1668 results about "Chemical energy" patented technology

It relates to a method and device of changing solar energy to chemical energy. It accumulates the solar energy and changing it to heat energy ranging from 150deg.C-300deg.C, providing reaction heat for the liquid fuels, allowing the middle and low level solar energy changing and stored into high level chemical energy, with the liquid being carbinol or dimethyl ether synthetic fuel, with the catabolite being hydrogen and monoxide formed gas. It can be used for multi purposes, providing fine synthetic fuel and material for customers.

Medical instruments and systems for applying energy to tissue, and more particularly relates to systems for ablating or damaging structures in a body or vessel wall to alter electrical conduction therein to cause an intended therapeutic effect. Variations include devices and methods for generating a high pressure flow of a liquid media and/or a vapor media to treat the targeted tissue by the application of mechanical energy, thermal energy or chemical energy to such targeted tissue.

The invention discloses a bipolarity current collector and a preparation method, which belongs to the chemical energy storage battery technical field. The provided bipolarity current collector comprises aluminum foil, a non-aluminum conducting layer and a polymer barrier layer positioned between aluminum foil and non-aluminum conducting layer; the edges of the aluminum foil and the non-aluminum conducting layer are partially or wholly conductively contacted, the width of a conductive contact area of the edges are 0.1-1.5 centimeters. The bipolarity current collector can avoid the occurrence of internal short circuit and cathode oxidation of the current copper aluminum laminated foils under the condition that a hole is existed; composite insulation frames are hot-pressed on the bipolarity current collector, and can avoid the occurrence of short circuit of the marginal part of the composite current collector, and the security of high voltage battery can be increased.

Embodiments of the invention are directed to SOFC with a multilayer structure comprising a porous ceramic cathode, optionally a cathodic triple phase boundary layer, a bilayer electrolyte comprising a cerium oxide comprising layer and a bismuth oxide comprising layer, an anion functional layer, and a porous ceramic anode with electrical interconnects, wherein the SOFC displays a very high power density at temperatures below 700° C. with hydrogen or hydrocarbon fuels. The low temperature conversion of chemical energy to electrical energy allows the fabrication of the fuel cells using stainless steel or other metal alloys rather than ceramic conductive oxides as the interconnects.

Performance parameters for a reciprocating pump including pulsation energy, temperature energy, solids, Miller number and chemical energy and the like are monitored and employed to at least periodically compute a total energy number over the operating life of the pump. The current computed value is compared to a predictive failure value empirically determined for the respective pump design, to determine when failure is likely to be imminent. Scheduling of maintenance with other pumping operations and objective rating of competing designs is possible based on the total energy number.

The present invention relates to a multifunctional and portable solar charger, more particularly, to a portable solar charger which combines the functions of charging, illumination and power supply together in order to perform effectively transform between a low voltage and a high voltage and conversion between chemical energy and electrical energy, when a storage battery of the charger is charged with the electrical energy, the electrical energy can be transferred to a mobile phone or its battery and other mini-type electrical apparatus such as digital camera, portable computer and portable CD player, in addition, the charger can be connected to an alternating current (AC) power supply.

The invention mainly provides an anode composite material of a lithium sulfur battery and a preparation method thereof and belongs to the technical field of chemical energy storage batteries. The novel sulfur composite material is prepared by using mechanical high energy ball milling in the presence of an inert gas and an oxygen-insulating thermal compound method to uniformly mixing or coating a sulfur conductive polymer, a sulfur anode active ingredient and a catalytic conductive oxide. The sulfur active matter in the material has high electrochemic conductivity and the nano particles obtained by grinding the material have high absorption performance, so the cycle life performance of the lithium sulfur battery is improved effectively.

An apparatus and method are disclosed for eliminating the chemical energy of fuel remaining in a fuel cell generator when the electrical power output of the fuel cell generator is terminated. During a generator shut down condition, electrically resistive elements are automatically connected across the fuel cell generator terminals in order to draw current, thereby depleting the fuel inventory in the generator. The invention provides a safety function in eliminating the fuel energy, and also provides protection to the fuel cell stack by eliminating overheating.

The invention belongs to bioenergy source utilizing field, especially relating to a bioreactor-direct microbial fuel cell and its use. And it mainly comprises tubular anode chamber and cathode chamber and proton exchange membrane to isolate the two chambers, where both the electrodes are of unpolished high-purity graphite rod; the anode is inoculated with bacteria, where before inoculation, charging aseptic N2-CO2(80:20) mixed gas to remove all oxygen gas from culture medium and after inoculation, slowly charging mixed gas and keeping strict anaerobic environment; the cathode keeps charging aseptic air and keeps dissolved oxygen concentration in the aseptic air; in the two chambers, slowly blending with magnetic blender; before used, the battery device is processed by high pressure moisture-heat sterilization. And the invention can use glucose, fructose, xylose, sucrose, maltose, and other sugar-containing matters and organic waste water as raw materials and directly converts their chemical energies into electric energy, having characters of no medium toxicity, good stability, moderate operating conditions, clean power generation, etc.

A system and method are provided for growing algae with improved photoefficiency. The system includes a bioreactor formed with a conduit for growing algae cells in a medium. Further, the system is provided with a means for moving the medium through the conduit at a predetermined fluid flow velocity. In order to ensure that algae cells are efficiently converting light energy to chemical energy, a plurality of barriers is positioned in the fluid stream. Specifically, the barriers are separated by predetermined distances to create von Karman vortices in the medium. As a result, algae cells are sequentially flowed to the surface of the fluid stream to receive light energy for predetermined intervals of time.

Disclosed is a method for inducing desorption of hydrogen for a metal hydride by applying thereto sufficient energy to induce hydrogen desorption by endothermic reaction. The energy that is so-applied is non-thermal and selected from the group consisting of mechanical energy, ultrasonic energy, microwave energy, electric energy, chemical energy and radiation energy.

This invention relates to prospective electric energy sources to be employed in both mobile and stationery high-power electric stations. A method is disclosed for manufacturing a High Temperature Fuel Cell (HTFC), and the associated components, having a solid oxide electrolyte, and designed to transform chemical energy directly into electrical power. The disclosed method for manufacturing an HTFC and its components employs a narrow class of organic reagents which are well known, and widely used in the art. The manufacturing and assembly is performed within the framework of a single physical/chemical process and uniform technological equipment.

A physiology enhancing device for improving physiological functions of a human body, etc., which comprises a heat generating element making use of chemical energy and a sheet interposed between the heat generating element and a body surface of a wearer, and which is designed to supply steam generated from the heat generating element while the device is applied to the body surface. The device exhibits steam generating capability for 2 hours or longer and, while applied to the body surface, raises the body surface temperature to a temperature from 38° C. to lower than 42° C. within one hour from the application. The sheet interposed between the heat generating element and the body surface preferably has a function of regulating air feed to the heat generating element and a function of transferring the heat of the physiology enhancing device to the body surface and preferably has a total thickness of 0.05 to 1.5 mm.

A missile, such as a cruise missile, has a nose payload portion having a frangible nose cover and a relatively hard target penetration nose cone. The nose cone may have a liquid fuel tank within, and a chemical energy explosive charge, such as a shaped charge, aft of the liquid fuel tank. The target penetration nose cone enables perforation of certain types of targets prior to detonation of the chemical energy explosive and the liquid fuel. The frangible nose cover is configured to be easily perforated or otherwise removed by the explosive force of the chemical energy explosive charge when the missile system is utilized for the attack of hard targets. The nose payload portion may have a fragmentation case, with one or more features designed to enhance fragmentation during detonation of the explosive and/or the liquid fuel.

The invention discloses a nickel hydroxide nanosheet thin-film material as well as a preparation method and application thereof, and belongs to the technical field of nanometer thin-film materials and the technical field of chemical energy storage. Nickel hydroxide nanosheets vertically and sequentially grow on a foam nickel base, wherein the particle size of the nickel hydroxide nanosheets is 0.7-1.5 microns and the thickness is 5-9 nanometers. The preparation method comprises the following steps of: respectively placing foam nickel base sheets in hydrochloric acid, ionized water and ethanol for ultrasonic washing, dissolving soluble nickel salt and hexamine in deionized water to obtain clear solution, obliquely placing the foam nickel sheets in a reaction still, transferring the nickel salt and hexamine solution to the reaction still to carry out hydrothermal reaction, cooling to room temperature by using cooling water after the reaction, taking the foam nickel sheets out from the reaction still for cleaning via water and ethanol, and placing the products in a dryer until the products are dried. The integrated product has large capacitance value (range: 1500-3000F/g or 5-12F/cm<2>), can be well kept under high-current density and has good cycle performance, so that the integrated product is a super capacitor material with huge application prospect.

The invention relates to a sulfur composite cathode material and a preparation method thereof, which belongs to the field of chemical energy storage batteries. The sulfur composite cathode material is composed of graphene, elemental sulfur and a carbon nanotube. The invention also provides a preparation method of the sulfur composite cathode material, which comprises the following steps: after carrying out mixed ball-milling on the sulfur and the carbon nanotube, heating the obtained object under the protection of inert gas so as to obtain a sulfur-carbon nanotube composite material; then, carrying out ultrasonic dispersion on the sulfur-carbon nanotube composite material in an alcohol/water liquid phase system, and adding an oxidized graphene solution; and carrying out stirring, ultrasonic dispersing, stirred heating, filtering and drying on the obtained product so as to obtain the sulfur composite cathode material disclosed by the invention. The cathode material is good in cycle performance and discharge capacity, effectively improves the electrochemical electrical conductivity of sulfur, and improves the cycle performance of lithium sulfur batteries.

The invention discloses a communication method and system based on encryption transmission and wireless energy carrying, and belongs to the technical field of wireless communications. According to the communication method, manual additional noise is added into signals of a sending end BS, and on the premise of keeping the signal to noise ratio on a master user link, a beam forming technology is adopted according to the orthogonality of a channel and the manual noise, so that the signal to noise ratio on a wiretap link is reduced, encryption transmission speed of the system is increased, and safety of information transmission is promoted; a dynamic power distribution method based on slot time switching is adopted for an access end, by using slot time switching, a part of the signals are used for energy harvesting, and the other part of the signals are used for information interaction, so that energy and information are transmitted simultaneously, and a part of the signals received from a base station by a user are used for energy harvesting and are converted into chemical energy to be stored in a battery so as to meet the need for power of operation of user nodes. Meanwhile, aiming at the incomplete characteristic of actual channel information, a norm approximation lossy scheme is adopted, so that a system device possibly operates in a defective channel environment, and robustness of the system is improved.

The invention discloses a passivated lithium metal-skeleton carbon composite material and a preparation method and application thereof. The composite material is prepared from a lithium metal-skeleton carbon composite material and a passivated layer, wherein the lithium metal-skeleton carbon composite material is prepared from a porous carbon material carrier and lithium metal which is at least distributed in holes of the porous carbon material carrier, and the passivated layer is at least used for stopping the lithium metal in the lithium metal-skeleton carbon composite material from directly contacting the outside world. As the artificial passivated layer is formed on the particle surface of the lithium metal-carbon skeleton composite material, the phenomenon that lithium metal is corroded by electrolyte in a circulating process is effectively reduced, and lithium dendrites are prevented from forming; thus, the obtained passivated lithium metal-carbon skeleton composite material has the advantages of good circulating stability, high coulombic efficiency and the like in electrochemical circulation, can be widely applied to chemical energy storing devices of rechargeable lithium batteries, rechargeable lithium ion batteries and the like, can effectively improve coulombic efficiency, circulating stability and energy density of batteries.