38results about How to "Reduce internal resistance" patented technology

A composite composition for use in an electrode for electrochemical capacitors, comprising: (a) an electrochemically active material; and (b) exfoliated graphite flakes that are substantially interconnected to form a porous, conductive graphite network comprising pores, wherein at least a portion of the active material resides in a pore of the network. The composite composition is characterized by having liquid accessible pores which provide a surface area greater than about 200 m²/gm, preferably greater than 500 m²/gm, more preferably greater than 1000 m²/gm, and most preferably greater than 1000 m²/gm. Also disclosed is a capacitor that includes at least an electrode comprising such a composite composition. A supercapacitor featuring such a composite electrode exhibits an exceptionally high capacitance value and high electrical conductivity.

The invention relates to a novel modified non-woven fabric lithium-ion battery diaphragm. The diaphragm comprises a modified non-woven fabric base material and a filling agent compounded on the modified non-woven fabric base material, wherein the modified non-woven fabric base material comprises a low-smelting-point material and a high-smelting-point material; the low-smelting-point material is subjected to melt crystallization treatment and the weight of the high-smelting point material accounts for 85-99.9% of the total weight of the base material; the residual amount is the low-smelting point material; the filling agent compounded on the modified non-woven fabric base material comprises organic polymer, a first filling material and/or a second filling material. The invention further relates to a preparation method of the battery diaphragm. The preparation method sequentially comprises the following steps: manufacturing a non-woven fabric fiber layer; manufacturing the modified non-woven fabric base material; preparing filling agent slurry; filling; removing a solvent; and carrying out post-treatment. The method is simple in operation and low in cost; a prepared product is low in water content, good in chemical stability and high in mechanical strength; the finished product rate of a battery is increased, the service life is prolonged and the safety is improved.

A lithium secondary battery (10) provided by the present invention includes a current interruption mechanism (40) operated by a rise in internal pressure. A positive electrode (32) of this battery (10) has a positive electrode mixture layer containing lithium carbonate, a conductive material and a positive electrode active material consisting primarily of a lithium-transition metal oxide. The lithium carbonate is disposed on the surface of the conductive material. Such a positive electrode mixture layer can preferably be fabricated using a positive electrode mixture composition containing a positive electrode active material and a composite conductive material comprising lithium carbonate retained on the surface of a conductive material.

A secondary battery in which temperature rise (heat generation) can be measured accurately at the time of quick charge/discharge, and a battery which can be configured readily using the secondary batteries while realizing low resistance. Separately from the positive and negative electrode terminals of a flat laminate film secondary battery, a third terminal is fixed perpendicularly thereto. The third terminal is connected with the electrode current collecting parts of a power generating element body constituting the secondary battery (1) and imparted with a potential equal to that of any one of the positive and negative electrode terminals. Inner temperature of the secondary battery is determined by measuring the temperature of the third terminal and a cell balancer circuit, or the like, is connected with the third terminal. The battery is configured by connecting the positive and negative electrode terminals directly in series.

The present invention is an electrode for electric double layer capacitors wherein a polarizable porous sheet composed of constituent materials including a carbonaceous electric double layer-forming material, a carbon material for ensuring conductivity, and a binder is integrated to at least one surface of a collector via a conductive intermediate layer; and is characterized in that the conductive intermediate layer contains a synthetic rubber and two more kinds of carbon materials having different particle diameters. According to the present invention, the electrode can be readily manufactured in a continuous manner with high heat resistant adhesion between the polarizable porous sheet and the collector and a low internal resistance; and when used in an electric double layer capacitor, it is possible to obtain an electrode capable of ensuring a higher capacity and lower internal resistance than is conventionally achieved.

The invention relates to a rapid soybean milk making method of a soybean milk maker. A cooking stage also includes the step of overflow prevention, the hot air in a pulverizer is sucked away by a sucking pump, the outside cold air rapidly enters the pulverizer via an air inlet under the difference between the outside air pressure and the air pressure in the pulverizer, the air which flows at high speed breaks rising soybean milk bubbles and decreases the surface temperature of the soybean milk liquid, so that overflow is prevented, consequently, the hot steam of cooking is sucked away by the sucking pump, the surface temperature of the soybean milk bubbles is decreased, the bubbles rapidly expand and break according to the principle of thermal expansion and contraction when the gas temperature in the bubbles is higher than the outside temperature, negative pressure is generated in the pulverizer as the hot steam is sucked away, the outside air is formed into high-speed airflow under the effect of pressure difference and is rapidly replenished into the pulverizer, the high-speed airflow also can break the bubbles of the soybean milk liquid, and thereby the efficiency of overflow prevention is increased greatly.

There is provided a plasma display device which can improve a brightness characteristic and a driving method thereof, where a screen load is detected and a rising time or a falling time of a sustain pulse changes depending on the detected screen load. A rising time or a falling time of a sustain pulse is extended when the screen load is large, compared to when the screen load is small. Therefore, brightness and discharge efficiency of a plasma display device can be enhanced when the screen load is large and a voltage margin can be enhanced while having a stable brightness characteristic when the screen load is small, so that a picture quality characteristic can be improved while enhancing driving efficiency of a plasma display panel.

The invention provides a gear shifting actuator, and belongs to the technical field of gear shifting actuators for vehicles. The gear shifting actuator comprises a base, an upper cover, a transmissionunit, a power unit and a control unit, wherein the base is provided with an installation block connected with a gearbox; the upper cover is arranged on the base, and a sealed cavity is formed betweenthe base and the upper cover; the transmission unit is connected with the base and located in the sealed cavity, the transmission unit is provided with an output end, and the output end is used for being connected with the gearbox; the power unit is arranged in the sealed cavity and in linkage connection with the transmission unit; the control unit is electrically connected with the power unit, and the control unit senses the action of the transmission unit and controls the power unit to move. The gear shifting actuator has the benefits that transmission is conducted by using a non-worm-gearstructure, the internal resistance of the actuator is low, and the gear transmission can be more precise and more thorough.

The invention discloses an oil-gas separator which comprises an outer shell of which the side part is provided with a gas mixture inlet and the top is provided with an exhaust gas outlet, wherein the lower part of the inner cavity of the outer shell is fixedly provided with a plurality of baffles which obliquely protrudes upwards in opposite and are arranged at intervals in a staggered mode; the protruding ends of the baffles are overlapped on the vertical projection; the protruding end of each baffle is provided with a cambered section of which the inner cambered surface is arranged downward; the baffles divide the inner cavity of the outer shell into circuitously upward channels; the upper part of the inner cavity of the outer shell is provided with a filter screen; and the bottom of the outer shell is provided with an oil discharge outlet. The oil-gas separator can lower the blockage risk of the filter screen, reduce the internal resistance of the gas mixture passing through the inner cavity of the outer shell, prolong the time interval for cleaning or replacing the filter screen, and lower the maintenance cost.

The invention provides an active wheel following control method and system for a planet probe vehicle and a planet probe vehicle, which relate to the technical field of robot control. The method comprises the following steps that one or more wheels of the planet probe vehicle is optionally selected as supporting wheels, the rotating speed of the supporting wheel is adjusted, so that the real-timehook traction force Fx of the supporting wheel approaches the target hook traction force Fxd, the driving force and the resistance of the supporting wheel to the planet probe vehicle are reduced, andthe supporting wheel is used for providing supporting force for the planet probe vehicle body. By the adoption of the method, the supporting wheels only provide supporting force for the vehicle body,under the conditions that the number of the wheels is increased and the average load of the wheels is reduced, internal force confrontation between the wheels is reduced, and the planet probe vehicleis ensured to have high moving efficiency.

The invention provides an air duct component and an air conditioner. The air duct component comprises an air duct body and fan blade assemblies, wherein the air duct component is provided with a circulation channel, the end plane of the first end of the air duct body is perpendicular to the axis of the circulation channel, a notch is formed in the side wall of the air duct body, the side wall, extending in the axis direction of the circulation channel, of the notch and the end plane are arranged in a stepped mode, the multiple fan blade assemblies are arranged in the circulation channel and are arranged at intervals in the axial direction of the circulation channel, and one of the multiple fan blade assemblies is located at the first end of the air duct body and protrudes out of the end plane. According to the air duct component, the air flow inlet direction and the air flow outlet direction can be switched, the fan blade assembly at the first end of the air duct body has the axial andradial air suction function, the efficiency of the fan blade assembly is improved, and meanwhile the effects of flow guide and noise reduction are achieved.

The invention discloses an oil-gas separator which comprises an outer shell of which the side part is provided with a gas mixture inlet and the top is provided with an exhaust gas outlet, wherein the lower part of the inner cavity of the outer shell is fixedly provided with a plurality of baffles which obliquely protrudes upwards in opposite and are arranged at intervals in a staggered mode; the protruding ends of the baffles are overlapped on the vertical projection; the baffles divide the inner cavity of the outer shell into circuitously upward channels; the upper part of the inner cavity of the outer shell is provided with a filter screen, and the bottom of the outer shell is provided with an oil discharge outlet; the outer shell is cylindrical and is composed of an upper section and a lower section; the diameter of the lower section is smaller than that of the upper section; the baffles are installed in the lower section, and the filter screen is installed in the upper section; the inner cavity wall of the upper section is provided with an inward convex annular boss; and the filter screen is installed on the annular boss. The oil-gas separator can lower the blockage risk of the filter screen, reduce the internal resistance of the gas mixture passing through the inner cavity of the outer shell, prolong the time interval for cleaning or replacing the filter screen, and lower the maintenance cost.

An active material according to one aspect of the present invention includes a core region; and a shell region, in which an amount of transition metals in the core region is more than an amount of transition metals in the shell region, and an amount of oxygen deficiency in the shell region is more than an amount of oxygen deficiency in the core region.

A natural induced air smoke exhaust device capable of being adaptive to the wind direction and adjusting resistance in a linkage mode is characterized in that the natural induced air smoke exhaust device comprises an air inlet pipe rotating along with the wind direction, a horn-shaped air inlet is formed in the lower end of the air inlet pipe, the upper end of the air inlet pipe is connected with the lower end of a vertical pipeline through a bearing in a sleeved mode, and the air inlet pipe pivots relative to the vertical pipeline; the air inlet pipe wall on the opposite side of the air inlet is provided with a vertical wind wing; a fixing support is arranged in the middle of the vertical pipeline, a supporting rod is arranged on the fixing support, an oscillating bar is hinged to the end of the supporting rod, a reset spring is arranged at the hinged position, a flue gate is fixed to the upper end of the oscillating bar, and the flue gate can reset to the half-aperture original position through the reset spring; the lower end of the oscillating bar extends to make single-face contact with the vertical wind wing; a flue and the vertical pipeline are converged at the upper portion of the vertical pipeline in the 45-degree included angle.

An improvement of lithium polymer secondary battery is disclosed. The Li-polymer battery is composed of an anode sheet, a cathode sheet and a separator film sandwiched therebetween. The anode sheet includes a positive collector and a pulp coated thereon, which is formed by positive material, conductive material, glue and solvent. The cathode sheet includes a negative collector and a pulp coated thereon, which is formed by negative material, conductive material, glue and solvent. The separator film includes glue and solvent for adhering between the anode sheet and cathode sheet. The anode and cathode sheet are provided with holes uniformly arranged. The holes are formed by using a knife to penetrate the sheets. The holes make the electrolyte easy to permeate through so that the internal resistance of battery can be reduced.

The invention discloses a cylindrical four-way powder distributing valve which comprises a valve shell, a first swing door, a second swing door and a driving part, wherein the inner wall of the valve shell is of a cylindrical structure, a powder inlet, a first outlet, a second outlet and a third outlet are sequentially formed in the side wall of the valve shell, and the second outlet and the third outlet are separated through a partition part; the first swing door and the second swing door are arranged in the valve shell and rotationally connected with the valve shell. One end of a rotating shaft of the first swing door and one end of a rotating shaft of the second swing door extend out of the valve shell and are connected with the output end of the driving part; the first swing door is arranged on the side close to the powder inlet, the rotating shaft of the first swing door is arranged in the center of the valve shell, the second swing door is arranged between the first outlet and the second outlet, and the rotating shaft of the second swing door is arranged on the side close to the first outlet. The invention provides a cylindrical four-way powder distributing valve which is convenient to machine and manufacture and capable of reducing internal resistance and reducing dead angles.

The invention relates to a low-NOx stable combustion burner for a boiler. The low-NOx stable combustion burner comprises a primary air pipe communicating with a hearth and a peripheral air pipe; a gradual shrinkage pipe, a straight pipe and a gradual expansion pipe are arranged on the section, before inserted in the hearth, of the primary air pipe; the maximum section area of the gradual shrinkagepipe is the same with the maximum section area of the gradual expansion pipe; and the peripheral air pipe sleeves the external of an outlet end of the primary air pipe. Compared with the prior art, the burner can lengthen the flame length and reduce the temperature of a central combustion area, so that generation of heat and fuel NOx is reduced, mutual ignition of burners on the same layer is facilitated, the fuel cost caused by ignition is reduced, uniform distribution of the whole hearth temperature is facilitated, and the coking and slagging problems caused by local high temperature are reduced.

The invention relates to an extrusion system for flow battery bipolar plate production and an extrusion method thereof. The extrusion system comprises an extruding die used for pulling a bipolar plate, a heat preserving and conveying roller and a shaping roller, wherein the extruding die, the heat preserving and conveying roller and the shaping roller are sequentially arranged. The extrusion system is characterized by comprising a spraying module which is arranged between the heat preserving and conveying roller and the shaping roller and used for spraying addition agents to the bipolar plate.The spraying module at least comprises a spraying body which is provided with an air input end, two addition agent input ends and a spraying end. In the spraying process, air enters from the air input end and is sprayed out from the spraying end to form conveying airflow, all the addition agents are matched discontinuously through the both addition agent input ends, added into the spraying body,and mixed under the effect of the conveying airflow, and move to the spraying end until the addition agents are sprayed from the spraying end to the bipolar plate. The system has the beneficial effects that a conductive layer can be formed on the surface of the bipolar plate, the use effect of the bipolar plate is improved, and accurate proportioning can be realized, so that the forming quality ofthe conductive layer of the bipolar plate is ensured.

The invention relates to a two-stage series connection noise reduction structure, including a primary fan and a secondary fan arranged above the primary fan. An air outlet of the primary fan is in communication with an air inlet of the secondary fan through a connection section. The primary fan and the secondary fan are centrifugal fans and are characterized in that with a normal plane of an air flow formed between the air outlet of the primary fan and the air inlet of the secondary fan as a reference, the projection of a main air inlet area of the secondary fan on the normal plane has an overlapping area with the projection of the air outlet of the primary fan on the normal plane. According to the two-stage series connection noise reduction structure, the length and tortuosity of the connection section are reduced effectively so that out air of the primary fan is directly connected to a main exhaust area of the air outlet of the secondary fan, the internal resistance between the two-stage fans is reduced, and turbulence of airflow is reduced, the flow rate of a fan system is increased, and noise is reduced.

The invention belongs to the technical fields of powder grinding and powder selection, and discloses a vertical vortex powder selector adopting lateral air feeding, a powder selection method implemented by the vertical vortex powder selector, and application of the vertical vortex powder selector. The vertical vortex powder selector comprises an upper vortex casing and a lower conical casing, wherein the vortex casing is horizontally arranged, and an open end of the vortex casing is provided with an air inlet; an air outlet is formed in the upper part of the vortex casing and connected with adust collection device; a cage rotor is arranged in the vortex casing, and the air outlet is formed above the cage rotor; a driving device is arranged above the vortex casing and connected with the cage rotor; air guiding blades are circumferentially arranged on the outer side of the cage rotor; a casing-shaped lower cone is arranged in the conical casing and placed right below the cage rotor; a medium and coarse powder discharging chute is communicated with the lower end of the lower cone, and the tail end of the medium and coarse powder discharging chute extends downwardly to the outside ofthe conical casing; and a coarse powder discharging chute is communicated with the lower end of the conical casing. The powder selector provided by the invention has the advantages of high reasonability in structure, high reliability in operation, less abrasion, high efficiency and low energy consumption.