134 results about "Separator (electricity)" patented technology

A lithium secondary battery for use in electric vehicle, includes: a battery case, and an electricity-generating body including a positive electrode, a negative electrode, and a separator, the positive and the negative electrode being wound or laminated via the separator so that the positive electrode and negative electrode are not brought into direct contact with each other. Each single battery has a ratio (X / E) of battery output X (W) and battery energy E (Wh), of 2 to 36 or a product (RxE) of battery internal resistance R (mOMEGA) and battery energy E (Wh), of 50 to 900 (mOMEGA.Wh). The lithium secondary battery is used in an electric vehicle as combined batteries formed by connecting a required number of the single batteries in series. The lithium secondary battery is designed so as to have a particular ratio of battery output and battery energy or a particular product of battery internal resistance and battery energy and thereby is capable of exhibiting performances necessary for electric vehicle, such as acceleration and the like when used as combined batteries obtained by connecting a required number of single batteries in series.

The invention discloses a high-efficiency clean low-carbon coal graded utilization method and a device thereof. The invention aims at realizing coal graded conversion and high-efficiency clean utilization. With the method and the device, fuel (especially solid fuel and coal powder) high-efficiency utilization and high-concentration CO2 enrichment can be ensured; fuel comprehensive utilization value can be improved; poly-generation of electricity, gas, and tar can be realized; and the discharge of CO2 and other pollutants (such as NOx and SOx) can be reduced. According to the method provided by the invention, a coal crude product processing (coal pyrolysis) process and a coal combustion (chemical chain oxygen decoupling) process are coupled. The device mainly comprises a coal feeder, a pyrolyzer reactor, a cyclone separator, a primary cooler, a secondary cooler, a tar collector, a fuel reactor, a mobile sealing valve, an air reactor, a condenser, a coal dust collector, and an oxygen carrier collector. The device and the method are suitable for various solid fuels such as petroleum coke, biomass, municipal solid waste, and sludge, and different coal types.

A photoelectromethanogenic microbial fuel cell apparatus for processing a carbon dioxide flow into electricity and methane. The apparatus comprises: (a) a photosynthetic microbial fuel half-cell component having an electron-conductive anode and a photosynthetic microbial culture for converting light and water into oxygen, protons and electrons; (b) an electromethanogenic microbial fuel half-cell component having an electron-conductive cathode and a methanogenic microbial culture for converting a flow of carbon dioxide into methane using electrons and protons produced in the photosynthetic microbial fuel half-cell; (c) an electrical coupling interconnecting the two microbial fuel half-cells; and (d) an ionic coupling with an ionic separator interconnecting the two microbial fuel half-cells for selectively transporting ions between the microbial fuel half-cell components. A photobiological integrated carbon capture and recycle technology comprising a photoelectromethanogenic microbial fuel cell apparatus for converting carbon dioxide and water vapour captured from gas streams from a gas-emitting facility, into electricity and methane.

The invention relates to the technical field of off-peak electricity utilization and heat pump heat supply, in particular to an off-peak electricity heat storage cascaded heat pump heat supply systemand modes. The heat supply system comprises an off-peak electricity heat storage device, a generator, an absorber, a condenser, an evaporator, a compressor, a gas-liquid separator and a user heat supply device, wherein the off-peak electricity heat storage device is connected with the generator, and a heat medium circulates between the off-peak electricity heat storage device and the generator through a high-temperature circulating pump. According to the system, the gas-liquid separator is arranged to realize a double-stage cascaded cycle including a vapor compression heating cycle and an absorption heating cycle, so that heat transfer loss between two-stage heat pumps is reduced, the heating efficiency of the system is improved, and the system structure is more compact; and meanwhile, theinvention provides a plurality of heat supply modes, flexible switching between a single-stage heating cycle and a double-stage cascaded heating cycle over the periods before, during and after heating, during an off-peak electricity period and during a non-off-peak electricity period, and match between supplied heat and the heating load is facilitated.

The invention relates to power generation equipment using gas as energy and a power generation method, and belongs to the renewable energy technical field. The invention is characterized in that: a pressure gas storage tank is connected with a cutoff valve, the cutoff valve is connected with a water-gas separator, the water-gas separator is connected with a constant gas flow valve, the constant gas flow valve is connected with a gas nozzle; the opening of the gas nozzle aligns with a gas wheel to evenly release pressure gas; the gas wheel is connected with a pneumatic machine, the pneumatic machine is connected with a generator; the generator can also be respectively connected with an inverter and a load power grid; an air compressor is connected with the generator or the inverter or the load power grid; the gas produced by the air pressure is connected with a check valve through a pipeline, and the check valve is connected with a gas storage tank. The invention has broad adaptability, is not restricted by the energy and is not affected by the regional environment; the rating gas flow is always kept; the speed of gas energy is steady, so the voltage and the frequency of the electrical energy converted by the gas energy can be directly used by the load (power grid); and the excessive electrical energy can be used for places where the electricity is needed.

To provide a method capable of producing a separator integrated with a gas flow channel of fuel cells efficiently at low costs without deteriorating processing accuracy and the like. A plane-facing electrode nozzle 30 is placed oppositely to the face to be processed, which is partially covered with a mask M, of base material B of a separator. Under the condition of feeding electricity to the electrode nozzle 30 and the base material B of a separator, an electrolytic solution is injected and fed from the side of the electrode nozzle 30 to the face to be processed of the base material B from a direction that is almost perpendicular to the face. Thereby, the unmasked portion undergoes electrolytic etching with the electrolytic solution lying between the face to be processed and the electrode nozzle 30 to form recessed portions for making a gas flow channel.

The invention discloses an injection organic Rankine flash evaporation combined cooling and power supply system. The system comprises a gas-liquid separator, a high-pressure expansion machine, a low-pressure expansion machine, a power generator, a pressure reducing valve, a flash evaporation tank, an extraction regulating valve, a refrigeration ejector, an injection regenerator, a condenser, a low-pressure working medium pump, a high-pressure working medium pump, a generator, an evaporator and a throttle valve; low-grade heat energy is connected with the generator, and a circulating working medium in the generator is heated; the high-pressure expansion machine, the low-pressure expansion machine and the power generator are coaxially connected to drive the power generator to generate electricity; and the circulating working medium evaporates and absorbs heat in the evaporator to obtain cold energy. An organic Rankine flash evaporation system, an injection regenerative system and an injection refrigeration system are coupled, so that the power consumption of the working medium pumps is reduced, the energy utilization efficiency is improved, and the system has the advantages of beingsimple in structure, remarkable in energy saving effect, convenient to control and the like.

The invention relates to a tail gas treatment device for a fuel cell system and the fuel cell system and relates to the technical field of fuel cells, the tail gas treatment device comprises a secondgas-water separator and a second fuel cell stack; the second gas-water separator acquires a gas-liquid mixture in the first fuel cell stack through a second anode hydrogen inlet pipe; gas-water separation is carried out on the gas-liquid mixture; the separated hydrogen is introduced into the second fuel cell stack through the first anode hydrogen outlet pipe to be subjected to a redox reaction with air to generate water and generate electricity; and unused hydrogen and water in the second fuel cell stack are introduced into the atmosphere, and the hydrogen exhausted in the hydrogen purging process is subjected to redox reaction again in the tail gas treatment device, so that the hydrogen exhausted from the tail gas of the fuel cell system is reduced. Therefore, the concentration of hydrogen exhausted in the hydrogen purging process can be reduced through the tail gas treatment device, and the overall safety of the system is improved.

The invention provides a battery separator, a preparation method thereof and a lithium ion battery, the battery separator comprises a separator substrate and a conductive coating coated on at least one surface of the substrate, the raw materials of the conductive coating comprise a binder and a conductive material, and the shape of the conductive material comprises at least one of zero dimension,one dimension and two dimension. The problem of static electricity generated in the use process of the partition plate can be effectively solved, the foreign matter adsorption probability is reduced,and the comprehensive quality of safety, circularity and the like of the battery is improved.

The invention provides a hybrid oil-electricity energy-saving power device which comprises a pedal, an engine, a gearbox, a speed reducer, a charge two-purpose motor, a motor controller, a storage battery and a power separator, wherein an automatic throttle controller is arranged on the engine, the engine is provided with a power generator, when the engine rotates at an idle speed, the charge two-purpose motor provides power for the running of a vehicle, meanwhile, the power generator carried by the engine can be used for charging the storage battery, when the vehicle runs through accelerating, the rotating speed of the engine is increased through the motor controller and the automatic throttle controller for carrying out oil-electricity hybrid power drive, when the vehicle slows down, the charge two-purpose motor can be used for carrying out reverse charge on the storage battery, and when electric quantity of the storage battery is insufficient, the engine singly provides power through a selector switch. The power system has excellent oil economy such that the running path is long after the vehicle is charged once, and accords with the trend of energy saving and environment friendliness.

A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating material, if it is a separator, is impregnated. The electricity-generating element is sealed in a battery case formed by a resin-laminated sheet comprising a metal layer as a barrier layer. Only a pair of lead terminals are drawn to the exterior of the battery case. The resin sheet comprises an oriented resin layer laminated on both surfaces of the metal layer. The inner heat-fused layers are opposed and heat-fused to each other. A molten and solidified resin mass is formed protruding from the inner end of the welded portion toward the inner space of the battery by 0.1 mm or more. Alternatively, the welded portion is formed thinner at the outer end thereof than at the inner end thereof.

The invention relates to a zero-carbon-emission LNG fuel power ship cold energy waste heat comprehensive gradient utilization system, and belongs to the technical field of energy utilization. The system comprises an LNG cold energy gradient utilization subsystem, a tail gas waste heat gradient utilization subsystem and a CO2 liquefaction capture subsystem; LNG and a secondary refrigerant are subjected to heat exchange, so that LNG cold energy gradient utilization is realized; a ship main engine is connected with a steam turbine through a heat exchanger to achieve tail gas waste heat gradient utilization; and CO2 generated by a ship main engine in the CO2 liquefaction capture subsystem is connected with a seawater desalination evaporator through the heat exchanger, and the seawater desalination evaporator is connected with a liquid CO2 storage tank through a steam-water separator to achieve CO2 liquefaction capture. The system can meet the requirements of ship electricity utilization, refrigeration house refrigeration, air conditioner refrigeration, seawater desalination and the like. Waste of LNG cold energy and tail gas waste heat is reduced, the ship energy utilization rate is increased, meanwhile, carbon emission is reduced, and energy conservation and emission reduction of the ship energy utilization system are achieved.

The invention relates to a melamine production device and a production technology, belonging to the technical field of preparation of melamine. According to the melamine production device, gas discharged from a trap is not subjected to scrubbing cooling but directly enters a carrier gas compressor to be boosted after impurities such as dust are separated by virtue of a gas-solid separator, and then the gas is subjected to heat exchange by virtue of a carrier gas heater and reaction gas from a hot gas filter and then enters a reactor; meanwhile, the other part of gas is boosted by virtue of a cold air blower and then returns to a crystallizer to be taken as quenching gas and used for crystallization of melamine, and the cold gas and the hot gas are reasonably utilized, so that consumption and waste of energy in a melamine production process are greatly reduced; the production technology provided by the invention is simple in process, and energy is reasonably utilized; and a melamine device with the capacity of fifty thousand tons per year can save about 3000-5000 tons coal per year, and on the basis, the cold air blower can save electricity by about 0.25-0.40 million kwh per year.

The invention discloses a system and a method used for producing high purity hydrogen via concentrated-solar-energy-driven high-temperature bubbling-type methane direct pyrolysis. According to the method, collecting lens is used for concentrating of sunlight onto a heat absorber so as to generate a high temperature heat source, a heat carrying fluid is introduced into the heat absorber, and is used for delivering high temperature heat energy into a specially-made bubbling-type reactor; in the specially-made bubbling-type reactor, production of solid state carbon nanoparticles and hydrogen gasis realized via methane direct pyrolysis, the carbon nanoparticles are left in the specially-made bubbling-type reactor and are collected, a mixed gas of hydrogen gas and unreacted methane is delivered into a hydrogen gas separator to obtain high purity hydrogen gas; the heat carrying fluid discharged from the specially-made bubbling-type reactor is relatively high in temperature, so that the heatcarrying fluid is used for generation of high temperature high pressure superheated steam via heating, and driving turbines to produce electricity; generated electricity is used for driving a heat carrying fluid circulation pump and a front booster pump, and the excess electricity is output into a electricity grid. The method is capable of producing high quality carbon nanoparticles, high purityhydrogen, and electricity, and realizing zero carbon discharge, large scale production can be realized; the method is friendly to the environment; and economic benefit is relatively high.

Alithium secondary battery for use in electric vehicle, includes: a battery case, and an electricity-generating body including a positive electrode, a negative electrode, and a separator, the positive and the negative electrode being wound or laminated via the separator so that the positive electrode and negative electrode are not brought into direct contact with each other. Each single battery has a ratio (X / E) of battery output X (W) and battery energy E (Wh), of 2 to 36 or a product (RxE) of battery internal resistance R (mOMEGA) and battery energy E (Wh), of 50 to 900 (mOMEGA.Wh). The lithium secondary battery is used in an electric vehicle as combined batteries formed by connecting a required number of the single batteries in series. The lithium secondary battery is designed so as to have a particular ratio of battery output and battery energy or a particular product of battery internal resistance and battery energy and thereby is capable of exhibiting performances necessary for electric vehicle, such as acceleration and the like when used as combined batteries obtained by connecting a required number of single batteries in series.

The invention provides a static electricity hair separator which comprises feeding equipment, a static electricity roller device arranged at the discharge end of the feeding equipment and an impurityadsorption device arranged below the static electricity roller device. The side, away from materials, of the static electricity roller device is connected with a high-pressure static electricity generator through a wire, and the high-pressure static electricity generator is used for forming a uniform electric field on the surface of the static electricity roller device. According to the static electricity hair separator, materials are fed to the static electricity roller device through the feeding equipment, impurities in the materials are adsorbed and separated out through the static electricity roller device, impurities adsorbed by the static electricity roller device are removed through the impurity adsorption device, the structure is simple, the occupied area is small, and cleaning isconvenient.

The invention discloses a system and a method for transcritical carbon dioxide power generation through the utilization of a gas-liquid separator and an ejector. The system comprises the gas-liquid separator, a compression pump, a compressor, a regenerator, a heater, a turbine, the ejector, a cooler and the expansion machine, wherein the compression pump is used for pressurizing and outputting a liquid-phase working medium; the compressor is used for pressurizing and outputting a gas-phase working medium; the regenerator is used for back-heating the working medium pressurized and outputted by the compression pump by utilizing the heat of a working medium outputted by the turbine; the heater is used for heating the working medium outputted from a cold flow outlet of the regenerator to a preset temperature; the turbine is used for driving a power generator to generate electricity; the ejector is used for pressurizing the working medium outputted from a heat flow outlet of the regenerator by utilizing the working medium pressurized and outputted by the compressor; the cooler is used for cooling a fluid of the working medium pressurized and outputted by the ejector; and the expansion machine is used for doing work by utilizing the expansion of the working medium outputted from a heat flow outlet of the cooler. According to the system for transcritical carbon dioxide power generation, the condensation cost of the system can be reduced; and meanwhile, the circulation efficiency of the system can be improved.

The invention relates to a polysulfone nano-fiber diaphragm for a lithium battery and a preparation method of the polysulfone nano-fiber diaphragm, and belongs to the technical field of lithium battery diaphragms. The polysulfone nano-fiber diaphragm for the lithium battery is prepared by the steps of dissolving one or more polysulfones with any proportion in a polar organic solvent and then performing electrostatic spinning. The polysulfone nano-fiber diaphragm is characterized in that the thickness is 10-50Mum, the diameter is 100-300nm, the elongation at break is 15-25%, the thermal decomposition temperature is 250-350 DEG C, the porosity is 20-90%, the mechanical tensile strength is 15-20MPa, and the electric breakdown strength is 1*107-1.5*107v / m. The polysulfone nano-fiber diaphragm for the lithium battery has the advantages of resisting to tearing, thermal contraction, high temperature and high-voltage large-current overcharge (electricity), and also has good homogeneity and high porosity.

Provided is an inexpensive electricity storage device which, in a plan view, does not have a rectangular shape. This electricity storage device 1 is equipped with: a first wound body 31 formed by winding a portion of a laminate body 4 having a positive electrode 11, a negative electrode 12, and a separator 13 arranged between the positive electrode 11 and the negative electrode 12; and a second wound body 32, which is a wound body formed by winding at least a portion of the portion of the laminate body 4 not forming the first wound body 31, and the length of which in the winding axis directionand / or the position of which in the winding axis direction differs from that of the first wound body 31.

A porous film wherein the electrolytic solution absorption height in the lengthwise and / or widthwise direction of the film is 10 to 60mm as determined 30 minutes after the initiation of absorption of the electrolytic solution, and the breaking strength in the lengthwise direction is 65MPa or more. The porous film exhibits high absorptivity for an electrolytic solution. When used as a separator, the porous film ensures excellent cell characteristics and excellent cell fabrication.

Embodiments of methods for capturing high-purity CO2 in a hydrocarbon facility and related systems are provided. The method comprises operating a hydrogen plant to generate a high-purity hydrogen stream and a CO2 rich stream with a CO2 concentration above 30%; introducing the high-purity hydrogen stream into an anode of a molten carbonate fuel cell; introducing the CO2 rich stream and O2 into a cathode of the molten carbonate fuel cell; reacting CO2 and O2 within the cathode to produce carbonate and a cathode exhaust stream from a cathode outlet; reacting carbonate from the cathode with H2 within the anode to produce electricity and an anode exhaust stream from an anode outlet, the anode exhaust stream comprising CO2 and H2O; separating the CO2 in the anode exhaust stream in one or more separators to form a pure CO2 stream and a H2O stream; and collecting the pure CO2 stream.

Provided are: an electricity storage device separator containing a silane-modified polyolefin and characterized in that the silane crosslinking reaction of the silane-modified polyolefin commences upon contact with an electrolyte; and a method for manufacturing the separator.

Devices that convert heat into electricity, and methods for a fabrication of the same are provided. The asymmetric thermo-electrochemical capacitor uses a GO-based positive electrode and a battery-type negative electrode to open up the operating voltage window and enhance the electrical discharge capacity for converting low-grade heat into electricity with excellent efficiency, fast thermo-charging time, and stable cycles. The thermo-electrochemical device includes a carbon-based positive electrode, a conductive polymer or a metal-organic framework as negative electrode, a current collector, and a porous separator.

The invention discloses an efficient gas-liquid separator for chemical engineering production. The efficient gas-liquid separator comprises a horizontal tank, a gas inlet pipe is arranged on the leftsidewall of the horizontal tank, a gas outlet pipe is arranged at the right side of the top of the horizontal tank, a left liquid outlet pipe and a right liquid outlet pipe are arranged at the right side of the bottom of the horizontal tank, a baffle plate and uniformly-distributed upper wave-proof plates are arranged at the top of the inner cavity of the horizontal tank, the upper wave-proof plates are positioned between the baffle plate and the gas outlet pipe, a rotating shaft is arranged on the rear sidewall of the horizontal tank in a penetrating manner through a sealing bearing, impellers are arranged on the outer wall of one end, in the horizontal tank cavity, of the rotating shaft, one end, located outside the horizontal tank, of the rotating shaft is connected to an electric generator, uniformly-distributed lower wave-proof plates and an overflow partition plate are arranged at the bottom of the inner cavity of the horizontal tank, the lower wave-proof plates are located at the left side of the overflow partition plate, a mist catcher is arranged at a position, located at the bottom of the gas inlet end of the gas outlet pipe, of the top of the inner cavity of the horizontal tank, and a water inlet pipe is arranged at the left side of the top of the horizontal tank. When gas-liquid separation is performed, the reasonably combined electric generator is applied to utilize a condensate-containing gas to generate electricity.

According to the present invention, a microporous membrane contains a polyolefin resin and inorganic particles; the primary particle diameter of the inorganic particles is 100 nm or less; the content of the inorganic particles is 10-60% by mass or 10% by mass or more but less than 40% by mass based on the mass of the microporous membrane; and the retention time at 150° C. is less than 200 seconds or the retention time at 145° C. is more than 1 second but less than 300 seconds in the thermal behavior evaluation of the microporous membrane.

Provided are: a separator for electricity storage devices, which has excellent tear strength, compactness and resistive properties; and an electricity storage device which is provided with this separator for electricity storage devices. A separator for electricity storage devices is configured from regenerated cellulose fibers, which are able to be fibrillated by beating, so that the CSF value X (ml) and the relative tear strength Y (mN-m2 / g) are within the ranges that satisfy the formulae shown below. In addition, an electricity storage device, in which a separator is interposed between a pair of electrodes, is configured using this separator for electricity storage devices. 0 <= X <= 150 Formula 1 10 <= Y <= 70 Formula 2 Y >= 0.3X-5 Formula 3.

The invention discloses a cascade energy-storage type air source heat pump direct-condensation floor heating system, which comprises an evaporator (1), a four-way reversing valve (2), a gas-liquid separator (3), a compressor (4), a solenoid valve (5), a cascade phase change floor (6), a liquid storage device (7), a filter (8) and an expansion valve (9), wherein a cascade energy-storage structure is arranged in the cascade phase change floor (6), and heat is stored in the cascade phase change floor (6). Compared with the prior art, the cascade energy-storage type air source heat pump direct-condensation floor heating system can save the space of a heat storage water tank, in addition, stored heat can be directly used for heat supply, a heat pump does not need to be started, the electricityconsumption and the operation cost of the system during a daytime peak electricity period can be effectively lowered. The utilization of the cascade phase change floor can realize cascade heat storage, a heat storage rate is improved, the heat releasing time of a phase change material can be prolonged, and heat can be slowly released so as to be favorable for indoor thermal comfort.

There is provided a battery including a positive electrode, a negative electrode, a separator at least including a porous film, and an electrolyte. The positive electrode includes a positive electrode current collector having a pair of surfaces, and a positive electrode active material layer provided on each of the surfaces of the positive electrode current collector. The positive electrode active material layer contains a positive electrode active material. The positive electrode active material layer has an area density S [mg / cm2] more than or equal to 30 mg / cm2. The porous film included in the separator has a porosity ε [%] and an air permeability t [sec / 100 cc] which satisfy a predetermined formula.