CN102148338A - High-temperature pile for thermal battery - Google Patents
High-temperature pile for thermal battery Download PDFInfo
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- CN102148338A CN102148338A CN2010101086139A CN201010108613A CN102148338A CN 102148338 A CN102148338 A CN 102148338A CN 2010101086139 A CN2010101086139 A CN 2010101086139A CN 201010108613 A CN201010108613 A CN 201010108613A CN 102148338 A CN102148338 A CN 102148338A
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Abstract
The invention belongs to the technical field of thermal batteries, and specifically discloses a high-temperature pile for a high-voltage thermal battery. The high-temperature pile is characterized in that: the composite material of mica, asbestos and aluminum oxide ceramics is stacked between a single cell and a fastening frame for the purpose of isolation; the single cell is wrapped by the composite material of mica and asbestos for isolation; and a drainage strip is wrapped by the composite material of mica and asbestos for the purpose of isolation. According to the invention, through insulating protection of the pile, stable voltage and high safety can be realized without arc discharge or high-voltage breakdown when full-load discharge, overload discharge, light-load discharge and no-load discharge are performed in various environmental conditions, and the high-temperature pile can be widely applied to the design of high-voltage thermal batteries of various kinds of weapons.
Description
Technical field
The invention belongs to the thermal cell technical field, be specifically related to a kind of high temperature resistant pile that is used for the high voltage thermal cell.
Background technology
Thermal cell is that the heating system with battery itself is nonconducting solid state salt electrolyte heating and melting ionic conductor and enters a kind of hot activation reserve cell of operating state.The eutectic that the inner electrolyte of thermal cell is made up of two or more inorganic salts, during normal temperature, electrolyte is non-conductive solid; During use,, thereby light the heating material of inside battery, internal temperature of battery is risen rapidly, cause molten salt electrolyte to melt and conduction, activated batteries, output electric energy with the extraneous electric current inside battery electric igniter that ignites.Using solid salt electrolyte is the principal character of thermal cell, and it is different from the battery that uses aqueous electrolyte, organic bath and solid electrolyte significantly.This make thermal cell have that period of storage is long, activationary time short, output current density is big, specific energy is higher, the serviceability temperature scope is wide, in characteristics such as lay up period Maintenance free and maintenances, thereby in the working power of various guided missiles, torpedo and nuclear weapon, used widely.
At present, the electrochemical system of thermal cell mainly is lithium alloy/disulphide system, and the performance of positive and negative pole material has determined the operating voltage of cell to be generally about 2V.In thermal cell is used, require its operating voltage far above 2V, be generally 28V, peak demand has reached 500V.It is generally acknowledged that the operating voltage of high voltage thermal cell reaches more than the 100V.In order to reach so high voltage, need tens to increase substantially the pile height in the pile to hundreds of 100 cells need series design, it is unfavorable that the structure of battery has been brought.For this reason, often adopt metal fastenings with the fastening raising structural strength of cell to satisfy the requirement of thermal cell environmental mechanics.Internal temperature has reached more than 400 ℃ during thermal cell work, can discharge the gas of a large amount of ionic state, by metal fastenings, drainage strip etc. battery arc discharge and high-voltage breakdown takes place easily under high-tension effect.
Summary of the invention
Technical problem to be solved by this invention is the high temperature resistant pile that proposes a kind of high voltage thermal cell stable operating voltage, safe, no arc discharge and high-voltage breakdown.
In order to solve the problems of the technologies described above, the high temperature resistant pile that is used for the high voltage thermal cell provided by the invention adopts insulation protection, comprise the insulation protection around the insulation protection, cell at pile two ends and the insulation protection of drainage strip, wherein: the insulation protection at pile two ends is meant adopts natural mica, thermal cell with asbestos and electronics with electricly stack with isolation cell and fastening frame with alumina ceramic composite material between cell and fastening frame; Insulation protection around the cell is meant adopts natural mica and thermal cell to wrap up to isolate cell and ambient atmos with the asbestos composite material around cell; The insulation protection of drainage strip is meant that drainage strip adopts natural mica and thermal cell to wrap up to isolate drainage strip and external environment with the asbestos composite material.
Among the present invention, by natural mica, thermal cell with asbestos and/or electronics with electric to form the insulation protection material with aluminium oxide ceramics be a kind of anti-high-insulativity composite material more than 700 ℃.
With respect to prior art, high temperature resistant pile provided by the invention has heatproof height, insulation property characteristics good, easy to use.Adopt the high voltage thermal cell of high temperature resistant pile insulation technology development to have operating voltage height, power output height, little, in light weight, the safe characteristics of volume.The present invention is by pile insulation protection technology; in the pile preparation process, all exposed metal/bare metals in the pile are protected by the insulation protection material; steady, safe, no arc discharge of voltage and high-voltage breakdown in the time of can being fully loaded with discharge, overload discharge, underloading discharge and unloaded discharge under various environmental conditions are during the high voltage thermal cell that can be widely used in various weapons designs.
Description of drawings
Fig. 1 is the schematic appearance of the thermal cell discharge back battery case of the high temperature resistant pile of employing the present invention.
Fig. 2 is the schematic appearance of the thermal cell discharge back battery case of the conventional pile of employing.
Embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the present invention.These embodiment are interpreted as only being used to the present invention is described and are not used in restriction protection scope of the present invention.After the content of having read the present invention's record, those skilled in the art can make various changes or modifications the present invention, and these equivalences change and modify and fall into claim of the present invention institute restricted portion equally.
Embodiment 1
82 cell series design are formed pile, be to stack between cell and the fastening frame by natural mica, thermal cell to isolate cell and fastening frame at the pile two ends with asbestos and electronics and the electric composite material of forming with aluminium oxide ceramics, the composite material that parcel is made up of with asbestos natural mica and thermal cell around cell is isolated cell and ambient atmos, and isolates drainage strip and external environment with natural mica and thermal cell with asbestos composite material parcel drainage strip.Pack into the stainless steel battery case of Φ 60 * 120 is used the argon arc welding seal welding.Be to discharge under the load of 25A at electric current with battery, operating voltage is 140V, and the operating time can reach more than the 17s, and power output is 3500W.Do not have safety issues such as arc discharge, high-voltage breakdown, overheated, perforation, blast in the discharge process, discharge back battery case as shown in Figure 1.
Comparative Examples 1
Adopt the thermal cell of conventional pile to discharge, when voltage rises to 130V, activate 0.7s after voltage descend rapidly, and be accompanied by battery case perforation, discharge back battery case as shown in Figure 2.
Claims (1)
1. the high temperature resistant pile of thermal cell is characterized in that, adopts mica, asbestos and alumina ceramic composite material to stack isolation between cell and the fastening frame; Adopt mica and asbestos composite material parcel to isolate around the cell; Drainage strip adopts mica and asbestos composite material parcel to isolate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101086139A CN102148338A (en) | 2010-02-10 | 2010-02-10 | High-temperature pile for thermal battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101086139A CN102148338A (en) | 2010-02-10 | 2010-02-10 | High-temperature pile for thermal battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102148338A true CN102148338A (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101086139A Pending CN102148338A (en) | 2010-02-10 | 2010-02-10 | High-temperature pile for thermal battery |
Country Status (1)
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| CN (1) | CN102148338A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701483A (en) * | 2013-12-10 | 2015-06-10 | 上海空间电源研究所 | Insulating protection method for drainage strip of thermal battery |
| CN110970631A (en) * | 2019-11-13 | 2020-04-07 | 上海空间电源研究所 | Miniaturized high-strength mechanical butt joint supporting leg for thermal battery |
| CN111613764A (en) * | 2020-05-27 | 2020-09-01 | 北方特种能源集团有限公司西安庆华公司 | Thermal battery pile electrode lead-out wire insulation protection method |
| CN112582632A (en) * | 2020-12-08 | 2021-03-30 | 北京机电工程研究所 | High-voltage thermal battery |
| CN112615019A (en) * | 2020-12-16 | 2021-04-06 | 北方特种能源集团有限公司西安庆华公司 | Thermal battery combined structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01154466A (en) * | 1987-12-09 | 1989-06-16 | Matsushita Electric Ind Co Ltd | Manufacture of thermal battery |
| JP2001085053A (en) * | 1999-09-17 | 2001-03-30 | Hitachi Ltd | High-temperature sodium secondary battery module |
| CN1509502A (en) * | 2001-05-11 | 2004-06-30 | ��Ԩ��ѧ��ҵ��ʽ���� | Separator for solid polymer type fuel cell and method for producing same |
| CN101600571A (en) * | 2007-01-30 | 2009-12-09 | 旭化成电子材料株式会社 | Multilayer porous film and manufacture method thereof |
-
2010
- 2010-02-10 CN CN2010101086139A patent/CN102148338A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01154466A (en) * | 1987-12-09 | 1989-06-16 | Matsushita Electric Ind Co Ltd | Manufacture of thermal battery |
| JP2001085053A (en) * | 1999-09-17 | 2001-03-30 | Hitachi Ltd | High-temperature sodium secondary battery module |
| CN1509502A (en) * | 2001-05-11 | 2004-06-30 | ��Ԩ��ѧ��ҵ��ʽ���� | Separator for solid polymer type fuel cell and method for producing same |
| CN101600571A (en) * | 2007-01-30 | 2009-12-09 | 旭化成电子材料株式会社 | Multilayer porous film and manufacture method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张世全: "高性能长寿命热电池的研制", 《现代引信》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701483A (en) * | 2013-12-10 | 2015-06-10 | 上海空间电源研究所 | Insulating protection method for drainage strip of thermal battery |
| CN104701483B (en) * | 2013-12-10 | 2017-10-27 | 上海空间电源研究所 | A kind of thermal cell drainage strip insulation protection method |
| CN110970631A (en) * | 2019-11-13 | 2020-04-07 | 上海空间电源研究所 | Miniaturized high-strength mechanical butt joint supporting leg for thermal battery |
| CN111613764A (en) * | 2020-05-27 | 2020-09-01 | 北方特种能源集团有限公司西安庆华公司 | Thermal battery pile electrode lead-out wire insulation protection method |
| CN112582632A (en) * | 2020-12-08 | 2021-03-30 | 北京机电工程研究所 | High-voltage thermal battery |
| CN112615019A (en) * | 2020-12-16 | 2021-04-06 | 北方特种能源集团有限公司西安庆华公司 | Thermal battery combined structure |
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Application publication date: 20110810 |