CN217086655U - Solid-state battery heating mould - Google Patents
Solid-state battery heating mould Download PDFInfo
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- CN217086655U CN217086655U CN202123153725.9U CN202123153725U CN217086655U CN 217086655 U CN217086655 U CN 217086655U CN 202123153725 U CN202123153725 U CN 202123153725U CN 217086655 U CN217086655 U CN 217086655U
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- battery
- pressure head
- state battery
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Abstract
The utility model relates to the technical field of batteries, in particular to a solid-state battery heating mold, which comprises a lower pressing sheet, wherein a lower pressing head insulating pad is arranged on the lower pressing sheet, and a lower pressing head is arranged on the lower pressing head insulating pad; a battery cavity is arranged above the lower pressure head, and the upper end of the lower pressure head extends into the battery cavity; a heating sleeve is arranged around the outer part of the battery chamber; an upper pressure head is arranged above the battery cavity, and the lower end of the upper pressure head extends into the battery cavity; go up the pressure head top and set up the pressure head insulating pad, go up the top of pressure head insulating pad and set up the preforming. The utility model has the advantages that: the heating jacket can uniformly heat the battery cavity on the inner side of the heating jacket so as to ensure that the solid-state battery is uniformly heated.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to solid-state battery heating mould.
Background
Batteries have been widely used in our lives as a new generation of energy storage devices, and commercial lithium ion batteries are also commonly used in consumer electronics because of their advantages such as high energy density, but in recent years, lithium ion batteries have been exploded due to leakage of their electrolyte, and their safety problems have not been ignored. The research on solid lithium ion batteries is also going on, and compared with the traditional batteries, the solid batteries have the characteristics that the electrodes and the electrolyte are all solid, the migration of ions is carried out through the solid electrolyte, and the safety and stability of the solid batteries also become the important direction for the future development of the batteries. However, in order to investigate the stability of the solid-state battery, an external force is required to be added to the battery, and physical fields such as temperature and pressure are important indexes affecting the performance and safety of the battery. If tests of the solid-state battery at different temperatures can be researched, further improvement of the performance of the solid-state battery is greatly facilitated.
With the continuous research of battery technology, the performance of the battery under the external field condition is also the direction of important research, and the performance of the solid-state battery under each external field is worth researching because of the all-solid-state configuration of the solid-state battery. Although solid electrolyte of the solid battery is more stable than liquid electrolyte, the transmission of ions in the solid state is more difficult than the liquid state, so that it is particularly important to explore the performance of the solid battery by increasing the temperature or pressure, the existing heating device of the solid battery is not uniform in heating, or liquid heating is adopted, and heat cannot be uniformly transferred to the inner layer solid battery, and therefore, a need for developing and designing a novel mold for the solid heating battery to help research is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in:
the technical problem that a solid-state battery heating device in the prior art heats unevenly is solved.
The utility model discloses a realize solving above-mentioned technical problem through following technical means:
a solid-state battery heating die comprises a lower pressing sheet, wherein a lower pressing head insulating pad is arranged on the lower pressing sheet, and a lower pressing head is arranged on the lower pressing head insulating pad;
a battery cavity is arranged above the lower pressure head, and the upper end of the lower pressure head extends into the battery cavity;
a heating sleeve is arranged around the outer part of the battery chamber;
an upper pressure head is arranged above the battery cavity, and the lower end of the upper pressure head extends into the battery cavity;
go up the pressure head top and set up the pressure head insulating pad, go up the top of pressure head insulating pad and set up the preforming.
The utility model provides a solid-state battery heating mould can be applied to solid-state battery technical field, can study the battery performance of solid-state battery under different temperatures. The device integrates the assembly of the solid-state battery, the test of charging and discharging and the control of heating, so that the assembly and the detection of the battery become convenient. The applied temperature field can also be transmitted to the solid-state battery in time, and the heat loss is reduced to the minimum extent through the design of the heating body. The mold serves as a shell of the battery and is connected with a positive electrode wire and a negative electrode wire, so that the charging and discharging detection of the battery under the condition of controlling the temperature in real time is realized, and the performance research of the battery in an in-situ temperature environment is facilitated. The experimental conditions and the expanded functions can be adapted by rationalizing and changing the structure of the die. The heating jacket can uniformly heat the battery cavity on the inner side of the heating jacket so as to ensure that the solid-state battery is uniformly heated.
Preferably, the lower pressing sheet is vertically provided with a stand column, and the upper pressing sheet is slidably mounted on the stand column.
Optimized, the stand sets up three at least, and all stand evenly distributed are around pressure head, last pressure head down, and the lower extreme of stand passes through the screw thread and installs on the pressure piece down.
Preferably, a groove is formed in the lower pressing plate, and the lower pressing plate insulation pad is clamped in the groove.
Preferably, a first sealing ring is arranged between the upper end of the lower pressure head and the inner wall of the battery cavity.
Preferably, an annular groove is formed in the inner edge of the top end of the battery cavity, a gasket sealing element is mounted at the annular groove, and a second sealing ring is arranged between the lower end of the gasket sealing element and the bottom of the annular groove;
and the gasket sealing element and the second sealing ring are sleeved on the outer side of the upper pressure head.
Preferably, the battery chamber is provided with a temperature detection element and further comprises a control unit;
the heating jacket and the temperature detection element are both connected to the control unit, the temperature detection element can transmit detected temperature data to the control unit, and the control unit can control the heating jacket to work.
Preferably, a heat insulation sleeve is arranged on the outer side of the heating sleeve.
Preferably, the outer side of the heat insulation sleeve is provided with a heat insulation shell.
Preferably, the heat-insulating shell comprises a lower end cover sleeved on the outer side of the upper part of the lower pressure head, and the battery cavity, the heating sleeve and the heat-insulating sleeve are all positioned above the lower end cover;
the heating sleeve, the heat insulation sleeve and the shell are all positioned on the lower side of the upper end cover;
the outer edge of the upper end cover is connected with the upper end of the shell, and the outer edge of the lower end cover is connected with the lower end of the shell.
The utility model has the advantages that:
the utility model provides a solid-state battery heating mould can be applied to solid-state battery technical field, can study the battery performance of solid-state battery under different temperatures. The device integrates the assembly of the solid-state battery, the test of charging and discharging and the control of heating, so that the assembly and the detection of the battery become convenient. The applied temperature field can also be transmitted to the solid-state battery in time, and the heat loss is reduced to the minimum extent through the design of the heating body. The mold serves as a shell of the battery and is connected with a positive electrode wire and a negative electrode wire, so that the charging and discharging detection of the battery under the condition of controlling the temperature in real time is realized, and the performance research of the battery in an in-situ temperature environment is facilitated. The experimental conditions and the expanded functions can be adapted by rationalizing and changing the structure of the die. The heating jacket can uniformly heat the battery cavity on the inner side of the heating jacket so as to ensure that the solid-state battery is uniformly heated.
Drawings
Fig. 1 is a perspective view of a solid-state battery heating mold in an embodiment of the present invention;
FIG. 2 is a front view of a solid-state battery heating mold according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is an exploded view of a solid-state battery heating mold according to an embodiment of the present invention;
wherein the content of the first and second substances,
lower tabletting-1; a guide post-11;
a lower pressure head insulating pad-2;
a lower pressure head-3; a first seal ring-31;
a battery chamber-4; gasket seal-41; a second seal ring-42;
a heating jacket-5;
an upper pressure head-6;
an upper pressure head insulating pad-7;
tabletting for 8;
a heat insulation sleeve-9;
10 parts of a heat preservation shell; a lower end cap-101; a housing-102; upper end cap-103; thermocouple fixing port-104; heating power supply lead post-105.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 5, the solid-state battery heating mold comprises a lower pressing sheet 1, a lower pressing head insulating pad 2, a lower pressing head 3, a battery chamber 4, a heating jacket 5, an upper pressing head 6, an upper pressing head insulating pad 7, an upper pressing sheet 8, a heat insulating jacket 9 and a heat insulating shell 10.
As shown in fig. 4, the lower pressing plate 1 is circular, and as shown in fig. 3, a lower ram insulating pad 2 is arranged on the lower pressing plate 1, specifically, a groove is arranged on the lower pressing plate 1, and the lower ram insulating pad 2 is clamped in the groove.
The lower pressure head insulating pad 2 is provided with a lower pressure head 3 which is connected with the lower pressure head insulating pad through a screw; the upper part of the lower pressure head 3 is cylindrical, and the lower base is circular.
The battery chamber 4 is arranged above the lower pressure head 3, the round holes which are communicated up and down are arranged in the battery chamber 4, the upper end of the lower pressure head 3 extends into the battery chamber 4, and the cross section outline of the battery chamber 4 is a rectangle with four corners passing through round corners.
The heating jacket 5 is arranged around the outer part of the battery cavity 4, and the shape of the inner wall of the heating jacket 5 is matched with the outer shape of the battery cavity 4, so that the relative rotation between the heating jacket and the battery cavity can be prevented. The cross-section outline of heating jacket 5 is circular, and it has 14 axial through-holes to distribute on heating jacket 5 along it for insert the heating element, like heating rod, heater strip etc. and then realize the heating.
An upper pressure head 6 is arranged above the battery cavity 4, the lower part of the upper pressure head 6 is cylindrical, the upper part of the upper pressure head 6 is circular, and the lower end of the upper pressure head 6 extends into the battery cavity 4; go up pressure head 6 top and set up pressure head insulating pad 7, go up and pass through the screw connection between pressure head insulating pad 7 and the upper portion of last pressure head 6, go up the top of pressure head insulating pad 7 and set up preforming 8, go up preforming 8 and be circular.
As shown in fig. 2 and 3, the lower pressing plate 1 is vertically provided with an upright post 11, and the upper pressing plate 8 is slidably mounted on the upright post 11. At least three upright posts 11 are arranged, as shown in fig. 4, three upright posts 11 are arranged in the embodiment, all the upright posts 11 are uniformly distributed around the lower pressing head 3 and the upper pressing head 6, and the lower ends of the upright posts 11 are installed on the lower pressing sheet 1 through threads. Furthermore, the upper end of the upright post 11 is provided with an external thread, the upper end of the upright post 11 can be screwed into a nut and pressed above the upper pressing piece 8, and the upper pressing piece 8 can be pressurized.
As shown in fig. 3, a first sealing ring 31 is arranged between the upper end of the lower head 3 and the inner wall of the cell chamber 4. Two first seal rings 31 are provided.
The battery cavity is made of polyether ether ketone (PEEK), has good mechanical property and is insulated, so that the battery cavity can serve as a shell of the solid-state battery. As shown in fig. 3, an annular groove is provided at the inner edge of the top end of the cell cavity 4, a gasket sealing member 41 is installed at the annular groove, and specifically, the gasket sealing member 41 is connected with the annular groove through a thread. A second sealing ring 42 is arranged between the lower end of the gasket sealing element 41 and the bottom of the ring groove; the gasket sealing element 41 and the second sealing ring 42 are sleeved outside the upper pressure head 6.
The battery cavity 4 is provided with a temperature detection element which adopts a thermocouple, the thermocouple is inserted into the battery cavity 4 from the outside, and the battery cavity also comprises a control unit which can adopt a PLC; heating jacket 5, temperature-detecting element all are connected to the control unit, and temperature-detecting element can transmit the temperature data who detects to the control unit, and the control unit can control heating jacket 5 work.
As shown in fig. 3, an insulating jacket 9 is provided on the outside of the heating jacket 5. And a heat insulation shell 10 is arranged on the outer side of the heat insulation sleeve 9. The heat preservation shell 10 comprises a lower end cover 101 sleeved on the outer side of the upper portion of the lower pressure head 3, and the battery chamber 4, the heating sleeve 5 and the heat insulation sleeve 9 are all located above the lower end cover 101.
The battery comprises a shell 102 sleeved outside the heat insulation sleeve 9 and an upper end cover 103 sleeved outside the upper end of the battery chamber 4, wherein a thermocouple fixing port 104 is formed in the shell 102 and used for installing a thermocouple. Two heating power supply lead posts 105 are arranged on the upper end cover 103 and are used for being connected with the internal heating jacket 5.
The heating jacket 5, the heat insulation jacket 9 and the shell 102 are all positioned on the lower side of the upper end cover 103; the outer edge of the upper end cover 103 is connected with the upper end of the shell 102, and the outer edge of the lower end cover 101 is connected with the lower end of the shell 102.
The use mode of the solid-state battery heating mould is as follows:
(1) assembling a heating accessory: and (3) mounting a heating sleeve outside the mounted battery cavity according to the position clamping groove, sleeving the heat insulation sleeve and the heat insulation shell after ensuring that the lead heads of the thermocouple between the heating sleeve and the battery cavity are aligned, aligning the lead spaces of the thermocouple in the same way, fixing the thermocouple on the heat insulation shell, and screwing down screws of the shell to finish sealing.
(2) Installing a pool body: the lower pressing piece is horizontally placed, the three stand columns 11 are screwed on the pressing piece, the lower pressing head insulating piece is placed into the corresponding clamping groove, the lower pressing head is placed on the insulating piece after the sealing ring is arranged on the upper pressing head sleeve, and the battery cavity is arranged on the lower pressing head in a sleeved mode.
(3) Installing a battery: and correctly placing the negative plate, the electrolyte and the positive plate of the solid-state battery into the battery chamber in sequence. Similarly, a gasket pressing piece is sleeved on the upper pressure head, and the gasket pressing piece is screwed down to press the gasket after the upper pressure head is placed in the cell cavity to achieve a sealing effect. The upper pressure plate is placed corresponding to the upright post 11 to ensure that the double pressure heads are kept parallel. And applying corresponding force on the pressurizing device to tightly press the solid-state battery, screwing the nut, and fixing the battery to enable the pressure head to be in contact with the positive electrode and the negative electrode.
(4) Line connection: two power supply lead posts of the heating jacket are connected with a power supply, so that the thermocouple can be correctly connected and can be detected, and the temperature can be accurately adjusted by a temperature control box (namely a control unit). And positive and negative terminal posts on the upper and lower pressure heads are connected with an electrochemical workstation to perform charge and discharge tests on the battery, and are matched with a heating control system to realize the performance research of the solid-state battery in the real-time heating control process.
The device can load a solid-state battery, the solid-state battery is placed in a pressure die in the device, two pressure heads of the die can be connected with the anode and the cathode of the battery, and the led-out electrode joint is matched with an electrochemical workstation to test the charging and discharging of the battery; the organic combination of real-time control of the heating temperature and battery performance test is realized, and the method is used for researching the influence of the solid-state battery on the battery performance at different temperatures.
The utility model provides a solid-state battery heating mould can be applied to solid-state battery technical field, can study the battery performance of solid-state battery under different temperatures. The device integrates the assembly of the solid-state battery, the test of charging and discharging and the control of heating, so that the assembly and the detection of the battery become convenient. The applied temperature field can also be transmitted to the solid-state battery in time, and the heat loss is reduced to the minimum extent through the design of the heating body. The mold serves as a shell of the battery and is connected with the positive and negative electrode lines, so that the detection of battery charge and discharge in real-time temperature control is realized, and the performance research of the battery in an in-situ temperature environment is facilitated. The experimental conditions and the expanded functions can be adapted by rationalizing and changing the structure of the die. The heating jacket 5 can uniformly heat the battery chamber 4 inside to ensure uniform heating of the solid-state battery.
The solid-state battery heating mold can realize the integration of the assembly of the solid-state battery, a heating system and the battery charging and discharging test. The heating sleeve is used for heating the solid-state battery, the thermocouple detects the temperature of the cavity in real time, and the temperature is adjusted through the temperature controller (namely the control unit), so that the battery in-situ test under a temperature field is achieved. Thereby playing a great role in researching the performance of the solid-state battery under the heating condition.
The device is suitable for testing the solid-state battery, the original shell of the solid-state battery is replaced by the battery cavity, and the pressure heads at two ends serve as the positive and negative electrode wiring of the battery. This heating jacket adopts cylinder annular post heating, makes inner chamber be heated evenly, and insulating layer and heat preservation will heat maximize stay inner chamber, and influence surrounding environment can not revealed to the temperature. The pressing die can be used as a pressing die of the solid-state battery, and the step of assembling the battery is simple and the operation is convenient. The electrochemical workstation can be connected under the heating condition to carry out in-situ battery performance tests of the battery at different temperatures. The temperature range of the device is as follows: 25-150 ℃ and the temperature control precision is +/-1 ℃. The device is convenient and fast to integrally disassemble and assemble, and each battery component is easy to clean. The fluorine O ring is sealed, the integral sealing performance of the system is guaranteed, and the battery mould device can be repeatedly used. The device can adapt to the development of experimental conditions and functionality through reasonable change of the structure.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A solid state battery heating mold, characterized by: the pressing device comprises a lower pressing sheet (1), wherein a lower pressing head insulating pad (2) is arranged on the lower pressing sheet (1), and a lower pressing head (3) is arranged on the lower pressing head insulating pad (2);
a battery chamber (4) is arranged above the lower pressure head (3), and the upper end of the lower pressure head (3) extends into the battery chamber (4);
a heating jacket (5) is arranged around the outside of the battery chamber (4);
an upper pressure head (6) is arranged above the battery cavity (4), and the lower end of the upper pressure head (6) extends into the battery cavity (4);
an upper pressure head insulating pad (7) is arranged at the top of the upper pressure head (6), and an upper pressing sheet (8) is arranged above the upper pressure head insulating pad (7).
2. The solid state battery heated mold of claim 1, wherein: the lower pressing piece (1) is vertically provided with an upright post (11), and the upper pressing piece (8) is slidably mounted on the upright post (11).
3. The solid state battery heated mold of claim 2, wherein: the upright posts (11) are at least three, all the upright posts (11) are uniformly distributed around the lower pressure head (3) and the upper pressure head (6), and the lower ends of the upright posts (11) are installed on the lower pressing plate (1) through threads.
4. The solid state battery heated mold of claim 1, wherein: the lower pressing plate (1) is provided with a groove, and the lower pressing head insulating pad (2) is clamped in the groove.
5. The solid state battery heated mold of claim 1, wherein: a first sealing ring (31) is arranged between the upper end of the lower pressure head (3) and the inner wall of the battery cavity (4).
6. The solid state battery heated mold of claim 1, wherein: an annular groove is formed in the inner edge of the top end of the battery cavity (4), a gasket sealing piece (41) is installed at the annular groove, and a second sealing ring (42) is arranged between the lower end of the gasket sealing piece (41) and the bottom of the annular groove;
and the gasket sealing element (41) and the second sealing ring (42) are sleeved on the outer side of the upper pressure head (6).
7. The solid state battery heated mold of claim 1, wherein: the battery chamber (4) is provided with a temperature detection element and also comprises a control unit;
heating jacket (5), temperature-detecting element all are connected to the control unit, and temperature-detecting element can transmit the temperature data who detects to the control unit, and the control unit can control heating jacket (5) work.
8. The solid state battery heated mold of claim 1, wherein: and a heat insulation sleeve (9) is arranged on the outer side of the heating sleeve (5).
9. The solid state battery heated mold of claim 8, wherein: and a heat-insulating shell (10) is arranged on the outer side of the heat-insulating sleeve (9).
10. The solid state battery heated mold of claim 9, wherein: the heat-insulation shell (10) comprises a lower end cover (101) sleeved on the outer side of the upper part of the lower pressure head (3), and the battery chamber (4), the heating sleeve (5) and the heat-insulation sleeve (9) are all positioned above the lower end cover (101);
the battery is characterized by further comprising a shell (102) sleeved outside the heat insulation sleeve (9) and an upper end cover (103) sleeved outside the upper end of the battery cavity (4), wherein the heating sleeve (5), the heat insulation sleeve (9) and the shell (102) are all located on the lower side of the upper end cover (103);
the outer edge of the upper end cover (103) is connected with the upper end of the shell (102), and the outer edge of the lower end cover (101) is connected with the lower end of the shell (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123153725.9U CN217086655U (en) | 2021-12-15 | 2021-12-15 | Solid-state battery heating mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123153725.9U CN217086655U (en) | 2021-12-15 | 2021-12-15 | Solid-state battery heating mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217086655U true CN217086655U (en) | 2022-07-29 |
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ID=82538154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123153725.9U Active CN217086655U (en) | 2021-12-15 | 2021-12-15 | Solid-state battery heating mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217086655U (en) |
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2021
- 2021-12-15 CN CN202123153725.9U patent/CN217086655U/en active Active
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