48results about How to "High energy ratio" patented technology

A sponge-like pad used for cleaning and other wiping and polishing applications is disclosed. The sponge-like pad is made from a plurality of textured paper webs attached together at selected locations. The paper web can be, for instance, a highly textured throughdried paper web containing high-yield fibers and a wet strength agent. In one embodiment, the stacked plies can be contained within a cover material that is liquid pervious. The sponge-like product of the present invention can be used alone or it can be incorporated into a cleaning tool, such as a mop.

The invention provides an extended-range battery pack system of a battery electric vehicle, and relates to the technical field of battery electric vehicles. The extended-range battery pack system of the battery electric vehicle comprises a main battery system and an extended-range battery pack system which are connected in parallel through a high-voltage switch, wherein the extended-range battery pack system adopts a voltage platform, and a battery model and the number of designed strings of the voltage platform are the same as those of the main battery system, so that the voltage platform is matched with the main battery system; and the extended-range battery pack system is configured with auxiliary management boards, and the auxiliary management boards are used for collecting voltage and temperature of each battery pack in the extended-range battery pack system, uploading data to a BMS (battery management system) mainframe of the main battery system, performing computation and judgment in the BMS mainframe, controlling the high-voltage parallel-connection switch and managing inputting and removal of the extended-range battery packs. The battery electric vehicle is powered by the battery packs at ordinary time, and keeps higher energy conversion efficiency; and when farther travelling is required, the extended-range battery pack system can be mounted at any time, due to the smaller configuration capacity of each extended-range battery pack, the vehicle cannot be driven by the extended-range battery pack system independently, and accordingly, the original battery packs and the extended-range battery packs are connected in parallel to supply power to the vehicle.

A waveguide has a core through which laser light can propagate in a TM mode, that has a rectangular cross section perpendicular to a propagative direction of the laser light, and through which the laser light can propagate in a fundamental mode in which only one portion exists on the cross section of the core where a light intensity of the laser light becomes maximal, and a higher order mode in which two or more portions exist where the light intensity becomes maximal, a clad surrounding the core, and a light absorbing element in the clad, and wherein a distance between the light absorbing element and the core is shorter than a penetration length of evanescent light in the higher order mode, but is longer than a penetration length of evanescent light in the fundamental mode.

A new electrical recycling apparatus for AC / DC power converter is provided to recycle the electricity in direct current to the input ends of the power converter to be tested to save a stage of power converter and avoid the complicated standard and requirement that feed the electricity to the mains supply.

A high-power electromagnetic pulse transmitting device for use in a downhole, the device including a ground instrument and a downhole instrument. The ground instrument, with an industrial control computer as the core, includes a depth / magnetic mark / GPS signal recording module, a Manchester coding and decoding module, and a cable drive module, wherein the depth / magnetic mark recording and the Manchester coding and decoding modules communicate respectively through two serial ports with the industrial control computer, and the cable drive module communication for the downhole instrument through four cables by means of phantom power supply. The downhole instrument includes, in turn, from front to rear: an AC voltage boosting module, a rectifier, an energy storage capacitor, a transmitting coil, and a data acquisition module, and further includes a high-voltage discharge switch and a computer-manipulated controller. Power supply of the downhole instrument is provided by the ground instrument through cables.

A quasi-self focusing high intensity and large power ultrasonic transducer. It includes a backing and piezo-electric crystal sheets. The backing has double layer structure and there is an air cavity between the layers. At least four piezoelectric crystal sheets are adhered tightly on the inside focusing face of the backing. A protective layer is covered on the surface of the sheets.

The invention discloses an uninterrupted power supply system and method with the mixture of a fuel cell and a super capacitor. The system comprises mains supply, a power conversion system, a backup power supply and a load. The fuel cell and the super capacitor are used as a backup power supply, when the mains supply is cut off, the small-capacity long-life supercapacitor can instantaneously supplypower to the load, a condition that the fuel cell directly drives the load to carry out cold start is avoided, the response time of the uninterrupted power supply system is reduced, and the safety and life of the fuel cell are improved. A mature average current mode, constant frequency control and voltage outer loop current inner loop double-closed-loop control are used by an active power factorcorrection circuit, the system has the advantages of a small volume, low power consumption, high efficiency, a high power factor, small total harmonic distortion an high safety and reliability, the uninterrupted power supply for a long time can be ensured, the control of a power tube of the invention is simple to realize, the numbers of diodes and power tubes are small, the cost is low, the efficiency is high, and the safety and reliability are high.

The invention provides a replacement gilt mixture capable of increasing breeding rate and a preparation method thereof and relates to the field of feed. The replacement gilt mixture is composed of, by weight, 31-56 parts of corn, 11-26 parts of husked barley, 3-15 parts of bran, 2-8 parts of NO.3 powder, 0.01-0.1 part of flavone, 0.01-0.05 part of curcumin and 0.02-0.07 part of probiotic. The replacement gilt mixture can effectively increase rate of utilizing feed nutritional ingredients by sows, can improve growing performance, nutritional substance digestion rate and intestinal health of the sows and can increase ovulation and farrowing number and improve reproductive performance of the sows.

A high-efficiency direct-fired thermoelectric semiconductor power generator comprises a heat collector, a radiator and a thermoelectric module. The heat collector with a collector cover (4) and fins (12) is used for collecting heat, the radiator (8) with fins and a fan (7) is used for radiating heat, the thermoelectric module (9) is mounted above the heat collector (10), graphite paper is stuck on both a cold face and a hot face of the thermoelectric module (9), the hot face of the thermoelectric module (9) is attached to the heat collector (10) through the graphite paper, the cold face of the thermoelectric module (9) is attached to the radiator (8) through the graphite paper, the fan (7) is mounted outside the radiator (8), and the thermoelectric module (9) is connected with a socket (6) through a lead to deliver electric energy to the outside. The high-efficiency direct-fired thermoelectric semiconductor power generator is stable in provided voltage, simple in structure, long in service life, small in size and convenient to carry and economically affordable, and applied to places without power supply and being badly in need of electric power, such as outdoors, remote areas and emergency situations where electricity can be directly generated only by requiring fire sources for supplying heat.

The invention provides a laminated flexible-package battery which comprises an anode piece, a cathode piece, a membrane, an electrolyte and an external package structure, wherein the external package structure packages the anode piece, the cathode piece, the membrane and the electrolyte; the anode piece, the cathode piece and the membrane are laminated; the anode piece and the cathode piece are respectively located on the two sides of the membrane, and bonded with the membrane; the anode piece comprises a flaky anode current collector and an anode material layer; the anode material layer is arranged on two opposite surfaces of the anode current collector; the surface density of the anode material layer is 362-367g / m<2>; and the compaction density of the anode material layer is 2.38-2.40g / cm<3>. Compared with the prior art, the battery has a high-quality energy ratio, can instantly release high energy, and can adapt to quick charging and quick discharging of an electromobile; the service life of the battery is free from an influence of multiplying power charging and discharging; the high compaction density is adopted, so that the battery has good electron conductivity and quick ion actuation during heavy current discharging; discharging polarization is reduced; discharging platform voltage is increased; and multiplying power discharging performance is improved.

The invention discloses a cylindrical lithium ion power battery with high energy ratio and long service lifetime. The height-diameter ratio of the cylindrical lithium ion power battery is 3.8-4.2. A battery core of the cylindrical lithium ion power battery comprises a positive coating, a positive tab, a negative coating, a negative tab and a diaphragm, wherein the diaphragm is arranged between a positive electrode and a negative electrode, the negative coating is wider than the positive coating and asymmetrically coats the positive coating, the distance, exceeding the front end of the positive coating, of the negative coating at a positive end is smaller than the distance, exceeding the front end of the positive coating, of the negative coating at a negative end, the battery core is accommodated in a closed space formed by an aluminum shell and a cover plate, the cover plate is sealed by dual rivets, the cover plate is provided with a groove at a position where pole posts are riveted, the groove is used for filling an insulation material at a riveting position, and a bevel angle is formed on the end surface of the aluminum shell. The invention provides the cylindrical lithium ion power battery with high energy ratio and long service lifetime, the capacity of a single battery is improved, meanwhile, the safety of the battery is considered; and the riveting mode of the cover plate and the end surface processing technique of the aluminum shell are optimized, the processing difficulty of the battery is reduced, and the production efficiency is improved.

The invention discloses a cylindrical-structure lithium ion battery and a preparation method thereof. The cylindrical-structure lithium ion battery comprises a cylindrical cell externally coated with a packaging film; a positive tab and a negative tab of the cell penetrate through the packaging film; the positive tab and the negative tab are arranged on the side wall of the cell and parallel with the axis of the cell and has the same orientation with the cell axis. Adoption of the cylindrical-structure lithium ion battery and the preparation method thereof abandons steel shell structure batteries with high cost, heavy weight and poor safety and soft-packaged batteries with a low energy ratio; the cylindrical-structure lithium ion battery and the preparation method thereof have the advantages of higher safety and energy ratio and longer service life.

A business methodology for optimizing enzyme use rates and enzyme supply and reducing greenhouse gas emissions for an industrial process that employs enzymes as part of the production process by changing the concentration, specific gravity and / or activity of an enzyme prior to, and just-in-time for, the addition of said enzyme to a reactor wherein an enzyme-catalyzed reaction occurs. After collecting data that describes the extent to which enzyme consumption has decreased as a result of the change in concentration, specific gravity and / or activity of said enzymes, the enzyme user can pay to the provider of technology that allows enzyme consumption to decrease, a proportion of the savings.

The Hydrodynamic closed loop turboset-selfbooster comprises one or more axial bispindle multistage hydrolic turbines (20A, 20B) placed into a common closed-loop tubular tunnel (26B) with an axial-flow propeller pump (27) which works in self-series, as a self-booster impelling high potential operating liquid, filled inside the tunnel. The natural accumulative turbotechnology provides high energy ratio and thus profound general efficiency. The proposal leads to: (a) wide range of universal power units including perfect hydraulic turbines and effective motors for vehicles and other means instead of ineffective heat engines, (b) prospective gradual elimination of fuels for many kinds of power units, (c) ecological purity without any harm emissions and pollutions, (d) multiple high efficient design versions of different power levels, various performances and diverse purposes.

The invention relates to a battery utilizing a chlorine-containing ionic liquid as a positive active material and an assembling method of the battery. The battery comprises a positive electrode chamber and a negative electrode chamber spaced by a cation exchange membrane, wherein an electrolyte in the positive electrode chamber contains the chlorine-containing ionic liquid, and an ionic liquid electrolyte is injected into the negative electrode chamber. The chlorine-containing ionic liquid is prepared from elemental chlorine and organic salt through a reaction. According to the battery, the ionic liquid is taken as the electrolyte, the chlorine-containing ionic liquid is taken as the positive active material, aluminum or magnesium is taken as a negative electrode, and the aluminum and magnesium electrodes are free of passive membranes in the ionic liquid, so that the battery has higher reversibility; the battery is in a cheap and environment-friendly battery system with high energy ratio.

A quasi-self focusing high strength large power ultrasonic transducer including a backing and a plurality of piezo-electric crystal sheets is disclosed. The backing has a double layer structure with an air cavity between the layers. At least four piezoelectric crystal sheets of the plurality of piezo-electric crystal sheets are adhered on an inside focusing face of the backing with a protective layer covering the surface of the sheets.

A novel structure for connecting a foil electrode tab winding type battery pole set and a cover plate is disclosed. The structure includes a positive electrode pressing plate, a negative electrode pressing plate, a positive electrode rubber mat, a negative electrode rubber mat, the cover plate, a positive electrode rivet, a negative electrode rivet, a positive electrode sealing mat, a negative electrode sealing mat, a positive electrode connecting claw, a negative electrode connecting claw, connecting pieces, and the pole set. The positive electrode rivet passes through the positive electrode sealing mat, the positive electrode connecting claw, the cover plate, the positive electrode rubber mat and the positive electrode pressing plate in order and then is riveted. The negative electrode rivet passes through the negative electrode sealing mat, the negative electrode connecting claw, the cover plate, the negative electrode rubber mat and the negative electrode pressing plate in order and then is riveted. The connecting pieces are connected to the pole set through ultrasonic welding, and then the connecting pieces of positive and negative electrodes are connected to the positive electrode connecting claw and the negative electrode connecting claw respectively through ultrasonic welding or laser welding. Beneficial effects of the novel structure include 1) a high battery energy ratio, 2) a low price and 3) high process implementability.

The invention provides a conversion circuit and device for converting a lithium battery into a dry battery. The conversion circuit for converting the lithium battery into the dry battery comprises anRC module, a charging module, a discharging control module, a discharging module, a charging and discharging detection module, a display module, a lithium battery module and a lithium battery protection module. The input and output ends of a system are coupled with the RC module, the charging and discharging detection module, the display module and the discharging module; the RC module is coupledwith the charging module; the charging module is coupled with the discharging control module, the charging and discharging detection module, the display module and the lithium battery protection module; the discharging module is coupled with the discharging control module, the lithium battery protection module is coupled with the lithium battery module, and the discharging control module controlsthe connection and disconnection of a discharging circuit. According to the conversion circuit and device, the repeated use of the battery can be achieved.

The invention discloses a power exchange module and an electric vehicle comprising the same. The power exchange module comprises a quick-change bracket and a battery pack; The battery pack is installed on the quick-change bracket; The manufacturing method of the quick-change bracket is as follows: the aluminum profile is made into a workpiece through an extrusion process; Heat treatment of the extruded workpiece; Machining the workpiece after heat treatment; Tailoring and welding the machined workpieces together; Surface treatment of the tailor-welded workpiece to obtain a quick replacement bracket; The manufacturing method of the frame of the battery pack is as follows: the aluminum profile is made into a workpiece through an extrusion process; Heat treatment of the extruded workpiece; Machining the workpiece after heat treatment; Tailoring and welding the machined workpieces together; Surface treatment of tailor-welded workpiece. The tailor-welded parts are joined together to obtaina frame. The power exchange module adopts aluminum extrusion process, which not only greatly reduces the processing cost, but also improves the energy ratio of the battery pack.

An abnormality detection apparatus calculates an actually supplied electrical energy defined as the integrated value of electrical power actually supplied to the electrically heated catalyst over a specific period from the time when the supply of electrical power to the electrically heated catalyst is started and a target electrical energy in the specific period, and further calculates, from these integrated values, an accomplishment parameter relating to the ratio of the actually supplied electrical energy to the target electrical energy. The abnormality detection apparatus detects an abnormality of the electrically heated catalyst by comparing the accomplishment parameter with a specific threshold. The abnormality detection apparatus is configured to set the specific threshold according to the temperature of the electrically heated catalyst at the time when the supply of electrical power is started.

The invention provides a conversion circuit and device for converting a lithium battery into a dry battery. The conversion circuit for converting the lithium battery into the dry battery comprises a charging module, a discharging module, a lithium battery module and a charging and discharging detection module, the input and output ends of the conversion circuit for converting the lithium battery into the dry battery are coupled with a first input end of the charging module, an output end of the discharging module and a first input end of the charging and discharging detection module; the lithium battery module is coupled with an output end of the charging module, a first input end of the discharging module and a second input end of the charging and discharging detection module; a first output end of the charging and discharging detection module is coupled with a second input end of the charging module, and a second output end of the charging and discharging detection module is coupledwith a second input end of the discharging module. According to the invention, the repeated use of the battery can be realized, and the problems of relatively low overall benefit and serious environmental pollution of a disposable battery are solved.

The invention discloses a novel structure of a round soft-shell battery, and the structure comprises a shell made of thinner metal material; a metal reinforcing ring is additionally arranged on the outer side of the sealing part of the shell, the metal reinforcing ring is tightly matched with the shell to form a thick and thin double-layer reinforcing structure, and the novel structure comprises atop cover made of thinner metal material; a metal supporting ring is additionally arranged on the inner side of the sealing part of the top cover; the metal supporting ring is tightly matched with the sealing part to form a thick and thin double-layer reinforcing structure; according to the designed novel structure of the round soft-shell battery, the sealing strength can be improved, the internal pressure can be stabilized, and the use safety can be improved.

The invention relates to a negative electrode material applicable to a water-based sodium-ion battery, and belongs to the field of batteries. The negative electrode material comprises a sodium ion embedded compound, a hydrogen evolution inhibitor, a binder and a conducting material, wherein the sodium ion embedded compound is a compound of an NASICON structure and is selected from at least one ofLiTi2(PO4)3 and NaTi2(PO4)3, and the weight proportion occupied in the negative electrode is 70% to 80%; the hydrogen evolution inhibitor is selected from at least one of bismuth sulfide and stannic oxide, and the weight proportion occupied in the negative electrode is 2% to 10%. The water-based sodium-ion capacitor battery assembled by using the negative electrode material has the characteristicsof high electrochemical energy, long service life, good cycle performance and the like, high coulombic efficiency still can be maintained when the charging upper limit voltage is close to 2.0 V, andgood electrochemical cycle performance can be maintained.

The invention relates to a battery taking iodine-containing ionic liquid as a positive electrode active material and an assembling method thereof. The battery comprises a positive electrode chamber and a negative electrode chamber, which are separated through a cation-exchange membrane; electrolyte of the positive electrode chamber comprises the iodine-containing ionic liquid; ionic liquid electrolyte is injected into the negative electrode chamber. The iodine-containing ionic liquid in the battery provided by the invention is obtained by taking an iodine monomer and organic salt to react. According to the battery provided by the invention, the ionic liquid is used as the electrolyte, the iodine-containing ionic liquid is used as the positive electrode active material, aluminum or magnesium is used as a negative electrode, and aluminum and magnesium electrodes have no passivation films in the ionic liquid so that the battery has relatively high reversibility; the battery is a cheap, environment-friendly and high-energy-ratio battery system.

The invention relates to a battery using bromine-containing ionic liquid as a positive electrode active material and an assembly method thereof. The battery includes a positive electrode chamber and a negative electrode chamber separated by a cation exchange membrane; the electrolyte in the positive electrode chamber contains bromine-containing an ionic liquid, and the negative electrode chamber is injected with an ionic liquid electrolyte. The bromine-containing ionic liquid in the present invention is obtained by reacting bromine simple substance with an organic salt. The present invention adopts ionic liquid as electrolyte, uses bromine-containing ionic liquid as positive electrode active material, and uses aluminum or magnesium as negative electrode. Aluminum and magnesium electrodes do not have passivation film in ionic liquid, so they have high reversibility; The invention is a cheap, environmentally friendly, high energy ratio battery system.