lithium manganese oxide造句
例句與造句
- Synthesis and characterization of lithium manganese oxides
4的合成及表征 - Positive active materials of lithium manganese oxides for lithium - ion batteries
4電池材料的研究現(xiàn)狀 - Research progress on lithium manganese oxides as cathode materials for li - ion battery
鋰離子蓄電池正極材料鋰錳氧化物的研究進(jìn)展 - Progress on layered lithium manganese oxide as cathode materials for lithium - ion battery
鋰離子蓄電池正極材料層狀錳基化合物的研究進(jìn)展 - Keywords : lithium - ion secondary batteries , lithium cobalt oxide , lithium nickel oxide , lithium manganese oxide , and nanotechnology
關(guān)鍵詞:鋰離子二次電池、鋰鈷氧化物、鋰鎳氧化物、鋰錳氧化物、奈米科技。 - It's difficult to find lithium manganese oxide in a sentence. 用lithium manganese oxide造句挺難的
- The results show that lioh ? h2o and emd are better and cheaper materials which have no environmental pollution . it was found that the synthesis temperature were important factor . the spinel lithium manganese oxide ,
結(jié)果表明: lioh ? h _ 2o和emd是制備鋰離子電池正極材料摻鈷錳酸鋰較好的合成原料,同時也是廉價、環(huán)保的合成原料; 750 , 20h為較好的合成溫度。 - Spinel lithium manganese oxide as the precursor of lithium ionic sieve is presented with respect to its structure and synthesis method , and the solid - state coordination reaction method and hydrothermal method are considered as promising ways of synthesis
摘要介紹了作為鋰離子篩前體的尖晶石型鋰錳氧化物的結(jié)構(gòu)與合成方法,指出固相配位反應(yīng)法和水熱合成法極具發(fā)展前景。 - Lithium manganese oxides have advantages as the positive active materials for lithium - ion batteries , such as non - toxicity , low cost etc . however , the capacity fade of lithium manganese oxides makes its application difficulty
鋰錳氧化物由于具有污染低,價格便宜等優(yōu)點(diǎn),己經(jīng)成為最有吸引力的鋰離子電池的正極材料。但其容量衰減、循環(huán)壽命短等問題,成為困擾它商品化應(yīng)用的主要障礙。 - In contrast of lithium cobalt oxide , layered lithium manganese oxide is a promising cathode material of lithium batteries because of the abundance of raw material , cheapness , safety and high theoretic capacity . it has been a hotspot for studying at the present time
相對于licoo2 ,層狀limno2原料豐富、價格低廉、環(huán)境友好、理論容量高,是一種有希望應(yīng)用于鋰離子電池的正極材料,目前已成為研究的熱點(diǎn)。 - For resolve the jahn - teller effect , improve the capacities and cycle performance and decrease the cell price , a series of spinel lithium manganese oxides doped by lithium , nickel and titanium were prepared by liquid method
為解決尖晶石鋰錳氧化物在進(jìn)行深度充放電時的jahn - teller效應(yīng)問題,提高電池的比能量和電池壽命以及降低電池成本等問題,本文用液相法合成出一系列用鋰、鎳、鈦摻雜的尖晶石鋰錳氧化物。 - Li4mn5o12 show good properties with 154 . 5 mah / g capacity and good cyclic property . the process of li + inserted / extracted in lithium manganese oxide was discussed . co - doped product shows better cyclic property than li4mn5o12 and has greater change current density
結(jié)果表明, li _ 4mn _ 5o _ ( 12 )電化學(xué)性能優(yōu)良,比容量達(dá)到154 . 5mah g ,循環(huán)性能較好,而且充放電制度對電化學(xué)性能也有一定的影響;以循環(huán)伏安數(shù)據(jù)初步探索了鋰離子脫嵌過程。 - Tremendous efforts are underway on the lithium manganese oxides which are considered to attractive alternatives in term of cost , abundance and nontoxicity for lithium ion battery . the spinel li4mn5o12 and cation - doped lithium manganese oxides were synthesized by sol - gel method which is considered as a promising method
本文以立方晶系尖晶石結(jié)構(gòu)的富鋰鋰錳氧化物為主要研究對象,以檸檬酸為配合劑,用溶膠-凝膠法合成了純凈的單相尖晶石li _ 4mn _ 5o _ ( 12 )以及摻雜產(chǎn)物。 - The characteristic of different products at different calcinating temperatures and time , ph value of solution , raw materials were investigated . the results show that perfect spinel li4mn5o12 crystals whose size belongs to nanometer can be obtained from the precursor of lithium manganese oxides after being calcinated . it is founded that calcinating temperature has great influence on the crystal structure of li4mn5o12 and the optimized temperature is 500
結(jié)果表明焙燒溫度是影響產(chǎn)物結(jié)構(gòu)性能的最重要的因素,最佳焙燒溫度為500 ,溫度小于200不能形成完整的尖晶石結(jié)構(gòu),而焙燒溫度超過500產(chǎn)物會發(fā)生分解;綜合考慮焙燒時間最佳為8小時;溶液ph值也是影響產(chǎn)物性能的因素之一,實驗證明前驅(qū)體合成ph = 9 . 0最佳;另外不同的原料也會影響產(chǎn)物的結(jié)構(gòu),考察了不同鋰源的影響,選擇li _ 2co _ 3為最佳鋰源。 - Owing to the complicated technics and high cost of manufacture , limno2 can not satisfy the applications . the cycle stability is very poor , which is a result of the jahn - teller distortion effect causing by tervalent manganese ion . thus , exploiting the feasible technics of preparation and seeking the method to enhance the cycle stability of layered lithium manganese oxide are the targets of many research groups
由于生產(chǎn)工藝復(fù)雜、成本高,也由于mn3 +強(qiáng)烈的jahn - teller效應(yīng),通常使層狀limno2循環(huán)穩(wěn)定性變差而無法滿足實際應(yīng)用的需要,因此研究適宜的制備工藝,尋求提高limno2循環(huán)穩(wěn)定性的方法成為許多科研人員的奮斗目標(biāo)。