Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries

Naguib, Michael; Allu, Srikanth; Simunovic, Srdjan; Li, Jianlin; Wang, Hsin; Dudney, Nancy J.

doi:10.1016/j.joule.2017.11.003

Title: Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries

Abstract

Here, we report on a unique safety mechanism introduced to the Li-ion battery design to mitigate the effects of a mechanical impact event by limiting the current moving through resulting internal shorts, thereby preventing thermal runaway. “Slitted” electrodes and current collectors would electrically isolate the impacted parts of the electrodes before puncturing the separator. Batteries with such “slitted” electrodes were shown to perform normally prior to the mechanical impact. A proof-of-concept experiment showed that the battery with modified electrodes survived significant mechanical deformation without any change in the open-circuit voltage of the battery. It is interesting to note that, after the impact event, the modified battery was still viable with a reversible capacity of about 93% of that before the indentation test, while the standard battery was no longer functional.

Authors:: Naguib, Michael; Allu, Srikanth; Simunovic, Srdjan; Li, Jianlin; Wang, Hsin; Dudney, Nancy J.

Publication Date:: Mon Jan 01 00:00:00 EST 2018

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:: 1633346

Alternate Identifier(s):: OSTI ID: 1465068

Grant/Contract Number:: AR0000869-1707; AC05-00OR22725

Resource Type:: Published Article

Journal Name:: Joule

Additional Journal Information:: Journal Name: Joule Journal Volume: 2 Journal Issue: 1; Journal ID: ISSN 2542-4351

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; Li-ion battery; impact; short circuit; safety; safety foil; breakable electrode; current collector; slit

Citation Formats


                    Naguib, Michael, Allu, Srikanth, Simunovic, Srdjan, Li, Jianlin, Wang, Hsin, and Dudney, Nancy J. Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries.  United States: N. p., 2018. 
Web.  doi:10.1016/j.joule.2017.11.003.

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                    Naguib, Michael, Allu, Srikanth, Simunovic, Srdjan, Li, Jianlin, Wang, Hsin, & Dudney, Nancy J. Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries.  United States.  https://doi.org/10.1016/j.joule.2017.11.003

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                    Naguib, Michael, Allu, Srikanth, Simunovic, Srdjan, Li, Jianlin, Wang, Hsin, and Dudney, Nancy J. Mon .  
"Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries".  United States.  https://doi.org/10.1016/j.joule.2017.11.003.

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@article{osti_1633346,

  title        = {Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries},

  author       = {Naguib, Michael and Allu, Srikanth and Simunovic, Srdjan and Li, Jianlin and Wang, Hsin and Dudney, Nancy J.},

  abstractNote = {Here, we report on a unique safety mechanism introduced to the Li-ion battery design to mitigate the effects of a mechanical impact event by limiting the current moving through resulting internal shorts, thereby preventing thermal runaway. “Slitted” electrodes and current collectors would electrically isolate the impacted parts of the electrodes before puncturing the separator. Batteries with such “slitted” electrodes were shown to perform normally prior to the mechanical impact. A proof-of-concept experiment showed that the battery with modified electrodes survived significant mechanical deformation without any change in the open-circuit voltage of the battery. It is interesting to note that, after the impact event, the modified battery was still viable with a reversible capacity of about 93% of that before the indentation test, while the standard battery was no longer functional.},

  doi          = {10.1016/j.joule.2017.11.003},

  journal      = {Joule},

  number       = 1,

  volume       = 2,

  place        = {United States},

  year         = {Mon Jan 01 00:00:00 EST 2018},

  month        = {Mon Jan 01 00:00:00 EST 2018}

}

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Title: Limiting Internal Short-Circuit Damage by Electrode Partition for Impact-Tolerant Li-Ion Batteries

Abstract

Citation Formats

Exploring Self-Healing Liquid Na-K Alloy for Dendrite-Free Electrochemical Energy Storage journal, October 2018

Exploring Self-Healing Liquid Na-K Alloy for Dendrite-Free Electrochemical Energy Storage
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