a zinc alloy, and the alkaline electrolyte includes at least one sulfonyl group-containing anion selected from the group consisting of a bis(perfluoroalkylsulfonyl)imide anion, a bis(fluorosulfonyl)imide anion, and a fluorosulfonate anion.

Abstract: A toner container includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. The shutter is attached to the cover and includes a main shutter covering the toner discharge port. The main shutter moves between a closed position to close the toner discharge port and an open position to open the toner discharge port. The protrusions are on both sides of the cover and protrude in a direction orthogonal to a toner container mounting direction. The identifier is on the cover to indicate a toner color. The cylindrical structure's leading end is downstream of leading ends of the protrusions in the mounting direction. The main shutter's leading end is downstream of the protrusions' leading ends in the mounting direction when the main shutter is in the closed position. The protrusions are downstream of the identifier in the mounting direction.

Abstract: An alkaline dry battery includes a bottomed cylindrical case, a hollow cylindrical positive electrode that is in contact with the case from inside, a negative electrode filled in a hollow portion of the positive electrode, and including a negative electrode active material including zinc, a separator disposed between the positive electrode and the negative electrode, an alkaline electrolyte included in the positive electrode, the negative electrode, and the separator, and a sealing unit covering an opening of the case, wherein an additive is charged in a gap between the negative electrode and the sealing unit, and/or a gap between the negative electrode and a bottom portion of the case, and the additive includes an organic acid having a melting point of 90° C. or more.

Abstract: A toner container includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. The shutter is attached to the cover and includes a main shutter covering the toner discharge port. The main shutter moves between a closed position to close the toner discharge port and an open position to open the toner discharge port. The protrusions are on both sides of the cover and protrude in a direction orthogonal to a toner container mounting direction. The identifier is on the cover to indicate a toner color. The cylindrical structure's leading end is downstream of leading ends of the protrusions in the mounting direction. The main shutter's leading end is downstream of the protrusions' leading ends in the mounting direction when the main shutter is in the closed position. The protrusions are downstream of the identifier in the mounting direction.

Abstract: A hydrogen supply apparatus includes: an air path having an inlet and an outlet; a fan that is disposed in the air path and produces a flow of air from the inlet to the outlet; a first pipe having an end that forms a first supply port through which to supply hydrogen gas to the air path; a flow control device that is attached to the first pipe and adjusts a flow rate of the hydrogen gas; and a hydrogen gas sensor, disposed downstream of the fan or the end in a direction of flow of the air that detects a concentration of the hydrogen gas in the air path, where the end is disposed between the fan and the outlet or between the fan and the inlet in the air path.

Abstract: With conventional art, it has been impossible to communicate the results of inspections of expense applications to the applicants. With an expense management device that includes: an expense acceptance unit that accepts expense information that specifies details of an application for an expense; an inspection result acquisition unit that acquires an inspection result that is a result of an inspection of improperness regarding the expense information accepted by the expense acceptance unit; a first judging unit that judges whether or not the inspection result acquired by the inspection result acquisition unit satisfies a predetermined first condition; and a contact processing unit that performs contact processing to provide the inspection result to an applicant of the expense information when the judging unit judges that the first condition is satisfied, it is possible to inform an applicant with an inspection result regarding an inspection of an expense application.

Abstract: An alkaline dry battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an alkaline electrolytic solution contained in the positive electrode, the negative electrode and the separator. The negative electrode includes a negative electrode active material including zinc, and an additive. The additive includes at least one selected from the group consisting of maleic acid, maleic anhydride and maleate salts.

Abstract: An alkaline dry battery including: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte retained in the positive electrode, the negative electrode, and the separator. The negative electrode includes a negative electrode active material containing zinc, and an additive. The additive includes an aromatic carboxylic acid and tin powder.

Abstract: An alkaline dry battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte, and the negative electrode includes a negative electrode active material containing zinc, a compound A having a P—O bond, and terephthalic acid. The molar ratio of the compound A to the terephthalic acid is 0.025 or more and 2.5 or less.

Abstract: An alkaline dry battery includes a battery case, a hollow cylindrical positive electrode accommodated in the battery case, a negative electrode disposed in the hollow portion of the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolytic solution contained in the positive electrode, the negative electrode and the separator. The alkaline dry battery further includes a layer principally including a compound containing a polyoxyethylene group between the positive electrode and the inner surface of the battery case.

Abstract: A toner container includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. The shutter is attached to the cover and includes a main shutter covering the toner discharge port. The main shutter moves between a closed position to close the toner discharge port and an open position to open the toner discharge port. The protrusions are on both sides of the cover and protrude in a direction orthogonal to a toner container mounting direction. The identifier is on the cover to indicate a toner color. The cylindrical structure's leading end is downstream of leading ends of the protrusions in the mounting direction. The main shutter's leading end is downstream of the protrusions' leading ends in the mounting direction when the main shutter is in the closed position. The protrusions are downstream of the identifier in the mounting direction.

Abstract: A toner container includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. The shutter is attached to the cover and includes a main shutter covering the toner discharge port. The main shutter moves between a closed position to close the toner discharge port and an open position to open the toner discharge port. The protrusions are on both sides of the cover and protrude in a direction orthogonal to a toner container mounting direction. The identifier is on the cover to indicate a toner color. The cylindrical structure's leading end is downstream of leading ends of the protrusions in the mounting direction. The main shutter's leading end is downstream of the protrusions' leading ends in the mounting direction when the main shutter is in the closed position. The protrusions are downstream of the identifier in the mounting direction.

Abstract: An alkaline dry battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an alkaline electrolytic solution contained in the positive electrode, the negative electrode and the separator. The negative electrode includes a negative electrode active material including zinc, and an additive. The additive includes at least one selected from the group consisting of maleic acid, maleic anhydride and maleate salts.

Abstract: An alkaline dry battery including: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte retained in the positive electrode, the negative electrode, and the separator. The negative electrode includes a negative electrode active material containing zinc, and an additive. The additive includes a sulfur-containing cyclic compound.

Abstract: An alkaline dry battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an alkaline electrolytic solution contained in the positive electrode, the negative electrode and the separator. The negative electrode includes a negative electrode active material including zinc, and an additive. The additive includes at least one selected from the group consisting of maleic acid, maleic anhydride and maleate salts.

Abstract: An electric power supply system includes: a hydrogen production device producing hydrogen using electric power supplied from a natural-energy power generator; a hydrogen storage device storing the produced hydrogen; a fuel cell system generating electricity using the stored hydrogen to supply the generated electric power to a load; an electric power accumulator accumulating electric power supplied from the natural-energy power generator, to supply the accumulated power to the load; and a control device controls supply of electric power from the fuel cell system and the electric power accumulator to the load. The control device executes a first control for supplying electric power to the load from each of the electric power accumulator and the fuel cell system in a time zone in which demanded power of the load is smaller than electric power dischargeable from the electric power accumulator.

Abstract: An alkaline dry battery, including: a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an alkaline electrolyte. The positive electrode includes a manganese dioxide, the negative electrode includes zinc and/or a zinc alloy, and the alkaline electrolyte includes at least one sulfonyl group-containing anion selected from the group consisting of a bis(perfluoroalkylsulfonyl)imide anion, a bis(fluorosulfonyl)imide anion, and a fluorosulfonate anion.

Abstract: A toner container includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. The shutter is attached to the cover and includes a main shutter covering the toner discharge port. The main shutter moves between a closed position to close the toner discharge port and an open position to open the toner discharge port. The protrusions are on both sides of the cover and protrude in a direction orthogonal to a toner container mounting direction. The identifier is on the cover to indicate a toner color. The cylindrical structure's leading end is downstream of leading ends of the protrusions in the mounting direction. The main shutter's leading end is downstream of the protrusions' leading ends in the mounting direction when the main shutter is in the closed position. The protrusions are downstream of the identifier in the mounting direction.

Abstract: An alkaline dry cell includes a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an electrolytic solution contained in the positive electrode, the negative electrode, and the separator, wherein the electrolytic solution contains an alkaline aqueous solution. The negative electrode contains an additive and a negative electrode active material containing zinc; and the additive contains at least one selected from the group consisting of benzoic acid, phthalic acid, isophthalic acid, and salts of the foregoing. The amount of the negative electrode active material contained in the negative electrode is from 176 to 221 parts by mass relative to 100 parts by mass of water contained in the electrolytic solution. The amount of the additive contained in the negative electrode is from 0.1 to 1.0 part by mass relative to 100 parts by mass of the negative electrode active material.

Abstract: A toner container includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. The shutter is attached to the cover and includes a main shutter covering the toner discharge port. The main shutter moves between a closed position to close the toner discharge port and an open position to open the toner discharge port. The protrusions are on both sides of the cover and protrude in a direction orthogonal to a toner container mounting direction. The identifier is on the cover to indicate a toner color. The cylindrical structure's leading end is downstream of leading ends of the protrusions in the mounting direction. The main shutter's leading end is downstream of the protrusions' leading ends in the mounting direction when the main shutter is in the closed position. The protrusions are downstream of the identifier in the mounting direction.