High-pressure forming container suitable for solid-state battery

Abstract

The high-pressure forming container comprises a hydraulic cylinder body, the upper end of the hydraulic cylinder body is connected with an end cover, the end cover is connected with a pressure container guide block, and a pressure container penetrates through the end cover and the pressure container guide block to extend into a cavity of the hydraulic cylinder body. The pressure container is connected into a cavity of the hydraulic cylinder in a sliding mode, a sealing protruding block is connected to the bottom of the pressure container in the cavity of the hydraulic cylinder, a sealing ring is connected to the sealing protruding block, a pressure cavity is formed in the position of a center shaft of the pressure container, a pressing rod is movably connected into the pressure cavity, and the sealing ring is connected to the pressing rod. One end of the pressing rod in the pressure cavity is connected with a pressing rod guide block which synchronously moves along with the pressing rod, and the other end of the pressing rod outside the pressure cavity is connected with a pressing rod connecting block. According to the utility model, stable pressure can be provided, so that the product quality is improved.

Description

Technical Field

[0001] The utility model relates to a high-pressure forming container suitable for solid-state batteries. Background Art

[0002] At present, solid-state batteries are in their infancy. In order to ensure full contact between the solid electrolyte and the electrode, considerable external pressure is usually required to establish a tight bond and low-impedance interface connection. Conventional pressurizing equipment (hydraulic cylinders) makes it difficult to uniformly pressurize solid-state battery materials, which can easily cause structural damage to the battery materials. At the same time, it is difficult to reach ultra-high pressures above 500MPa.

[0003] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new structure suitable for high-pressure molded containers for solid-state batteries, making it more valuable for industrial use. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the present utility model is to provide a high-pressure molded container suitable for solid-state batteries.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A container suitable for high-pressure forming of solid-state batteries, comprising a hydraulic cylinder body, the upper end of the hydraulic cylinder body being connected to an end cover, the end cover being connected to a pressure vessel guide block, the pressure vessel extending into the cavity of the hydraulic cylinder body through the end cover and the pressure vessel guide block, the pressure vessel being slidably connected to the cavity of the hydraulic cylinder body, the bottom of the pressure vessel in the cavity of the hydraulic cylinder body being connected to a sealing protrusion, the sealing protrusion being connected to a sealing ring, a pressure cavity being opened at the central axis of the pressure vessel, a pressure rod being movably connected to the pressure cavity, one end of the pressure rod in the pressure cavity being connected to a pressure rod guide block which moves synchronously with the pressure rod, and the other end of the pressure rod outside the pressure cavity being connected to a pressure rod connecting block.

[0007] Preferably, the one described is suitable for a solid-state battery high-pressure molded container, and the end cover is connected to the hydraulic cylinder body by fixing bolts.

[0008] Preferably, the container is suitable for a solid-state battery high-pressure molded container, and a sealing groove is provided on the inner side wall of the end cover, and a sealing ring is connected to the sealing groove.

[0009] Preferably, the container is suitable for high-pressure forming of solid-state batteries, and the bottom of the cavity of the hydraulic cylinder is connected to a limiting block.

[0010] Preferably, the one described is suitable for a solid-state battery high-pressure molded container, and the limit block is connected to a buffer spring.

[0011] By means of the above solution, the present invention has at least the following advantages:

[0012] The utility model has a simple structure and is easy to operate, and can form a stable pressure (550Mpa-600Mpa), thereby improving the quality of the product.

[0013] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of the present utility model. DETAILED DESCRIPTION

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0018] Example

[0019] like Figure 1As shown, a high-pressure formed container suitable for solid-state batteries includes a hydraulic cylinder body 1, the upper end of the hydraulic cylinder body 1 is connected to an end cover 3, the end cover 3 is connected to a pressure vessel guide block 7, the pressure vessel 2 passes through the end cover 3 and the pressure vessel guide block 7 and extends into the cavity of the hydraulic cylinder body 1, the pressure vessel 2 is slidably connected to the cavity of the hydraulic cylinder body 1, a sealing protrusion is connected to the bottom of the pressure vessel 2 in the cavity of the hydraulic cylinder body 1, a sealing protrusion is connected to the sealing protrusion is connected to a sealing ring 12, a pressure cavity 11 is opened at the central axis of the pressure vessel 2, a pressure rod 5 is movably connected to the pressure cavity 11, one end of the pressure rod 5 in the pressure cavity is connected to a pressure rod guide block 4 that moves synchronously with the pressure rod, and the other end of the pressure rod 5 outside the pressure cavity is connected to a pressure rod connecting block 6.

[0020] The end cover 3 in the present invention is connected to the hydraulic cylinder body 1 through fixing bolts 10.

[0021] In the present invention, a sealing groove is provided on the inner side wall of the end cover 3 , and a sealing ring is connected in the sealing groove.

[0022] The bottom of the cavity of the hydraulic cylinder body 1 in the present invention is connected to a limiting block 9 , and a buffer spring 8 is connected to the limiting block 9 .

[0023] This structure is suitable for experimental testing. The inner diameter of the pressure vessel is 80mm, the height is 370mm, the working pressure is 550MPa, and the maximum operating pressure is 600MPa.

[0024] Hydraulic cylinder: generates pressure to realize the operation of pressure vessel through hydraulic pressure;

[0025] Pressure vessel: The main components that bear pressure form a seal with the hydraulic cylinder to achieve pressurization;

[0026] End cover: forms pressure with the cylinder body to make the pressure vessel move up and down;

[0027] Pressure rod guide block: ensures that the pressure rod is accurately positioned without damaging the pressure vessel;

[0028] Pressure rod: cooperates with the pressure vessel to form a pressure of 600MPa;

[0029] Pressure rod connecting block: realizes directional movement and position limiting of the pressure rod, making it easier to remove materials from the pressure vessel;

[0030] Pressure vessel guide block: ensures that the pressure vessel is not damaged during movement;

[0031] Buffer spring: hydraulic buffer to ensure stable operation of the container;

[0032] Limit block: limit the pressure vessel to avoid blockage of oil channel.

[0033] The utility model adopts isostatic pressing technology and uses water as the medium to ensure that the battery material is evenly stressed, and achieves an ultra-high pressure of more than 500MPa through hydraulic means, and can reach a maximum of 600MPa.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0035] In the description of this application, it should be noted that the terms "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended solely to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0036] In addition, the terms "horizontal" and "vertical" do not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0037] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A high pressure molded container suitable for solid-state batteries, characterized by: The invention comprises a hydraulic cylinder body (1), wherein the upper end of the hydraulic cylinder body (1) is connected to an end cover (3), the end cover (3) is connected to a pressure vessel guide block (7), the pressure vessel (2) extends into the cavity of the hydraulic cylinder body (1) through the end cover (3) and the pressure vessel guide block (7), the pressure vessel (2) is slidably connected to the cavity of the hydraulic cylinder body (1), a sealing protrusion is connected to the bottom of the pressure vessel (2) in the cavity of the hydraulic cylinder body (1), a sealing ring (12) is connected to the sealing protrusion, a pressure cavity (11) is opened at the central axis of the pressure vessel (2), a pressure rod (5) is movably connected in the pressure cavity (11), one end of the pressure rod (5) in the pressure cavity is connected to a pressure rod guide block (4) that moves synchronously with the pressure rod, and the other end of the pressure rod (5) outside the pressure cavity is connected to a pressure rod connecting block (6).

2. The high pressure molded container for solid-state batteries according to claim 1, characterized in that: The end cover (3) is connected to the hydraulic cylinder body (1) via fixing bolts (10).

3. A high pressure molded container suitable for solid-state batteries according to claim 1 or 2, characterized in that: A sealing groove is provided on the inner side wall of the end cover (3), and a sealing ring is connected in the sealing groove.

4. The high pressure molded container for solid-state batteries according to claim 1, characterized in that: The bottom of the cavity of the hydraulic cylinder (1) is connected to a limiting block (9).

5. The high pressure molded container for solid-state batteries according to claim 4, characterized in that: The limit block (9) is connected to a buffer spring (8).

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