200 results about "Mass energy" patented technology

An air conditioning system includes a first chamber having a plurality of first sectors, a second chamber having a plurality of second sectors, a first airflow device forming a first airflow through the first chamber, a second airflow device forming a second airflow through the second chamber, and a heat and mass transfer substance flowing in a plurality of the first and second sectors, the substance interacting with the first and second airflows through the first and second chambers. Thermal inducement apparatus thermally interacts with the substance establishing a thermal gradient between the first sectors and a thermal gradient between the second sectors providing a heat and mass energy gradient for the first airflow through the first sectors and a reversed heat and mass energy gradient for the second airflow through the second sectors. Plumbing is provided, which moves the substance throughout the system.

The invention discloses a current collector, and an application of the current collector in a lithium ion battery, and concretely relates to a composite current collector, and a lithium ion secondary battery applying the current collector. The composite current collector comprises an upper metal layer, a lower metal layer and a nonmetal layer arranged between the upper metal layer and the lower metal layer, vacuum electroplating, electrolytic electroplating or composite bonding compounding is carried out between the upper metal layer and the nonmetal layer and between the nonmetal layer and the lower metal layer, and the thickness of the nonmetal layer is controlled to be 2-20 [mu]m; and the thickness of each of the upper metal layer and the lower metal layer is controlled to be 1-10 [mu]m. The above structure reduces the weight of the current collector and guarantees that the composite current collector have excellent tensile strength and excellent flexibility; the outer layer of the current collector is the metal layer, and has a conductive effect; and the above reasonable structure design substantially improves the mass energy density of the produced lithium ion secondary battery and effectively prolongs the cycle life of the battery.

The invention discloses nitrogen-doped porous carbon and a preparation method as well as application of the nitrogen-doped porous carbon to a super-capacitor electrode material and belongs to the technical field of energy source materials and application. The nitrogen-doped porous carbon is prepared by taking natural waste products, namely peanut shells, as raw materials through steps of carrying out ball milling, sieving, carrying out high-temperature activation and washing. The nitrogen-doped porous carbon prepared by the invention has graded pores including micro-pores and medium pores; a main pore diameter range is 2nm to 5nm, the specific surface area is 1000 square meters per gram to 1200 square meters per gram, the nitrogen mass ratio is 8 percent to 10 percent and the mass specific capacitance is 290 Faraday per gram to 310 Faraday per gram; the mass energy density of a nitrogen-doped porous carbon based super-capacitor prepared from the nitrogen-doped porous carbon is 40 watt-hour per kilogram to 43 watt-hour per kilogram; the nitrogen-doped porous carbon has excellent circulating stability so that the nitrogen-doped porous carbon can be better applied to the field of super-capacitor electrodes.

The invention discloses a nitrogen and sulfur co-doped hierarchical porous carbon composite material, and a preparation method and an application thereof, and belongs to the technical field of supercapacitor electrode materials. A natural polymer material which is abundant in the nature, low in price and easy to obtain is used as a carbon source, graphene oxide is added to improve the conductivity, an activator and a doping agent are added in advance, and a general two-step technology (high-temperature carbonization and chemical activation) for preparing a carbon material is simplified into one-step high-temperature annealing, so that the carbon material with a high specific surface area and a hierarchical porous three-dimensional structure is obtained; and nitrogen and sulfur doping improves the electrochemical performances of the material. The composite carbon material has the advantages of high mass specific capacitance, excellent high-current rate capability, ultra-long cycle life,high mass energy density and high power density when used as a high-performance electrode material for a supercapacitor. The preparation method has the advantages of simplicity, feasibility, low requirements on reaction deices, environmental friendliness, and suitableness for industrial production.

The invention provides a sterilization treatment device for an aseptic packaging system. The device is characterized by comprising an aseptic chamber and an air filter device; air is filtered through an air filter device, and then is sent to the aseptic chamber with a sterilization groove; an atomizing nozzle and an ultraviolet lamp are arranged on the top in the aseptic chamber; the atomizing nozzle is connected with a hydrogen peroxide device; a packaging material is passed through the sterilization groove, and is sterilized by the ultraviolet lamp; a filling tube is partially arranged in the aseptic chamber; the top end of the filling tube is connected with a cleaning valve through a flow control valve; and one end of the cleaning valve is connected with a steam input device. The invention also provides a method by utilizing the device, which comprises the following steps: forming the aseptic chamber; forming aseptic air by an air filter method; and sterilizing the packaging material by the hydrogen peroxide and the ultraviolet ray. The device and the method cannot consume mass water resource or mass energy like heating and cooling, and the packaging material and mechanical parts are not easy to be destroyed at the same time.

The invention relates to a lithium ion battery electrode structure and a preparation method thereof, belonging to the technical field of a lithium ion battery. According to the method, a nano carbon material and an active substance are laminated, so that the content of non-active substances, such as positive and negative current collectors, positive and negative tabs and a diaphragm in positive and negative electrodes of the lithium ion battery can be reduced on the basis that the capacity of the lithium ion battery is not reduced, and the mass energy density and the volume energy density of the lithium ion battery can be greatly improved. The preparation method of the lithium ion battery electrode structure is compatible with the traditional process, so that the process is simple, the operation is convenient, the effect is obvious, and the application significant is great.

The invention in particular discloses a high-energy-density lithium ion power battery. The battery comprises an anode piece, a cathode piece, a diaphragm, electrolyte and a battery case accessory, wherein the anode piece is composed of an anode current collector, an anode material coated on the surface of the anode current collector, an anode conductive agent and an anode binder; the cathode pieceis composed of a cathode current collector, a cathode material coated on the surface of the cathode current collector, a cathode conductive agent and a cathode binder, the anode material is a Ni-Co-Mn or Ni-Co-Al ternary anode material, and the cathode material is conductive carbon source coated silicon carbide or SiOx. The high-energy-density lithium ion power battery provided by the embodimentof the invention has the initial coulomb efficiency reaching 86.5% and the mass energy density reaching up to 280Wh/kg and can meet high energy density and long cycle life requirements of the power battery.

The invention refers to a device for producing hydrogen by using microbe to yeast organic substances and conversion of hydrogen energy and electricity energy. It sets biological hydrogen producing reaction device, gas purifying device inlet connects with the outlet of reaction device, the hydrogen device is connected with purifying device, hydrogen energy and electricity energy device inlet is connected with the outlet of hydrogen of hydrogen storing device. The invention converts each kinds of compound inorganic substances into simple substance which can be used by microbe by decomposing microbe, and generates hydrogen through high efficiency hydrogen generating microbe. Finally, they are converted into electricity energy in fuel battery. It can realizes the controllable conversion between biology mass-energy and electricity energy. It applies to organic waste water discharging industry process and resource utilization, environment protection process to organic waste and water in city environment protection department and resource utilization, and so on.

The invention relates to a method for separating, reclaiming and recycling CO2 in gas of a blast furnace and a converter respectively, belongs to the fields of ferrous metallurgy and greenhouse gas discharge reduction, and provides an energy-saving technique for improving the mass energy of the gas and reducing the discharge of CO2. The method integrates and optimizes the reclamation and recycle of the gas of the blast furnace and the converter; the reclamation and separation of the CO2 in the gas are executed by a gas treatment system, an absorption tower and a regeneration tower with a built-in boiler, and a chemical absorption system is additionally provided; and the reclaimed CO2 and partial external CO2 can be used for blasting in a hot-blast stove of the blast furnace and carrying gas for injection fuel, and the reclaimed CO2 also can be used for replacing N2 to carry out slag splashing protection for the converter. The method realizes the recycle of the CO2 during iron making in the blast furnace and steel making in the converter, also can use the external CO2 reclaimed from the industrial waste gas in the industries of power, chemical engineering and the like, reduces the discharge of the CO2, realizes an environment-friendly steel production process, and has remarkable social and environmental benefits.

The invention discloses a natural gas type synthesis ammonia energy-saving and emission-reduction technology, which is characterized in that: a methodology of process systems engineering is adopted torealize mass-energy comprehensive integration, particularly comprising the following steps: carbon dioxide in one section of furnace flue gas is recovered by adopting a combined method of membrane separation and chemical adsorption; deeply cooling, distilling and recovering argon gas in purge gas of a hydrogen recovery device; a great quantity of low-temperature waste heat at the outlet positionof the top of a regenerating tower and an ice engine is recycled by adopting heat pump technology, so as to save cold of the ice engine and pre-heating boiler water; a similar device is used as a reference, the proposal is close to zero discharge, greenhouse gas emission load can be reduced by 50 percent to 100 percent, and carbon dioxide and argon gas are by-products at the same time, and the unit consumption of a product can reach 31GJ/tNH3, and compared with the original process, the energy saving can reach 5 percent to 15 percent. The technology is particularly suitable for the existing synthesis ammonia device which takes natural gas as raw material, so as to carry out energy-saving and emission-reduction technology reconstruction, the energy consumption of the natural gas type synthesis ammonia device based on the design of the proposal is the lowest level in the national similar devices.

A mass energy conversion device adopting gas energy storage and double-cylinder reciprocation vibrating piezoelectric transduction and applied to railway remote monitoring comprises a box, travel transforming mechanisms, pressure energy storage mechanisms, a high-pressure gas storage cavity and a pneumatic power generation mechanism. The device can convert vibration kinetic energy during train operation into electric energy and provide energy for railway remote monitoring equipment, and long-term stable remote monitoring for safe operation of the railway can be realized in an environment without power and a power supply.

A plasma-assisted waste gasification system including a sensing mechanism and process for converting waste stream reaction residues into a clean synthesis gas (syngas) is disclosed. The gasification system includes a first sensor located between a gas quench unit and a heat recovery unit to measure a first temperature and first flow rate of the synthesis gas exiting the gas quench unit; a second sensor to measure a second temperature and a second flow rate of a low temperature synthesis gas entering the gas quench unit; wherein the first sensor and the second sensor are connected to an inferential sensing mechanism. The inferential sensing mechanism is capable of estimating the temperature of the synthesis gas in the reactor, based on the measured first temperature and first flow rate, and the measured second temperature and second flow rate, using a mass-energy balance relationship that is based on the measurements of the two sensors. Another aspect of the invention relates to a control unit to control the temperature of the reactor to a required operating temperature range.

The invention discloses a preparation method for a lithium-nickel-cobalt-aluminum composite oxide cathode material for a lithium ion battery by using an oxidation process, belongs to the technical field of new energy materials and solves the main technical problem of improving the mass energy density of the cathode material for the lithium-ion battery. The preparation method for the lithium-nickel-cobalt-aluminum composite oxide cathode material for the lithium ion battery particularly comprises the following steps: weighing the materials of a lithium source, nickel-cobalt-aluminum hydroxide and doped modified elements (M) in a certain molar ratio, uniformly mixing, then presintering for 4 to 5h in the range of 400 to 500 DEG C in an atmosphere furnace introduced with oxygen, then rising the temperature to 700 to 850 DEG C and roasting at constant temperature for 10 to 20h, and naturally cooling to obtain the lithium-nickel-cobalt-aluminum composite oxide cathode material. The mass energy density of the lithium-nickel-cobalt-aluminum composite oxide cathode material is more than 1000Wh/kg, and cycle performance of the lithium-nickel-cobalt-aluminum composite oxide cathode materialis excellent. The lithium-nickel-cobalt-aluminum composite oxide cathode material for the lithium ion battery disclosed by the invention is simple in process, low in manufacturing cost, simple in process route, short in cycle, and low in energy consumption, and can be used in scale production.

The invention discloses a preparation method of a nanometer titania photocatalyst for degrading VOC. The method comprises the following steps: S1, putting nanometer titania powder into a tube furnace, and then introducing ammonia gas of which the purity is not lower than 99.9%; S2, heating up the furnace body to 550-750 DEG C at the heating rate of 4 DEG C/min to 10 DEG C/min, and carrying out heat preservation, wherein the ammonia gas is lastingly introduced in the process S2; S3, carrying out vacuum calcination under the condition that the air pressure is lower than the barometric pressure in the tube furnace, wherein the heat preservation temperature in the S3 is the same as that in the S2; and S4, cooling and taking out a sample. The nanometer titania photocatalyst prepared by adopting the method disclosed by the invention has the relatively strong visible light absorption ability and relatively low electron-cavity recombination rate, high-concentration benzene pollutants can be quickly and completely degraded, and 5.256*10<-3>mg of benzene contained in a space of 0.002m<3> can be completely degraded only by consuming 0.1g of mass energy within four hours under visible light irradiation.

The invention belongs to the technical field of batteries, and particularly relates to a current collector which comprises a substrate layer and a conductive layer. The conductive layer is arranged onthe surface of the substrate layer, the substrate layer comprises a polymer layer and a metal material layer which are connected with each other, the metal material layer is connected with the conductive layer, and part of the metal material layer is exposed out of the conductive layer. In addition, the invention also relates to a pole piece and a battery. Compared with the prior art, the currentcollector has the advantages that the metal consumption is reduced, the mass energy density of the battery is improved, the current collector can be structurally damaged at the initial stage of thermal runaway, and the thermal runaway of the battery can be prevented.

An electrical installation includes a power supply network, an AC/DC converter, a central DC branch, and a rotating mass energy store. The power supply network is connectable to the central DC branch selectively via one of the AC/DC converter and the rectifier bridge. The rotating mass energy store is connectable to the central DC branch selectively via one of the AC/DC converter and the rectifier bridge and connectable directly to the power supply network. In addition, a method for operating of the electrical installation includes selectively connecting the rotating mass energy store according to a status of the power supply network to the central DC central branch via one of the AC/DC converter and the rectifier bridge and directly to the power supply network

The invention relates to an aviation gas turbine engine afterburner flame stabilization technology, in particular to a flame stabilizer which at least solves the problem that mixed gasoline gas in a recirculation zone of the conventional flame stabilizer is lean. The flame stabilizer is positioned in an outer duct of an afterburner, and is a radial flame stabilizer which extends outwards from an annular flame stabilizer at a junction of an inner duct and the outer duct; the flame stabilizer is provided with a first wall surface and a second wall surface that are symmetrically distributed; and a plurality of air suction holes are symmetrically formed in the first wall surface and the second wall surface. Low-pressure air in the recirculation zone can be used to suck liquid-state fuel oil nearby the wall surfaces of the flame stabilizer, and a lean oil flameout boundary of the flame stabilizer can be widened. In addition, a mass-energy exchange rate in the recirculation zone can be increased, the combustion efficiency of the flame stabilizer can be improved, and the stable combustion range can be widened.

The invention belongs to the technical field of electrochemistry, and concretely relates to a semi-solid flow battery with an ion-embedded solid negative electrode. The system of the battery comprisesa sodium titanium phosphate or lithium titanium phosphate negative electrode, a negative electrode liquid composed of an aqueous solution containing one or two of a sodium ion and a lithium ion, an ion exchange membrane, and a positive electrode liquid formed by an aqueous solution containing an iron ion complex and one or two of the sodium ion and the lithium ion. The high-energy density solid-state water-based negative electrode material sodium titanium phosphate or lithium titanium phosphate is adopted to replace a liquid negative electrode in a traditional liquid flow battery, so the advantages of separate energy and power design, high safety and long cycle life of the liquid flow battery are kept; and the semi-solid flow battery is not limited by the concentration of a solute, so theenergy density of the negative side is greatly improved, and the impedance of the battery is greatly reduced, thereby the volumetric energy density, the mass energy density and the working efficiencyof a whole battery module are greatly improved.

The invention relates to a method for converter gas CO2 separation and recycling, belongs to the field of ferrous metallurgy and greenhouse gas emission reduction, and provides an energy-saving technology for improving gas mass-energy and reducing CO2 emission. The method for converter gas CO2 separation and recycling is characterized in that high temperature gas discharged from a converter firstly enters a high-temperature waste heat recovery system for high-temperature sensible heat utilization, is conveyed to a low-temperature waste heat recovery system for waste-heat utilization after passing through a high-temperature flue gas ceramic filtering dedusting system. Then, the converter gas is conveyed to a CO2 absorption system, CO2 is absorbed and absorption liquid rich in CO2 is obtained, the CO2-removed converter gas is rich in CO which can be used as significant energy for metallurgy and can be used for hot blast heater waste heat air, coke oven, power station boiler, steel rolling heating furnace and the like, CO2-absorbed solution is desorbed by a CO2 separation system for CO2 separation, and the separated CO2 and external CO2 are circularly used for convertor slag splashing protection, bottom blowing and top blowing, recycling of the convertor gas in a workshop can be achieved, the utilization rate of the convertor gas can be improved, the emission of CO2 can be reduced, and significant social and environmental benefits can be obtained.

The invention provides a high-performance carbon-based negative electrode material suitable for a lithium ion battery and a preparing method thereof. An improved fused salt heating method is used as the preparing method, a three-dimensional structure carbon material having the high specific surface and microtopography at the same time is obtained. The morphology structure is characterized in that a conductive one-dimensional linear carbon material or a conductive two-dimensional sheet-shaped carbon material serves as a framework, and the outer surface of the framework is evenly coated with porous carbon particles. The carbon material serves as the high-performance negative electrode material of the lithium ion battery and has the advantages of being high in mass energy density, good in large-current discharging capacity, long in service life, environmentally friendly and free of heavy metal elements. The preparing method is simple, low in requirement for reaction devices and suitable for industrial production.

The invention discloses a preparation method of lithium ion battery anode materials BiPO4 based on a chemical conversion reaction and a lithium ion battery for manufacturing. The invention has the technical effects that a preparation method of lithium ion battery anode materials BiPO4 based on a chemical conversion reaction and a lithium ion battery for manufacturing are provided, wherein the anode materials BiPO4 include a hexagonal crystal type containing crystal water, a low-temperature single crystal type without crystal water, and a high-temperature single crystal type. The anode materials BiPO4 have a theoretical output voltage of about 3.1V, a theoretical specific discharge capacity of 265.5mAh g<-1>, a theoretical mass energy density of 830.5Whkg<-1>, and a volume energy density of 5253.1Wh L<-1>; and all first specific discharge capacities under the multiplying power of 0.1C are greater than 240mAhg<-1>. According to the preparation method of lithium ion battery anode materials BiPO4 based on a chemical conversion reaction, the preparation process is simple and easy to control, the raw materials are low in cost, and the anode materials are environment-friendly, can be produced industrially on a large scale, and are potential novel anode materials. The prepared three different crystal types of anode materials BiPO4 can be applied to lithium ion batteries, thereby having an excellent application prospect.