A quantum battery manufacturing method includes: providing a p-type semiconductor substrate including a first conductive substrate and a p-type semiconductor layer disposed on one surface of the first conductive substrate; providing an n-type semiconductor substrate including a second conductive substrate and an n-type semiconductor layer disposed on one surface of the second conductive substrate; and forming an electricity storage layer between the p-type semiconductor substrate and the n-type semiconductor substrate, and attaching two sides of the electricity storage layer respectively to the p-type semiconductor layer and the n-type semiconductor layer to form a quantum battery. The electricity storage layer is formed by heating a thermoplastic polymer to soften and become a liquid, mixing the liquid with energized core-shell particles, and coating a substrate with the mixture. Core-shell particles are disposed on a conductive substrate and irradiated with ultraviolet rays for energization.

An electrochemical direct heat to electricity converter includes a primary thermal energy source; a working fluid; an electrochemical cell comprising at least one membrane electrode assembly including a first porous electrode, a second porous electrode and at least one membrane, wherein the at least one membrane is sandwiched between the first and second porous electrodes and is a conductor of ions of the working fluid; an energy storage reservoir; and an external load. The electrochemical cell operates on heat to produce electricity. When thermal energy available from the primary thermal energy source is greater than necessary to meet demands of the external load, excess energy is stored in the energy storage reservoir, and when the thermal energy available from the primary thermal energy source is insufficient to meet the demands of the external load, at least a portion of the excess energy stored in the energy storage reservoir is used to supply power to the external load.

The invention provides reversible bio sensitized photoelectric conversion and H.sub.2 to electricity conversion devices which use one or more of a proton pumping photoactive biological layers to generate a proton gradient that is harnessed to produce electrical energy. It is also provided a photoelectric conversion element that incorporates the device of the present invention.

A radiation-assisted (typically solar-assisted) electrolyzer cell and panel for high-efficiency hydrogen production comprises a photoelectrode and electrode pair, with said photoelectrode comprising either a photoanode electrically coupled to a cathode shared with an anode, or a photocathode electrically coupled to an anode shared with a cathode; electrolyte; gas separators; all within a container divided into two chambers by said shared cathode or shared anode, and at least a portion of which is transparent to the electromagnetic radiation required by said photoanode (or photocathode) to apply photovoltage to a shared cathode (or anode) that increases the electrolysis current and hydrogen production.

The present disclosure relates to nanocomposites of CuO/Cu.sub.2O and continuous flow solar reactors. The nanocomposites can be utilized as a photocatalyst and can be incorporated into photoelectrochemical devices. The described devices, systems, and methods can be used for converting CO.sub.2 into one or more alcohols and other small organics with the use of solar energy and electricity. Other embodiments are described.

A photoelectrochemical secondary cell comprising a photocatalytic anode, or photoanode; an anode; a cathode comprising a metal hydride; electrolyte; separator; and case at least a portion of which is transparent to the electromagnetic radiation required by said photoanode to charge said photoelectrochemical secondary cell.

A radiation-assisted (typically solar-assisted)electrolyzer cell and panel for high-efficiency hydrogen production comprises a photoelectrode and electrode pair, with said photoelectrode comprising either a photoanode electrically coupled to a cathode shared with an anode, or a photocathode electrically coupled to an anode shared with a cathode; electrolyte; gas separators; all within a container divided into two chambers by said shared cathode or shared anode, and at least a portion of which is transparent to the electromagnetic radiation required by said photoanode (or photocathode) to apply photovoltage to a shared cathode (or anode) that increases the electrolysis current and hydrogen production.

A photo rechargeable electrochemical energy storage device, a power generation device, and a method for fabricating the photo rechargeable electrochemical energy storage device in a mostly unrestricted atmospheric environment are disclosed. The power generation device including a rechargeable electrochemical energy storage device including a photoanode arranged beneath a transparent electrode, the photoanode comprising an oxide of titanium; and a micro-power conversion controller configured to control delivery of power under load, and recharge the rechargeable electrochemical energy storage device when not under rated load and when the transparent electrode is exposed to sufficient light and/or grid power is available.

The present invention relates to an electrochemical device, comprising a negative electrode comprising a nitrogen-containing electron storage material, a positive electrode, and an electrolyte, wherein the nitrogen-containing electron storage material has a two-dimensional or a three-dimensional covalent structure, contains heptazine and/or triazine moieties, and is capable of intercalating and de-intercalating cations. The present invention is further directed to a uses the material, a photorechargeable battery, an autophotorechargeable battery, a redox-flow-battery, a method for harvesting light and storing electrical energy, a method for detecting and removing oxygen, and a method for detecting light.

The present invention relates to a photocatalytic power generation apparatus depending on an ambient humidity difference. The power generation apparatus comprises a photocatalytic power generation unit driven by a humidity difference, a power storage assembly and a sunlight collection and emission assembly. The photocatalytic power generation unit driven by the humidity difference comprises an anode gas channel, a screen type photoelectric anode material, a moisture-permeable proton exchange membrane, a screen type cathode material and a cathode gas channel in sequence from one side to the other side. The photocatalytic power generation unit of the apparatus converts gas humidity difference potential energy in the anode and cathode gas channels into electric energy by a photocatalytic electrochemical reaction under an illumination condition and stores the converted electric energy into the power storage assembly.