The invention provides a quantum dots-sensitized solar cell and a method of enhancing the optoelectronic performance of a quantum dots-sensitized solar cell using a co-adsorbent, in which a bifunctional molecule is used as the co-adsorbent and is mixed with aqueous quantum dots to form a quantum dots sensitizer, thereby improving the photoelectric conversion efficiency of the solar cell.

The instant disclosure relates to a stacked-type solid electrolytic capacitor capable of increasing welding effect and a manufacturing method of the same. The stacked-type solid electrolytic capacitor includes a plurality of solid electrolytic capacitor units, each of which has an anode part and a cathode part connected to the anode part, characterized in that the anode part is formed with at least one buffering via-hole in a welding area thereof. When each of the anode parts is compressed in a welding process, the volume of the corresponding buffering via-hole decreases accordingly. Therefore, the soldering performance of the anode part solid electrolytic capacitor is enhanced and the connection stability is increased.

A capacitor that comprises a solid electrolytic capacitor element, a casing material that encapsulates the capacitor element, an anode termination, and a cathode termination is provided. A nanocoating is disposed on at least a portion of the capacitor element, casing material, anode termination, cathode termination, or a combination thereof. The nanocoating has an average thickness of about 2,000 nanometers or less and contains a vapor-deposited polymer.

An improved method for forming a capacitor is provided as is a capacitor, or electrical component, formed by the method. The method includes providing an aluminum containing anode with an aluminum oxide dielectric thereon; forming a cathode on a first portion of the aluminum oxide dielectric; bonding an anode lead to the aluminum anode on a second portion of the aluminum oxide by a transient liquid phase sintered conductive material thereby metallurgical bonding the aluminum anode to the anode lead; and bonding a cathode lead to said cathode.

An improved process for preparing a conductive polymer dispersion is provided as is an improved method for making capacitors using the conductive polymer. The process includes providing a monomer solution and shearing the monomer solution with a rotor-stator mixing system comprising a perforated stator screen having perforations thereby forming droplets of said monomer. The droplets of monomer are then polymerized during shearing to form the conductive polymer dispersion.

A capacitor and methods of processing an anode metal foil are presented. The capacitor includes a housing, one or more anodes disposed within the housing, one or more cathodes disposed within the housing, one or more separators disposed between an adjacent anode and cathode, and an electrolyte disposed around the one or more anodes, one or more cathodes, and one or more separators within the housing. The one or more anodes each include a metal foil that includes a first plurality of tunnels through a thickness of the metal foil in a first ordered arrangement, the first ordered arrangement being a close packed hexagonal array arrangement, and having a first diameter, and a second plurality of tunnels through the thickness of the metal foil having a second ordered arrangement and a second diameter greater than the first diameter.

The present invention provides an improved redox couple for electrochemical and optoelectronic devices. The redox couple is based on a complex of a first row transition metal, said complex containing at least one mono-, bi-, or tridentate ligand comprising a substituted or unsubstituted ring or ring system comprising a five-membered N-containing heteroring and/or a six-membered ring comprising at least two heteroatoms, at least one of which being a nitrogen atom, said five- or six-membered heteroring, respectively, comprising at least one double bond. The invention also relates to electrolytes and to the devices containing the complex, and to the use of the complex as a redox couple. The invention further provides electrochemical and/or optoelectronic devices comprising a first and a second electrode and, between said first and second electrode, a charge transport layer, said a charge transport layer comprising tetracyanoborate ([B(CN).sub.4].sup.−) and a cationic metal complex functioning as redox-couple.

The present invention is a photovoltaic-thermoelectric solar cell and a method of manufacturing a photovoltaic-thermoelectric solar cell. The solar cell includes a substantially transparent electrode, an organometallic photovoltaic material disposed on the transparent electrode, and a cathode disposed on the organometallic photovoltaic material. The organometallic photovoltaic material may be a porphyrin nanomaterial.

A solid electrolytic capacitor is described which comprises an anode, a dielectric on the anode and a cathode on the dielectric. A conductive coating is on the cathode wherein the conductive layer comprises an exterior surface of a first high melting point metal. An adjacent layer is provided comprising a second high melting point metal, wherein the first high melting point metal and the second high melting point metal are metallurgically bonded with a low melting point metal.

The present invention relates to a method for forming a capacitor having carbon or metal electrodes and an electrolyte which is also a source of electropolymerisable anions. Applying a sufficiently positive voltage, a thin dielectric layer forms at the positive electrode, enabling the use of cell voltages higher than 3.5 V. The construction and characteristics of capacitors with 5, 6.3, and 10 V of cell voltages, having reduced graphene oxide electrodes and an ionic liquid electrolyte, are shown. Further, a method of forming a capacitor, including the steps of: (a) providing a first electrode; (b) providing a first electrolyte including an anionic compound, wherein said compound includes at least one cyano group or at least one nitrile group; (c) electropolymerising said anionic compound in order to form a dielectric layer on at least part of the first electrode; (d) forming a capacitor including the electrode of step (c), a second electrode and a second electrolyte, which is the same or different to the first electrolyte, is claimed. In a further aspect of the invention, there is provided an electronic device including a capacitor, a transistor or an electrode produced by means of a method as defined above. It is believed that a number of dielectric compounds produced by the method as defined above are new compounds not previously isolated. Accordingly, polytetracyanoborate, polycyani, or polytricyanomethanide.