High energy density secondary lithium batteries

Nanda, Jagjit; Dudney, Nancy J.; Narula, Chaitanya Kumar; Pannala, Sreekanth; Unocic, Raymond Robert; Martha, Surendra Kumar

Title: High energy density secondary lithium batteries

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Abstract

A lithium ion battery includes a positive electrode comprising carbon fibers, a binder composition with conductive carbon, and a lithium rich composition. The lithium rich composition comprises at least one selected from the group consisting of Li_1+x(My Mz^II Mw^III)O₂ where x+y+z+w = 1, and where M, M^II and M^III are interchangeably manganese, nickel and cobalt, and LiM*_2-xM_x*^IIO₄, where M* and M*^II are manganese and nickel, respectively, with x = 0.5. A negative electrode comprises carbon fibers having bound thereto silicon nanoparticles, and a mesophase pitch derived carbon binder between the silicon nanoparticles and the carbon fibers. An electrolyte is interposed between the positive electrode and the negative electrode. Methods of making positive and negative electrodes are also disclosed.

Inventors:: Nanda, Jagjit; Dudney, Nancy J.; Narula, Chaitanya Kumar; Pannala, Sreekanth; Unocic, Raymond Robert; Martha, Surendra Kumar

Issue Date:: 2021-02-23

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1805548

Patent Number(s):: 10930969

Application Number:: 16/253,688

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 01/22/2019

Country of Publication:: United States

Language:: English

Citation Formats


                    Nanda, Jagjit, Dudney, Nancy J., Narula, Chaitanya Kumar, Pannala, Sreekanth, Unocic, Raymond Robert, and Martha, Surendra Kumar. High energy density secondary lithium batteries.  United States: N. p., 2021. 
        Web.

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                    Nanda, Jagjit, Dudney, Nancy J., Narula, Chaitanya Kumar, Pannala, Sreekanth, Unocic, Raymond Robert, & Martha, Surendra Kumar. High energy density secondary lithium batteries.  United States.

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                    Nanda, Jagjit, Dudney, Nancy J., Narula, Chaitanya Kumar, Pannala, Sreekanth, Unocic, Raymond Robert, and Martha, Surendra Kumar. Tue .  
        "High energy density secondary lithium batteries".  United States.  https://www.osti.gov/servlets/purl/1805548.

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@article{osti_1805548,

  title        = {High energy density secondary lithium batteries},

  author       = {Nanda, Jagjit and Dudney, Nancy J. and Narula, Chaitanya Kumar and Pannala, Sreekanth and Unocic, Raymond Robert and Martha, Surendra Kumar},

  abstractNote = {A lithium ion battery includes a positive electrode comprising carbon fibers, a binder composition with conductive carbon, and a lithium rich composition. The lithium rich composition comprises at least one selected from the group consisting of Li1+x(My MzII MwIII)O2 where x+y+z+w = 1, and where M, MII and MIII are interchangeably manganese, nickel and cobalt, and LiM*2-xMx*IIO4, where M* and M*II are manganese and nickel, respectively, with x = 0.5. A negative electrode comprises carbon fibers having bound thereto silicon nanoparticles, and a mesophase pitch derived carbon binder between the silicon nanoparticles and the carbon fibers. An electrolyte is interposed between the positive electrode and the negative electrode. Methods of making positive and negative electrodes are also disclosed.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2021},

  month        = {2}

}

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