In-situ analysis of Li-ion batteries via neutron diffraction

被引：0
|
作者：
Rodriguez, MA [1 ]
Ingersoll, D [1 ]
Doughty, DH [1 ]
机构：
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
来源：
BATTERIES AND SUPERCAPACITORS | 2003年
关键词：
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Feasibility of in-situ neutron diffraction analysis on a commercial Li-ion cell (Sony 18650) has been demonstrated. Time-of-flight (TOF) neutron diffraction data collected on this commercially packaged Li-ion battery indicated a weak but detectable signal from the LiCoO2 cathode. Refined lattice parameters for the LiCoO2 cathode indicated that the unit cell expands along the c-axis and contracts along the a-axis, with an overall unit-cell volume expansion during charging from 3.6V to 4.IV. In-situ neutron diffraction is a useful technique for measuring structure/property relationships on Li-ion batteries. Straightforward improvements in experimental design may significantly improve results of future measurements.
引用
收藏
页码：34 / 40
页数：7
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