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In situ investigation of the discharge of alkaline batteries with synchrotron x-ray and neutron tomographies
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) Zinc particles in an AAAA alkaline battery as imaged by synchrotron x-ray tomography. Completely charged battery and the same battery after two discharging steps (90 and ) is shown: (a) Cross sections through the battery at the same position and measured attenuation coefficients for the different materials (in ); (b) enlargements of the positions marked in (a); (c) 3D view of the zinc particles marked in (b); and (d) corresponding size distributions of the zinc particles for the three stages of discharge. Vertical dashed line represents the average diameters (first moment of the distribution).

Image of FIG. 2.
FIG. 2.

(Color online) Images of a C-block-type alkaline battery in three different stages of discharge as obtained by neutron tomography. Horizontal (a) and vertical (b) cross sections of completely charged battery (left) and after two discharging steps (center and right), measured attenuation coefficients (in ) are given in (a); (c) variation of the attenuation coefficient along the marked lines in (b).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: In situ investigation of the discharge of alkaline Zn–MnO2 batteries with synchrotron x-ray and neutron tomographies