15results about How to "Increase the volume ratio" patented technology

The invention provides a battery monomer, a battery device and a power utilization device. The battery monomer comprises a shell, an electrode terminal, an electrode assembly, a current collecting part and a first insulating part, the shell is provided with a first wall, and the electrode terminal is arranged on the first wall. The electrode assembly is contained in the shell and comprises an electrode body and a tab, and the tab is led out from the end, in the thickness direction of the first wall, of the electrode body. The current collector is arranged in the shell, electrically connected with the tab and the electrode terminal and provided with a welding part, and the welding part is connected with the electrode terminal in a welded mode. The first insulating part is arranged on the side, opposite to the electrode terminal, of the welding part and comprises a first part, the first part is arranged on the side, facing the electrode body, of the first insulating part, and the Young modulus E of the first part is larger than or equal to 0.5 MPa and smaller than or equal to 3 MPa. According to the battery monomer provided by the invention, the risk of damaging the electrode assembly by the first insulating part is reduced, the risk of short circuit in the battery monomer is reduced, and the reliability of the battery monomer is improved.

The permanent magnet comprises, by mass, REaNbFe100-a-b-c-dCocBd, RE is a combination of two or more of rare earth elements including lanthanum, cerium, praseodymium and neodymium and must contain the cerium element, the mass percentage of the cerium element is not lower than 6%, N is one or more of aluminum, copper, gallium and zirconium, the sum of the mass percentage of the elements is not lower than 6%, the sum of the mass percentage of the elements is not lower than 6%, the sum of the mass percentage of the elements is not lower than 6%, and the sum of the mass percentage of the elements is not lower than 6%. The permanent magnet is prepared from two raw materials including a main phase alloy and an auxiliary phase alloy through double-alloy formation, the main phase alloy comprises a cerium element, and the auxiliary phase alloy comprises a cobalt element; through the addition of the cobalt element, the precipitation of the CeFe2 phase can be reduced, a new main phase is formed, the main phase volume ratio of the permanent magnet is increased, the problem of magnetic performance deterioration caused by the addition of the cerium element is avoided, and the prepared cerium-containing rare earth permanent magnet has high coercive force.

The present disclosure relates to a battery pack and a vehicle including the same, which are directed to providing a battery pack capable of improving energy efficiency compared to a battery pack of the same volume and weight. To this end, the present disclosure provides a battery pack comprising: a case; a plurality of battery cells each including a first surface and a second surface opposite to each other, and an exhaust port and a terminal formed on the first surface, and disposed within the case; a guide member disposed between the housing and the first surface and configured to guide a flow of emissions discharged from the exhaust port; and a buffer member disposed between the housing and the first surface and configured to absorb an impact applied to the terminal. According to one or more embodiments of the present disclosure, a volume ratio of battery cells may be increased and energy efficiency may be improved by integrating an exhaust path into a lower space of a battery pack, which is used for bollard performance evaluation by impact analysis.

The utility model discloses a capacitor, which comprises a metal shell, a capacitor core, a busbar and an insulating part, the metal shell is provided with a containing cavity and an assembling part arranged on one side close to the containing cavity, and the assembling part and the containing cavity are integrally arranged and suitable for assembling the controller; the capacitor core is accommodated in the accommodating cavity, and the capacitor core is separated from the inner surface of the accommodating cavity through an insulating part; the busbar is connected with the capacitor core and is provided with a leading-out electrode extending out of the accommodating cavity, and the leading-out electrode extends towards the direction of the assembling part. The capacitor is good in heat dissipation effect, saves an assembly space which needs to be reserved between the controller and the capacitor, improves the volume ratio, and improves the assembly efficiency of the controller.

The utility model discloses a double-adjustment line cutting machine spraying device which comprises a liquid supply mechanism and an air supply mechanism, one end of a first spraying pipe and one end of a second spraying pipe of the liquid supply mechanism are respectively provided with a first spraying head and a second spraying head, and the other end of the first spraying pipe and the other end of the second spraying pipe are respectively connected with one end of a liquid supply header pipe. One end of a first air supply pipe and one end of a second air supply pipe of the air supply mechanism are connected with a first spraying pipe and a second spraying pipe respectively, and the other end of the first air supply pipe and the other end of the second air supply pipe are connected with one end of an air supply header pipe respectively. According to the utility model, double adjustment can be carried out on feeding spraying and material lifting spraying, the spraying pressure of the first spray head is increased, the sheet falling rate during material lifting is reduced, and the yield is improved for production; the consumption in the cooling liquid spraying process is reduced, the cooling liquid spraying effect is improved, and the cost is reduced.

The invention relates to the technical field of inductance elements, in particular to an inductance element, a preparation method thereof and electronic equipment. The inductor element comprises an inductor body and a physical vapor deposition metal layer. The inductor body has an assembly surface. A physical vapor deposition metal layer is disposed on the assembly surface. Wherein a separation groove is arranged between two ends of the physical vapor deposition metal layer in the direction parallel to the assembly surface, the separation groove is configured to cut off the physical vapor deposition metal layer into two parts along the thickness direction of the physical vapor deposition metal layer, one part of the physical vapor deposition metal layer forms a first extraction electrode of the inductor body, and the other part of the physical vapor deposition metal layer forms a second extraction electrode of the inductor body. And the other part of the physical vapor deposition metal layer forms a second extraction electrode of the inductor body. According to the inductance element, the physical vapor deposition metal layer is used as the electrode, the physical vapor deposition metal layer has the advantage of being small in thickness, the volume ratio of the inductance body in the inductance element can be increased, and then the inductance value of the inductance element is improved.

The application provides a high-density fan-out packaging structure and a preparation method thereof. The method comprises the following steps: providing a silicon substrate, pasting a passive surface of a chip to be packaged on the silicon substrate; plastic packaging the chip to be packaged to obtain a plastic packaging layer, wherein a top surface of the plastic packaging layer is at the same horizontal plane as a top end of an interconnection column on an active surface of the chip to be packaged; preparing a multilayer wiring layer on the top surface of the plastic packaging layer, so that the multilayer wiring layer and the interconnection column are interconnected; preparing a welding member on the multilayer wiring layer, which is in conductive connection with a packaging interconnection body; and thinning the silicon substrate to obtain a high-density fan-out packaging structure. The application solves the problem of chip warping in the preparation of the high-density fan-out packaging structure in the prior art.

Provided are a power battery pack and an electric vehicle. The power battery pack includes: a pack body, where an accommodating space is defined in the pack body, the pack body is provided therein with at least one widthwise cross beam or lengthwise cross beam, the widthwise cross beam extends along a width direction of the power battery pack, the lengthwise cross beam extends along a length direction of the power battery pack, and the accommodating space is divided into a plurality of accommodating chambers by the at least one widthwise cross beam or lengthwise cross beam; and a plurality of cells, disposed in the pack body and directly arranged in the accommodating chambers, where at least one cell is arranged in each accommodating chamber to form a cell array. The power battery pack according to the embodiments of this application has advantages of high space utilization, large energy density, long battery life, high reliability, low costs, high quality, and the like.

The utility model discloses a limiting structure and an energy storage system, and relates to the technical field of batteries, and the limiting structure is used for limiting a battery cell group; the limiting structure comprises at least two plate bodies arranged in the first direction, and every two adjacent plate bodies are connected through a mortise and tenon joint structure. The plate body is provided with a first face, a second face, a third face and a fourth face, the first face and the second face are oppositely arranged in the first direction, the third face and the fourth face are oppositely arranged between the first face and the second face, and the sizes of the first face and the second face are smaller than those of the third face and the fourth face. The first face or the second face of any plate body is connected with the second face or the first face of the adjacent plate body through a mortise and tenon joint structure. The plate bodies are spliced in a tenon-and-mortise matching mode, the problems that a structure for limiting the battery cell set is inconvenient to connect and cannot be stably connected are effectively solved, space occupied by the limiting structure can be reduced, the space utilization rate and the system electric quantity of the energy storage system are increased, and the energy storage system has the electric quantity competition advantage.

This invention belongs to the field of magnetic resonance imaging technology, and particularly relates to a multi-voxel spectral reconstruction method and system with ROI adaptive capability. The method includes acquiring a structural image of the scanned object; performing multi-voxel spectral scanning on the scanned object to acquire K-space spectral data; based on the location information of the region of interest (ROI) and interference regions, combined with the point spread function of the spectral scanning system; performing target reconstruction processing on the K-space spectral data according to the optimal voxel localization parameters to generate reconstructed spectral data; and extracting spectral information corresponding to the ROI from the reconstructed spectral data. This invention, through a strategy of multiple adaptive reconstructions in a single scan, can independently calculate the optimal localization parameters and perform targeted reconstruction for each ROI within the field of view based on the same set of K-space data. This allows different anatomical structures to obtain the maximum volume proportion in their dedicated reconstructed voxels without compromising the localization effect between different regions.

The invention relates to the technical field of preparation of antioxidant peptides from pomfrets, and discloses a device and process for preparing antioxidant peptides from pomfrets, the device comprises a stirring cylinder, a closing door is hinged to the top of the stirring cylinder, a hollow round block is mounted at the bottom of the stirring cylinder in a threaded manner, and a plurality of arc-shaped leakage grooves are formed in the bottom of the stirring cylinder. A plurality of filtering holes are formed in the sides, close to each other, of the arc-shaped leakage grooves respectively, the stirring mechanism comprises a rotating shaft rotationally installed in the stirring barrel, the bottom end of the rotating shaft extends into the hollow round block and is matched with the hollow round block, a rectangular groove is formed in the rotating shaft, and the bottom end of the rectangular groove is matched with the bottom end of the rotating shaft. The rectangular groove is slidably sleeved with a sleeve, and a plurality of trapezoidal stirring frames are fixedly installed on the outer wall of the sleeve. The centrifugal force generated in the up-and-down rotary motion process of the trapezoidal stirring frame can take up fish meat precipitated at the top of the hollow round block, and the situation that the fish meat precipitate cannot fully react with enzyme is avoided.

The utility model relates to the field of metal electroplating, and discloses a chromium plating solution impurity removal device which comprises an outer tank body and an inner tank body, the inner tank body is fixed in the outer tank body, a plurality of mounting holes are formed in the side wall of the inner tank body, polytetrafluoroethylene electrolytic cloth is mounted in the mounting holes, and drain valves are arranged at the bottoms of the outer tank body and the inner tank body. A liquid inlet and an overflow port are formed in a groove opening of the outer groove body. According to the utility model, the teflon electrolytic cloth is adopted to solve the problems that the fluorine-containing chromium plating solution is high in impurity content after being used for a long time, and the service life is short due to the adoption of a biscuiting cylinder or a ceramic diaphragm cylinder for removing impurities in the chromium plating solution in the prior art.

Provided are a power battery pack and an electric vehicle. The power battery pack includes: a pack body, where an accommodating space is defined in the pack body, the pack body is provided therein with at least one widthwise cross beam or lengthwise cross beam, the widthwise cross beam extends along a width direction of the power battery pack, the lengthwise cross beam extends along a length direction of the power battery pack, and the accommodating space is divided into a plurality of accommodating chambers by the at least one widthwise cross beam or lengthwise cross beam; and a plurality of cells, disposed in the pack body and directly arranged in the accommodating chambers, where at least one cell is arranged in each accommodating chamber to form a cell array. The power battery pack according to the embodiments of this application has advantages of high space utilization, large energy density, long battery life, high reliability, low costs, high quality, and the like.

This invention provides a direct-write printing method for preparing a three-dimensional porous polyimide-hollow glass microsphere composite material and the resulting material. The method includes: S1 preparing a soluble polyimide-hollow glass microsphere composite material; S2 preparing a direct-write printing composite ink; S3 direct-write printing and humidification pre-gelling; S4 solvent-inducing phase transition curing to create pores; and S5 low-temperature drying to obtain the finished product. This invention utilizes chemical bonding to construct an organic-inorganic cross-linked network, avoiding interfacial gaps and filler sedimentation. It eliminates the need for photosensitizers and high-temperature treatment, resulting in a simple process, high molding precision, and low shrinkage. The prepared composite material possesses a nanoscale three-dimensional interconnected porous structure with strong interfacial bonding, lightweight yet high strength, and excellent thermal insulation properties. It effectively solves the problems of easy collapse, uneven pore size, and complex processes in existing 3D printing of porous polyimide materials, making it suitable for applications such as thermal insulation, sound absorption, and catalyst support.