Modified Stoney Equation for Patterned Thin Film Electrodes on Substrates in the Presence of Interfacial Sliding
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Mechanical stresses and failure are believed to be a major cause for the limited cycle life of lithium-ion batteries employing high capacity Si electrodes. Recent experiments have shown that patterned Si thin film electrodes on substrate exhibit improved cycling stability and substantial sliding at the film/substrate interface. To facilitate experimental studies of stress evolution in such systems, we have developed a modified Stoney equation which accounts for the effect of interfacial sliding on the relationship between curvature and stress in patterned thin films on substrate.
2009 ◽
Vol 39
(8)
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pp. 1157-1162
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2019 ◽
Vol 835
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pp. 81-85
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1998 ◽
Vol 112
(1-2)
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pp. 35-40
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2012 ◽
Vol 12
(12)
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pp. 9238-9247
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