Preparation and Property of Pyrotechnical Battery

Abstract:

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Pyrotechnical battery is successfully prepared, including an anode and cathode having pyrotechnic charges with an excess of fuel-anode and an excess of oxidation agent cathode (Zr, CuO and asbestos), the anode and cathode being separated by a separator formed from LiF, ZrO2 and fibrous sponge. Main performance indexes system of pyrotechnical battery is put forward and tested under the premise of appropriate mass and corresponding size, such as discharge voltage, discharge time, activation time, excitation time, internal resistance, combustion temperature and storage life. The results show that pyrotechnical battery of Zr/CuO system can basically meet application requirements. Activation time is usually about 0.2 s. Discharge voltage is about 1.96 V and the discharge time is up to 13.8 s or more. The internal resistance keeps a low fixed value (0.47Ω , for example). Combustion temperature of pyrotechnic composition can reach 1500.6 °C (the case temperature of battery is lower) to ensure that electrode and separator is adequately melted, consequently, the internal resistance is reduced, and achieving satisfactory discharge effect.

Info:

Periodical:

Advanced Materials Research (Volumes 197-198)

Edited by:

Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng

Pages:

1361-1367

DOI:

10.4028/www.scientific.net/AMR.197-198.1361

Citation:

B. G. Zhao et al., "Preparation and Property of Pyrotechnical Battery", Advanced Materials Research, Vols. 197-198, pp. 1361-1367, 2011

Online since:

February 2011

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Price:

$38.00

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