Abstract: Provided are an arrangement information acquisition unit that acquires arrangement information indicating a position where a charging device for charging one or more storage batteries is arranged, a user position acquisition unit that acquires user position information indicating a position of the user, a charge state acquisition unit that acquires information indicating a charge state of at least one of the one or more storage batteries at specific time, and a state information generation unit that generates information to which (i) a charge state at the specific time and (ii) a charge state at an estimated time of arrival of the user at the charging device are associated for at least one of the one or more storage batteries, in accordance with (i) the arrangement information acquired by the arrangement information acquisition unit and (ii) the user position information acquired by the user position acquisition unit.

Abstract: Provided are an abnormality detection unit that detects abnormality or stop of at least one of a plurality of storage battery housing devices, a storage device extraction unit that extracts, when the abnormality detection unit detects the abnormality or the stop, one or more storage battery housing devices related to the storage battery housing device in which the abnormality or the stop is detected from among the plurality of storage battery housing devices, and an adjustment unit that determines adjustment of utilization rate of at least one of the one or more storage battery housing devices extracted by the storage device extraction unit.

Abstract: Provided are a deterioration information acquisition unit that acquires deterioration information indicating a deterioration state of each of a plurality of storage batteries, a temperature condition determination unit that determines a temperature condition allowable at the start of charging or during charging for each of the plurality of storage batteries in accordance with the deterioration information acquired by the deterioration information acquisition unit, a temperature information acquisition unit that acquires temperature information indicating the temperature of each of the plurality of storage batteries, and a charge target extraction unit that extracts a storage battery to be charged from the storage batteries among the plurality of storage batteries in which the temperature indicated by the temperature information acquired by the temperature information acquisition unit satisfies the temperature condition determined by the temperature condition determination unit.

Abstract: A housing device is provided which houses a storage battery having a first connector. The housing device may include a storage battery holding part which holds a storage battery and a drive part which (i) moves a second connector that is to be connected to the first connector of the storage battery toward the first connector and/or (ii) moves a second connector that has been connected to the first connector of the storage battery in a direction away from the first connector.

Abstract: A housing device includes a first housing part and a second housing part arranged at different heights, each housing part to house a storage battery, and a first guide and a second guide to assist insertion of the storage battery into a respective one of the first housing part and the second housing part. The first guide and the second guide assist the insertion of the storage batteries in different respective manners.

Abstract: Provided are an abnormality detection unit that detects abnormality or stop of at least one of a plurality of storage battery housing devices, a storage device extraction unit that extracts, when the abnormality detection unit detects the abnormality or the stop, one or more storage battery housing devices related to the storage battery housing device in which the abnormality or the stop is detected from among the plurality of storage battery housing devices, and an adjustment unit that determines adjustment of utilization rate of at least one of the one or more storage battery housing devices extracted by the storage device extraction unit.

Abstract: Provided are a deterioration information acquisition unit that acquires deterioration information indicating a deterioration state of each of a plurality of storage batteries, a temperature condition determination unit that determines a temperature condition allowable at the start of charging or during charging for each of the plurality of storage batteries in accordance with the deterioration information acquired by the deterioration information acquisition unit, a temperature information acquisition unit that acquires temperature information indicating the temperature of each of the plurality of storage batteries, and a charge target extraction unit that extracts a storage battery to be charged from the storage batteries among the plurality of storage batteries in which the temperature indicated by the temperature information acquired by the temperature information acquisition unit satisfies the temperature condition determined by the temperature condition determination unit.

Abstract: Provided are an arrangement information acquisition unit that acquires arrangement information indicating a position where a charging device for charging one or more storage batteries is arranged, a user position acquisition unit that acquires user position information indicating a position of the user, a charge state acquisition unit that acquires information indicating a charge state of at least one of the one or more storage batteries at specific time, and a state information generation unit that generates information to which (i) a charge state at the specific time and (ii) a charge state at an estimated time of arrival of the user at the charging device are associated for at least one of the one or more storage batteries, in accordance with (i) the arrangement information acquired by the arrangement information acquisition unit and (ii) the user position information acquired by the user position acquisition unit.

Abstract: A housing device includes a first housing part and a second housing part arranged at different heights, each housing part to house a storage battery, and a first guide and a second guide to assist insertion of the storage battery into a respective one of the first housing part and the second housing part. The first guide and the second guide assist the insertion of the storage batteries in different respective manners.

Abstract: A housing device is provided which houses a storage battery having a first connector. The housing device may include a storage battery holding part which holds a storage battery and a drive part which (i) moves a second connector that is to be connected to the first connector of the storage battery toward the first connector and/or (ii) moves a second connector that has been connected to the first connector of the storage battery in a direction away from the first connector.

Abstract: A fuel cell includes electrolyte electrode assemblies and a pair of separators sandwiching the electrolyte electrode assemblies. The separator includes a plurality of circular disks, and a plurality of protrusions forming a fuel gas channel for supplying a fuel gas along an electrode surface of an anode are provided on a surface of each of the circular disks. Further, a deformable electrically conductive mesh member is provided on a surface of the circular disk. The deformable elastically conductive mesh member forms an oxygen-containing gas channel for supplying an oxygen-containing gas along a cathode, and tightly contacts the cathode.