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Authors: Huijun Cao 1 ; Xiangbin Xu 2 ; Shihui Si 3 ; Jirui Li 2 and Degeng Li 3

Affiliations: 1 Department of Pharmaceutical and bioengineering, Hunan Chemical Vocational Technology College, Zhuzhou 412004, PR China, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083 and PR China, China ; 2 Department of Pharmaceutical and bioengineering, Hunan Chemical Vocational Technology College, Zhuzhou 412004 and PR China, China ; 3 College of Chemistry and Chemical Engineering, Central South University, Changsha 410083 and PR China, China

Keyword(s): Zinc composite anode, Secondary doped polyaniline composites cathode, Electrodes preparation by coating, Highly stable rechargeable battery

Abstract: To improve the conductivity of pure polyaniline (PANI), compact scale-like PANI secondary doped with lithium chloride (LPANI) was prepared after the in situ synthesis of PANI powder using the constant current method and 4,4’-diaminobiphenyl (DABP) as an additive in hydrochloric acid (HCl). The dense morphology of obtained LPANI was found to promot to the charge transfer in the PANI chains and intermolecularly. The oxidation peak currents of LPANI with DABP additive were nearly three times higher than those of the LPANI and much higher than those of in situ doped PANI with HCl without additive. The application of LPANI in composite film batteries was also examined. Both the LiCl-PANI/TiO2/C/DABP composite (LPTCD) cathode and Zn/ZnO/MgO/CMC-Na composite (ZZMCN) anode were prepared by evenly coating at controlled thicknesses of 0.20 mm and 0.04 mm, respectively. A coated Zn composite//coated LPANI composite battery was designed, with an open voltage of approximately 1.5 V in ZnCl2+LiCl electrolyte solution. The battery charge/discharge cycle performance was determined between 0.7 V and 1.7 V. The discharge capacity of the cathode reached 131.4 mAh·g-1 at a current density of 2 mA·cm-2. During 35 charge/discharge cycles, the average decrease in the discharge capacity of each cycle was 0.07%, indicating that the cycle performance and stability of the battery could contribute to applications that replace traditional lead-acid batteries. (More)

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Paper citation in several formats:
Cao, H.; Xu, X.; Si, S.; Li, J. and Li, D. (2019). Improved Performance of Secondary Doped PANI and Its Application in Coated Zn//PANI Composite Film as Electrodes with Controllable Thickness for Rechargeable Batteries. In The Second International Conference on Materials Chemistry and Environmental Protection - MEEP; ISBN 978-989-758-360-5, SciTePress, pages 155-163. DOI: 10.5220/0008187001550163

@conference{meep19,
author={Huijun Cao. and Xiangbin Xu. and Shihui Si. and Jirui Li. and Degeng Li.},
title={Improved Performance of Secondary Doped PANI and Its Application in Coated Zn//PANI Composite Film as Electrodes with Controllable Thickness for Rechargeable Batteries},
booktitle={The Second International Conference on Materials Chemistry and Environmental Protection - MEEP},
year={2019},
pages={155-163},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008187001550163},
isbn={978-989-758-360-5},
}

TY - CONF

JO - The Second International Conference on Materials Chemistry and Environmental Protection - MEEP
TI - Improved Performance of Secondary Doped PANI and Its Application in Coated Zn//PANI Composite Film as Electrodes with Controllable Thickness for Rechargeable Batteries
SN - 978-989-758-360-5
AU - Cao, H.
AU - Xu, X.
AU - Si, S.
AU - Li, J.
AU - Li, D.
PY - 2019
SP - 155
EP - 163
DO - 10.5220/0008187001550163
PB - SciTePress