Design and fabrication of NaFePO 4 /MWCNTs hybrid electrode material for sodium-ion battery
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Design and fabrication of NaFePO4/MWCNTs hybrid electrode material for sodium-ion battery M. Karthik1,* T. Sumathi4
, S. Sathishkumar2, R. BoopathiRaja3, K. L. Meganathan3, and
1
Department Physics, Mahendra Engineering college (Autonomous), Namakkal, Tamilnadu 637 503, India Department Physics, Mahendra Institute of Technology (Autonomous), Namakkal, Tamilnadu 637 503, India 3 PG and Research Department of Physics, Chikkaiah Naicker College, Erode, Tamilnadu 638 004, India 4 Department of Physics, Padmavani Arts and Science College for Women, Salem, Tamilnadu 636011, India 2
Received: 7 February 2020
ABSTRACT
Accepted: 15 October 2020
Watery rechargeable sodium-ion batteries are alluring as elective materials to replace conventional lithium-ion batteries for the improvement of next-generation devices due to the abundance of sodium assets. Hence, we report the NaFePO4/MWCNT hybrid nanocomposite for high-performance cathode material for sodium-ion batteries synthesized by a facile hydrothermal route. The structural and morphological information of the products was identified through XRD, Raman and FESEM studies. The results suggest that orthorhombic crystalline structure with Pnma space group and the disk-like NaFePO4 was consistently wrapped on the MWCNT. Furthermore, the NaFePO4 wrapped MWCNT hybrid anode electrode show superior surface area (78 m2/g) and pore size (12.74 nm) than bare NaFePO4 (78 m2/g; 43.44 nm). The electrochemical results divulge that the hybrid electrode showed outstanding stability and high specific capacitance. NaFePO4/MWCNT hybrid electrode reached discharge capacity of 90 mAhg-1 at corresponding current density of 0.1 C. Still it has maintain as 98% of retention after the 100th cycles test. The EIS further hold high electrochemical nature of the NaFePO4/MWCNT composite electrode than pristine NaFePO4.
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Springer Science+Business
Media, LLC, part of Springer Nature 2020
1 Introduction Concerns around worldwide warming and fluctuating oil costs have driven to the advancement of highly energy effective frameworks, such as vitality capacity frameworks (ESSs) and electric vehicles (EVs), to reduce CO2 era and fossil fuel combustion.
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https://doi.org/10.1007/s10854-020-04691-y
On a very basic level, these frameworks require rechargeable batteries to get tall vitality effectiveness by utilizing charge and release behavior to avoid the misfortune of overabundance energy. Energy-storage devices (ESDs) with tall control and vitality densities are critically required to meet the expanding request of convenient devices, electrical vehicles, and grid-
J Mater Sci: Mater Electron
level energy capacity [1–3]. The rechargeable Li-ion battery (LIB) of the remote hand-held devices has invigorated endeavors to create lower-cost batteries for large-capacity energy capacity that can compete economically with the energy stored in a fossil fuel [4–7]. Vehicle jolt is one of the foremost critical arrangements that address the challenges of f
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