CN109786598B - Single battery assembly structure of mesoporous thermal battery - Google Patents
Single battery assembly structure of mesoporous thermal battery Download PDFInfo
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- CN109786598B CN109786598B CN201811610439.0A CN201811610439A CN109786598B CN 109786598 B CN109786598 B CN 109786598B CN 201811610439 A CN201811610439 A CN 201811610439A CN 109786598 B CN109786598 B CN 109786598B
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Abstract
The invention discloses a single battery assembling structure of a mesoporous thermal battery, which belongs to the technical field of thermal batteries and is characterized in that: the diameter of the core rod is equal to the inner diameter of the central hole of the single battery of the middle-hole thermal battery; the rotating mechanism drives the core bar to rotate, and a power output shaft of the rotating mechanism is fixedly connected with one end of the core bar; the pressing device is sleeved on the core rod; wherein: and a single battery assembly consisting of a plurality of middle-hole thermal battery monomers is sleeved on the core rod and is positioned between the pressing device and the rotating mechanism. The assembly technology of the mesoporous single battery is a mode without a fastening frame, and the external part of a battery pile has no metal assembly structure, so that the insulation capacity of the thermal battery can be improved. The invention adopts a mode without an assembly frame for assembly, the core rod is fixed, the electric pile is fixed in a mode without the assembly frame, and the diameter of the battery is improved in a limited battery space, so that the volume occupation rate of the active substances of the battery is improved, and the specific energy level of the battery is improved.
Description
Technical Field
The invention belongs to the technical field of thermal batteries, and particularly relates to a single battery assembly structure of a mesoporous thermal battery.
Background
The thermal battery is a thermal activation reserve battery which uses the heating system of the battery to heat and melt non-conductive solid-state salt electrolyte into an ion conductor to enter a working state. The high-power high-efficiency weapon has the characteristics of high theoretical specific power and specific energy, quick activation, short working life, long storage life, wide use temperature, good mechanical property, no need of maintenance and high use reliability, and is widely applied to the field of various weapons.
At present, the single battery of the conventional thermal battery is generally a single battery without a central hole, and the single battery is assembled in an assembling frame, wherein the upper end plate, the lower end plate, the single battery, the current collecting plate, the asbestos pad and the like of the battery are firstly pressed and then fixed together through the upper end plate, the lower end plate and the fastening brace. The assembly of the single battery is necessarily fixed by metal parts such as upper and lower end plates and fastening braces. Due to the metal parts, the assembly method must improve the insulation design of the battery assembly. In addition, the assembly method occupies the radial space of the battery, thereby limiting the improvement of the specific energy of the battery. The middle-hole battery can be assembled and fixed by adopting a core rod fixing and assembly frame-free mode, and the diameter of the battery can be increased in a limited battery space by adopting the assembly mode, so that the volume occupancy rate of the active material of the battery is increased, and the specific energy level of the battery is further increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a single cell assembly structure of a mesoporous thermal battery, which has the characteristics of reasonable structure, high reliability and space saving.
The invention adopts the following specific technical scheme:
the invention of this patent aims at providing a kind of mesopore thermal battery cell assembly structure, include at least:
the diameter of the core rod (7) is equal to the inner diameter of a central hole of the single battery of the medium-hole thermal battery;
the rotating mechanism (10) drives the core bar (7) to rotate, and a power output shaft of the rotating mechanism (10) is fixedly connected with one end of the core bar (7);
a pressing device (6) sleeved on the core rod (7); wherein:
a single battery combination (8) consisting of a plurality of middle-hole thermal battery monomers is sleeved on the core rod (7), and the single battery combination (8) is positioned between the pressing device (6) and the rotating mechanism (10).
Further: the single battery, the middle-hole current collecting sheet and the middle-hole asbestos pad of the middle-hole thermal battery are axially fixed by a central core rod and are placed on a pressure-controllable pressing device for pressing to form a galvanic pile; the outside of the pile is wrapped with a high-temperature resistant fiber belt, and the end is bonded with an adhesive tape.
Further: the single battery of the mesoporous thermal battery consists of a positive plate, a negative plate, an electrolyte plate and an iron powder heating plate.
Further: the single battery of the mesoporous thermal battery consists of a mesoporous double-layer sheet, a negative electrode sheet and an iron powder heating sheet.
Further: the mesopore current collecting plate is made of 304 stainless steel.
Further: the adhesive tape is a polyimide adhesive tape.
Further: the high-temperature resistant fiber tape is a glass fiber tape or a mica tape.
Further: the compacting device is in a gas pressure cylinder mode or a servo mechanism mode or a hydraulic mode.
The invention has the advantages and positive effects that:
by adopting the technical scheme, the invention has the following technical effects:
1. the assembly technology of the mesoporous single battery is a mode without a fastening frame, and the external part of a battery pile has no metal assembly structure, so that the insulation capacity of the thermal battery can be improved.
2. The invention adopts a mode without an assembly frame for assembly, the core rod is fixed, the electric pile is fixed in a mode without the assembly frame, and the diameter of the battery is improved in a limited battery space, so that the volume occupation rate of the active substances of the battery is improved, and the specific energy level of the battery is improved.
Drawings
Fig. 1 is a mesoporous single layer sheet cell assembly of the present invention;
FIG. 2 is a mesoporous thermal battery cell pack of the present invention;
FIG. 3 is a schematic diagram of a mesoporous thermal battery cell assembly technique of the present invention;
wherein: 1-negative pole piece, 2-electrolyte piece, 3-positive pole piece and 4-iron powder piece; 5. a second layer of sheet; 6. the device comprises a pressing device, 7-core rods, 8-single battery combination, 9-glass ribbons and 10-rotating mechanisms.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
A mesoporous thermal battery cell assembly structure, comprising:
the diameter of the core rod 7 is equal to the inner diameter of a central hole of the single battery of the medium-hole thermal battery;
the rotating mechanism 10 drives the core bar 7 to rotate, and a power output shaft of the rotating mechanism 10 is fixedly connected with one end of the core bar 7;
a pressing device 6 sleeved on the core bar 7; wherein:
a single battery combination 8 consisting of a plurality of middle-hole thermal battery monomers is sleeved on the core rod 7, and the single battery combination 8 is positioned between the pressing device 6 and the rotating mechanism 10.
Preferably, the method comprises the following steps: the single battery, the middle-hole current collecting sheet and the middle-hole asbestos pad of the middle-hole thermal battery are axially fixed by a central core rod and are placed on a pressure-controllable pressing device for pressing to form a galvanic pile; the outside of the pile is wrapped with a high-temperature resistant fiber belt, and the end is bonded with an adhesive tape.
The single battery of the mesoporous thermal battery consists of a positive plate, a negative plate, an electrolyte plate and an iron powder heating plate.
The single battery of the mesoporous thermal battery consists of a mesoporous double-layer sheet, a negative electrode sheet and an iron powder heating sheet.
The mesopore current collecting plate is made of 304 stainless steel.
The adhesive tape is a polyimide adhesive tape.
The high-temperature resistant fiber tape is a glass ribbon 9 or a glass fiber tape or a mica tape.
The compacting device is in a gas pressure cylinder mode or a servo mechanism mode or a hydraulic mode.
Example 1:
1. single battery assembly with middle hole (refer to figure 1)
And sequentially stacking the negative electrode sheet 1, the electrolyte sheet 2, the positive electrode sheet 3 and the iron powder sheet 4 to form a single battery.
2. Assembly of mesoporous monolayers (see FIG. 3)
A plurality of single batteries are penetrated through a central core rod to form a galvanic pile, then the galvanic pile is placed on a pressing device with controllable pressure to be pressed into a whole, and the galvanic pile passes through a rotating device of the mechanism, is wound and fastened by a glass fiber tape and is then fixed by an adhesive tape.
Example 2:
1. single battery combination of middle hole double-layer slice (refer to figure 2)
And stacking the negative plate, the double-layer plate 5 and the iron powder plate in sequence to form a single battery.
2. Assembly of a mesoporous bilayer sheet (see FIG. 3)
The assembly is carried out in the manner of assembly of the mesoporous monolayer sheet.
Example 3: discharge test
And (3) discharge test: battery size: phi 57X 54, cell diameter 50mm, cell 16, iron powder 17, discharge current 20A, discharge voltage 24.5V, the results are reported in Table 1.
Comparative example 1:
the positive and negative electrodes adopt the same material and a traditional assembly structure, and the size of the battery is as follows: Φ 63 × 54, cell diameter, cell, amount and quantity of iron powder, and discharge pattern were the same as in example 3, and the above test was repeated, and the results are reported in table 1.
Table 1 table of results of examples
From the above results, it is clear that: because the invention adopts the structure without the assembly frame, the axial space utilization rate of the battery is effectively reduced, thereby improving the occupancy rate of the active substance of the battery, and the specific energy level of the battery is averagely improved by about 25.7 percent under the condition of the same material system.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (1)
1. A mesoporous thermal battery cell assembly structure, comprising at least:
the diameter of the core rod (7) is equal to the inner diameter of a central hole of the single battery of the medium-hole thermal battery;
the rotating mechanism (10) drives the core bar (7) to rotate, and a power output shaft of the rotating mechanism (10) is fixedly connected with one end of the core bar (7);
a pressing device (6) sleeved on the core rod (7); wherein:
a single battery combination (8) consisting of a plurality of middle-hole thermal battery monomers is sleeved on the core rod (7), and the single battery combination (8) is positioned between the pressing device (6) and the rotating mechanism (10);
the single battery of the middle-hole thermal battery is axially fixed by a central core rod and is placed on a pressure-controllable pressing device to be pressed tightly to form a galvanic pile; a high-temperature resistant fiber belt is wrapped outside the pile, and an adhesive tape is bonded at the end;
the single battery of the mesoporous thermal battery consists of a positive plate, a negative plate, an electrolyte plate and an iron powder heating plate, or the single battery of the mesoporous thermal battery consists of a mesoporous double-layer plate, a negative plate and an iron powder heating plate;
the mesopore current collecting plate is made of 304 stainless steel;
the adhesive tape is a polyimide adhesive tape;
the high-temperature resistant fiber tape is a glass fiber tape or a mica tape;
the compacting device is in a gas pressure cylinder mode or a servo structure mode or a hydraulic mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811610439.0A CN109786598B (en) | 2018-12-27 | 2018-12-27 | Single battery assembly structure of mesoporous thermal battery |
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| CN201811610439.0A CN109786598B (en) | 2018-12-27 | 2018-12-27 | Single battery assembly structure of mesoporous thermal battery |
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| CN109786598A CN109786598A (en) | 2019-05-21 |
| CN109786598B true CN109786598B (en) | 2021-12-14 |
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| CN114464827A (en) * | 2022-01-18 | 2022-05-10 | 贵州梅岭电源有限公司 | A self-fastening miniaturized thermal battery assembly device and assembly method |
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| CN2463024Y (en) * | 2001-01-03 | 2001-12-05 | 成都夸常科技有限公司 | Totally-enclosed pressing partitionless multi-layer filtering elements filter |
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