Abstract: The invention provides an electrode body for a cylindrical lithium battery, which is formed by winding a laminated body including a negative electrode sheet, a first separator, a positive electrode sheet, a plurality of cathode tabs and a plurality of anode tabs, wherein the negative sheet and the positive sheet have a negative electrode coating and a positive electrode coating, respectively. In the present invention, the positive electrode coating is provided on the positive electrode sheet in a specific configuration to increase the coating area of the positive electrode coating, thereby increasing the capacitance of the electrode body.

Abstract: Proposed is a hybrid energy generation device using sunlight and solar heat including a photovoltaic panel in which a plurality of photovoltaic cells are arranged on a front side thereof, a first heat storage pipe having an inlet through which heat transfer fluid is introduced, and having a first slit hole formed on a side thereof in a longitudinal direction, a second heat storage pipe disposed to face the first heat storage pipe, having an outlet through which the heat transfer fluid is discharged, and having a second slit hole formed on a side thereof in a longitudinal direction, two or more third heat storage pipes arranged to connect the first heat storage pipe and the second heat storage pipe, and each having a third slit hole formed on a side thereof in a longitudinal direction, and a heat dissipation panel laminated on a back side of the PV panel.

Abstract: The invention is directed to a process for forming a particle film on a substrate. Preferably, a series of corona guns, staggered to optimize film thickness uniformity, are oriented on both sides of a slowly translating grounded substrate (copper or aluminum for the anode or cathode, respectively). The substrate is preferably slightly heated to induce binder flow, and passed through a set of hot rollers that further induce melting and improve film uniformity. The sheeting is collected on a roll or can be combined in-situ and rolled into a single-cell battery. The invention is also directed to products formed by the processes of the invention and, in particular, batteries.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, and a removable seat disposed in the bore and defining at least in part the first flow passageway.

Abstract: A unibody valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, and a disc disposed within the interior chamber, wherein the interior chamber includes an enlarged side portion positioned outside of the at least one of the first flow passageway and the second flow passageway projected along the longitudinal axis, wherein the disc is disposed in the enlarged side portion when in an open position.

Abstract: Methods and systems for removing impurities from electrolyte solutions having three or more valence states. In some embodiments, a method includes electrochemically reducing an electrolyte solution to lower its valence state to a level that causes impurities to precipitate out of the electrolyte solution and then filtering the precipitate(s) out of the electrolyte solution. In embodiments in which the electrolyte solution is desired to be at a valence state higher than the precipitation valence state, a method of the disclosure includes oxidizing the purified electrolyte solution to the target valence.

Abstract: The application relates to unidirectional hydrokinetic turbines having an improved flow acceleration system that uses asymmetrical hydrofoil shapes on some or all of the key components of the turbine. These components that may be hydrofoil shaped include, e.g., the rotor blades (34), the center hub (36), the rotor blade shroud (38), the accelerator shroud (20), annular diffuser(s) (40), the wildlife and debris excluder (10, 18) and the tail rudder (60). The fabrication method designs various components to cooperate in optimizing the extraction of energy, while other components reduce or eliminate turbulence that could negatively affect other component(s).

Abstract: A complex energy generation device using sunlight and solar heat includes: a heat storage tube having, at a first side portion thereof, an inlet portion into which heat medium oil flows, and having, at a second side portion thereof, an outlet portion from which the heat medium oil is discharged, the heat storage tube having a slit at a lower surface thereof along a longitudinal direction thereof; a solar panel having a plurality of solar cells on a front surface thereof; and a heat radiation panel having an upper portion inserted into the heat storage tube through the slit of the heat storage tube while sealing the slit, and a lower portion laminated on a rear surface of the solar panel.

Abstract: Thermal fuses and related methods of operation are disclosed. In some embodiments, a thermal fuse may include an insulating component and two electrodes operatively connected to the insulating component. Based on a difference in the thermal coefficients of expansion, the insulating component may expand axially relative to the electrodes with increasing temperature. As the insulating component expands the two electrodes may be moved axially apart to transition between an open and closed configuration. In some embodiments, the thermal fuse may transition between the open and closed configuration depending on whether or not an operating temperature of the thermal fuse is above or below a threshold temperature.

Abstract: This application relates to a self-powered sensor and a monitoring system including the same. In one aspect, the self-powered sensor includes a power generation unit converting an external physical stimulus into electrical energy, and a sensing unit generating and transmitting a sensing signal corresponding to the electrical energy. The sensing unit may include an electrical energy storage unit storing the electrical energy transmitted from the power generation unit, a switching unit switching to an energized state or a power-saving state according to the comparison result of the storage amount of the electrical energy stored in the electrical energy storage unit and a reference storage amount. The sensing unit may also include a processor generating and wirelessly transmitting a sensing signal based on the electrical energy stored in the electrical energy storage unit when the switching unit switches to the energized state.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, a valve seat disposed in the bore including a concave seating surface, and a disc rotatable within the interior chamber between an open position and a closed position, wherein the disc includes a seal having a shape corresponding to the concave seating surface and wherein the shape of the seal and the concave seating surface define an elliptical offset from a centerline of the valve.

Abstract: A system for real-time detection of airborne pathogens is disclosed. The system includes: an air intake unit defining an inlet and an air inflow channel; a fan configured to cause air in a sampling environment to flow into the air inflow channel via the inlet; a cooling unit for cooling air in the air inflow channel; a collection chamber for collecting liquid water condensed from air in the air inflow channel, the collection chamber including: an active target substrate having a surface that is coated with bioreceptors; and a reference target substrate that is not coated with bioreceptors, and an optical detection unit that is configured to independently illuminate the active target substrate and the reference target substrate with light for detecting presence of an airborne pathogen.

Abstract: A pyrolysis oil composition that is soluble in hydrocarbon fuel, and related systems and methods for making the composition, are described. In an exemplary embodiment, a process for making a pyrolysis oil composition involves pyrolyzing biomass to generate biomass-derived pyrolysis vapor therefrom, vaporizing petroleum feedstock to generate petroleum feedstock-derived vapor therefrom, blending the biomass-derived pyrolysis vapor and petroleum feedstock-derived vapor together, condensing the blended biomass-derived pyrolysis vapor and petroleum feedstock-derived vapor simultaneously to form a condensate, and collecting the condensate.

Abstract: A valve assembly includes a body having spaced apart ports defining a flow passageway therebetween and a top surface. A valve is disposed in the flow passageway. A bonnet is coupled to the top surface of the body. A rising stem is supported by the bonnet and is operably coupled to the valve. A cap includes a bottom sealingly coupled to at least one of the body or the bonnet and an opening. The cap is disposed over the bonnet with the stem extending through the opening.

Abstract: A dynamic mass torque generator for producing renewable energy, the dynamic mass torque generator comprising a dynamic mass assembly, wherein the dynamic mass assembly comprises a ballast tank disposed on ballast tank support arms with distal ends of the ballast tank support arms hingeably attached to a glide car via ballast tank support arm hinges and a counter-weight ballast tank disposed on counter-weight ballast tank support arms with distal ends of the counter-weight ballast tank support arms hingeably attached to the glide car via counter-weight ballast tank support arm hinges, wherein the dynamic mass assembly transfers fluid between the ballast tank and the counter-weight ballast tank using a ballast pump to generate torque; and a torsion spring assembly coupled to the dynamic mass assembly, wherein the torsion spring assembly comprises an angle bevel gear-drive coupled to a torsion-spring axel and a crankshaft gear-drive intercept, using a torsion-spring shaft coupling, wherein the angle bevel gear-d

Abstract: Methods of forming encapsulated electrochemical and/or ionically conducting particles as their use in manufacturing electrochemical cells are described.

Abstract: A method for generating power from a heat source includes mixing a refrigerant in a liquid phase with a lubricating oil, heating the mixture to evaporate the refrigerant, mixing the heated mixture with additional refrigerant in a superheated phase, and atomizing the lubricating oil to disperse the lubricating oil within the refrigerant. The atomized lubricating oil and the refrigerant are passed through a decompressor to generate an electrical current. The refrigerant may be an organic material having a boiling point below about ?35 C. Related systems and heat engines are also disclosed.