軍用電子設(shè)備用高比能鋰原電池研究
本文選題:碳正極 + 雙核金屬酞菁配合物; 參考:《中南大學(xué)》2014年碩士論文
【摘要】:本文擬通過對(duì)影響鋰-亞硫酰氯電池性能的幾個(gè)主要方面進(jìn)行改進(jìn)研究,來提高鋰-亞硫酰氯原電池的電性能及安全性,使得電池能滿足相關(guān)國(guó)軍標(biāo)及用戶的使用要求。 本項(xiàng)目通過對(duì)電池正極材料乙炔黑的表征,選取性能最優(yōu)的正極材料,提高電極的化學(xué)反應(yīng)比表面積和導(dǎo)電性;通過研究、表征高活性電催化劑雙核金屬酞菁配合物,確定最佳的添加劑形態(tài)及添加劑用量,來提高電池工作電壓和容量,減少電池的電壓滯后問題;通過研究合適的安全性電解液添加劑,選取最佳的添加劑用量,提高鋰-亞硫酰氯電池在濫用條件下的安全性;通過對(duì)新工藝的改進(jìn)研究,優(yōu)化電池的正極成型工藝,提高正極電極的比表面積,同事針對(duì)電池生產(chǎn)、使用中的普遍問題,對(duì)電池不銹鋼鋼殼生產(chǎn)工藝、電池密封工藝、電池隔膜工藝、電池卷繞工藝、電池注液工藝進(jìn)行改進(jìn),提高了電池的生產(chǎn)效率,改善了電池使用、儲(chǔ)存中的問題,全面提升電池性能和生產(chǎn)能力。 明確具有最優(yōu)性能的材料及加工工藝后,試制樣品電池,按照相關(guān)的試驗(yàn)要求進(jìn)行鋰電池的性能及安全性檢測(cè)。試驗(yàn)結(jié)論表明,改進(jìn)研究的鋰-亞硫酰氯電池電性能較常規(guī)生產(chǎn)的電池,電池容量、電壓滯后等電性能得到明顯的提升;同時(shí)電池的安全性也能滿足國(guó)軍標(biāo)的相關(guān)要求以及用戶的使用要求。
[Abstract]:In order to improve the electrical performance and safety of lithioyl chloride primary battery, the main aspects affecting the performance of lithioyl chloride battery are studied in this paper. The battery can meet the requirements of the relevant military standards and users. Through the characterization of acetylene black, a cathode material with the best performance, the specific surface area and conductivity of the electrode can be improved. The binuclear metal phthalocyanine complexes of highly active electrocatalyst were characterized and the optimum additive morphology and dosage were determined to increase the working voltage and capacity of the battery and reduce the voltage lag problem of the battery. By studying the appropriate safety electrolyte additive and selecting the best dosage of additive, the safety of lithioyl chloride battery under the condition of abuse is improved, and the positive forming process of the battery is optimized through the improvement of the new process. To improve the specific surface area of the cathode electrode, colleagues improve the production process of stainless steel shell, the sealing process, the diaphragm process, the winding process, the liquid injection process for the battery, for the common problems in the production and use of the battery. It improves the production efficiency of the battery, improves the problems in the use and storage of the battery, improves the performance and production capacity of the battery in an all-round way. After defining the materials and processing technology with the best performance, the sample battery is trial-produced. Test the performance and safety of lithium battery according to relevant test requirements. The experimental results show that the improved lithioyl chloride battery has better performance than the conventional battery, such as battery capacity, voltage lag and so on. At the same time, the battery safety can also meet the relevant requirements of military standards and user requirements.
【學(xué)位授予單位】:中南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TM912
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