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

页码：34 / 40

页数：7

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