39results about How to "Increase power storage" patented technology

In the field of portable electronic devices in the future, portable electronic devices will be desired, which are smaller and more lightweight and can be used for a long time period by one-time charging, as apparent from provision of one-segment partial reception service “1-seg” of terrestrial digital broadcasting that covers the mobile objects such as a cellular phone. Therefore, the need for a power storage device is increased, which is small and lightweight and capable of being charged without receiving power from commercial power. The power storage device includes an antenna for receiving an electromagnetic wave, a capacitor for storing power, and a circuit for controlling store and supply of the power. When the antenna, the capacitor, and the control circuit are integrally formed and thinned, a structural body formed of ceramics or the like is partially used. A circuit for storing power of an electromagnetic wave received at the antenna in a capacitor and a control circuit for arbitrarily discharging the stored power are provided, whereby lifetime of the power storage device can be extended.

The invention discloses a carbon nanotube, and a preparation method and an application thereof. The carbon nanotube is a heteroatom-doped carbon nanotube, the mass ratio of heteroatoms is 3%-6%, the surface of the carbon nanotube has a mesoporous structure, the mesoporous average pore size is 2 nm-9 nm, and the specific surface area of the carbon nanotube is 150 m<2>/g-1200 m<2>/g. The preparation method comprises the following steps: (1) evenly mixing the carbon nanotube with an etching agent, and making the mass ratio be 1:3 to 1:5; (2) under an oxygen isolated condition, heating up to 500 DEG C-900 DEG C, and calcining for 1 h-3 h; (3) washing and drying; and (4) carrying out heteroatom doping. The specific surface area of the carbon nanotube can be improved, the catalytic activity of the carbon nanotube is increased, and the carbon nanotube has the advantages of simple process and low cost, and is applied to preparation of electrocatalysts having good performance.

The invention relates to an unmanned helicopter continuous voltage-stabilizing power supply system with an engine air restarting function, which comprises at least one generator, at least one generator control box, a distribution network, at least one equipment battery, at least one starting battery, a second electromagnetic relay, a third electromagnetic relay and a main control box, wherein the generator is driven by an unmanned helicopter engine to supply voltage; the generator control box is connected with the generator; the distribution network is connected to the generator through a transmission line to receive the voltage generated by the generator; the equipment battery is connected to the distribution network through the transmission line; the starting battery is connected to the distribution network through a first electromagnetic relay; the second electromagnetic relay is used for switching on or switching off the connection of the generator control box and the distribution network; the third electromagnetic relay is used for switching on or switching off a starter; and the main control box is connected with the first electromagnetic relay, the second electromagnetic relay and the third electromagnetic relay, receives the instruction of an airborne management computer connected with the main control box, and amplifies the current to drive each electromagnetic relay.

The invention provides comprehensive energy source router equipment and an energy source conversion method. The equipment comprises a mini-type gas turbine engine, a residual heat power generation device, a power storage device, a heat storage device and the like, wherein the residual heat power generation device is used for absorbing residual heat in high-temperature flue gas obtained by combustion of the mini-type gas turbine engine and carrying out an organic Rankine cycle; and the energy source conversion method comprises a mode of fixing power based on heat, a mode of fixing heat based onpower and an automatic power and heat adjusting mode. Therefore, the invention provides the comprehensive energy source router equipment which contains solar power generation, wind power generation,energy storage and organic Rankine cycle systems and a traditional combined cold, heat and power supply system; energy sources can be mutually interconnected and transformed through a comprehensive energy source coupling model, so that electric energy and heat energy can be very flexibly distributed; three optimization targets of economic cost, energy source consumption and pollution emission areestablished; and compared with a traditional energy source network, the equipment provided by the invention can be used for greatly increasing the comprehensive utilization efficiency of energy sources and reducing the emission of pollutants, so that the economic benefits are improved.

A motor drive system includes: a flywheel; a servomotor for buffer which includes a plurality of independent windings and allows the flywheel to rotate; a plurality of inverters for buffer respectively connected to the windings; a plurality of converters respectively connected to the DC links; inverters for drive which perform power conversion between a DC power in the DC links and an AC power which is a drive power or a regenerative power of the servomotor for drive; and a motor control unit for buffer configured to control driving of the servomotor for buffer by controlling power conversion of the respective inverters for buffer respectively connected to the windings.

The invention provides a new energy hybrid power supply system for a high-altitude unmanned aerial vehicle, and belongs to the field of aerospace vehicle energy systems. The new energy hybrid power supply system for the high-altitude unmanned aerial vehicle includes a solar cell module, a fuel cell module, a storage battery module, a one-way DC/DC power source converter, a two-way DC/DC power source converter, and an unmanned aerial vehicle energy monitoring module; the solar cell module and the fuel cell module are connected to the one-way DC/DC power source converter; the storage battery module is connected to the two-way DC/DC power source converter; the two-way DC/DC power source converter is connected to the one-way DC/DC power source converter; the one-way DC/DC power source converter is connected to a drive motor and other electrical devices of the high-altitude unmanned aerial vehicle; and the solar cell module, the fuel cell module, and the storage battery module are connectedto the unmanned aerial vehicle energy monitoring module.

The invention provides a nanometer modification method of lithium iron phosphate and prepared nanometer modified lithium iron phosphate and a lithium ion battery, and relates to the technical field ofa lithium ion positive electrode material. According to the method, a lithium iron phosphate raw material and an optionally-added carbon source are mixed and subjected to ball milling to obtain lithium iron phosphate with nano-scale grain diameters; next, the nanometer lithium iron phosphate is subjected to spray granulation; and then the obtained nanometer lithium iron phosphate after spray granulation is roasted to prepare the nanometer modified lithium iron phosphate. The nanometer modified lithium iron phosphate has the advantages of large specific surface area and tiny granularity; and meanwhile, the nanometer modified lithium iron phosphate has very high tap density, and the material after granulation has more defects and micro pores, so that the electricity storage amount of the nanometer modified lithium iron phosphate is obviously improved. The prepared nanometer modified lithium iron phosphate can be widely applied to preparation of the positive electrode material of the lithium ion battery.

The invention discloses a machine mainly used for storing and releasing kinetic energy when a bus is braked and started. The machine includes a flywheel (2) and a power input/output shaft (6); the flywheel (2) is in transmission linkage with the power input/output shaft (6) through a friction clutch (8); an overrunning clutch (10) and an electric motor (1) are arranged beside the flywheel (2); and the flywheel (2) is in transmission linkage with the electric motor (1) through the overrunning clutch (10). When the machine is used by a vehicle, such as the bus, etc., the driving kinetic energy of the vehicle can drive the flywheel (2) to turn faster through braking; after braking, the electric motor (1) further accelerates the flywheel (2) to a high speed by the overrunning clutch (10) when the friction clutch (8) is separated for stopping the vehicle; and the stored kinetic energy and electric energy can be passed from the flywheel (2) to the vehicle for starting the vehicle. Compared with other similar machines, the machine has the advantages that the vehicle can use cheap and renewable electrical energy when the vehicle is started; the effects of saving oil and reducing pollutant are obvious; and the machine is simple, reliable, and low in cost. Therefore, the machine is easy to popularize and apply.

The invention discloses a preparation method of a nanometer nickel protoxide-nickel-silicon alloy lithium ion battery negative electrode material and belongs to the technical field of preparing lithium ion battery electrode material. The feature of the lithium battery negative electrode material is that the lithium battery negative electrode material has a highly-ordered micro-nano silicon micro-channel substrate, and an excellent conductive NiSi layer electric charge collecting layer, and a NiO nanometer active layer has large specific surface area and an electrode orderly porous channel is suitable for an electrolyte solution to immerge. The preparation method of the battery cathode material is highly compatible with a traditional integrated circuit manufacturing process, and mainly comprises three main processes of etching to form the highly-ordered micro-nano silicon micro-channel substrate by using a photoinduced low temperature electrochemical pulse voltage wet method, depositing metallic nickel via an electroless plating process and rapid thermal annealing and oxidizing. The highly-ordered three-dimensional micro-nano porous NiO/Si-MCP (nickel protoxide/ silicon microchannel) negative electrode material has excellent physical and electrochemical support for immerging the electrolyte, transporting charges and embedding and de-embedding lithium ions, and could be used for preparing the integratable lithium ion battery electrode material.

The invention provides a solar power ship. The solar power ship is used for solving technical problems. The solar power ship comprises a ship body with a ceiling, and a solar cell assembly is arranged on the ceiling. The solar power ship is characterized in that side wing supports and supporting bases movably connected with the lateral wing supports are installed on the sides of the ceiling, side wing solar cell assemblies are arranged on the side wing supports, a lifting control assembly is installed on the ceiling, and connecting parts are connected between the lifting control assembly and the side wing supports and enable the side wing supports to be unfolded or folded under working of the lifting control assembly. Electric upward-turning devices are additionally arranged on the two sides of the solar cell assembly to unfold the side wing solar cell assemblies which are on the same horizontal plane with the solar cell assembly on the ceiling. By increasing daylighting area, power storage, power supply and duration capacity is improved, the normal running time of the solar power ship is guaranteed, and supporting mechanisms of the side wing solar cell assemblies guarantee the stability and safety of the side wing solar cell assemblies after unfolding.

The invention relates to a high-capacity lithium battery with a high-energy-density multi-pole column structure and relates to the technical field of lithium batteries. The lithium battery comprises ashell filled with an electrolyte and a battery core body arranged in the shell, wherein the battery core body is formed by alternately stacking more than two rectangular sheet-shaped positive plates,negative plates and a plurality of first diaphragms; coating-free base half surface ends of the positive plates and the negative plates of the battery core body are arranged in opposite directions; each positive plate and each negative plate of the battery core body are bound through beamheads with polecolumns; and the shell includes a battery shell with an opening in one side and a cover plate for covering the opening of the battery shell, a plurality of through holes are arranged in the shell, and axes of the polecolumns ofthe beam heads with polecolumns are arranged in a thickness direction of the shell and extend out of the shell through the through holes respectively. By using the novel lithium battery, when a high-energy density material is provided, an occupied space is small, andan effect of bearing high-current input and output can be achieved.

The invention provides an electric power assisted bicycle with flexible solar panel power generation. The electric power assisted bicycle comprises a solar absorber cover, storage box, control switchand USB charging hole. A bicycle frame is disposed on the bicycle body; a front wheel is fixed on the front bottom bolt of the frame, and a handlebar is welded and fixed on a top side of the frame rotating shaft on the upper side of the front wheel, and a control switch is fixed on one side of the handlebar; a storage box is welded to the front side of the beam of the frame; a rear wheel is fixedto the bottom bolt of the frame; a storage box is fixedly disposed on the upper frame of the rear wheel; the upper side of the storage box is fixedly mounted with a solar absorption cover through a fixing frame. The electric power assisted bicycle with flexible solar panel power generation is provided with a solar absorption cover designed in a rotating laminated structure of curved pieces. The rotatable switch can be stored and used, which facilitates the storage and use of the solar absorption cover, thereby effectively increasing the adjustment performance.

The invention discloses an electronic coded lock low-electric-quantity stable locking method and an electronic coded lock low-electric-quantity stable locking device. With the adoption of the method,a coded lock is powered through a backup power source, and a power source is cut in time, so that the safety of the coded lock can be ensured effectively; the device comprises a power source detectioncontrol panel and the backup power source; the power source detection control panel comprises voltage signal collection circuits connected in parallel, current signal collection circuits connected inseries, a power source output control circuit and a power source charging circuit; detection, control and outage compensation of working voltage are achieved through a positive electrode connected into the power source in series; and the problem that the electronic coded lock can not be locked due to low power or man-made outage after being unlocked is solved.

A ventilation and heat dissipation type energy storage solar photovoltaic panel disclosed by the present invention comprises a fixed substrate, a cross rod, a U-shaped frame, a fixed plate and a solar photovoltaic panel, supporting columns are longitudinally and symmetrically arranged on the left side of the end face of the fixed substrate, and movable connection supporting seats are movably arranged on the supporting columns through pin shafts; adjusting mechanisms are symmetrically arranged on the right side of the end face of the supporting stand column in the longitudinal direction, wind power of natural wind is blown into the air inlet channel, self-rotating heat dissipation fan blades arranged in the air inlet channel are made to rotate automatically under the action of the wind power, and therefore the self-rotating heat dissipation fan blades generate heat dissipation wind power to be blown to heat dissipation copper fins, and heat dissipation efficiency is improved. The solar photovoltaic panel heat dissipation device has the function of quickly blowing away and diffusing high temperature generated by the solar photovoltaic panel adsorbed by the solar photovoltaic panel to the outside, heat dissipation of the solar photovoltaic panel does not need to be conducted by means of electric energy equipment, then the solar photovoltaic panel achieves the energy-saving and environment-friendly ventilation and heat dissipation functions, and the problem of electric energy consumption and waste is further avoided.

The invention discloses a triangular new energy power battery structure and a manufacturing method thereof. The triangular new energy power battery structure comprises a cylinder body, a battery cell, a rubber ring, an anti-explosion sheet, a top cover, a pore plate and a gasket, the barrel body is a triangular column body and is provided with a containing space with an upward opening, and the containing space is in a triangular column shape; the battery cell is matched with the accommodating space and is embedded in the accommodating space; the rubber ring is triangular and matched with the opening of the containing space, the rubber ring seals the opening of the containing space, a concave cavity is formed in the surface of the rubber ring in a concave mode, the concave cavity is triangular, and a through hole communicated with the containing space is formed in the bottom face of the concave cavity. The triangular power battery is composed of the cylinder body, the battery core, the rubber ring, the anti-explosion sheet, the top cover, the pore plate and the gasket, the overall structure is stable, more than 30% of space can be saved compared with a round new energy battery when the triangular power battery is arranged in a battery box, the electricity storage capacity of the battery box is increased, and the use requirement is met.