Abstract: There is provided a multilayer ceramic capacitor including a ceramic body having first and second side surfaces facing each other, and third and fourth end surfaces connecting the first and second side surfaces, a plurality of internal electrodes formed in the ceramic body and having one ends thereof exposed to the third end surface or the fourth end surface, and a first side margin part and a second side margin part formed such that an average thickness thereof from the first and second side surfaces to edges of the internal electrodes is 18 ?m or less.

Abstract: A mesoporous, nanocrystalline, metal oxide construct particularly suited for capacitive energy storage that has an architecture with short diffusion path lengths and large surface areas and a method for production are provided. Energy density is substantially increased without compromising the capacitive charge storage kinetics and electrode demonstrates long term cycling stability. Charge storage devices with electrodes using the construct can use three different charge storage mechanisms immersed in an electrolyte: (1) cations can be stored in a thin double layer at the electrode/electrolyte interface (non-faradaic mechanism); (2) cations can interact with the bulk of an electroactive material which then undergoes a redox reaction or phase change, as in conventional batteries (faradaic mechanism); or (3) cations can electrochemically adsorb onto the surface of a material through charge transfer processes (faradaic mechanism).

Abstract: A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer.

Abstract: An electrode paste for a supercondenser. The electrode paste is a mixture containing a polymer formed using a liquid softening agent and an active charge. The paste is in the form of gel having an elasticity module of between 104 and 108 Pascal, at extrusion temperatures, in a range of frequencies of between 0.01 and 100 Hz.

Abstract: Photovoltaic devices are driven by intense photoemission of “hot” electrons from a suitable nanostructured metal. The metal should be an electron source with surface plasmon resonance within the visible and near-visible spectrum range (near IR to near UV (about 300 to 1000 nm)). Suitable metals include silver, gold, copper and alloys of silver, gold and copper with each other. Silver is particularly preferred for its advantageous opto-electronic properties in the near UV and visible spectrum range, relatively low cost, and simplicity of processing.

Abstract: An organic semiconductor compound may include a structural unit represented by the aforementioned Chemical Formula 1 and an organic thin film and an electronic device may include the organic semiconductor compound.

Abstract: Disclosed is a metal-sulfur electrode for a lithium-sulfur battery and a method for preparing the same. More particularly, a metal-sulfur electrode for a lithium-sulfur battery is prepared by coating a slurry mixture including sulfur, a conductive material and a binder as an electrode active material on a metal electrode and drying the same while applying an electric field such that the conductive material is aligned adequately so as to provide maximize efficiency during repeated charging and discharging when used in the anode of the lithium-sulfur battery.

Abstract: A nanoconverter or nanosensor is disclosed capable of directly generating electricity through physisorption interactions with molecules that are dipole containing organic species in a molecule interaction zone. High surface-to-volume ratio semiconductor nanowires or nanotubes (such as ZnO, silicon, carbon, etc.) are grown either aligned or randomly-aligned on a substrate. Epoxy or other nonconductive polymers are used to seal portions of the nanowires or nanotubes to create molecule noninteraction zones. By correlating certain molecule species to voltages generated, a nanosensor may quickly identify which species is detected. Nanoconverters in a series parallel arrangement may be constructed in planar, stacked, or rolled arrays to supply power to nano- and micro-devices without use of external batteries. In some cases breath, from human or other life forms, contain sufficient molecules to power a nanoconverter.

Abstract: A nanocomposite fluid includes a fluid medium; and a nanoparticle composition comprising nanoparticles which are electrically insulating and thermally conductive. A method of making the nanocomposite fluid includes forming boron nitride nanoparticles; dispersing the boron nitride nanoparticles in a solvent; combining the boron nitride nanoparticles and a fluid medium; and removing the solvent.

Abstract: A network of nanowires may be used for a sensor. The nanowires are metallic, each nanowire has a thickness of at most 20 nm, and each nanowire has a width of at most 20 nm. The sensor may include nanowires comprising Pd, and the sensor may sense a change in hydrogen concentration from 0 to 100%. A device may include the hydrogen sensor, such as a vehicle, a fuel cell, a hydrogen storage tank, a facility for manufacturing steel, or a facility for refining petroleum products.

Abstract: Provided is a biaxially stretched polypropylene film for capacitors which has high withstand voltage characteristics when used as a dielectric for capacitors and which has highly suitable processability into elements. The biaxially stretched polypropylene film for capacitors has projections on both surfaces and has a thickness (t1, ?m) of 4-20 ?m. When one of the surfaces is expressed by surface A and the other by surface B, all of the following relationships are satisfied. 800?SRzB?1,300 (nm) 0.1?SRzA/SRzB?0.8 PBmin?100 (nm) PBmax?1,500 (nm) 0.4?PB450-750/PB?0.7.

Abstract: A wet electrolytic capacitor that contains an anode formed from an anodically oxidized sintered porous body and a fluidic working electrolyte is provided. The casing contains a metal substrate coated an electrochemically-active material. Through a unique and controlled combination of features relating to the capacitor configuration and sealing assembly, the present inventor has discovered that good electrical properties (e.g., ESR stability) can be achieved at relatively high temperatures. One unique feature of the wet electrolytic capacitor that can help achieve such good ESR stability is the presence of a dielectric layer on the metal substrate of the cathode within a controlled thickness range. In other embodiments, a sealing assembly may be employed that contains a hermetic seal (e.g., glass-to-metal seal) and an elastomeric barrier seal formed from a high-temperature elastomeric material.

Abstract: The invention provides a super capacitor, comprising: a bottom electrode, made of metal that has a sponge-like porous bicontinuous structure wherein the porous bicontinuous structure comprises a plurality of continuous nano pores; a dielectric layer, made of material with high dielectric constant and disposed on the bottom electrode wherein the dielectric layer has a thickness of 0.5˜15 nm; and a top electrode, comprising single layer or multiple layers of conductive layers and having a thickness more than 10 nm.

Abstract: Wet carbon paper processing, wet carbon papers, electrodes prepared from such wet carbon papers, and capacitors prepared from such electrodes.

Abstract: A method of forming an electrode of a lithium ion secondary battery includes combining a binder and active particles to form a mixture, coating a surface with the mixture to form a coated article, translating the article along a first plane, cutting a first plurality of carbon fibers, each having a first average length, to form a second plurality of carbon fibers, each having a longitudinal axis and a second average length that is shorter than the first average length, inserting the second plurality of fibers into the mixture layer so that the longitudinal axis of each of at least a portion of the second plurality of fibers is not parallel to the first plane to form a preform, wherein the second plurality of fibers forms a truss structure disposed in three dimensions within the mixture layer, and heating the preform to form the electrode. An electrode is also disclosed.

Abstract: A photovoltaic device includes a substrate; a back contact layer disposed above the substrate; an absorber layer for photon absorption disposed above the back contact layer; a buffer layer disposed above the absorber layer; a conductive coating disposed above the buffer layer; and a transparent conductive layer disposed over the conductive coating. The conductive coating includes at least one type of nanomaterial, which has at least one dimension in the range of from 0.5 nm to 1000 nm.

Abstract: Embodiments of the present disclosure provide for materials that include conch shell structures, methods of making conch shell slices, devices for storing energy, and the like.

Abstract: Photovoltaic cells comprising an active layer comprising, as p-type material, conjugated polymers such as polythiophene and regioregular polythiophene, and as n-type material at least one fullerene derivative. The fullerene derivative can be C60, C70, or C84. The fullerene also can be functionalized with indene groups. Improved efficiency can be achieved.

Abstract: A photovoltaic converter device includes a photovoltaic conversion layer containing a plurality of nanoparticles in a first material in a dispersed state, wherein the nanoparticles include a second material in particles and a third material that coats the second material, the third material having a band gap E3 that is greater than a band gap E1 of the first material, and greater than a band gap E2 of the second material.

Abstract: Embodiments of the present disclosure provide for electrodes, devices including electrodes, methods of making electrodes, and the like. In an embodiment, the electrode includes MoS2, in particular, MoS2 nanostructures (e.g., MoS2 nano-petals). Embodiments of the present disclosure can be used in lithium ion batteries, quantum dot sensitized solar cells, dye sensitized solar cells, thin film photovoltaics, and the like.

Abstract: Photovoltaic cells comprising an active layer comprising, as p-type material, conjugated polymers such as polythiophene and regioregular polythiophene, and as n-type material at least one fullerene derivative. The fullerene derivative can be C60, C70, or C84. The fullerene also can be functionalized with indene groups. Improved efficiency can be achieved.

Abstract: An electrode structure includes a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film.

Abstract: A thermoelectric conversion material containing a carbon nanotube and a conjugated polymer, in which the conjugated polymer at least has, as a repeating unit having a conjugated system, (A) a condensed polycyclic structure in which three or more rings selected from hydrocarbon rings and heterocycles are condensed, and (B) a monocyclic aromatic hydrocarbon ring structure, a monocyclic aromatic heterocyclic structure, or a condensed ring structure including the monocyclic structure; and a thermoelectric conversion element using the same.

Abstract: A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.

Abstract: Compositions, and methods of obtaining them, useful for lithium ion batteries comprising discrete oxidized carbon nanotubes having attached to their surface lithium ion active materials in the form of nanometer sized crystals or layers. The composition can further comprise graphene or oxygenated graphene.

Abstract: An efficient solar cell and method of fabricating the same is disclosed. The solar cell includes an n-doped substrate layer. A p-doped buffer layer is disposed on the n-doped substrate layer. A quantum dot absorber stack is disposed on the buffer layer. The absorber stack includes at least one quantum dot layer and one p-doped spacer layer. A p-doped cap layer is disposed on the quantum dot absorber layer. The thickness of the quantum dot layer is less than an electron diffusion length from the depletion region formed by the n-doped substrate layer and the p-doped buffer layer. The quantum dot absorber layer allows for additional photo currents from two-photon absorption from the p-doped cap layer being exposed to a light source.

Abstract: The present invention relates to hollow platinum nanoparticles with a diameter comprised between 3 and 20 nm which comprise a first central cavity and optionally at least one second cavity at the periphery of the first cavity, the shell of which is dense and single-crystal with a thickness comprised between 0.2 and 5 nm. The invention also relates to a method for manufacturing such nanoparticles, as well as to their use as an electrocatalyst in fuel cells.

Abstract: The instant disclosure relates to a manufacturing method of capacitor cathode foil structure, comprising the following steps. The first step is providing a base foil, subsequently inserting the foil into a reactor. The next step is executing a heating process for heat the base foil to a temperature region of 400° C. to 1000° C. The next step is directing a carbon containing precursor gas into the reactor. The last step is executing a cooling process for cooling the base foil to a temperature below 100° C. to deposit a graphene-based layer on one surface of the base foil, wherein the graphene-based layer is consisted of a plurality of graphene-based thin films in stacked arrangement.

Abstract: A solar cell includes a back electrode, a silicon substrate, a doped silicon layer and an upper electrode. The back electrode is located on and electrically connected to a lower surface of the silicon substrate. A number of cavities are formed on an upper surface of the silicon substrate. The doped silicon layer is located on the inside surface of the cavities. The upper electrode is located on the upper surface of the silicon substrate. The upper electrode includes a carbon nanotube structure.

Abstract: Disclosed herein are embodiments of an electrochemical device comprising graphene material made using embodiments of the method disclosed herein. Also disclosed is a graphene electrode comprising the graphene material made using embodiments of the method disclosed herein. The graphene material disclosed herein for use in the disclosed electrochemical devices has superior properties and activity compared to carbon-based materials known and used in the art. The disclosed graphene material can be used in multiple different technologies, such as water treatment, batteries, fuel cells, electrochemical sensors, solar cells, and ultracapacitors (both aqueous and non-aqueous).

Abstract: A cathode of the lithium battery includes a composite film. The composite film includes a carbon nanotube film structure and a plurality of active material particles dispersed in the carbon nanotube film structure.

Abstract: An organic photovoltaic cell, containing a first electrode; a second electrode; and a photoelectric conversion layer between the first electrode and the second electrode, wherein the photoelectric conversion layer contains a polymer having a structural unit represented by formula (I): wherein X represents S, NR2, O, Se or Te; Y represents NR2, O, Te, SO, SO2 or CO; and R1 and R2 represent a hydrogen atom or a substituent.

Abstract: The preset invention is to provide an air battery including, in an air electrode layer, a needle-shaped carbon material having more reaction starting points of oxygen reduction reaction than conventional carbon materials. Disclosed is an air battery including at least an air electrode, a negative electrode and an electrolyte layer disposed between the air electrode and the negative electrode, wherein the air electrode is provided with at least an air electrode layer, and the air electrode layer contains a needle-shaped carbon material having an average aspect ratio of 10 or more and a DIG ratio of 0.1 or more.

Abstract: According to one embodiment, a system includes a structure having an ionically-conductive, electrically-resistive electrolyte/separator layer covering an inner or outer surface of a carbon-containing electrically-conductive hollow fiber and a catalyst coupled to the hollow fiber, an anode extending along at least part of a length of the structure, and a cathode extending along at least part of the length of the structure, the cathode being on an opposite side of the hollow fiber as the anode. In another embodiment, a method includes acquiring a structure having an ionically-conductive, electrically-resistive electrolyte/separator layer covering an inner or outer surface of a carbon-containing electrically-conductive hollow fiber and a catalyst along one side thereof, adding an anode that extends along at least part of a length of the structure, and adding a cathode that extends along at least part of the length of the structure on an opposite side as the anode.

Abstract: A thermoelectric material includes a stack structure including alternately stacked first and second material layers. The first material layer may include a carbon nano-material. The second material layer may include a thermoelectric inorganic material. The first material layer may include a thermoelectric inorganic material in addition to the carbon nano-material. The carbon nano-material may include, for example, graphene. At least one of the first and second material layers may include a plurality of nanoparticles. The thermoelectric material may further include at least one conductor extending in an out-of-plane direction of the stack structure.

Abstract: Quantum dot-sensitized solar cell and manufacturing method thereof are provided. The proposed quantum dot-sensitized solar cell has a counter electrode with a PbS thin-film layer and a polysulfide electrolyte contacting the PbS thin-film layer.

Abstract: A protected active metal electrode and a device with the electrode are provided. The protected active metal electrode includes an active metal substrate and a protection layer on a surface of the active metal substrate. The protection layer at least includes a metal thin film covering the surface of the active metal substrate and an electrically-conductive thin film covering a surface of the metal thin film. A material of the metal thin film is Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, or W. A material of the electrically-conductive thin film is selected from nitride of a metal in the metal thin film, carbide of a metal in the metal thin film, a diamond-like carbon (DLC), and a combination thereof.

Abstract: Provided are an anode active material including silicon oxide particles (SiOx, where x satisfies 0<x<2), fiber-type carbon grown on the silicon oxide particles, and a carbon coating layer formed on surfaces of the silicon oxide particles and the fiber-type carbon, and a method of preparing the anode active material. Since the anode active material of the present invention is used in an anode of a lithium secondary battery, conductivity may not only be improved but the physical bonding force between the silicon oxide particles and the fiber-type carbon may also be increased. Thus, the performance of the battery may be improved by addressing limitations related to the exfoliation of the fiber-type carbon which may occur due to the volume change of silicon oxide.

Abstract: A hybrid generator using a thermoelectric generation and a piezoelectric generation are provided. The hybrid generator includes first and second insulating layers spaced apart from each other; a thermoelectric structure disposed between the first and second insulating layers; a first electrode disposed on the second insulating layer; a piezoelectric structure disposed on the first electrode; a third insulating layer disposed on the piezoelectric structure; and a second electrode disposed on the third insulating layer.

Abstract: Provided are flexible piezoelectric generators and methods of manufacturing the same. The piezoelectric generator includes a first insulation layer disposed on a first electrode, a piezoelectric structure disposed on the first insulation layer, a second insulation layer disposed on the piezoelectric structure, and a second electrode disposed on the second insulation layer.

Abstract: Embodiments of the present invention comprise different equipment for efficiently and relatively inexpensively producing Casimir cavities for use in quantum vacuum energy extraction. The equipment includes without limitation, sintered materials; submicron porous filter materials; web roll-to-roll produced mesh or foil layers; nanotube arrays; web roll-to-roll produced porous membranes such as graphene, metallically doped; web roll-to-roll produced metallic crystals with self assembling arrays of nano-channels; materials produced by three-dimensional prototyping; materials produced by charged particle deposition; metal wire bundles; metal tube bundles; and metallically doped or metallically coated glass or polymer wire bundles.

Abstract: Provided is a composite including lead oxide particles (PbO2) and functionalized carbon nanotubes (CNTs).

Abstract: Compositions, and methods of obtaining them, useful for lithium ion batteries comprising discrete oxidized carbon nanotubes having attached to their surface lithium ion active materials in the form of nanometer sized crystals or layers. The composition can further comprise graphene or oxygenated graphene.

Abstract: Provided are a composite for an anode active material and a method of preparing the same. More particularly, the present invention provides a composite for an anode active material including a (semi) metal oxide and an amorphous carbon layer on a surface of the (semi) metal oxide, wherein the amorphous carbon layer comprises a conductive agent, and a method of preparing the composite.

Abstract: Provided are an anode active material including carbon-based particles, silicon nanowires grown on the carbon-based particles, and a carbon coating layer on surfaces of the carbon-based particles and the silicon nanowires, and a method of preparing the anode active material. Since the anode active material of the present invention is used in a lithium secondary battery, physical bonding force between the carbon-based particles and the silicon nanowires may not only be increased but conductivity may also be improved. Thus, lifetime characteristics of the battery may be improved.

Abstract: Provided is an electrode powder and an electrode plate for a lithium ion battery. The electrode powder includes a core and a nano-coating layer. The core contains a lithium compound. The nano-coating layer is disposed on a surface of the core and consists of a plurality of nanosheets.

Abstract: Disclosed are new semiconducting polymers. The polymers disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Abstract: Multilayer carbon nanotube capacitors, and methods and printable compositions for manufacturing multilayer carbon nanotubes (CNTs) are disclosed. A first capacitor embodiment includes: a first conductor; a plurality of fixed CNTs in an ionic liquid, each fixed CNT comprising a magnetic catalyst nanoparticle coupled to a carbon nanotube and further coupled to the first conductor; and a first plurality of free CNTs dispersed and moveable in the ionic liquid. Another capacitor embodiment includes: a first conductor; a conductive nanomesh coupled to the first conductor; a first plurality of fixed CNTs in an ionic liquid and further coupled to the conductive nanomesh; and a plurality of free CNTs dispersed and moveable in the ionic liquid. Various methods of printing the CNTs and other structures, and methods of aligning and moving the CNTs using applied electric and magnetic fields, are also disclosed.

Abstract: Solar-redshift systems comprise an integral array of redshift modules, each having at least a focusing device, a target, and a quantum-dot vessel. The quantum-dot vessel contains quantum dots that emit light having an emission wavelength. The focusing device directs incident solar radiation through a focusing gap and toward the quantum-dot vessel, or into a slab waveguide and then toward the quantum-dot vessel, causing the quantum dots to emit redshifted light having the emission wavelength. The redshifted light is directed to the target, examples of which include a photovoltaic material or a living photosynthetic organism. The target has increased sensitivity or response to photons having the wavelength of the redshifted light. A trapping reflector component of the quantum-dot vessel prevents loss of redshifted light to the environment outside the solar-redshift system and allows undesirable infrared light to be removed from the system.

Abstract: Disclosed is an organic photoelectric conversion element having high photoelectric conversion efficiency and high durability. Also disclosed are a solar cell and an optical sensor array, each using the organic photoelectric conversion element. The organic photoelectric conversion element comprises a bulk heterojunction layer wherein an n-type semiconductor material and a p-type semiconductor material are mixed. The organic photoelectric conversion element is characterized in that the n-type semiconductor material is a polymer compound and the p-type semiconductor material is a low-molecular-weight compound.