High-pressure and high-airtightness solid-state battery packaging device

Abstract

The utility model discloses a solid-state battery packaging device with high pressure and high air tightness, which comprises a packaging mechanism, a first insertion part, a second insertion part and a pressing mechanism, the packaging mechanism comprises a packaging sleeve, a sleeve and an end cover, and the sleeve is sleeved outside the packaging sleeve; the first insertion part penetrates through the first through hole and then is inserted into the packaging sleeve; the second insertion part penetrates through the second through hole and then is inserted into the packaging sleeve, and a second sealing ring is embedded between the second insertion part and the inner wall of the second through hole; the pressing mechanism is used for enabling the first inserting part and the second inserting part to be close to each other. The battery has the beneficial effects that the first sealing ring is embedded between the first through hole and the first insertion part, the second sealing ring is embedded between the second through hole and the second insertion part, and the first insertion part and the second insertion part are pressed by the pressing mechanism to fix the battery; and the first sealing ring and the second sealing ring are arranged, so that the air tightness of the solid-state battery packaging device can be improved, and the high-pressure and high-air-tightness packaging requirements of part of solid-state batteries are met.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-state battery packaging, and in particular to a high-voltage and high-airtightness solid-state battery packaging device. Background Art

[0002] The solid-state battery packaging device is a special device for packaging solid-state batteries. It is used to package solid electrolytes and electrode materials in a specific structure to form a complete solid-state battery. In solid-state battery research, in order to study the performance of solid electrolytes and solid electrodes, it is necessary to package solid electrolytes and solid electrodes into solid-state batteries. This process requires special equipment for solid-state battery packaging.

[0003] For the packaging of some solid-state batteries, the packaging device is required to have high pressure and high airtightness, but the sealing performance of general solid-state battery packaging devices is poor and it is difficult to meet the packaging requirements of some solid-state batteries. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and to propose a high-pressure and high-airtightness solid-state battery packaging device to solve the technical problem that the solid-state battery packaging device in the prior art has poor sealing and is difficult to meet the packaging requirements of some solid-state batteries.

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

[0006] The utility model provides a high-voltage and high-airtightness solid-state battery packaging device, comprising:

[0007] The packaging mechanism comprises a packaging sleeve, a sleeve and an end cover, wherein the sleeve is sleeved outside the packaging sleeve, a blocking portion is formed at one end of the sleeve, a first through hole is formed on the blocking portion, and the end cover is detachably connected to the other end of the sleeve, and a second through hole is formed on the end cover;

[0008] A first inserting portion, which passes through the first through hole and is inserted into the packaging sleeve, and a first sealing ring is embedded between the first inserting portion and the inner wall of the first through hole;

[0009] a second inserting portion, which passes through the second through hole and is inserted into the packaging sleeve, and a second sealing ring is embedded between the second inserting portion and the inner wall of the second through hole; and

[0010] A clamping mechanism is used to bring the first insertion portion and the second insertion portion closer to each other.

[0011] In some embodiments, an internal thread is formed in the inner wall of the sleeve, a protrusion is formed on the end cover, an external thread matching the internal thread is formed on the outer wall of the protrusion, and the protrusion is threadedly inserted in the sleeve.

[0012] In some embodiments, a sealing groove distributed around the second through hole is opened on the end surface of the protrusion, and a third sealing ring is placed in the sealing groove, and the third sealing ring abuts against one end of the packaging sleeve.

[0013] In some embodiments, the packaging mechanism further includes a pressure cover, which is threadedly sleeved on the blocking portion, and a third through hole is opened on the pressure cover for the first insertion portion to pass through, and the pressure cover is in contact with the first sealing ring.

[0014] In some embodiments, the first insertion portion includes a first disk and a first pressure rod, the first pressure rod is fixed to the first disk, the first pressure rod passes through the first through hole and is inserted into the packaging sleeve, and the first sealing ring is embedded between the first pressure rod and the inner wall of the first through hole.

[0015] In some embodiments, the second insertion portion includes a second disc and a second pressure rod, the second pressure rod is fixed to the second disc, the second pressure rod is inserted into the second through hole, and the second sealing ring is embedded between the second pressure rod and the inner wall of the second through hole; a gasket is also sleeved on the second pressure rod, and the gasket is used to abut against the packaging sleeve.

[0016] In some embodiments, the first disc is provided with a plurality of through holes, and the second disc is provided with a plurality of fixing screw holes corresponding to the through holes one by one; the clamping mechanism includes a plurality of locking screws, and each locking screw passes through the through holes of the first disc and is threadedly connected with the fixing screw holes of the second disc.

[0017] In some embodiments, the clamping mechanism further includes a plurality of first gaskets, wherein the first gasket includes an annular portion and a gasket portion, wherein the annular portion is inserted into the corresponding through hole, and the gasket portion is located between the screw head of the locking screw and the first disc.

[0018] In some embodiments, the clamping mechanism further includes a plurality of second gaskets, wherein the second gaskets are sleeved on the locking screw, and the second gaskets are located between the screw head of the locking screw and the gasket portion.

[0019] In some embodiments, a first plug hole for inserting a first electrode is formed on the outer wall of the first disk, and a second plug hole for inserting a second electrode is formed on the outer wall of the second disk. Both the first plug hole and the second plug hole are threaded holes.

[0020] Compared with the prior art, the high-pressure and high-air-tightness solid-state battery packaging device provided by the utility model has the following beneficial effects: by loading a solid electrolyte and a solid electrode into the packaging sleeve, covering the packaging sleeve with a sleeve and an end cover, and then passing the first insertion part through the first through hole of the sleeve and inserting it into one end of the packaging sleeve, and embedding a first sealing ring between the first through hole and the first insertion part, and then passing the second insertion part through the second through hole and inserting it into the packaging sleeve, and embedding a second sealing ring between the second through hole and the second insertion part, and fixing the battery by clamping the first insertion part and the second insertion part with a clamping mechanism. The arrangement of the first sealing ring and the second sealing ring can improve the air-tightness of the solid-state battery packaging device, thereby meeting the high-pressure and high-air-tightness packaging requirements of some solid-state batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of a high-voltage and high-airtightness solid-state battery packaging device provided by an embodiment of the utility model;

[0022] Figure 2 yes Figure 1 A partial enlarged view of the middle area A;

[0023] Figure 3 yes Figure 1 A partial enlarged view of the middle area B;

[0024] Figure 4 yes Figure 1 A schematic diagram of the structure of the packaging mechanism;

[0025] Explanation of the accompanying drawings: 1-packaging mechanism, 11-packaging sleeve, 12-sleeve, 121-blocking part, 13-end cover, 131-second sealing ring, 132-protrusion, 133-third sealing ring, 14-first sealing ring, 15-pressure cover, 2-first insertion part, 21-first disc, 22-first pressure rod, 3-second insertion part, 31-second disc, 311-fixing screw hole, 32-second pressure rod, 33-washer, 4-clamping mechanism, 41-locking screw, 42-first gasket, 421-annular part, 422-gasket part, 43-second gasket. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In order to solve the technical problem that the sealing of solid-state battery packaging devices is poor and it is difficult to meet the packaging requirements of some solid-state batteries, the utility model provides a high-voltage and high-airtightness solid-state battery packaging device that can meet the high-voltage and high-airtightness packaging requirements of some solid-state batteries.

[0028] See also Figure 1 , Figure 1 This is a structural schematic diagram of a high-voltage and high-airtight solid-state battery packaging device in one embodiment of the utility model. The high-voltage and high-airtight solid-state battery packaging device includes a packaging mechanism 1, a first insertion part 2, a second insertion part 3 and a clamping mechanism 4.

[0029] See also Figure 1-Figure 4 The packaging mechanism 1 includes a packaging sleeve 11, a sleeve 12 and an end cover 13. The sleeve 12 is sleeved outside the packaging sleeve 11. A blocking portion 121 is formed at one end of the sleeve 12. A first through hole is formed on the blocking portion 121. The end cover 13 is detachably connected to the other end of the sleeve 12. A second through hole is formed on the end cover 13.

[0030] The first insertion portion 2 is inserted into the packaging sleeve 11 after passing through the first through hole, and a first sealing ring 14 is embedded between the first insertion portion 2 and the inner wall of the first through hole.

[0031] The second insertion portion 3 is inserted into the packaging sleeve 11 after passing through the second through hole, and a second sealing ring 131 is embedded between the second insertion portion 3 and the inner wall of the second through hole.

[0032] The pressing mechanism 4 is used to bring the first insertion portion 2 and the second insertion portion 3 closer to each other.

[0033] During installation, firstly, the solid electrolyte is loaded into the packaging sleeve 11, and then the first insertion part 2 and the second insertion part 3 are respectively inserted into the two ends of the packaging sleeve 11, and the solid electrolyte in the packaging sleeve 11 is respectively pressed from the two ends to preliminarily form the solid electrolyte into a cylindrical shape, and then the first insertion part 2 and the second insertion part 3 are pulled out, and then the two solid electrodes are respectively loaded into the two ends of the packaging sleeve 11, and then the packaging sleeve 11 is inserted into the sleeve 12 until it abuts against the blocking part 121, and then the end cover 13 is fixed to the sleeve 12, and the packaging sleeve 11 is pressed by the end cover 13. Then, the first sealing ring 14 is embedded in the first through hole, and then the first insertion part 2 is inserted into one end of the packaging sleeve 11 after passing through the first through hole, and then the second sealing ring 131 is sleeved on the second insertion part 3, and then the second insertion part 3 is inserted into the packaging sleeve 11 after passing through the second through hole, and then the first insertion part 2 and the second insertion part 3 are brought close to each other and locked by the clamping mechanism 4, thereby completing the assembly of the solid-state battery. When in use, the first insertion part 2 and the second insertion part 3 are connected to the circuit as the positive and negative poles of the battery respectively.

[0034] The technical solution provided by the utility model is as follows: a solid electrolyte and a solid electrode are loaded into a packaging sleeve 11, the packaging sleeve 11 is covered by a sleeve 12 and an end cover 13, and then the first insertion part 2 is inserted into one end of the packaging sleeve 11 after passing through the first through hole of the sleeve 12, and a first sealing ring 14 is embedded between the first through hole and the first insertion part 2, and then the second insertion part 3 is inserted into the packaging sleeve 11 after passing through the second through hole, and a second sealing ring 131 is embedded between the second through hole and the second insertion part 3, and the first insertion part 2 and the second insertion part 3 are pressed by a pressing mechanism 4 to fix the battery. The arrangement of the first sealing ring 14 and the second sealing ring 131 can improve the airtightness of the solid-state battery packaging device, thereby meeting the high-voltage and high-airtightness packaging requirements of some solid-state batteries.

[0035] In one embodiment, see Figure 1 An internal thread is formed in the inner wall of the sleeve 12, a protrusion 132 is formed on the end cover 13, an external thread matching the internal thread is formed on the outer wall of the protrusion 132, and the protrusion 132 is threadedly inserted in the sleeve 12.

[0036] In one embodiment, see Figure 1 and Figure 2 A sealing groove distributed around the second through hole is opened on the end surface of the protrusion 132, and a third sealing ring 133 is placed in the sealing groove. The third sealing ring 133 abuts against one end of the packaging sleeve 11, thereby improving the airtightness between the end cover 13 and the packaging sleeve 11.

[0037] In one embodiment, see Figure 1 and Figure 4 The packaging mechanism 1 also includes a pressure cover 15, which is threadedly sleeved on the blocking portion 121. The pressure cover 15 is provided with a third through hole for the first insertion portion 2 to pass through. The pressure cover 15 is in contact with the first sealing ring 14. The pressure cover 15 can limit the first sealing ring 14 to prevent the first sealing ring 14 from loosening.

[0038] In one embodiment, see Figure 1 The first insertion portion 2 includes a first disc 21 and a first pressure rod 22. The first pressure rod 22 is fixed to the first disc 21. The first pressure rod 22 passes through the first through hole and is inserted into the packaging sleeve 11. The first sealing ring 14 is embedded between the first pressure rod 22 and the inner wall of the first through hole.

[0039] In one embodiment, see Figure 1The second insertion part 3 includes a second disc 31 and a second pressure rod 32, the second pressure rod 32 is fixed to the second disc 31, the second pressure rod 32 is inserted into the second through hole, and the second sealing ring 131 is embedded between the second pressure rod 32 and the inner wall of the second through hole; the second pressure rod 32 is also sleeved with a gasket 33, and the gasket 33 is used to abut against the packaging sleeve 11. It should be understood that in order to facilitate conductivity, the first insertion part 2 and the second insertion part 3 are both made of conductive materials, such as stainless steel. The packaging mechanism 1 is made of insulating material to prevent the first insertion part 2 and the second insertion part 3 from short-circuiting.

[0040] In one embodiment, see Figure 1 The first disc 21 is provided with a plurality of through holes, and the second disc 31 is provided with a plurality of fixing screw holes 311 corresponding to the through holes one by one; the clamping mechanism 4 includes a plurality of locking screws 41, and each locking screw 41 passes through the through holes of the first disc 21 and is threadedly connected with the fixing screw holes 311 of the second disc 31.

[0041] In one embodiment, see Figure 1 and Figure 3 The clamping mechanism 4 further includes a plurality of first gaskets 42, the first gasket 42 including an annular portion 421 and a gasket portion 422, the annular portion 421 is inserted into the corresponding through hole, and the gasket portion 422 is located between the screw head of the locking screw 41 and the first disc 21. In this embodiment, the first gasket 42 is made of an insulating material (such as insulating plastic) as a whole, so as to prevent the locking screw 41 from electrically connecting the first disc 21 and causing a short circuit in the solid-state battery.

[0042] In one embodiment, see Figure 1 and Figure 3 The clamping mechanism 4 further includes a plurality of second gaskets 43 , which are sleeved on the locking screw 41 , and the second gasket 43 is located between the screw head of the locking screw 41 and the gasket portion 422 .

[0043] In one embodiment, see Figure 1 A first plug hole for inserting a first electrode is provided on the outer wall of the first disk 21, and a second plug hole for inserting a second electrode is provided on the outer wall of the second disk 31. Both the first plug hole and the second plug hole are threaded holes, so as to facilitate circuit access.

[0044] In order to better understand the present invention, the following Figures 1 to 4The technical solution of the utility model is described in detail: during installation, the solid electrolyte is first loaded into the packaging sleeve 11, and then the first pressure rod 22 and the second pressure rod 32 are respectively inserted into the two ends of the packaging sleeve 11, and the solid electrolyte in the packaging sleeve 11 is respectively pressed from the two ends to make the solid electrolyte preliminarily formed into a cylindrical shape, and then the first pressure rod 22 and the second pressure rod 32 are pulled out, and then the two solid electrodes are respectively loaded into the two ends of the packaging sleeve 11, and then the packaging sleeve 11 is inserted into the sleeve 12 until it abuts against the blocking portion 121, and then the end cover 13 is fixed to the sleeve 12, and the end cover 13 is fixed to the sleeve 12. 3, the packaging sleeve 11 is compressed, and then the first sealing ring 14 is embedded in the first through hole, and then the first pressure rod 22 is inserted into one end of the packaging sleeve 11 after passing through the first through hole, and then the second sealing ring 131 is sleeved on the second pressure rod 32, and then the second pressure rod 32 is inserted into the packaging sleeve 11 after passing through the second through hole, and then the first insertion part 2 and the second insertion part 3 are brought close to each other and locked by the compression mechanism 4, so as to complete the assembly of the solid-state battery. When in use, the first insertion part 2 and the second insertion part 3 are connected to the circuit as the positive and negative poles of the battery respectively.

[0045] The technical solution provided by the utility model is as follows: a solid electrolyte and a solid electrode are loaded into a packaging sleeve 11, the packaging sleeve 11 is covered by a sleeve 12 and an end cover 13, and then the first insertion part 2 is inserted into one end of the packaging sleeve 11 after passing through the first through hole of the sleeve 12, and a first sealing ring 14 is embedded between the first through hole and the first insertion part 2, and then the second insertion part 3 is inserted into the packaging sleeve 11 after passing through the second through hole, and a second sealing ring 131 is embedded between the second through hole and the second insertion part 3, and the first insertion part 2 and the second insertion part 3 are pressed by a pressing mechanism 4 to fix the battery. The arrangement of the first sealing ring 14 and the second sealing ring 131 can improve the airtightness of the solid-state battery packaging device, thereby meeting the high-voltage and high-airtightness packaging requirements of some solid-state batteries.

[0046] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A high-voltage and high-airtightness solid-state battery packaging device, characterized in that: include: The packaging mechanism comprises a packaging sleeve, a sleeve and an end cover, wherein the sleeve is sleeved outside the packaging sleeve, a blocking portion is formed at one end of the sleeve, a first through hole is formed on the blocking portion, and the end cover is detachably connected to the other end of the sleeve, and a second through hole is formed on the end cover; A first inserting portion, which passes through the first through hole and is inserted into the packaging sleeve, and a first sealing ring is embedded between the first inserting portion and the inner wall of the first through hole; a second inserting portion, which passes through the second through hole and is inserted into the packaging sleeve, and a second sealing ring is embedded between the second inserting portion and the inner wall of the second through hole; and The clamping mechanism is used to bring the first insertion portion and the second insertion portion closer to each other.

2. The high-voltage and high-airtightness solid-state battery packaging device according to claim 1, characterized in that: An internal thread is formed in the inner wall of the sleeve, a protrusion is formed on the end cover, an external thread matching the internal thread is formed on the outer wall of the protrusion, and the protrusion is threadably inserted in the sleeve.

3. The high-voltage and high-airtightness solid-state battery packaging device according to claim 2, characterized in that: A sealing groove distributed around the second through hole is opened on the end surface of the protruding portion, and a third sealing ring is placed in the sealing groove, and the third sealing ring abuts against one end of the packaging sleeve.

4. The high-voltage and high-airtightness solid-state battery packaging device according to claim 1, characterized in that: The packaging mechanism further comprises a pressure cover, which is threadedly sleeved on the blocking portion, and a third through hole for the first insertion portion to pass through is formed on the pressure cover, and the pressure cover is in contact with the first sealing ring.

5. The high-voltage and high-airtightness solid-state battery packaging device according to claim 1, characterized in that: The first insertion portion includes a first disk and a first pressure rod, the first pressure rod is fixed to the first disk, the first pressure rod passes through the first through hole and is inserted into the packaging sleeve, and the first sealing ring is embedded between the first pressure rod and the inner wall of the first through hole.

6. The high-voltage and high-airtightness solid-state battery packaging device according to claim 5, characterized in that: The second insertion portion includes a second disk and a second pressure rod, the second pressure rod is fixed to the second disk, the second pressure rod is inserted into the second through hole, and the second sealing ring is embedded between the second pressure rod and the inner wall of the second through hole; The second pressure rod is also sleeved with a gasket, and the gasket is used to abut against the packaging sleeve.

7. The high-voltage and high-airtight solid-state battery packaging device according to claim 6, characterized in that: The first disc is provided with a plurality of through holes, and the second disc is provided with a plurality of fixing screw holes corresponding to the through holes one by one; The clamping mechanism comprises a plurality of locking screws, each of which passes through the through hole of the first disc and is threadedly connected with the fixing screw hole of the second disc.

8. The high-voltage and high-airtightness solid-state battery packaging device according to claim 7, characterized in that: The clamping mechanism further includes a plurality of first gaskets, wherein the first gasket includes an annular portion and a gasket portion, wherein the annular portion is inserted into the corresponding through hole, and the gasket portion is located between the screw head of the locking screw and the first disc.

9. The high-voltage and high-airtightness solid-state battery packaging device according to claim 8, characterized in that: The clamping mechanism further comprises a plurality of second gaskets, wherein the second gaskets are sleeved on the locking screw and the second gaskets are located between the screw head of the locking screw and the gasket portion.

10. The high-voltage and high-airtightness solid-state battery packaging device according to claim 6, characterized in that: A first plug hole for inserting a first electrode is formed on the outer wall of the first disk, and a second plug hole for inserting a second electrode is formed on the outer wall of the second disk. Both the first plug hole and the second plug hole are threaded holes.

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