Compositions and methods for energy storage device electrodes

Raman, Santhanam; Borkenhagen, James; Xi, Xiaomei; Ye, Xiang-Rong

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Title: Compositions and methods for energy storage device electrodes

Abstract

An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, where the anode and/or electrode includes an electrode film having a super-fibrillized binder material and carbon. The electrode film can have a reduced quantity of the binder material while maintaining desired mechanical and/or electrical properties. A process for fabricating the electrode film may include a fibrillization process using reduced speed and/or increased process pressure such that fibrillization of the binder material can be increased. The electrode film may include an electrical conductivity promoting additive to facilitate decreased equivalent series resistance performance. Increasing fibrillization of the binder material may facilitate formation of thinner electrode films, such as dry electrode films.

Inventors:: Raman, Santhanam; Borkenhagen, James; Xi, Xiaomei; Ye, Xiang-Rong

Issue Date:: Tue Feb 21 00:00:00 EST 2023

Research Org.:: Tesla, Inc., Austin, TX (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1987161

Patent Number(s):: 11587741

Application Number:: 17/173,748

Assignee:: Tesla, Inc. (Austin, TX)

DOE Contract Number:: FC26-05NT42403

Resource Type:: Patent

Resource Relation:: Patent File Date: 02/11/2021

Country of Publication:: United States

Language:: English

Citation Formats


                    Raman, Santhanam, Borkenhagen, James, Xi, Xiaomei, and Ye, Xiang-Rong. Compositions and methods for energy storage device electrodes.  United States: N. p., 2023. 
        Web.

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                    Raman, Santhanam, Borkenhagen, James, Xi, Xiaomei, & Ye, Xiang-Rong. Compositions and methods for energy storage device electrodes.  United States.

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                    Raman, Santhanam, Borkenhagen, James, Xi, Xiaomei, and Ye, Xiang-Rong. Tue .  
        "Compositions and methods for energy storage device electrodes".  United States.  https://www.osti.gov/servlets/purl/1987161.

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@article{osti_1987161,

  title        = {Compositions and methods for energy storage device electrodes},

  author       = {Raman, Santhanam and Borkenhagen, James and Xi, Xiaomei and Ye, Xiang-Rong},

  abstractNote = {An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, where the anode and/or electrode includes an electrode film having a super-fibrillized binder material and carbon. The electrode film can have a reduced quantity of the binder material while maintaining desired mechanical and/or electrical properties. A process for fabricating the electrode film may include a fibrillization process using reduced speed and/or increased process pressure such that fibrillization of the binder material can be increased. The electrode film may include an electrical conductivity promoting additive to facilitate decreased equivalent series resistance performance. Increasing fibrillization of the binder material may facilitate formation of thinner electrode films, such as dry electrode films.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Feb 21 00:00:00 EST 2023},

  month        = {Tue Feb 21 00:00:00 EST 2023}

}

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