jahn-teller 中文意思是什麼

jahn-teller 解釋
畸變時晶體穩定化能有很大的不同
  • jahn : 雅恩
  • teller : n. 特勒〈姓氏〉。n. 1. 講述者,講故事的人。2. (銀行的)出納員。3. 計算者,(投票的)點票員。4. 【軍事】防空情報報告員。n. -ship teller 的職位。
  1. 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

    由於生產工藝復雜、成本高,也由於mn3 +強烈的jahn - teller效應,通常使層狀limno2循環穩定性變差而無法滿足實際應用的需要,因此研究適宜的制備工藝,尋求提高limno2循環穩定性的方法成為許多科研人員的奮斗目標。
  2. Because f - doped increases the content of mn3 +, which is the active ion at oxido - reduction, so f - doped can increase the initial capacity, but the increased mn + intensified the jahn - teller distortion and the dissolution of mn2 +, both of which deteriorated the cyclability

    表面修飾后的limn _ 2o _ 4晶粒具有良好的抗電解液溶蝕能力, mn的溶解量僅是未經表面修飾材料的1 / 2左右;雖然首次放電容量有所降低,但其循環性能優良。
  3. There are two main factors resulting in fading capacity and poor cyclability, one is the john - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries. during the research of suppressing jahn - teller distortion, low valence cation ( al 、 mg ) and anion ( f ) doped method are usually adopted

    針對limn2o4正極材料在電化學循環過程中發生jahn - teller畸變和mn在電解液中溶解這兩個導致容量衰減和循環性能劣化的關鍵問題,分別採用al 、 mg陽離子摻雜和al / f 、 mg / f陰陽離子復合摻雜兩種措施,對尖晶石結構limn2o4正極材料進行了改性研究。
  4. The significant capacity loss of the spinel limn2o4 during cycling hereby prevents its wider use as cathode materials for lithium secondary batteries. there are two main factors resulting in fading capacity and poor cyclability, one is the jahn - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries

    針對limn _ 2o _ 4正極材料在電化學循環過程中發生jahn - teller畸變和mn在電解液中溶解這兩個導致容量衰減和循環性能劣化的關鍵問題,分別採用陰陽離子復合摻雜和尖晶石晶粒表面包裹兩種措施,對尖晶石結構limn _ 2o _ 4正極材料進行了改性研究。
  5. In the paper, li5mn4o83 + li5mn12o24 -, li5mn16o32 +, li17mn16o329 + clusters selected by " seed atoms " were calculated theoretically by means of the quantum chemical dv - xa calculation method. form the angle of electronic structure, the status of lithium ion and the electrochemical properties of lixmn2o4 were discussed preliminarily according to different conditions ( x = l, 2 ). based on calculation results, it ' s found that the jahn - teller distortion, which was thought to lead to poor cyclability, occurred during the discharge of lixmn204, and we also confirmed the formation of a novel phase with low energy after overdischarge ( x = 2 )

    為了從微觀上認識錳系正極材料的結構和電化學性能之間的關系,本文提出了採用量子化學離散變分x (方法,對結合「種子原子法」選取的li5mn4o83 + 、 li5mn12o24 - 、 li5mn16o32 + 、 li17mn16o329 +等錳系正極材料的原子團簇進行了理論計算,從電子結構上初步探討了鋰離子嵌入正極材料后的存在形式以及鋰離子的嵌入對電極材料電化學性能的影響,同時還從結構上對鋰離子電池的循環性能和容量進行了初步的討論。
  6. A review of the cmr mechanism in perovskites. this chapter gives review of cmr mechanism, earlier research works on gmr mechanism are listed. some special physics concepts, such as double exchange ( de ), jahn - teller ( j - t ) effect, electron - phonon coupling, are interpreted

    第三章綜述了對鈣鈦礦結構氧化物巨磁電阻效應機制的研究,對cmr產生機理做了簡單的介紹,並對諸如雙交換( de )作用、 jahn - teller效應、電荷有序等物理概念有所認識的基礎上總結了已經報道的對巨磁電阻效應機制的研究,最後指出探索cmr效應及其相關現象的途徑。
  7. 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行深度充放電時的jahn - teller效應問題,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。
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