Averting cracks caused by Insertion reaction In lithium-ion batteries

Yuhang Hu; Xuanhe Zhao; Zhigang Suo

doi:10.1557/jmr.2010.0142

Averting cracks caused by Insertion reaction In lithium-ion batteries

Yuhang Hu, Xuanhe Zhao, Zhigang Suo

Research output: Contribution to journal › Article › peer-review

Abstract

In a lithium-ion battery, both electrodes are atomic frameworks that host mobile lithium ions. When the battery is being charged or discharged, lithium ions diffuse from one electrode to the other. Such an insertion reaction deforms the electrodes and may cause the electrodes to crack. This paper uses fracture mechanics to determine the critical conditions to avert insertion-induced cracking. The method is applied to cracks induced by the mismatch between phases in LiFePO₄.

Original language	English (US)
Pages (from-to)	1007-1010
Number of pages	4
Journal	Journal of Materials Research
Volume	25
Issue number	6
DOIs	https://doi.org/10.1557/jmr.2010.0142
State	Published - Jun 2010
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1557/jmr.2010.0142

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title = "Averting cracks caused by Insertion reaction In lithium-ion batteries",

abstract = "In a lithium-ion battery, both electrodes are atomic frameworks that host mobile lithium ions. When the battery is being charged or discharged, lithium ions diffuse from one electrode to the other. Such an insertion reaction deforms the electrodes and may cause the electrodes to crack. This paper uses fracture mechanics to determine the critical conditions to avert insertion-induced cracking. The method is applied to cracks induced by the mismatch between phases in LiFePO4.",

author = "Yuhang Hu and Xuanhe Zhao and Zhigang Suo",

note = "Funding Information: The authors are grateful to the support by NSF through the MRSEC, and by the Kavli Institute at Harvard.",

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AU - Hu, Yuhang

AU - Zhao, Xuanhe

AU - Suo, Zhigang

N1 - Funding Information: The authors are grateful to the support by NSF through the MRSEC, and by the Kavli Institute at Harvard.

PY - 2010/6

Y1 - 2010/6

N2 - In a lithium-ion battery, both electrodes are atomic frameworks that host mobile lithium ions. When the battery is being charged or discharged, lithium ions diffuse from one electrode to the other. Such an insertion reaction deforms the electrodes and may cause the electrodes to crack. This paper uses fracture mechanics to determine the critical conditions to avert insertion-induced cracking. The method is applied to cracks induced by the mismatch between phases in LiFePO4.

AB - In a lithium-ion battery, both electrodes are atomic frameworks that host mobile lithium ions. When the battery is being charged or discharged, lithium ions diffuse from one electrode to the other. Such an insertion reaction deforms the electrodes and may cause the electrodes to crack. This paper uses fracture mechanics to determine the critical conditions to avert insertion-induced cracking. The method is applied to cracks induced by the mismatch between phases in LiFePO4.

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Averting cracks caused by Insertion reaction In lithium-ion batteries

Abstract

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