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G THAMARAI SELVI
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Volume 45 All articles Published: 25 January 2022 Article ID 0023
G THAMARAI SELVI SHAILENDRA K JHA
To understand the reason for mechanical failure and capacity fading of Si-based composite thin film batteries, we have developed a lithiation-induced interfacial stress model. The role of electrochemical charging reaction process,stiffness-induced elasto-plastic deformation and relative change in resistivity in detail through regional material heterogeneity sensitivity exponent has been accounted for anomalous interfacial stress generation. The insight gained from theresults of state-of-health of the battery electrodes suggests that the transition of material from elastic to plastic behaviour and cracking at the interface are due to volume expansion, i.e., fully lithiated. Finally, the unified lithiation-induced stressmodel unravels the effect of embedded material heterogeneity parameters coupled with resistivity and stiffness and its anomalous dynamics at composite electrode–collector interface. The verification with the available experimental data inthe literature has also been made and hence providing a better insight into the origin of degradation and the evaluation of advanced battery electrodes.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Bulletin of Materials Science | News
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020 -
Editorial Note on Continuous Article Publication
Posted on July 25, 2019Click here for Editorial Note on CAP Mode
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