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Porous potassium tantalate-reduced graphene oxide nano cube architecture for high performance hybrid supercapacitors

Journal Article · · e-Prime, Advances in Electrical Engineering, Electronics and Energy
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [1]
  1. People's Education Society (PES) University (India)
  2. Srinivas University (India)
  3. Tunghai University (Taiwan)
  4. People's Education Society (PES) University (India); CSIR-Central Institute of Mining and Fuel Research (India)
  5. CSIR-Central Institute of Mining and Fuel Research (India); Academy of Scientific and Innovative Research (AcSIR) (India)
  6. Indian Inst. of Technology (IIT), Jodhpur (India)
  7. Idaho National Laboratory (INL), Idaho Falls, ID (United States); Idaho State Univ., Pocatello, ID (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Energy storage has always been a major concern in the present-day situation. Advanced energy storage devices are batteries, supercapacitor and solar cells. However, advancements have been noteworthy in the field of high-performance hybrid supercapacitors. On this note, we have fabricated a hybrid supercapacitor electrode material Potassium tantalate nano cube (KT NCs) and its reduced graphene oxide composite (KT-rGO NCs) and tested its electrochemical performance. The materials showed high performances with specific capacitance of 565 F/g for KT NCs and 850 F/g for KT-rGO NCs respectively. Energy densities of both KT NCs & KT-rGO NCs are 28.24 Wh/Kg and 29.50 Wh/kg with good retention capacities. Further detailed study of both KT NCs and KT-rGO NCs are carried out with characterization techniques like XRD, FTIR, BET, Raman and HRTEM for structural analysis and electrochemical measurements to analyse various parameters pertaining to its charge storage capacity.

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC07-05ID14517
OSTI ID:
1993951
Alternate ID(s):
OSTI ID: 1995655
Report Number(s):
INL/JOU-22-70455-Rev000
Journal Information:
e-Prime, Advances in Electrical Engineering, Electronics and Energy, Journal Name: e-Prime, Advances in Electrical Engineering, Electronics and Energy Vol. 4; ISSN 2772-6711
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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