Abstract: An electrical energy generating element includes a first porous electrode, an eggshell membrane, and a second porous electrode. The first porous electrode, the eggshell membrane, and the second porous electrode are stacked on each other in that order. The present application also relates to an electrical energy generating device, a method for generating electrical energy, and a decorative ring.

Abstract: A method for making an electrical energy generating element includes providing a first porous electrode, a second porous electrode, and an eggshell membrane. The first porous electrode, the eggshell membrane, and the second porous electrode are stacked on each other in that order. The present application also relates to an electrical energy generating device and a decorative ring.

Abstract: An energy storage device is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, a metal electrode, and a separator. The supercapacitor first electrode, the supercapacitor second electrode, and the first electrolyte together form a supercapacitor. The metal electrode and the supercapacitor second electrode form an Ohmic contact. The separator is sandwiched between the metal electrode and the supercapacitor first electrode and configured to absorb moisture in a surrounding environment.

Abstract: A far infrared imaging system includes a first far infrared polarized light generator, a second far infrared polarized light generator, a first receiving device, a second receiving device, and a computer. The first far infrared polarized light generator emits a first far infrared polarized light, and the second far infrared polarized light generator emits a second far infrared polarized light. The first receiving device receives a first far infrared reflected polarized light, and the second receiving device receives a second far infrared reflected polarized light. The computer processes information received by the first receiver and the second receiver. The polarizer of the first far infrared polarized light generator and the second far infrared polarized light generator includes a carbon nanotube structure including a plurality of carbon nanotubes arranged substantially along the same direction.

Abstract: The disclosure relates to a self-charging device for energy harvesting and storage. The self-charging device for energy harvesting and storage includes a first electrode, a second electrode spaced from the first electrode, a solid electrolyte bridging the first electrode and the second electrode, and a water absorbing structure. The water absorbing structure is located on the second electrode, absorbs water from external environment and transmits the absorbed water to the solid electrolyte.

Abstract: A self-charging supercapacitor is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, and a metal electrode. The supercapacitor first electrode and the supercapacitor second electrode are parallel to and spaced apart front each other. The metal electrode and the supereapacitor second electrode form an Ohmic contact, the metal electrode is spaced apart from and opposite to the supercapacitor first electrode.

Abstract: A self-charging supercapacitor is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, and a metal electrode. The supercapacitor first electrode and the supercapacitor second electrode are parallel to and spaced apart from each other. A part of the metal electrode is Ohmic contacted with a surface of the supercapacitor second electrode, and another part of the metal electrode is disposed opposite to the supercapacitor first electrode.

Abstract: A method for charging self-charging supercapacitor includes: providing a self-charging supercapacitor which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, and a metal electrode; the metal electrode and the supercapacitor second electrode form an Ohmic contact, the metal electrode is spaced apart from and opposite to the supercapacitor first electrode. Electrically connecting the metal electrode and the supercapacitor first electrode with a second electrolyte.

Abstract: A cloth includes a cloth body, a carbon nanotube structure, and multiple calcium chloride particles. The cloth body and the carbon nanotube structure are stacked on each other, the carbon nanotube structure includes multiple carbon nanotubes, and the carbon nanotube structure is a free-standing structure. The multiple calcium chloride particles are located on the multiple carbon nanotubes. The present application is also related to a piece of clothes made of the cloth and a mouth mask made of the cloth.

Abstract: The disclosure relates to a method for using fuel cell. The fuel cell includes a container, wherein the container comprises a housing and a nozzle, and the housing defines through holes; the housing defines a chamber and an opening; the nozzle has a first end in air/fluid communication with the opening and a second end; and a membrane electrode assembly, which is flexible, on the container to form a curved membrane electrode assembly surrounding the chamber and covering the through holes, wherein the membrane electrode assembly comprises a proton exchange membrane having a first surface and a second surface, a cathode electrode on the first surface and an anode electrode on the second surface. The method includes at least partially immersing the fuel cell in a fuel; and supplying an oxidizing gas into the chamber.

Abstract: A method for making photocapacitor is provided. The method includes: preparing a perovskite solar cell, preparing a first supercapacitor electrode, deposing the first supercapacitor electrode onto the perovskite solar cell, dissolving a portion of a cell packaging structure and a first material, and preparing a second supercapacitor electrode opposite to the first supercapacitor electrode.

Abstract: A heat sink includes a carbon nanotube structure and multiple calcium chloride particles. The carbon nanotube structure includes multiple carbon nanotubes, and the carbon nanotube structure is a free-standing structure. The multiple calcium chloride particles are located on the multiple carbon nanotubes. The present application is also related to an electronic device including the heat sink.

Abstract: An camera, the camera including: an photosensitive device and an image processor, wherein the photosensitive device includes a plurality of photosensitive units, a measuring device and a data processor; the plurality of photosensitive units are distributed in an array, wherein each photosensitive unit is configured to receive and convert light signal to form a temperature difference or a potential difference; the measuring device is configured to measure the temperature difference or the potential difference; a data processor is configured to analyze and calculate the potential difference or the temperature difference.

Abstract: A generator and a method for generating far infrared polarized light are related. The generator includes a far infrared light source configured to emit a far infrared light; a polarizer located on a light emitting surface of the far infrared light source, wherein the polarizer includes a carbon nanotube structure including a plurality of carbon nanotubes arranged substantially along the same direction, and the far infrared light passes through the polarizer to form a far infrared polarized light; and a heater configured to heat the carbon nanotube structure. The method includes allowing the far infrared to pass through the carbon nanotube structure and heating the carbon nanotube structure as the far infrared passes through the carbon nanotube structure.

Abstract: A far infrared imaging system includes a first far infrared polarized light generator, a second far infrared polarized light generator, a first receiving device, a second receiving device, and a computer. The first far infrared polarized light generator emits a first far infrared polarized light, and the second far infrared polarized light generator emits a second far infrared polarized light. The first receiving device receives a first far infrared reflected polarized light, and the second receiving device receives a second far infrared reflected polarized light. The computer processes information received by the first receiver and the second receiver. The polarizer of the first far infrared polarized light generator and the second far infrared polarized light generator includes a carbon nanotube structure including a plurality of carbon nanotubes arranged substantially along the same direction.

Abstract: A thermal transistor is provided. The thermal transistor includes a metallic thermal conductor, a non-metallic thermal conductor, and a thermal resistance adjusting unit. The metallic thermal conductor and the non-metallic thermal conductor are contact with each other to form a thermal interface. The thermal resistance adjusting unit is configured to generate an electric field at the thermal interface.

Abstract: A thermal transistor is provided. The thermal transistor includes a metallic thermal conductor, a non-metallic thermal conductor, and a thermal resistance adjusting unit. The metallic thermal conductor and the non-metallic thermal conductor are contact with each other to form a thermal interface. The thermal resistance adjusting unit is configured to generate an bias voltage U12 between the metallic thermal conductor and the non-metallic thermal conductor.

Abstract: A method for controlling interfacial thermal resistance is provided. The method includes: providing a metallic thermal conductor and a non-metallic thermal conductor, the metallic thermal conductor and the non-metallic thermal conductor are in direct contact with each other to form an interface; and varying an electric field at the interface to modulate the interfacial thermal resistance at the interface.

Abstract: A method for making a touch panel, the method includes the following steps. Two touch panel units are made. The two touch panel units are spaced apart from each other. Making each of the two touch panel units includes the following steps. A carbon nanotube material and a substrate are provided. A carbon nanotube floccule structure is made by flocculating the carbon nanotube material. A conductive layer on the substrate is obtained by applying the carbon nanotube floccule structure on the substrate. Two electrodes on opposite ends of the substrate formed to obtain an electrode plate.

Abstract: An camera, the camera including: an photosensitive device and an image processor, wherein the photosensitive device includes a plurality of photosensitive units, a measuring device and a data processor; the plurality of photosensitive units are distributed in an array, wherein each photosensitive unit is configured to receive and convert light signal to form a temperature difference or a potential difference; the measuring device is configured to measure the temperature difference or the potential difference; a data processor is configured to analyze and calculate the potential difference or the temperature difference.