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| 折扣與優(yōu)惠：團購最低可5折優(yōu)惠 - 了解詳情 | 論文格式：Word格式(*.doc) |  |
摘要:以海綿為模板，硝酸錳與醋酸錳按摩爾質(zhì)量1:1混合加蒸餾水配置錳液，采用模板法制備了多孔錳氧化物,研究不同焙燒溫度對樣品電性能的影響。將所得樣品制成扣式電容器電極材料，并裝配成扣式電容器在LAND電池測試系統(tǒng)上測試其電性能。數(shù)據(jù)分析表明在不同溫度(200～800℃)下焙燒,得到的活性物質(zhì)，充放電性能也不一樣。焙燒溫度較低時（200～600℃）,升高溫度對樣品性能影響比較大, 焙燒溫度較高時（600～800℃）, 升高溫度對樣品性能影響比較小。但是升高溫度對活性物質(zhì)的充放電循環(huán)性能影響是隨溫度的升高循環(huán)曲線平臺寬度增大，瞬間放電現(xiàn)象也隨溫度的升高而更加突出。電性能測試結(jié)果表明，相比之下，200℃30min -600℃90min條件下制備得到的多孔錳氧化物電性能最良好，循環(huán)性能較好,放電比容量也較高，達到0.93186mAh/g。 關(guān)鍵詞：模板法； 多孔錳氧化物；電容器；比容量
Abstract:To sponge as templates nitric acid manganese to acetic acid manganese according to moore 1: 1 mixed quality and vending configuration manganese to adopt a system for a porous manganese oxides, the difference of temperature on the firing of the electrical behavior of the sample. the sample will be made up in a condenser, and the material into the condenser land up in the battery of tests system test its performance. data analysis indicates the temperature (200 ～ 800 ℃) the firing, the activity material or charging and discharge performance. Firing temperature is low （ 200 ～ 600 ℃ ）, the rise of temperature which performance is more important, when the firing at higher temperature （ 600 ～ 800 ℃ ）, the rise of temperature which performance is relatively small. But on the rise of temperature on the activity material charging and discharge performance is the circulation of the temperature increases the width of the platform, a discharge phenomena as the temperature grows and more prominent. Performance test results indicate that, in contrast, 200 ℃ 30min -600 ℃ 90min conditions for the preparation of the porous manganese oxides the good performance and capacity to discharge the highest, more than 0. 93186 mAh /g. Keywords：Template law；Porous manganese oxides ；Capacitor；Than to capacit |
