TWI642226B - Ignition component and thermal battery having the same - Google Patents
Ignition component and thermal battery having the same Download PDFInfo
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Abstract
本發明係提供一種引燃元件,包含:無石綿成分的陶瓷纖維;鋯粉;以及鉻酸鋇。本發明亦提供一種熱電池,包含:一殼體;一端蓋,其係覆蓋該殼體,且與該殼體共同定義一內部空間;一對端子,其係穿越該端蓋;一激發元件,其係設置於該內部空間內,且與該對端子電性連接;如上所述之一引燃元件,其係設置於該內部空間內,且鄰近該激發元件;以及一電池堆,其係設置於該內部空間內,與該對端子電性連接,且鄰近該引燃元件。本發明之引燃元件及應用該引燃元件之熱電池可應用於飛彈的電源。The present invention provides a igniting element comprising: a ceramic fiber having no asbestos component; zirconium powder; and strontium chromate. The invention also provides a thermal battery comprising: a housing; an end cover covering the housing and defining an internal space together with the housing; a pair of terminals passing through the end cover; an excitation element, The system is disposed in the inner space and electrically connected to the pair of terminals; one of the ignition elements as described above is disposed in the inner space and adjacent to the excitation element; and a battery stack is provided In the internal space, the pair of terminals are electrically connected and adjacent to the ignition element. The ignition element of the present invention and the thermal battery to which the ignition element is applied can be applied to a power source of a missile.
Description
本發明係關於一種引燃元件,特別關於一種使用無石綿成分的引燃元件。本發明亦關於一種應用該引燃元件之熱電池。The present invention relates to a igniting element, and more particularly to an igniting element using a non-asbestos component. The invention also relates to a thermal battery to which the ignition element is applied.
熱電池是一種熱激發活化的預儲式電池,儲備時電解質為不導電的固體,使用時透過電源或撞擊引燃其内部的活化鏈及熱片,使電解質熔融成為導電的離子導體而被活化,電池工作温度為400-600℃。熱電池活化鏈是由激發元件與引燃元件所組合而成。A thermal battery is a thermally activated and activated pre-storage battery. When stored, the electrolyte is a non-conductive solid. When used, it is activated by a power source or an impact igniting its internal activation chain and a heat sheet to melt the electrolyte into a conductive ion conductor. The battery operating temperature is 400-600 °C. The heat battery activation chain is a combination of an excitation element and an ignition element.
常用的電解質為氯化鉀-氯化鋰的共晶鹽或鹵化鋰的混合物,負極活性物質多用鋰系金屬合金,正極活性物質用以釩、鐵、鈷、鎳為主的金屬硫化物或氧化物等作為電化學系統。熱片是熱電池內部的熱源,由鐵粉與過氯酸鉀混合而得。The commonly used electrolyte is a mixture of potassium chloride-lithium chloride eutectic salt or lithium halide, the negative electrode active material is mostly made of a lithium metal alloy, and the positive electrode active material is used for vanadium, iron, cobalt, nickel-based metal sulfide or oxidation. Things etc. act as electrochemical systems. The hot film is a heat source inside the heat battery and is obtained by mixing iron powder with potassium perchlorate.
具備可高功率輸出的特性,熱電池多作為飛彈的電源(US4675257、US5382479、US7354678)。為了達到30年以上的使用壽限、對抗工作時因熱分解而產生的高壓、達成耐高環境應力等等因素,一般係將熱電池以金屬容器密封。熱電池端蓋上的金屬端子係以玻璃融封技術而製得,主要作為熱電池被活化時外部電源及活化後電力輸出的路徑,此為電源熱激發活化的構型。With high power output characteristics, the thermal battery is mostly used as a power source for missiles (US4675257, US5382479, US7354678). In order to achieve a service life of more than 30 years, to deal with high pressure due to thermal decomposition during work, to achieve high environmental stress, and the like, the heat battery is generally sealed in a metal container. The metal terminal on the thermal battery end cap is made by a glass melting technique, mainly as a path for external power supply and activated power output when the thermal battery is activated, which is a configuration in which the power source is thermally activated and activated.
傳統上係以線橋(Wire-Bridge)之加熱方式作為火炸藥的起始激發元件的電源引燃,然而,此一方式容易受到電磁波的影響而導致誤作動,致使失效。為了要克服電磁干擾的問題,選用高激發電流的起始激發元件,容易造成系統的過負載。以半導體微結構(Semiconductor-Bridge)加熱作為引燃的方法(SAND96-0862C、US4708060、US586570)取代線橋結構的加熱方式,可克服電磁波的效應。因應火藥成分對於半導體微結構的腐蝕效應,雷射引燃火藥的技術於是因應而生,此一技術通常以雷射產生器、透鏡、光纎等所組合的雷射引燃器做為激發元件(SAND87-3032、DSTO-TR-0068、SAND2005-0072)。或將光纖與火炸藥直接結合(DSTO-TR-1448)。中華人民共和國專利申請公布號CN106169588A,所揭示之激活裝置係以激光發生器通過激光傳能光纖與激光點火炬(由透鏡、發火藥、隔板體組成)的組合。Conventionally, a wire-bridge heating method is used as a power source for starting the excitation element of the explosive. However, this method is susceptible to electromagnetic waves and causes malfunction, resulting in failure. In order to overcome the problem of electromagnetic interference, the use of a high excitation current starting excitation element is likely to cause an overload of the system. The semiconductor microstructure (Semiconductor-Bridge) heating as a method of ignition (SAND96-0862C, US4708060, US586570) replaces the heating method of the wire bridge structure, and can overcome the effect of electromagnetic waves. In response to the corrosive effect of the composition of the gunpowder on the microstructure of the semiconductor, the technology of laser-igniting the gunpowder is born accordingly. This technology usually uses a laser ignitor combined with a laser generator, a lens, an aperture, etc. as the excitation element. (SAND87-3032, DSTO-TR-0068, SAND2005-0072). Or directly combine the fiber with the explosive (DSTO-TR-1448). The activation device disclosed in the Patent Application Publication No. CN106169588A of the People's Republic of China is a laser generator that combines a laser energy transmitting fiber with a laser ignition torch (composed of a lens, a pyrotechnic, and a separator).
激發元件釋放的能量與點燃引燃元件所需的能量,必須適當的匹配,確保活化鏈能正常的運作,可以活化熱電池。The energy released by the excitation element and the energy required to ignite the ignition element must be properly matched to ensure proper operation of the activation chain and activate the thermal battery.
傳統之引燃元件是由熱紙製作而成,熱紙是以石綿纖維為主的基材(CN1068483),沉積或混合以鋯粉及鉻酸鋇混合物為主的引燃火藥。The traditional ignition element is made of hot paper, which is a base material based on asbestos fibers (CN1068483), which is deposited or mixed with a mixture of zirconium powder and strontium chromate.
無石綿的產品已是普世的基本要求。然而天然石綿纖維的優點,不是一般合成纖維所能取而代之的。由石綿纖維製成的石綿紙具有沖製、裁切的易加工性、優越的熱阻絕、高溫環境下的尺寸穩定性,尤其是用於熱電池內部的絕熱材料及發熱元件的基材。為確保活化鏈能可以活化熱電池,對於引燃元件的組成成分、成分特性等等參數,必須重新設計開發。Non-asbestos products are the basic requirements of the universal. However, the advantages of natural asbestos fibers are not replaced by ordinary synthetic fibers. The stone tissue paper made of asbestos fiber has the processing property of punching and cutting, superior heat resistance, dimensional stability under high temperature environment, especially the substrate for heat insulating material and heating element inside the heat battery. In order to ensure that the activation chain can activate the thermal battery, parameters such as composition and composition characteristics of the ignition element must be redesigned.
本發明之一目的在於提供一種引燃元件,藉此取代傳統之以石綿纖維為基材之引燃元件。It is an object of the present invention to provide a pilot element that replaces a conventional ignition element based on asbestos fibers.
為達上述目的及其他目的,本發明提出一種引燃元件,包含: 無石綿成分的陶瓷纖維; 鋯粉;以及 鉻酸鋇。To achieve the above and other objects, the present invention provides an ignition element comprising: a ceramic fiber having no asbestos composition; zirconium powder; and barium chromate.
於本發明之一實施例中,該引燃元件係為條狀或柱狀。In an embodiment of the invention, the ignition element is in the form of a strip or a column.
於本發明之一實施例中,該引燃元件的熱量係為320~400 cal/g。In an embodiment of the invention, the ignition element has a heat of 320 to 400 cal/g.
於本發明之一實施例中,該無石綿成分的陶瓷纖維的材料係選自由氧化鈉、氧化鎂、氧化鈣、氧化鋁及氧化矽所組成之群組。In an embodiment of the invention, the material of the non-asbestos-containing ceramic fiber is selected from the group consisting of sodium oxide, magnesium oxide, calcium oxide, aluminum oxide, and cerium oxide.
於本發明之一實施例中,該無石綿成分的陶瓷纖維的直徑係為0.2~3.0 μm。In an embodiment of the invention, the non-asbestos-containing ceramic fiber has a diameter of 0.2 to 3.0 μm.
於本發明之一實施例中,該引燃元件中,該無石綿成分的陶瓷纖維的重量百分比係為10~20%。In an embodiment of the invention, in the ignition element, the weight percentage of the non-asbestos-containing ceramic fiber is 10-20%.
本發明之另一目的在於提供一種熱電池,藉此取代傳統之含石綿成分之熱電池。Another object of the present invention is to provide a thermal battery in place of a conventional thermal battery containing asbestos-containing components.
為達上述目的及其他目的,本發明亦提出一種熱電池,包含: 一殼體; 一端蓋,其係覆蓋該殼體,且與該殼體共同定義一內部空間; 一對端子,其係穿越該端蓋; 一激發元件,其係設置於該內部空間內,且與該對端子電性連接; 如上所述之一引燃元件,其係設置於該內部空間內,且鄰近該激發元件;以及 一電池堆,其係設置於該內部空間內,與該對端子電性連接,且鄰近該引燃元件。To achieve the above and other objects, the present invention also provides a thermal battery comprising: a housing; an end cover covering the housing and defining an internal space together with the housing; a pair of terminals that are traversed The end cap; an excitation element disposed in the inner space and electrically connected to the pair of terminals; one of the ignition elements as described above disposed in the inner space and adjacent to the excitation element; And a battery stack disposed in the internal space, electrically connected to the pair of terminals, and adjacent to the ignition element.
於本發明之一實施例中,該激發元件係為雷射元件、電火柴或點火器。In one embodiment of the invention, the excitation element is a laser element, an electric match or an igniter.
於本發明之一實施例中,該雷射元件包括: 一雷射二極體;以及 一透鏡,其係設置於該雷射二極體的光路中。In an embodiment of the invention, the laser element comprises: a laser diode; and a lens disposed in the optical path of the laser diode.
於本發明之一實施例中,該雷射二極體之發光波長係為760~980 nm。In an embodiment of the invention, the laser diode has an emission wavelength of 760 to 980 nm.
於本發明之一實施例中,該雷射二極體之功率係為200~1000 mW。In an embodiment of the invention, the power of the laser diode is 200 to 1000 mW.
於本發明之一實施例中,該電池堆係具有一中心空孔,該引燃元件係設置於該中心空孔中。In an embodiment of the invention, the battery stack has a central aperture, and the ignition element is disposed in the central aperture.
於本發明之一實施例中,該引燃元件係設置於該電池堆的邊緣。In an embodiment of the invention, the ignition element is disposed at an edge of the stack.
於本發明之一實施例中,該激發元件係設置於鄰近該熱電池之頂部的位置。In an embodiment of the invention, the excitation element is disposed adjacent to the top of the thermal battery.
於本發明之一實施例中,該激發元件係設置於鄰近該熱電池之底部的位置。In an embodiment of the invention, the excitation element is disposed adjacent to a bottom of the thermal battery.
激發元件釋放的能量與點燃引燃元件所需的能量以及引燃元件釋放的能量與點燃熱片所需的能量,其間必須適當的匹配,確保活化鏈能正常的運作,可以活化熱電池。以無石綿成分的陶瓷纖維、鋯粉及鉻酸鋇混合製作熱紙,再加工製成引燃元件。三者必須是適當的比例,可將引燃元件瞬間完全點燃,仍保持其外觀的完整性。The energy released by the excitation element and the energy required to ignite the ignition element and the energy released by the ignition element and the energy required to ignite the heat sheet must be properly matched to ensure proper operation of the activation chain and activate the thermal battery. The hot paper is made by mixing ceramic fiber, zirconium powder and strontium chromate without asbestos component, and then processed into an ignition element. The three must be in the proper proportions to allow the ignition element to be fully ignited instantaneously while still maintaining its appearance integrity.
藉此,本發明之引燃元件及應用該引燃元件之熱電池可避免含石綿之組成成分對於人體及環境的危害。Thereby, the ignition element of the present invention and the thermal battery using the ignition element can avoid the harm of the components containing the asbestos to the human body and the environment.
為充分瞭解本發明之目的、特徵及功效,茲藉由下述具體之實施例,並配合所附之圖式,對本發明做一詳細說明,說明如後:In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings.
實施例1:Example 1:
本實施例之引燃元件係藉由下列程序製備:The ignition element of this embodiment is prepared by the following procedure:
將鉻酸鋇、鋯粉、無石綿成分的陶瓷纖維等加入純水,攪拌30分鐘。將此混合均勻的漿料沉積、過濾、加壓成形,製得無石綿成分的熱紙。進一步依實際需求將該熱紙沖裁成條狀之引燃元件,或將該熱紙滾壓成柱狀之引燃元件。The strontium chromate, the zirconium powder, the ceramic fiber without the asbestos component, and the like were added to pure water and stirred for 30 minutes. The uniformly mixed slurry was deposited, filtered, and pressure molded to obtain a thermal paper free of asbestos. Further, the hot paper is punched into a strip-shaped ignition element according to actual needs, or the hot paper is rolled into a columnar ignition element.
本實施例之引燃元件中,該無石綿成分的陶瓷纖維的重量百分比係為15%;鋯粉的重量百分比係為40%;以及鉻酸鋇的重量百分比係為45%,但本發明並不限於此。較佳地,係調整該等成分之比例,使所製得之引燃元件的熱量介於320~400 cal/g之間。In the ignition element of the embodiment, the weight percentage of the non-asbestos-containing ceramic fiber is 15%; the weight percentage of zirconium powder is 40%; and the weight percentage of strontium chromate is 45%, but the present invention Not limited to this. Preferably, the ratio of the components is adjusted such that the heat of the igniting element produced is between 320 and 400 cal/g.
本實施例中,該無石綿成分的陶瓷纖維係包含氧化矽,但本發明並不限於此。較佳地,該無石綿成分的陶瓷纖維的材料係選自由氧化鈉、氧化鎂、氧化鈣、氧化鋁及氧化矽所組成之群組。In the present embodiment, the non-asbestos-containing ceramic fiber contains cerium oxide, but the present invention is not limited thereto. Preferably, the material of the non-asbestos-containing ceramic fiber is selected from the group consisting of sodium oxide, magnesium oxide, calcium oxide, aluminum oxide and cerium oxide.
本實施例中,係將該無石綿成分的陶瓷纖維的直徑控制在1.5~2.0 μm之間,但本發明並不限於此。較佳地,係將該無石綿成分的陶瓷纖維的直徑控制在0.2~3.0 μm之間。In the present embodiment, the diameter of the non-asbestos-containing ceramic fiber is controlled to be between 1.5 and 2.0 μm, but the present invention is not limited thereto. Preferably, the diameter of the non-asbestos-containing ceramic fiber is controlled to be between 0.2 and 3.0 μm.
實施例2:Example 2:
如圖1所示,本實施例之熱電池1係包含:一殼體10;一端蓋11,其係覆蓋該殼體10,且與該殼體10共同定義一內部空間12;一對端子20,其係穿越該端蓋11;一激發元件30,其係設置於該內部空間12內,且與該對端子20電性連接;經由實施例1所製備之一引燃元件40,其係設置於該內部空間12內,且鄰近該激發元件30;以及一電池堆50,其係設置於該內部空間12內,與該對端子20電性連接,且鄰近該引燃元件40。As shown in FIG. 1 , the thermal battery 1 of the present embodiment comprises: a housing 10; an end cover 11 covering the housing 10 and defining an internal space 12 together with the housing 10; a pair of terminals 20 Passing through the end cover 11; an excitation element 30 is disposed in the internal space 12 and electrically connected to the pair of terminals 20; one of the ignition elements 40 prepared through Embodiment 1 is set In the internal space 12, adjacent to the excitation element 30; and a battery stack 50 disposed in the internal space 12, electrically connected to the pair of terminals 20, and adjacent to the ignition element 40.
本實施例中,該激發元件30係為一電火柴N32B(Daveyfire)。In this embodiment, the excitation element 30 is an electric match N32B (Daveyfire).
本實施例中,該電池堆50係包含多個單元組51,每一單元組51係包括依序堆疊之一熱片52、一陰極片53、一電解質片54及一陽極片55。In this embodiment, the battery stack 50 includes a plurality of unit groups 51, each of which includes a heat sheet 52, a cathode sheet 53, an electrolyte sheet 54, and an anode sheet 55.
本實施例中,該電池堆50係具有一中心空孔,該引燃元件40係設置於該中心空孔中,但本發明並不限於此。亦可將該引燃元件40係設置於該電池堆50的邊緣。該引燃元件40與該電池堆50之間的配置方式並不特別限定,只要能使該引燃元件40充分活化該電池堆50即可。In this embodiment, the battery stack 50 has a central hollow, and the ignition element 40 is disposed in the central hollow, but the invention is not limited thereto. The ignition element 40 can also be disposed at the edge of the stack 50. The arrangement between the igniting element 40 and the battery stack 50 is not particularly limited as long as the igniting element 40 can sufficiently activate the battery stack 50.
本實施例中,該激發元件30係設置於鄰近該熱電池1之頂部的位置,但本發明並不限於此。亦可將該激發元件30係設置於鄰近該熱電池1之底部的位置。該激發元件30配置的位置並不特別限定,只要使其鄰近該引燃元件40,足以激發該引燃元件40即可。In this embodiment, the excitation element 30 is disposed adjacent to the top of the thermal battery 1, but the invention is not limited thereto. The excitation element 30 can also be disposed adjacent to the bottom of the thermal battery 1. The position at which the exciting element 30 is disposed is not particularly limited as long as it is adjacent to the igniting element 40, which is sufficient to excite the igniting element 40.
本實施例中,該電池堆50中之熱片52、陰極片53、電解質片54及陽極片55之組成成分係如先前技術所述。In this embodiment, the components of the hot sheet 52, the cathode sheet 53, the electrolyte sheet 54, and the anode sheet 55 in the stack 50 are as described in the prior art.
經測試,施以1A電流200 msec於該對端子20,可藉由作為激發元件30之電火柴N32B(Daveyfire)將實施例1之引燃元件40點燃,活化該熱電池1。經活化後,該電池堆50所產生之電力係經由該對端子20輸出。After testing, a current of 1 A was applied for 200 msec at the pair of terminals 20, and the ignition element 40 of Example 1 was ignited by an electric match N32B (Daveyfire) as the excitation element 30 to activate the thermal battery 1. After activation, the power generated by the stack 50 is output via the pair of terminals 20.
實施例3:Example 3:
本實施例之熱電池的結構係大致上與實施例2相同,但實施例3之熱電池係以點火器NEI-22(NEI)取代實施例2之電火柴N32B(Daveyfire)作為一激發元件。The structure of the thermal battery of this embodiment is substantially the same as that of the second embodiment, but the thermal battery of the third embodiment replaces the electric match N32B (Daveyfire) of the second embodiment with an igniter NEI-22 (NEI) as an excitation element.
經測試,施以3.5A電流40 msec於本實施例之熱電池的端子,可藉由作為激發元件之點火器NEI-22(NEI)將實施例1之引燃元件點燃,活化該熱電池。After testing, a 3.5 A current of 40 msec was applied to the terminal of the thermal battery of this embodiment, and the ignition element of Example 1 was ignited by an igniter NEI-22 (NEI) as an excitation element to activate the thermal battery.
實施例4:Example 4:
本實施例之熱電池的結構係大致上與實施例2相同,但實施例4之熱電池係以雷射元件取代實施例2之電火柴N32B(Daveyfire)作為一激發元件。The structure of the thermal battery of this embodiment is substantially the same as that of the second embodiment, but the thermal battery of the fourth embodiment replaces the electric match N32B (Daveyfire) of the second embodiment with a laser element as an excitation element.
本實施例中,該雷射元件包括:一雷射二極體;以及一透鏡,其係設置於該雷射二極體的光路中,但本發明並不限於此。In this embodiment, the laser element includes: a laser diode; and a lens disposed in the optical path of the laser diode, but the invention is not limited thereto.
本實施例中,該雷射二極體之發光波長係為980 nm,但本發明並不限於此。較佳地,係使用發光波長介於760~980 nm之間的雷射二極體。In this embodiment, the emission wavelength of the laser diode is 980 nm, but the invention is not limited thereto. Preferably, a laser diode having an emission wavelength between 760 and 980 nm is used.
本實施例中,該雷射二極體之功率係為300 mW,但本發明並不限於此。較佳地,係使用功率介於200~1000 mW之間的雷射二極體。In this embodiment, the power of the laser diode is 300 mW, but the invention is not limited thereto. Preferably, a laser diode having a power between 200 and 1000 mW is used.
經測試,施以0.3 A電流200 msec於本實施例之熱電池的端子,可藉由作為激發元件之雷射二極體將實施例1之引燃元件點燃,活化該熱電池。After testing, a 0.3 A current of 200 msec was applied to the terminal of the thermal battery of this example, and the ignition element of Example 1 was ignited by a laser diode as an excitation element to activate the thermal battery.
如上述實施例1~4所述,施加適當之電流可活化應用本發明之引燃元件的熱電池,具有極佳的可靠度,可將該熱電池應用於飛彈的電源。此外,本發明之引燃元件可以被多種不同激發元件所激發。由此可見,本發明之無石綿成分的引燃元件可充分取代傳統之含有石綿成分的引燃元件,藉此避免含石綿之組成成分對於人體及環境的危害。As described in the above embodiments 1 to 4, application of an appropriate current activates the heat battery to which the ignition element of the present invention is applied, and has excellent reliability, and the heat battery can be applied to the power source of the missile. Furthermore, the ignition elements of the present invention can be excited by a variety of different excitation elements. It can be seen that the ignition component without the asbestos component of the present invention can completely replace the conventional ignition component containing the asbestos component, thereby avoiding the harm of the components containing the asbestos to the human body and the environment.
本發明在上文中已以較佳實施例揭露,然熟習本項技術者應理解的是,該實施例僅用於描繪本發明,而不應解讀為限制本發明之範圍。應注意的是,舉凡與該實施例等效之變化與置換,均應設為涵蓋於本發明之範疇內。因此,本發明之保護範圍當以申請專利範圍所界定者為準。The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.
1‧‧‧熱電池1‧‧‧Heat battery
10‧‧‧殼體10‧‧‧shell
11‧‧‧端蓋11‧‧‧End cover
12‧‧‧內部空間12‧‧‧Internal space
20‧‧‧端子20‧‧‧ terminals
30‧‧‧激發元件30‧‧‧Excitation element
40‧‧‧引燃元件40‧‧‧ ignition components
50‧‧‧電池堆50‧‧‧Battery stack
51‧‧‧單元組51‧‧‧Unit Group
52‧‧‧熱片52‧‧‧hot film
53‧‧‧陰極片53‧‧‧ cathode film
54‧‧‧電解質片54‧‧‧ electrolyte tablets
55‧‧‧陽極片55‧‧‧Anode film
[圖1]係為本發明實施例2之熱電池的示意圖。Fig. 1 is a schematic view showing a heat battery of Embodiment 2 of the present invention.
Claims (5)
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1348227A (en) * | 2000-06-05 | 2002-05-08 | 伊格尔-皮彻技术有限责任公司 | Thermal battery with improved performance |
US20070099080A1 (en) * | 2005-10-28 | 2007-05-03 | Pickett David F Jr | Thermal battery with reduced operational temperature |
US20140272504A1 (en) * | 2013-03-15 | 2014-09-18 | Eaglepicher Technologies, Llc | Wound thermal batteries and methods of manufacturing the same |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1348227A (en) * | 2000-06-05 | 2002-05-08 | 伊格尔-皮彻技术有限责任公司 | Thermal battery with improved performance |
US20070099080A1 (en) * | 2005-10-28 | 2007-05-03 | Pickett David F Jr | Thermal battery with reduced operational temperature |
US20140272504A1 (en) * | 2013-03-15 | 2014-09-18 | Eaglepicher Technologies, Llc | Wound thermal batteries and methods of manufacturing the same |
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