H3PO4 treatment to enhance the electrochemical properties of Li(Ni1/3Mn1/3Co1/3)O2 and Li(Ni0.5Mn0.3Co0.2)O2 cathodes

Sahni, Karan; Ashuri, Maziar; He, Qianran; Sahore, Ritu; Bloom, Ira D.; Liu, Yuzi; Kaduk, James A.; Shaw, Leon L.

doi:10.1016/j.electacta.2019.01.153

Title: H₃PO₄ treatment to enhance the electrochemical properties of Li(Ni_1/3Mn_1/3Co_1/3)O₂ and Li(Ni_0.5Mn_0.3Co_0.2)O₂ cathodes

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Abstract

In this paper, Li(Ni_1/3Mn_1/3Co_1/3)O₂ (NMC333) and Li(Ni_0.5Mn_0.3Co_0.2)O₂ (NMC532) have been subjected to a phosphoric acid (H₃PO₄) solution treatment to form a thin Li₃PO₄ coating on their surfaces. The Li₃PO₄ coating formed is found to be very potent in enhancing the specific capacity of the first discharge as well as the rate capability and capacity retention in the subsequent charge/discharge cycles for both NMC333 and NMC532. The specific capacity of the first discharge for NMC532 has been increased drastically from ~160 mA h g^–1 for pristine NMC532 to ~250 mA h g^–1 for Li₃PO₄-coated counterpart at 0.1C and such a large capacity enhancement is retained throughout the subsequent cycles at 1C. The final specific capacity of Li₃PO₄-coated NMC532 is 187 mA h g^–1 after 100 cycles at 1C, whereas the corresponding value of pristine NMC532 is only 50 mA h g^–1. The rate capability has also been improved significantly with Li₃PO₄-coated NMC532 exhibiting ~150 mA h g^–1 capacity at 6C while pristine NMC532 showing zero capacity. Similar improvements have also been achieved with NMC333. These results demonstrate that the H₃PO₄ treatment is a facile and general method to improve the electrochemical properties of NMCs with different compositions and can be utilizedmore » for practical applications.« less

Authors:

Sahni, Karan ^[1]; Ashuri, Maziar ^[1]; He, Qianran ^[1]; Sahore, Ritu ^[2]; Bloom, Ira D. ^[2]; Liu, Yuzi ^[3]; Kaduk, James A. ^[1]; Shaw, Leon L. ^[1]

Illinois Inst. of Technology, Chicago, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Argonne National Lab. (ANL), Lemont, IL (United States)

Publication Date:: 2019-01-29

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Energy Efficiency and Renewable Energy (EERE)

OSTI Identifier:: 1494595

Alternate Identifier(s):: OSTI ID: 1635868

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Electrochimica Acta

Additional Journal Information:: Journal Volume: 301; Journal Issue: C; Journal ID: ISSN 0013-4686

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; lithium-ion battery; performance enhancement; layered transition metal oxides; cathodes; Li3PO4 coating

Citation Formats


                    Sahni, Karan, Ashuri, Maziar, He, Qianran, Sahore, Ritu, Bloom, Ira D., Liu, Yuzi, Kaduk, James A., and Shaw, Leon L.. H3PO4 treatment to enhance the electrochemical properties of Li(Ni1/3Mn1/3Co1/3)O2 and Li(Ni0.5Mn0.3Co0.2)O2 cathodes.  United States: N. p., 2019. 
Web.  doi:10.1016/j.electacta.2019.01.153.

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                    Sahni, Karan, Ashuri, Maziar, He, Qianran, Sahore, Ritu, Bloom, Ira D., Liu, Yuzi, Kaduk, James A., & Shaw, Leon L.. H3PO4 treatment to enhance the electrochemical properties of Li(Ni1/3Mn1/3Co1/3)O2 and Li(Ni0.5Mn0.3Co0.2)O2 cathodes.  United States.  https://doi.org/10.1016/j.electacta.2019.01.153

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                    Sahni, Karan, Ashuri, Maziar, He, Qianran, Sahore, Ritu, Bloom, Ira D., Liu, Yuzi, Kaduk, James A., and Shaw, Leon L.. Tue .  
"H3PO4 treatment to enhance the electrochemical properties of Li(Ni1/3Mn1/3Co1/3)O2 and Li(Ni0.5Mn0.3Co0.2)O2 cathodes".  United States.  https://doi.org/10.1016/j.electacta.2019.01.153.  https://www.osti.gov/servlets/purl/1494595.

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@article{osti_1494595,

  title        = {H3PO4 treatment to enhance the electrochemical properties of Li(Ni1/3Mn1/3Co1/3)O2 and Li(Ni0.5Mn0.3Co0.2)O2 cathodes},

  author       = {Sahni, Karan and Ashuri, Maziar and He, Qianran and Sahore, Ritu and Bloom, Ira D. and Liu, Yuzi and Kaduk, James A. and Shaw, Leon L.},

  abstractNote = {In this paper, Li(Ni1/3Mn1/3Co1/3)O2 (NMC333) and Li(Ni0.5Mn0.3Co0.2)O2 (NMC532) have been subjected to a phosphoric acid (H3PO4) solution treatment to form a thin Li3PO4 coating on their surfaces. The Li3PO4 coating formed is found to be very potent in enhancing the specific capacity of the first discharge as well as the rate capability and capacity retention in the subsequent charge/discharge cycles for both NMC333 and NMC532. The specific capacity of the first discharge for NMC532 has been increased drastically from ~160 mA h g–1 for pristine NMC532 to ~250 mA h g–1 for Li3PO4-coated counterpart at 0.1C and such a large capacity enhancement is retained throughout the subsequent cycles at 1C. The final specific capacity of Li3PO4-coated NMC532 is 187 mA h g–1 after 100 cycles at 1C, whereas the corresponding value of pristine NMC532 is only 50 mA h g–1. The rate capability has also been improved significantly with Li3PO4-coated NMC532 exhibiting ~150 mA h g–1 capacity at 6C while pristine NMC532 showing zero capacity. Similar improvements have also been achieved with NMC333. These results demonstrate that the H3PO4 treatment is a facile and general method to improve the electrochemical properties of NMCs with different compositions and can be utilized for practical applications.},

  doi          = {10.1016/j.electacta.2019.01.153},

  journal      = {Electrochimica Acta},

  number       = C,

  volume       = 301,

  place        = {United States},

  year         = {2019},

  month        = {1}

}

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Title: H3PO4 treatment to enhance the electrochemical properties of Li(Ni1/3Mn1/3Co1/3)O2 and Li(Ni0.5Mn0.3Co0.2)O2 cathodes

Abstract

Citation Formats

Title: H₃PO₄ treatment to enhance the electrochemical properties of Li(Ni_1/3Mn_1/3Co_1/3)O₂ and Li(Ni_0.5Mn_0.3Co_0.2)O₂ cathodes