spinel structure 中文意思是什麼
spinel structure
解釋
尖晶石型結構-
( c ) the total energy of manganate - oxides materials decreases after intercalation lithium. the electrovalent bond weakens and the covalent bond strengthen between manganese and oxygen due to ion polarization effect, which makes the spinel structure more stable
（ 3 ）對于錳系材料嵌鋰后，體系總能量降低；鋰離子的靜電作用和極化作用，使錳氧之間的離子鍵成分減小，共價鍵成分增加，整個尖晶石骨架結構更加穩定。 -
It ' s obtained that ph = 6. 5 is a suited ph value for getting ideal product with good properties. the calcinate temperature is the key factors to transform the precursor to a pure product with spinel structure
研究了不同的工藝條件如溶液ph值、焙燒溫度、焙燒時間、焙燒方式、 li / mn的比值對產物結構的影響。 -
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
結果表明焙燒溫度是影響產物結構性能的最重要的因素，最佳焙燒溫度為500 ，溫度小於200不能形成完整的尖晶石結構，而焙燒溫度超過500產物會發生分解；綜合考慮焙燒時間最佳為8小時；溶液ph值也是影響產物性能的因素之一，實驗證明前驅體合成ph = 9 . 0最佳；另外不同的原料也會影響產物的結構，考察了不同鋰源的影響，選擇li _ 2co _ 3為最佳鋰源。 -
The compound mg, which occurs in nature as the mineral spinel, has a structure based on ccp array of oxide ions.
化合物Mg它是自然界中的尖晶石礦，它的基本構型是氧離子具有CCP的排列。 -
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構與合成方法，指出固相配位反應法和水熱合成法極具發展前景。 -
This is a blue colour stain with a spinel structure, widely used in glazes
這淺藍色料具有尖晶石結構，廣泛適用於不釉中。 -
Above investigation shows that the reason why dopant can improve cycling performance is that the bond energy between doped element and oxygen is stronger than that of mn - 0 to stabilize the spinel structure
研究認為，摻雜改善循環性能的主要原因是摻雜元素與氧的鍵能強于錳與氧的鍵能而起到了穩定結構的作用。 -
The preparation and structure properties of spinel limn204 as a positive active material for lithium - ion battery were studied
論文採用了低溫液相方法制備正尖晶石型錳的嵌鋰氧化物正極材料。 -
The pure sample with spinel structure can be easily prepared by optimizing the processing parameters. the typical product is limnio4 with the cell constant a = 8. 235 and the powder size belongs to nanometer and sub - micrometer
表明用改進的檸檬酸配合法可以合成出單相正尖晶石limn _ 2o _ 4 ，其典型的試樣組成為limn _ 2o _ 4 ，晶格常數= 8 . 235 ，粒度大小為納米級。 -
( 2 ) the oxygen - rich spinel material from sintering the precursor at low temperature changed into perfect spinel structure due to releasing the excess oxygen when raised the sintering temperature slowly, which caused the lattice expanded and at the same time the system energy lowered and the bonding energy raised, and tansformed into the stoichiometric limn2o4 at 700
（ 2 ）低溫燒結合成的材料為富氧型尖晶石材料，隨著溫度的升高，結構中多餘的氧逐漸釋放，系統能量降低，結合能增加，品格發生膨脹，樣品向完整的尖晶石結構逐漸過渡。 700得到的材料為化學量的limn _ 2o _ 4 。 -
The recent developments in normal spinel limn2o4 were reviewed, in the process of the solid state synthesis, we researched the effect of materials and synthesis temperature on crystal structure and electrochemical performance, which were characterized by dta - tg, sem, xrd as well as electrochemical performance testing. the structure, electrochemical performance and the correlations between them were all discussed in detail for these doped samples
本文在綜述國內外鋰離子電池尖晶石型材料limn _ 2o _ 4研究進展的基礎上，結合dta - tg 、 sem 、 xrd和電化學性能測試等手段，系統研究了固相法制備鋰離子電池正極材料摻鈷錳酸鋰合成原料、合成溫度對所得材料外觀形貌、晶體結構和電化學性能的影響。 -
In this thesis, the rule of electronic structure changes after intercalation and substitution in the layered licoo2, linio2 and the spinel limn2o4 has been studied by using quantum chemical ab initio and density function theory ( dft )
本論文運用量子化學從頭計算和密度泛函方法對層狀結構licoo2 、 linio2和尖晶石結構limn2o4材料進行了較為系統的研究，初步探討這些材料在嵌鋰前後電子結構的變化規律以及錳系摻雜材料摻雜離子對其電子結構的影響。 -
For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect
隨著合成溫度和時間的增加，產物的結構和晶型越趨于完善，但在1100得到的產物有燒結和晶粒增大的現象，恆溫時間超過24h后對材料的性能影響不是很大； li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ，尤其當li mn比為1 . 05 2時，所合成的材料具有較好的電化學性能；通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好，而兩段間隔合成法比兩段連續合成法處理的材料性能更佳；顆粒的粒度隨著球磨時間的延長而減小，比表面昆明理工大學碩士學位論文摘要卻增大，粒度小且分佈范圍窄的材料有利於鏗離子的擴散。 -
In addition, we also studied the influence of magnetic texture treatment, double - layer structure and medium film on the spinel ferrite - based mixed material
同時，初步研究了磁織構化處理、雙層結構及介質膜對尖晶石型鐵氧體基混合吸波材料性能的影響。 -
The layered licoo2, linio2 and the spinel limn2o4 are common cathode materials for lithium - ion cells. there are few theoretic articles about the relationship between the electronic structure and performance of electrode material of lithium - ion cells
鋰離子電池正極材料常見的是具有層狀結構的licoo2 、 linio2和尖晶石結構的limn2o4 ，從理論上研究它們的電子結構與性能的關系的報道不多。 -
The product has perfect - layered structure and high purity, which is favorable to improve its electrochemical properties. ( 4 ) inverse spinel linivo4 has been successfully synthesized by citrate complex sol - gel method. in the preparation process of linivo4, the main factors affecting the structure and purity of the product are the ratio of reactants, the formation process of the sol, the de
（ 9 ）反尖晶石型linivo ;作為鏗離子電池正極材料，具有高達4 . 8v的電壓，每摩爾linivo ;可嵌入6摩爾以上li十離子，初始比容量達1000mah . g一，左右， 50次循環后比容量保持在600mah . g一，左右，是一類特殊的正極材料。
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