Interplay between two-phase and solid solution reactions in high voltage spinel cathode material for lithium ion batteries

Xiao, Jie; Yu, Xiqian; Zheng, Jianming; Zhou, Yungang; Gao, Fei; Chen, Xilin; Bai, Jianming; Yang, Xiao-Qing; Zhang, Jiguang

doi:10.1016/j.jpowsour.2013.05.148

Title: Interplay between two-phase and solid solution reactions in high voltage spinel cathode material for lithium ion batteries

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Abstract

Lithium ion batteries (LIBs) are attracting intensive interests worldwide because of their potential applications in transportation electrification and utility grid. The intercalation compounds used in LIBs electrochemically react with Li+ ions via single or multiple phase transitions depending on the nature of the material structure as well as the synthesis and testing conditions. It is generally accepted that for high voltage spinel LiNi0.5Mn1.5O4, a promising candidate for LIBs, there are two successive two-phase reactions occurring during the delithiation/lithiation processes, as reflected by the two flat plateaus with a small step in between. Here we demonstrate, experimentally and theoretically, that through elemental substitution, each of the two-phase transitions has been largely converted into a solid solution reaction during the electrochemical process. The latter favors fast Li+ diffusion due to the reduced number of phase boundaries that Li+ ions have to overcome, as well as the reduced shrinkage of unit cells after charge. This work clearly elaborates one of the critical functions for element doping/substitution that has been widely adopted in the materials synthesis for LIBs, whose fundamental mechanisms are still obscured.

Authors:: Xiao, Jie; Yu, Xiqian; Zheng, Jianming; Zhou, Yungang; Gao, Fei; Chen, Xilin; Bai, Jianming; Yang, Xiao-Qing; Zhang, Jiguang

Publication Date:: Thu Jun 06 00:00:00 EDT 2013

Research Org.:: Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1117076

Report Number(s):: PNNL-SA-92949
47414; VT1201000

DOE Contract Number:: AC05-76RL01830

Resource Type:: Journal Article

Journal Name:: Journal of Power Sources, 242:736-741

Additional Journal Information:: Journal Name: Journal of Power Sources, 242:736-741

Country of Publication:: United States

Language:: English

Subject:: Environmental Molecular Sciences Laboratory

Citation Formats


                    Xiao, Jie, Yu, Xiqian, Zheng, Jianming, Zhou, Yungang, Gao, Fei, Chen, Xilin, Bai, Jianming, Yang, Xiao-Qing, and Zhang, Jiguang. Interplay between two-phase and solid solution reactions in high voltage spinel cathode material for lithium ion batteries.  United States: N. p., 2013. 
        Web.  doi:10.1016/j.jpowsour.2013.05.148.

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                    Xiao, Jie, Yu, Xiqian, Zheng, Jianming, Zhou, Yungang, Gao, Fei, Chen, Xilin, Bai, Jianming, Yang, Xiao-Qing, & Zhang, Jiguang. Interplay between two-phase and solid solution reactions in high voltage spinel cathode material for lithium ion batteries.  United States.  https://doi.org/10.1016/j.jpowsour.2013.05.148

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                    Xiao, Jie, Yu, Xiqian, Zheng, Jianming, Zhou, Yungang, Gao, Fei, Chen, Xilin, Bai, Jianming, Yang, Xiao-Qing, and Zhang, Jiguang. 2013.  
        "Interplay between two-phase and solid solution reactions in high voltage spinel cathode material for lithium ion batteries".  United States.  https://doi.org/10.1016/j.jpowsour.2013.05.148.

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@article{osti_1117076,

  title        = {Interplay between two-phase and solid solution reactions in high voltage spinel cathode material for lithium ion batteries},

  author       = {Xiao, Jie and Yu, Xiqian and Zheng, Jianming and Zhou, Yungang and Gao, Fei and Chen, Xilin and Bai, Jianming and Yang, Xiao-Qing and Zhang, Jiguang},

  abstractNote = {Lithium ion batteries (LIBs) are attracting intensive interests worldwide because of their potential applications in transportation electrification and utility grid. The intercalation compounds used in LIBs electrochemically react with Li+ ions via single or multiple phase transitions depending on the nature of the material structure as well as the synthesis and testing conditions. It is generally accepted that for high voltage spinel LiNi0.5Mn1.5O4, a promising candidate for LIBs, there are two successive two-phase reactions occurring during the delithiation/lithiation processes, as reflected by the two flat plateaus with a small step in between. Here we demonstrate, experimentally and theoretically, that through elemental substitution, each of the two-phase transitions has been largely converted into a solid solution reaction during the electrochemical process. The latter favors fast Li+ diffusion due to the reduced number of phase boundaries that Li+ ions have to overcome, as well as the reduced shrinkage of unit cells after charge. This work clearly elaborates one of the critical functions for element doping/substitution that has been widely adopted in the materials synthesis for LIBs, whose fundamental mechanisms are still obscured.},

  doi          = {10.1016/j.jpowsour.2013.05.148},

  url          = {https://www.osti.gov/biblio/1117076},
  journal      = {Journal of Power Sources, 242:736-741},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jun 06 00:00:00 EDT 2013},

  month        = {Thu Jun 06 00:00:00 EDT 2013}

}

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