An energy storage apparatus includes an energy storage device, a sensor mounted on the energy storage device, a holding member disposed on the energy storage device and holding the sensor in a state where a detection surface of the sensor is exposed toward the energy storage device and an outer case accommodating the energy storage device, the sensor, and the holding member.

A capacitor assembly including at least one capacitor each having a first end and a second end spaced apart in a longitudinal direction, and a first terminal and a second terminal located at the first end of the capacitor, the first end being provided with a first surface, and the second end being provided with a second surface; a heat sink having a first cooling surface; and a connection system connecting the at least one capacitor heat conductively to the heat sink such that the second surface of each of the at least one capacitor is in heat conductive connection with the first cooling surface. The connection system is to in contact with the first surface of each of the at least one capacitor.

The invention is related to an improved capacitor and an improved process for forming a capacitor. The process comprises forming an anode comprising a dielectric on the anode. A cathode layer is then formed on the dielectric wherein the cathode layer comprises a self-doped conductive polymer and a cross-linker wherein a weight ratio of crosslinker to self-doped conductive polymer is at least 0.01 to no more than 2.

The present application relates to copper-doped double perovskites, for example, copper-doped double perovskites of the formula (I) and to uses thereof, for example as low-bandgap materials such as a semiconducting material in a device. The present application also relates to methods of tuning the bandgap of a Cs.sub.2SbAgZ.sub.6 double perovskite (for example, wherein Z is Cl) comprising doping the double perovskite with copper.
Cs.sub.2Sb.sub.1-aAg.sub.1-bCu.sub.2xZ.sub.6  (I)

Disclosed are a transparent electrode for a solar cell and a method of manufacturing the same. The transparent electrode for a solar cell has a low Young's modulus, excellent elasticity, self-healing properties, an average visible-light transmittance sufficient to implement bifacial properties, and excellent power conversion efficiency (PCE). In addition, the method of manufacturing the transparent electrode for a solar cell does not require an additional deposition process, so the electrode-manufacturing time can be reduced, and the electrode-manufacturing process can be performed separately from other solar-cell-manufacturing processes, which is advantageous for mass production and large-area application.

An electrode foil for an electrolytic capacitor includes: an anode body that includes a core part and a porous part disposed on a surface of the core part, and contains a first metal; a first dielectric layer that covers at least a part of the porous part; and a second dielectric layer that covers at least a part of the first dielectric layer. The second dielectric layer contains an oxide of a second metal. The first dielectric layer includes a first part having a thickness T.sub.1 and a second part having a thickness T.sub.2 smaller than the thickness T.sub.1.

The present invention relates to a process for the production of a layer composition (10) with an electrically conductive layer (11), comprising the process steps: a) provision of a substrate (12) with a substrate surface (13); b) formation of a polymer layer (14) comprising an electrically conductive polymer (15) on at least a part of the substrate surface (13); c) application of a liquid stabilizer phase, comprising a stabilizer and a liquid phase, to the polymer layer (14) from process step b), wherein the stabilizer phase comprises less than 0.2 wt. %, based on the stabilizer phase, of the electrically conductive polymer,
wherein the stabilizer is an aromatic compound with at least two OH groups, and a layer composition (10) and uses thereof.

A simple, one-step method for producing a homogenous CeO.sub.2—TiO.sub.2 composite thin film using aerosol-assisted chemical vapor deposition (“CVD”) of a solution containing triacetatocerium (III) and tetra isopropoxytitanium (IV) on a fluorine-doped tin oxide (“FTO”) substrate at a temperature ranging from about 500 to about 650° C. Methods for using the film produced by this method.

A chemical etch is performed on a sheet of material. An electrochemical etch is performed on the sheet of material after the chemical etch is performed on the sheet of material. A capacitor is fabricated such that an electrode included in the capacitor includes material from the sheet of material after the electrochemical etch was performed on the sheet of material. In some instances, the chemical etch included at least partially immersing the sheet of material in an etch bath that includes molybdenum. Additionally or alternately, the chemical etch can be performed for a period of time less than 60 s.

The present disclosure discloses metal oxide nanoparticle ink, a method of preparing the same, a metal oxide nanoparticle thin film manufactured using the same, and a photoelectric device using the same. The method of preparing metal oxide nanoparticle ink according to an embodiment of the present disclosure includes a step of, using a ligand solution including a metal oxide and an organic ligand, synthesizing a first nanoparticle that is a metal oxide nanoparticle surrounded with the organic ligand; a step of preparing a dispersion solution by dispersing the first nanoparticle in a solvent; a step of preparing a second nanoparticle by mixing the dispersion solution and a pH-adjusted alcohol solvent and then performing ultrasonication treatment to remove the organic ligand surrounding the first nanoparticle; and a step of preparing metal oxide nanoparticle ink by dispersing the second nanoparticle in a dispersion solvent.