The present invention relates to a photo-charging energy storage device, and has been made in an effort to provide a photo-charging energy storage device which is capable of self-charging by combining a solar cell and a supercapacitor and used as a power source of an IoTs sensor.

The resulting photo-charging energy storage device according to the present invention includes: a solar cell; a conductive connector electrically connected to the solar cell, and combined with the solar cell; and a supercapacitor combined with the conductive connector, and charged with the solar cell via an electrical connection with the solar cell through the conductive connector.

The present invention relates to a photo-charging energy storage device, and has been made in an effort to provide a photo-charging energy storage device which is capable of self-charging by combining a solar cell and a supercapacitor and used as a power source of an IoTs sensor.

The resulting photo-charging energy storage device according to the present invention includes: a solar cell; a conductive connector electrically connected to the solar cell, and combined with the solar cell; and a supercapacitor combined with the conductive connector, and charged with the solar cell via an electrical connection with the solar cell through the conductive connector.

A metal electrode structure for a solar battery and a battery assembly are provided. The structure of the metal electrode for the solar battery includes multiple main grid lines provided parallel to one another and multiple fine grid lines perpendicular to the main grid lines. Spacing between adjacent two main grid lines is defined as L, and a distance between two end points of each fine grid line is less than L. And connecting ends of adjacent two fine grid lines of the multiple fine grid lines between adjacent two main grid lines are connected to different main grid lines of the adjacent two main grid lines.

A metal electrode structure for a solar battery and a battery assembly are provided. The structure of the metal electrode for the solar battery includes multiple main grid lines provided parallel to one another and multiple fine grid lines perpendicular to the main grid lines. Spacing between adjacent two main grid lines is defined as L, and a distance between two end points of each fine grid line is less than L. And connecting ends of adjacent two fine grid lines of the multiple fine grid lines between adjacent two main grid lines are connected to different main grid lines of the adjacent two main grid lines.

An energy harvesting imaging sensor includes an array of pixel structures each formed from a semiconductor having a photodiode overlying a photovoltaic diode. The photodiode and photovoltaic diode are implemented as a vertically stacked P+/N.sub.WELL/P.sub.SUB junction. This structure enables simultaneous imaging and energy harvesting by generating charge in the photodiode that is indicative of light impinging on the photodiode and simultaneously generating charge from the light in the photovoltaic diode located underneath the photodiode.

An energy harvesting imaging sensor includes an array of pixel structures each formed from a semiconductor having a photodiode overlying a photovoltaic diode. The photodiode and photovoltaic diode are implemented as a vertically stacked P+/N.sub.WELL/P.sub.SUB junction. This structure enables simultaneous imaging and energy harvesting by generating charge in the photodiode that is indicative of light impinging on the photodiode and simultaneously generating charge from the light in the photovoltaic diode located underneath the photodiode.

A redox flow battery includes positive and negative electrodes respectfully located in half-cells separated by a porous silicon wafer separator formed by MEMS Technology. The first half cell and the second half cell each preferably include a plurality of dividers or barriers configured to create flow channels which introduce turbulence insuring the electrolytes are changing or mixing at surfaces of the electrodes and the membrane. Also disclosed is a solar energy generation and storage system which includes a photovoltaic cell and an electrochemical energy storage battery which share a common electrode. Also disclosed is a membrane-less redox flow electrical energy storage battery, having a cathode electrode; an anode electrode formed of a porous silicon substrate in which surfaces of the pores of the porous silicon substrate are coated at least in part with a metal silicide; and, an electrolyte.

A redox flow battery includes positive and negative electrodes respectfully located in half-cells separated by a porous silicon wafer separator formed by MEMS Technology. The first half cell and the second half cell each preferably include a plurality of dividers or barriers configured to create flow channels which introduce turbulence insuring the electrolytes are changing or mixing at surfaces of the electrodes and the membrane. Also disclosed is a solar energy generation and storage system which includes a photovoltaic cell and an electrochemical energy storage battery which share a common electrode. Also disclosed is a membrane-less redox flow electrical energy storage battery, having a cathode electrode; an anode electrode formed of a porous silicon substrate in which surfaces of the pores of the porous silicon substrate are coated at least in part with a metal silicide; and, an electrolyte.

The present invention relates to an optoelectronic device comprising a substrate having a first and a second substantially planar face, a series of grooves in the first substantially planar face, and a first and a second electrical conductor on the second substantially planar face; wherein a first face of the first electrical conductor and a first face of the second electrical conductor are reflective.

The present invention relates to an optoelectronic device comprising a substrate having a first and a second substantially planar face, a series of grooves in the first substantially planar face, and a first and a second electrical conductor on the second substantially planar face; wherein a first face of the first electrical conductor and a first face of the second electrical conductor are reflective.