An object is to provide a system that can provide a stable power supply without being influenced by a time of day and weather conditions, and that is also superior in terms of power generation compared to conventional independent power supply type devices.

A system comprising a first conductive part, a second conductive part, a medium, and a functional part, wherein the first conductive part and the functional part are connected, the second conductive part and the functional part are connected, at least a part of the first conductive part is in contact with the medium, at least a part of the second conductive part is in contact with the medium, and the first conductive part and the second conductive part are not in contact with each other.

An apparatus comprises an anode formed of graphene oxide from an acidic pH; a cathode from a pH greater than the acidic pH of the anode; and charge collectors deposited on the anode and the cathode. The anode comprises graphene oxide, the graphene oxide comprising an ink and having a pH of about 1 to about 4.

An apparatus comprises an anode formed of graphene oxide from an acidic pH; a cathode from a pH greater than the acidic pH of the anode; and charge collectors deposited on the anode and the cathode. The anode comprises graphene oxide, the graphene oxide comprising an ink and having a pH of about 1 to about 4.

The present invention provides a metal-acid-hydrogen energy battery which comprises an electrolyte chamber and an acid storage container, wherein an electrolyte port and a hydrogen collection port are formed in the electrolyte chamber, a metal anode and a cathode are oppositely inserted into the electrolyte chamber, the electrolyte chamber communicates with the acid storage container through an acid adding pipeline, and a valve is formed in the acid adding pipeline. The metal-acid-hydrogen energy battery has a wide application range and can be used as a power supply of transportation tools such as airplanes, automobiles, electric motorcycles, various unmanned aerial vehicles, ships and submarines.

An apparatus and method of providing an apparatus, the apparatus comprising: an electrode comprising metal; an anode comprising a composite of halide salt and conductive carbon based material wherein the anode is deposited on the electrode; a cathode comprising metal; and a solid electrolyte provided between the cathode and the anode.

An apparatus and method of providing an apparatus, the apparatus comprising: an electrode comprising metal; an anode comprising a composite of halide salt and conductive carbon based material wherein the anode is deposited on the electrode; a cathode comprising metal; and a solid electrolyte provided between the cathode and the anode.

A liquid powered device, including a housing assembly configured to be worn on the wrist of a user. The housing assembly includes a front portion and a back portion. A liquid tank assembly is secured within the housing assembly. The liquid tank assembly has a fluid inlet. A power assembly is secured within the liquid tank assembly. An electronic module assembly is secured within the liquid tank assembly. The power assembly is in fluid communication with the fluid inlet to provide filling of the power assembly. The power assembly and the electronic module assembly are each separately liquid sealed. A pressure relief assembly is positioned within the liquid tank assembly for relief of undesired pressure therein.

A liquid powered device, including a housing assembly configured to be worn on the wrist of a user. The housing assembly includes a front portion and a back portion. A liquid tank assembly is secured within the housing assembly. The liquid tank assembly has a fluid inlet. A power assembly is secured within the liquid tank assembly. An electronic module assembly is secured within the liquid tank assembly. The power assembly is in fluid communication with the fluid inlet to provide filling of the power assembly. The power assembly and the electronic module assembly are each separately liquid sealed. A pressure relief assembly is positioned within the liquid tank assembly for relief of undesired pressure therein.

An apparatus and method of providing an apparatus, the apparatus comprising: an electrode comprising metal; an anode comprising a composite of halide salt and conductive carbon based material wherein the anode is deposited on the electrode; a cathode comprising metal; and a solid electrolyte provided between the cathode and the anode.