查询词典 spinel ruby

lithium ion battery,cathode material,spinel,LiMn_(2)O_(4),coat

对于LiMn2O4作正极材料的锂离子电池在高温下的容量衰减，其主要

On the base of reviewing the development of lithium ion battery and its cathode materials in detail, spinel LiMn〓O〓 and layered LiMnO〓 were chosen and their synthesis and modification were studied.

本文在详细评述了锂离子电池及其正极材料研究进展的基础上，选取锰系材料中最稳定的尖晶石LiMn〓O〓和目前容量最高的层状LiMnO〓为研究对象，对其合成和改性进行了详细研究。

The capacity retention of LiAlO〓-modified spinel LiMn〓O〓 is more than 94% after 500 cycles at room temperature and more than 90% after 200 cycles at 55℃ at 1C charge-discharge rate.

表面改性材料性能的改善主要归结于表面固溶体的保护作用与晶体结构稳定性的提高。

However, the spinel LiMn〓O〓 and olivine LiFePO〓 are very hopeful material with low price and few toxic and higher specific capacity, etc.

本文从降低锂离子电池的生产成本和提高材料的稳定性出发，主要研究尖晶石LiMn〓O〓和橄榄石LiFePO〓的合成制备方法，以及掺杂提高电池材料的稳定性等问题。

According to the radius of doping metal ions and lattice parameter of doping samples, it was confirmed that doping metal ions replaced the Mn〓 of spinel LiMn〓O〓.

根据掺杂阳离子的半径和掺杂对尖晶石LiMn〓O〓晶格常数的影响规律确定了掺杂阳离子是进入到原来Mn〓占据的位置。

The resultant LiMn 2O 4 synthesized under the optimum synthesis conditions has perfect spinel structure and is an excellent ca...

在最佳合成条件下，即Li／Mn＝1／2及温度800℃，制备的LiMn2O4具有完美的尖晶石结构及良好的电化学性能，完全可以用于高比能长寿命的锂离子蓄电池。

To improve the behavior of spinel LiMn〓O〓, We used the doping with the donor Li〓, Al〓, and Cl〓.

还采用LiCoO〓和Al〓O〓包覆处理LiMn〓O〓，也能提高LiMn〓O〓材料的稳定性。

The main content of this thesis includes: studies on the preparation, surface-modification mechanism and electrochemical performance improvement of spinel LiMn〓O〓; Preparation and properties of 5V cathode materials 〓; Physical properties and electrochemical performance studies on layered 〓 for lithium ion batteries.

本论文的主要研究内容包括：正尖晶石LiMn〓O〓的制备、表面修饰改性机理以及电化学性能的改善；具有正尖晶石结构的5伏正极材料〓的合成与性能探索；具有层状结构的镍锰基化合物〓的物理性质与其作为锂离子电池正极材料的电化学性能以及该材料的产业化探索。

The spinel has been synthesized by reaction sintering from natural magnesite and alumina.

本文采用天然菱镁矿和高铝矾土，通过反应烧结方法制备出镁铝尖晶石。

Modified spinel lithium manganate with zirconium doped LiMn(subscript 2-x)ZrO4 (x=0, 0.01, 0.02, 0.04, 0.06, 0.08, 0.10) used for cathode of lithium-ion batteries was prepared by solid-state method.

采用高温固相法合成了掺杂改性的尖晶石型LiMn(下标 2-x)ZrO4(x=0， 0.01， 0.02， 0.04， 0.06， 0.08， 0.10)作为锂离子电池阴极材料。

Newly designed quick-refill fuel tank cap and dust proof radio box back-up their impressive form by also contributing to the low center of gravity.

新设计的快速填充油箱盖和防尘电台方块备份其令人印象深刻的形式也有助于低重心。

The book is a spin-off from his master's thesis.

这本书是他的硕士论文的派生作品。