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Title: Aromatic Polyimide/Graphene Composite Organic Cathodes for Fast and Sustainable Lithium-Ion Batteries

A composite organic cathode material based on aromatic polyimide (PI) and highly conductive graphene was prepared through a facile in situ polymerization method for application in lithium-ion batteries. The in situ polymerization generated intimate contact between PI and electronically conductive graphene, resulting in conductive composites with highly reversible redox reactions and good structure stability. The synergistic effect between PI and graphene enabled not only a high reversible capacity of 232.6 mAh g -1 at a charge–discharge rate of C/10 but also exceptionally high-rate cycling stability, that is, a high capacity of 108.9 mAh g -1 at a very high charge–discharge rate of 50C with a capacity retention of 80 % after 1000 cycles. This improved electrochemical performance resulted from the combination of stable redox reversibility of PI and high electronic conductivity of the graphene additive. In conclusion, the graphene-based composite also exhibited much better performance than composites based on multi-walled carbon nanotubes and the conductive carbon black C45 in terms of specific capacity and long-term cycling stability under the same charge–discharge rates.
Authors:
 [1] ;  [2] ;  [3] ;  [2] ;  [4] ;  [4] ;  [5] ;  [6] ;  [7] ;  [2]
  1. Shandong Univ., Jinan (China). Key Lab. for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education and School of Materials Science and Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
  3. Shandong Univ., Jinan (China). Key Lab. for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education and School of Materials Science and Engineering
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Sciences Division
  6. Univ. of Tennessee, Knoxville, TN (United States). Integrated Composites Lab. (ICL), Dept. of Chemical & Biomolecular Engineering
  7. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemistry
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
ChemSusChem
Additional Journal Information:
Journal Volume: 11; Journal Issue: 4; Journal ID: ISSN 1864-5631
Publisher:
ChemPubSoc Europe
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; batteries; graphene; lithium; organic cathode; polyimide
OSTI Identifier:
1423073

Lyu, Hailong, Li, Peipei, Liu, Jiurong, Mahurin, Shannon, Chen, Jihua, Hensley, Dale K., Veith, Gabriel M., Guo, Zhanhu, Dai, Sheng, and Sun, Xiao-Guang. Aromatic Polyimide/Graphene Composite Organic Cathodes for Fast and Sustainable Lithium-Ion Batteries. United States: N. p., Web. doi:10.1002/cssc.201702001.
Lyu, Hailong, Li, Peipei, Liu, Jiurong, Mahurin, Shannon, Chen, Jihua, Hensley, Dale K., Veith, Gabriel M., Guo, Zhanhu, Dai, Sheng, & Sun, Xiao-Guang. Aromatic Polyimide/Graphene Composite Organic Cathodes for Fast and Sustainable Lithium-Ion Batteries. United States. doi:10.1002/cssc.201702001.
Lyu, Hailong, Li, Peipei, Liu, Jiurong, Mahurin, Shannon, Chen, Jihua, Hensley, Dale K., Veith, Gabriel M., Guo, Zhanhu, Dai, Sheng, and Sun, Xiao-Guang. 2018. "Aromatic Polyimide/Graphene Composite Organic Cathodes for Fast and Sustainable Lithium-Ion Batteries". United States. doi:10.1002/cssc.201702001.
@article{osti_1423073,
title = {Aromatic Polyimide/Graphene Composite Organic Cathodes for Fast and Sustainable Lithium-Ion Batteries},
author = {Lyu, Hailong and Li, Peipei and Liu, Jiurong and Mahurin, Shannon and Chen, Jihua and Hensley, Dale K. and Veith, Gabriel M. and Guo, Zhanhu and Dai, Sheng and Sun, Xiao-Guang},
abstractNote = {A composite organic cathode material based on aromatic polyimide (PI) and highly conductive graphene was prepared through a facile in situ polymerization method for application in lithium-ion batteries. The in situ polymerization generated intimate contact between PI and electronically conductive graphene, resulting in conductive composites with highly reversible redox reactions and good structure stability. The synergistic effect between PI and graphene enabled not only a high reversible capacity of 232.6 mAh g-1 at a charge–discharge rate of C/10 but also exceptionally high-rate cycling stability, that is, a high capacity of 108.9 mAh g-1 at a very high charge–discharge rate of 50C with a capacity retention of 80 % after 1000 cycles. This improved electrochemical performance resulted from the combination of stable redox reversibility of PI and high electronic conductivity of the graphene additive. In conclusion, the graphene-based composite also exhibited much better performance than composites based on multi-walled carbon nanotubes and the conductive carbon black C45 in terms of specific capacity and long-term cycling stability under the same charge–discharge rates.},
doi = {10.1002/cssc.201702001},
journal = {ChemSusChem},
number = 4,
volume = 11,
place = {United States},
year = {2018},
month = {1}
}

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