Li+-ion conductivity of BPO4-Li2O;: the relation between crystal structure and ionic conductivity

被引：21

作者：

Jak, MJG

Kelder, EM

Kaszkur, ZA

Pielaszek, J

Schoonman, J

机构：

[1] Delft Univ Technol, Inorgan Chem Lab, NL-2628 BL Delft, Netherlands

[2] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland

来源：

SOLID STATE IONICS | 1999年 / 119卷 / 1-4期

关键词：

ceramic electrolyte; defect chemistry; Li-doped BPO4; Li+-ion conductivity; nano-structured ceramic;

D O I：

10.1016/S0167-2738(98)00498-6

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：

By combining structural data with electrical data of nano-structured Li-doped BPO4 the relation between crystal structure and Li+-ion conductivity is derived. A maximum ionic conductivity is found by changing the Li-doping level and is related to the structural changes. Previously, two possible defect models for Li-doped BPO4 were derived from structural data, however the maximum conductivity could not be explained by these defect models. From preliminary Rietveld refined X-ray diffraction data this maximum can be attributed to a change in the a- and c-axes and the related tunnel size for Li+ ions. Another possible explanation for the conductivity maximum is the role of the particle size which depends on the Li-doping level. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：159 / 164

页数：6

共 14 条

[1] *ALSN SOFTW INC, 1995, PEAKFIT VERS 4
[2] A PACKAGE FOR IMPEDANCE ADMITTANCE DATA-ANALYSIS
BOUKAMP, BA
[J]. SOLID STATE IONICS, 1986, 18-9 (pt 1) : 136 - 140
[3] *CA R INE, 1998, CRYST 3 1
[4] CROOP EJ, 1965, Patent No. 1388481
[5] Cullity B.D., 1978, ELEMENTS XRAY DIFFRA, V2nd, P102
[6] Lithium ion conductivity of a statically and dynamically compacted nano-structured ceramic electrolyte for Li-ion batteries
Jak, MJG
Kelder, EM
Schoonman, J
Van der Pers, NM
Weisenburger, A
[J]. JOURNAL OF ELECTROCERAMICS, 1998, 2 (02) : 127 - 134
[7] JAK MJG, 1996, EXPLORATORY RES DEV, P58
[8] JAK MJG, UNPUB J SOLID STATE
[9] A new ceramic lithium solid electrolyte for rechargeable swing type batteries
Kelder, EM
Jak, MJG
deLange, F
Schoonman, J
[J]. SOLID STATE IONICS, 1996, 85 (1-4) : 285 - 291
[10] Larson A. C., 1994, GSAS EXPGUI

← 1 2 →