1) spinel LiMn2O4
尖晶石型LiMn2O4
1.
The effects of amounts of citric acid and concentrations of nitric acid on spinel LiMn2O4 prepared by liquid combustion synthesis using manganese acetate,lithium acetate as raw materials and citric acid as fuel were studied.
以醋酸锰和醋酸锂为原料,柠檬酸为燃料,研究了不同柠檬酸用量及不同硝酸浓度改性对液态燃烧合成法制备尖晶石型LiMn2O4的影响。
2.
The particle size of spinel LiMn2O4 obtained is only 10-100nm and uniform, and the experiments show that the electrochemical per- formance of the investigated material is comparable with the commercial LiMn2O4.
采用柠檬酸络合无焰燃烧法制备锂离子电池正极材料尖晶石型LiMn2O4,颗粒大小只有10-100nm,晶型完整,电化学性能与国内外商品化的同种材料相当。
3.
A new low temperature molten-combustion method was introduced to prepare spinel LiMn2O4.
采用一种新的低温熔盐燃烧法制备尖晶石型LiMn2O4物质。
2) spinel LiMn_2O_4
尖晶石型LiMn2O4
1.
The main preparation processes of spinel LiMn_2O_4 are solid-phase synthesis, hydrothermal synthesis,coprecipition method and sol-gel method.
尖晶石型LiMn2O4作为锂离子电池的正极材料之一是近年来的研究热点。
3) spinel LiMn_2O_4 ceramic
尖晶石型LiMn2O4陶瓷
4) Spinel LiMn_2O_4
尖晶石LiMn2O4
1.
The compatibilities of six kinds of electrolytes with positive electrode active materials spinel LiMn_2O_4 and LiCoO_2 were studied.
研究锂离子电池正极活性材料尖晶石LiMn2O4和LiCoO2与6种电解液充、放电时的相容性。
2.
The surface of spinel LiMn_2O_4 was modified by electroless plating.
采用化学镀包覆方法对尖晶石LiMn2O4进行表面改性。
3.
The crystal structure of spinel LiMn_2O_4 was described in detail;the synthetic methods for the preparation of LiMn_2O_4 developed in recent years were reviewed,the advantages and drawbacks of each method were compared and analyzed.
在描述了尖晶石LiMn2O4的晶体结构基础上,综述了包括高温固相反应法、微波烧结法、固相配位反应法等固相合成法以及Pechini法、共沉淀法、溶胶-凝胶法等软化学合成法在内的尖晶石LiMn2O4的常用合成方法及其优缺点。
5) Spinel LiMn 2O 4
尖晶石LiMn2O4
6) spinel LiMn2O4
尖晶石LiMn2O4
1.
The compatibilities of electrolytes based on LiBF4 salt and positive electrode active materials spinel LiMn2O4 and LiCoO2 for Lithium ion batteries were studied.
对锂离子电池(LIB)正极材料尖晶石LiMn2O4和LiCoO2与LiBF4作溶质电解液的匹配性进行了研究。
2.
The spherical spinel LiMn2O4 powders were synthesized by sintering the MnO2 precursor mixed with LiOH·H2O by controlling the molar ratio of metal ions Li+: Mn2+ at 750℃ for 8h.
H2O为锂源,按照一定锂锰摩尔比混合,在750℃下焙烧8h,得到球形尖晶石LiMn2O4。
3.
Recently,many researchers have studied to modity LiMn2O4 by doping rare earths,and improved the electrochemical properties and structural stability of spinel LiMn2O4 effectively.
尖晶石LiMn2O4作为锂离子电池最有潜力的正极材料已经成为研究的热点,但其在充放电过程中结构的不稳定制约了其应用。
补充资料:尖晶石型结构
分子式:
CAS号:
性质:又称正尖晶石结构。通式AB2O4型,是离子晶体中的一个大类。等轴晶系。A为二价阳离子,如Mg2+,Fe2+,CO2+,Ni2+,Mn2+,Zn2+,Cd2+等;B为三价阳离子,如Al3+,Fe3+,CO3+,Cr3+,Ga3+等。结构中O2-离子作立方紧密堆积,其中A离子填充在四面体空隙中,B离子在八面体空隙中,即A2+离子为4配位,而B3+为6配位。以镁铝尖晶石MgAl2O4为典型代表,常见的还有FeAl2O4等,此外,还有B为4价阳离子的系列,如Mg2TiO4和Mn2TiO4等许多复合氧化物。一系列硫化物如FeCr2S4,Co3S4等也都被称作具有尖晶石型结构化合物。尖晶石型化合物结构较稳定,有的可用作高温耐火材料,有的可用作电子陶瓷材料。
CAS号:
性质:又称正尖晶石结构。通式AB2O4型,是离子晶体中的一个大类。等轴晶系。A为二价阳离子,如Mg2+,Fe2+,CO2+,Ni2+,Mn2+,Zn2+,Cd2+等;B为三价阳离子,如Al3+,Fe3+,CO3+,Cr3+,Ga3+等。结构中O2-离子作立方紧密堆积,其中A离子填充在四面体空隙中,B离子在八面体空隙中,即A2+离子为4配位,而B3+为6配位。以镁铝尖晶石MgAl2O4为典型代表,常见的还有FeAl2O4等,此外,还有B为4价阳离子的系列,如Mg2TiO4和Mn2TiO4等许多复合氧化物。一系列硫化物如FeCr2S4,Co3S4等也都被称作具有尖晶石型结构化合物。尖晶石型化合物结构较稳定,有的可用作高温耐火材料,有的可用作电子陶瓷材料。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条