9results about How to "Increase charging rate" patented technology

The invention provides a method and a system for preparing a vehicle for a performance mode. Systems and methods are described for adjusting motor torque or power as a function of a position of a human operated input device that is not a driver demand pedal. In one example, the human operated input device may be a button or a joystick. Electrical charge or mechanical torque or power may be generated via the electric machine in response to a position of the human operated input device.

The battery assembly, the battery pack and the new energy vehicle provided by the present disclosure relate to the field of batteries. The busbar comprises a connecting row and a top plate, the connecting row and the top plate are connected, and a sealed cavity is formed between the connecting row and the top plate; the sealed cavity is provided with a capillary structure and a cooling liquid. The cooling liquid is used for absorbing heat of the connecting row and evaporating, the evaporated gas is condensed on the inner wall of the sealed cavity, and the condensed liquid flows back through the capillary structure. The busbar has a cooling function, realizes rapid heat dissipation of the busbar, and the cooling liquid can be recycled, thereby solving the problem of excessively high temperature rise of the busbar under the condition of large-rate charging and discharging.

The application provides an array substrate, a driving method and a display device. The array substrate comprises a driving module, a plurality of rows and columns of sub-pixels, a plurality of columns of data lines and a plurality of rows of scanning lines; one frame time comprises at least two sub-frames; the driving module provides scanning signals to the scanning lines, controls the plurality of rows of scanning lines to be opened in turn in the sub-frames, and controls the sub-pixels corresponding to the same color and electrically connected to the opened scanning lines and the same data line in the sub-frames; in the sub-frames, there are overlapping time periods and non-overlapping time periods between effective time periods of scanning signals provided by at least two adjacent scanning lines in the plurality of rows of scanning lines opened in turn; and data voltages received by the data line in at least part of the overlapping time periods are the same as data voltages received by the data line in at least part of the non-overlapping time periods. The application can improve the charging time of at least part of the sub-pixels, improve the charging rate and the refresh rate, and improve the display quality.

The application discloses a pre-charging method and a liquid crystal display screen. The method comprises the following steps: providing a liquid crystal display screen, wherein the liquid crystal display screen comprises a control unit and a timing unit, and the timing unit is used for outputting a gate driving timing sequence of the liquid crystal display screen according to a control instruction; and providing a first gate driving timing sequence to all pixels of the liquid crystal display screen by using the timing unit to perform 3H charging on the pixels to perform point flipping. The 3H charging is pre-charging in a first H unit time and a second H unit time, actual charging after a third H unit time, and the second H unit time is separated from the third H unit time by 1 H unit time. The point flipping is performed by providing 3H charging to the pixels of the liquid crystal display screen row by row, the voltage difference during the charging of the pixels is effectively reduced, the charging rate is improved, and the display quality is improved.

The application discloses a superconducting charging cable of fault current limiting type, and mainly solves the problems that existing superconducting cables cannot be used for bidirectional direct-current high-power charging and have complex structures. The superconducting charging cable comprises a cable framework and liquid nitrogen passage (1), a composite conductor layer (2) and a thermal insulation shell (3). The cable framework supports the composite conductor layer and the thermal insulation shell. The composite conductor layer is composed of inner and outer superconducting tape layers and inner and outer fault current limiting stabilizing layers, and is wrapped on the cable framework. The inner composite conductor layer and the outer composite conductor layer are separated by using an intermediate layer insulating bushing, so that the bidirectional direct-current charging function of the superconducting cable is realized. The fault current limiting stabilizing layer is armored on the superconducting tape layer, so that the fault current limiting function of the superconducting cable is realized. The thermal insulation shell is wrapped on the outer liquid nitrogen bellows, so that the heat leakage of the cable body to the outside is greatly reduced. The superconducting charging cable has a compact structure, does not need to use a fault current limiter, and can be used for connecting electrode terminals to perform high-power direct-current fast charging on electric vehicles.

A power battery charging method, device, equipment and medium are disclosed, including: monitoring the actual state of charge of a target battery during a target battery charging process; when the actual state of charge is less than a preset state of charge, determining the actual charging stage in which the target battery is currently located according to the actual state of charge; determining the target limit charging rate corresponding to the actual charging stage according to the correspondence between the actual charging stage and the limit charging rate; determining the actual charging rate according to the target limit charging rate, and controlling the target battery to charge at the actual charging rate in the actual charging stage. The present application charges within the range of less than or equal to the limit charging rate, can avoid the occurrence of obvious polarization phenomenon, reduce the polarization degree, that is, increase the charging rate as much as possible under the premise of low polarization degree, shorten the charging time, improve the charging efficiency, and at the same time improve the charged power.

The application discloses a kind of power battery system super low temperature charge-discharge heat management methods, comprising: starting fuel cell system under super low temperature environment, pull up the power of the fuel cell system, the electric energy generated is used to power heater and fuel cell auxiliary components;Control water pump to circulate cooling liquid between power battery pack and fuel cell system;According to the temperature of power battery pack, control electronic thermostat to switch cooling liquid circulation mode;When power battery pack reaches the first preset temperature, the fuel cell system is closed, and only rely on heater to provide heat for power battery pack;When heater cannot guarantee the temperature rise of power battery pack, restart fuel cell system.The power battery system super low temperature charge-discharge heat management method of the application uses the wide temperature range characteristics of fuel cell to heat the power battery pack under extremely cold conditions, so as to ensure the normal use of vehicle, solve the industry problem that power battery cannot charge and discharge below-40 DEG C, and improve the extreme cold adaptability of whole vehicle.

The application discloses a composite negative electrode material and a preparation method thereof, a negative electrode sheet and a lithium ion battery, and belongs to the technical field of lithium ion batteries.The composite negative electrode material comprises a core and a coating layer located on the surface of the core; the core comprises a carbon matrix and a filling material, the carbon matrix has a first pore, and the filling material is at least partially distributed in the first pore; and the filling material comprises SiOx, and the filling material has a second pore.The composite silicon negative electrode composite negative electrode material can effectively reduce the volume effect and improve the cycle stability.

The present application relates to a waste recycling method and system of a carding machine, and relates to the field of textile machinery, which comprises: obtaining real-time moisture regain and impurity content percentage based on near-infrared spectrum signals; obtaining a target humidification amount based on the real-time moisture regain and impurity content percentage; sending the humidified waste into an electrostatic polarization section with airflow for polarization treatment; controlling the selective electrostatic adsorption of the charged impurities by the adsorption device according to the electrical difference between the charged impurities and the electrically neutral fibers; continuing to deliver the clean fibers that are not captured after electrostatic adsorption to the front with airflow, and collecting the fiber images in the clean fiber conveying channel; identifying the residual impurity content from the fiber images; when the residual impurity content does not exceed the preset cleanliness threshold, the fibers are directly reused to the cotton feeding system of the carding machine with airflow, and the online separation and reuse of the waste are completed. The present application has the effect of improving the recycling cleanliness of the fibers.