Hydrothermal synthesis and characterization of ''LixV2-delta O4-delta H2O''

被引:48
作者
Chirayil, T
Zavalij, P
Whittingham, MS
机构
[1] SUNY BINGHAMTON,DEPT CHEM,BINGHAMTON,NY 13902
[2] SUNY BINGHAMTON,MAT RES CTR,BINGHAMTON,NY 13902
关键词
hydrothermal synthesis; vanadium oxide; intercalation; rietveld analysis; FTIR of vanadium oxides; lithium batteries;
D O I
10.1016/0167-2738(96)00004-5
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We report here the synthesis of a new layered lithium vanadium oxide using mild hydrothermal methods. The reaction of vanadium oxide in acidic media in the presence of lithium and tetramethyl ammonium ions leads to a tetragonal structure, a = 3.705(1) Angstrom and c = 15.804(1) Angstrom with space group I 4/mmm. This vanadium oxide readily reacts with lithium ions. No tetramethyl ions are incorporated into the structure, but their presence is essential to the formation of the phase. In the absence of lithium ions, the new phase [N(CH3)(4)]V4O10 is formed.
引用
收藏
页码:163 / 168
页数:6
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