The relationship between coefficient of restitution and state of charge of zinc alkaline primary LR6 batteries

被引：16

作者：

Bhadra, Shoham ^{[1
,2
]}

Hertzberg, Benjamin J. ^{[2
,3
]}

Hsieh, Andrew G. ^{[2
,3
]}

Croft, Mark ^{[4
]}

Gallaway, Joshua W. ^{[5
]}

Van Tassell, Barry J. ^{[6
]}

Chamoun, Mylad ^{[7
]}

Erdonmez, Can ^{[7
]}

Zhong, Zhong ^{[8
]}

Sholklapper, Tal ^{[9
]}

Steingart, Daniel A. ^{[2
,3
]}

机构：

[1] Princeton Univ, Elect Engn, Princeton, NJ 08540 USA

[2] Princeton Univ, Andlinger Ctr Energy & Environm, Princeton, NJ 08540 USA

[3] Princeton Univ, Mech & Aerosp Engn, Princeton, NJ 08540 USA

[4] Rutgers State Univ, Dept Phys, Piscataway, NJ 08854 USA

[5] CUNY, Energy Inst, New York, NY 10031 USA

[6] CUNY, Dept Chem Engn, New York, NY 10031 USA

[7] Brookhaven Natl Lab, Sustainable Technol Div, Upton, NY 11973 USA

[8] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA

[9] Voltaiq, Brooklyn, NY 11201 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 18期

基金：

美国国家科学基金会;

关键词：

LI-ION BATTERY; ACOUSTIC-EMISSION; CAPACITY FADE; PERFORMANCE; CELLS; MORPHOLOGY; PARTICLES; EVOLUTION; STRESS; FORCE;

D O I：

10.1039/c5ta01576f

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：

The coefficient of restitution of alkaline batteries has been shown to increase as a function of depth of discharge. In this work, using non-destructive mechanical testing, the change in coefficient of restitution is compared to in situ energy-dispersive X-ray diffraction data to determine the cause of the macroscopic change in coefficient of restitution. The increase in coefficient of restitution correlates to the formation of a percolation pathway of ZnO within the anode of the cell, and the coefficient of restitution levels off at a value of 0.66 +/- 0.02 at 50% state of charge when the anode has densified into porous ZnO solid. Of note is the sensitivity of coefficient of restitution to the amount of ZnO formation that rivals the sensitivity of in situ energy-dispersive X-ray diffraction.

引用

页码：9395 / 9400

页数：6

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