53results about How to "Does not affect capacity" patented technology

The invention provides a method and a device for measuring the battery internal resistance; the method and the device detect a discharge current or charge current I, as well as a discharge or charge voltage U1 of the battery under detection, and then detect a voltage U2 after discharge or charge of the battery under detection so as to calculate an internal resistance r of the battery under detection; and the internal resistance r is equal to (U2-U1)/I. The method and the device are easy to implement and are low in cost, which can be widely used in battery chargers, back-up power supplies and other mobile power supplies.

The invention provides a lithium battery anode material and a preparation method and an application thereof. The lithium battery anode material includes a lithium metal composite oxide having a layered structure and a boron coating layer formed on the surface of the lithium metal composite oxide, wherein the lithium metal composite oxide includes Li, Ni and a doping element M1, the doping elementM1 is at least one selected from the group consisting of Zr, Mg, Al, Ni, Mn, Zn, Fe, Cr, Mo, and W, a molar ratio of the sum of Ni and the doping element M1 to the Li is less than 1, and the boron coating layer includes boron and/or boride. The lithium battery anode material has advantages of good structure stability and stable electrochemical performance, and the lithium battery anode material donot easily react with the electrolyte.

The invention relates to an electrolyte for a lithium ion battery using lithium manganate as an anode material; the electrolyte starts from a most basic solvent; an optimal solvent formula EC+EMC+PC of the lithium ion battery using the lithium manganate as the anode material is found out; further, the optimal concentration of lithium salt is determined by experiment; and phenylsulfonyl, vinylene carbonate, toluene, biphenyl, butylene sulfite, bi-oxalic acid lithium borate and other functional additives are developed. The functional electrolyte which integrates cathode film forming, overcharge blockage, oxygen absorption and flame retardance into a whole and is used for the compounded type lithium ion battery is designed and developed; and on the basis of not influencing the capacity, the cycle life and other performances of the lithium ion battery, the electrolyte comprehensively solves the problem of safety of the battery in a 3C10V overcharging system and provides technical guarantee for the popularization and application of the lithium ion battery.

The invention provides an improved drawer component for a refrigerating plant, which comprises a drawer, a first slide rail component, a second slide rail component and bracket components, wherein the first slide rail component is arranged at the first transverse side of the drawer, and a first inner slide way is formed in the first slide rail component; the second slide rail component is arranged at the second transverse side of the drawer, and a second inner slide way is formed in the second slide rail component; and the bracket components are arranged at the first ends of the first inner slide way and the second inner slide way, and when the drawer and the bracket components are detachably connected, the bracket components drive the drawer to move along the first inner slide way of thefirst slide rail component and the second inner slide way of the second slide rail component. According to the drawer component provided by the invention, the drawer and the bracket components can beconveniently detached, and the structure of the drawer is simple, thus the capacity of the drawer can not be influenced, and the drawer component can be easily and reliably formed and has longer service life. Furthermore, the invention also provides a refrigerating plant comprising the drawer component.

The method uses different vacant sub carrier waves to load given signals in different channels. The given signals carried by the said vacant sub carrier waves are sent to coupler; and through the coupler, a loop is formed locally. The method divides up vacant sub carrier signal through different channel at receiving end of the local loop according to different channels to pick up estimated values of reflecting different channel characteristics. Corrections of channels are carried out are based on the said estimated values. The invention also discloses a correction system of transmission channel and a correction system of reception channel. The invention uses initiative transmission mode, and accomplishes channel correction automatically. The correction procedure does not generate any influence on normal service and does not affect capacity of the system. In addition, using local loop also does not affect coverage of system.

The invention provides a safety prevention and control method and device for a battery energy storage module. The method comprises the following steps: testing a battery in the battery energy storagemodule, and determining a rupture position of the battery and temperature and duration of a substance ejected from the rupture position of the battery; according to the installation and arrangement mode of each battery in the battery energy storage module, determining the contact surface with the strongest heat exchange effect between the batteries; and installing flame retardant and heat insulating devices in the rupture position of the battery in the battery energy storage module and on the contact surface with the strongest heat exchange effect between the battery and the battery. The safety prevention and control method and device for the battery energy storage module ensures that a chain reaction of other batteries and expansion of a safety accident are not caused when thermal runawayof one or a few batteries in the battery energy storage module occurs, and the heat dissipation problem of the battery in normal use is solved while flame retardant and heat insulation effects are achieved.

The invention discloses a method for connecting external thread type posts of a power battery. The method comprises the following steps of: firstly, penetrating a conducting wire through two fastening sleeves, wherein two ends of the conducting wire are connected with two taper joints respectively; secondly, placing the taper joints into taper holes corresponding to the posts, and rotating the fastening sleeves to ensure that the taper joints closely contact the posts; and finally, performing dispensing looseness-prevention treatment on threaded parts where the fastening sleeves are connected with the posts or on upper surface holes of the fastening sleeves to fulfill the aim of preventing looseness. The method is simple in process and is convenient to operate, and by adoption of the method, complex equipment is not needed, the connection internal resistance between battery packs can be greatly reduced, and the hidden trouble of poor contact can be eliminated, so that the method is an ideal assembling mode for batteries provided with the external thread type posts. The method for connecting the posts is suitable for connecting the batteries provided with the external thread type posts.

The present invention provides raising user downloading rate method. It contains setting-up one timer in wireless network controller; channel releasing device monitoring data transmitting ending, starting up timer; when timer overtime, channel releasing device releasing corresponded wireless bearer channel. The present invention fully utilizes network resources to raise HSDPA user's downloading speed without influencing HSDPA system capacity.

The invention discloses a semiconductor device and a manufacturing method thereof. The semiconductor device includes a substrate, a buffer layer, and a radiation adjustment layer. The substrate includes trenches and transmission regions separated by the trenches. The buffer layer is formed on the substrate, and covers the surfaces of the trenches and the transmission regions. The radiation adjustment layer is formed on the buffer layer, and includes a first portion on the buffer layer in the trenches and a second portion on the buffer layer on the transmission regions, wherein the first portion is formed from a radiation reflection material or a radiation absorption material, and the second portion is formed from a radiation transmission material.

The invention is a connection method for power batteries with male thread type terminal posts. According to the invention, terminal posts and connection sheets are tightly connected by a specially designed screw-sleeve connection method of combining sleeves and screws so as to achieve a series-parallel effect, and glue is applied where the connection sheets and the terminal posts contact to prevent the two from loosening. The greatest characteristic of the invention is that conventional the plane contact between terminal posts and connection parts is changed, and more reliable thread contact flank with larger contact area is employed; therefore, effective contact area is enlarged and potential safety hazard resulting from uneven planes is eliminated.

The invention relates to the technical field of garbage classification, and discloses a community intelligent garbage classification device which comprises a box body. A throwing opening is formed in the side wall of the box body, and a recognition mechanism, a lifting mechanism, a conveying mechanism, a throwing mechanism, a control mechanism and at least two garbage cans are arranged in the box body. The lifting mechanism is obliquely arranged, one end of the lifting mechanism is located at the throwing opening, the other end of the lifting mechanism is adjacent to the input end of the conveying mechanism, and the lifting mechanism is used for conveying garbage at the throwing opening to the conveying mechanism. The garbage cans are placed at the bottom in the box body, the conveying mechanism is located above the garbage cans, and the throwing mechanism is used for throwing the garbage on the conveying mechanism into the garbage cans of the corresponding types. A controller is electrically connected with the recognition mechanism, the lifting mechanism, the conveying mechanism and the throwing mechanism, and the recognition mechanism is used for recognizing the garbage entering the throwing opening. The problem that garbage is inconvenient to throw in an existing garbage classification process is solved.

Satellite communications systems include a base station configured to communicate messages to disadvantaged mobile radiotelephone terminals. A mobile radiotelephone terminal receives a communication from a base station via a first high power paging channel and, if disadvantaged, monitors a second high power forward-only radiotelephone channel identified in the communication. The base station, upon determining that the mobile radiotelephone is disadvantaged, broadcasts the pending message to the mobile radiotelephone terminal via the second forward-only radiotelephone channel.

The invention discloses a sound device for a tea-water separation glass cup, which is assembled on the tea-water separation glass cup provided with a rotary cover, an upper cover, a lower cover and a cup body, and comprises an arc-shaped rack arranged on a circular track at the bottom of the rotary cover and an elastic shifting piece arranged at the top of the upper cover and arranged corresponding to the arc-shaped rack, the two sides of the lower end of the elastic shifting piece are embedded in a spring box through buffer springs, and the spring box is fixedly arranged in a groove in the end face of the upper cover. According to the sound device, the structural design of the arc-shaped rack and the elastic poking piece is adopted, the elastic poking piece is fixed in the spring box of the upper cover, when the rotating cover is rotated anticlockwise or clockwise, the arc-shaped rack arranged at the bottom of the rotating cover can always poke the elastic poking piece arranged in the spring box, and therefore clear sound similar to mechanical transmission is made; and the structure is light and simple, installation is easy, space is saved, and meanwhile stronger mechanical feeling is brought to a user.