A study of Co-Mn phosphate supported with graphene foam as promising electrode materials for future electrochemical capacitors
Abdulmajid A. Mirghni
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorKabir O. Oyedotun
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorBadr A. Mahmoud
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorOladepo Fasakin
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorDelvina J. Tarimo
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorCorresponding Author
Ncholu Manyala
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Correspondence
Ncholu Manyala, Department of Physics Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria Pretoria 0028, South Africa.
Email: [email protected]
Search for more papers by this authorAbdulmajid A. Mirghni
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorKabir O. Oyedotun
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorBadr A. Mahmoud
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorOladepo Fasakin
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorDelvina J. Tarimo
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Search for more papers by this authorCorresponding Author
Ncholu Manyala
Department of Physics, Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria, Pretoria, South Africa
Correspondence
Ncholu Manyala, Department of Physics Institute of Applied Materials, SARChI Chair in Carbon Technology and Materials, University of Pretoria Pretoria 0028, South Africa.
Email: [email protected]
Search for more papers by this authorFunding information: National Research Foundation (NRF) of South Africa, Grant/Award Number: 61056
Summary
Mn and Co are known for their redox storage mechanism depending on the kinetics of their ions, which is required to boost capacity values of the material electrodes for energy storage applications. However, to the best of our knowledge, Co-Mn phosphate material-based electrochemical capacitors have been rarely investigated. In this work, CoMn(PO4)2 synergized with graphene foam (GF) was synthesized following an easy, direct and low-temperature hydrothermal method. The study investigated the synergy between Co, Mn and GF-supported composite, with a strong P-O covalent tie occurring at the surface of the material, leading to a high degree of polarization and very low relaxation time. The CoMn(PO4)2/GF material tested as a half-cell could achieve a specific capacity of 58.15 mAh g−1 at 0.5 A g−1. A CoMn(PO4)2/GF//activated carbon (AC) hybrid device was made up considering CoMn(PO4)2/GF and an AC material as positive and negative electrodes, respectively. The CoMn(PO4)2/GF//AC hybrid device achieved a specific capacity of 45.89 mAh g−1, specific energy of 51.53 Wh kg−1 and a corresponding specific power of 561.52 W kg−1 at 0.5 A g−1. Furthermore, the device displayed a 95% capacity retention after 10 000 GCD cycles at 12 A g−1 and showed improved performance over its initial specific capacity after a voltage holding test for over 110 hours at 2 A g−1.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available from the corresponding author upon reasonable request.
REFERENCES
- 1Conway BE. Electrochemical Supercapacitors_Scientific Fundamentals and Technological Applications. Boston, MA: Springer; 1999.
- 2Hathaway DH, Eddy JA, Petrovay K, et al. True performance metrics in electrochemical energy storage. Science. 2011; 334: 917-918.
- 3Miller JR, Simon P. Materials science: electrochemical capacitors for energy management. Science. 2008; 321(5889): 651-652.
- 4Simon P, Gogotsi Y. Materials for electrochemical capacitors. Nat Mater. 2008; 7: 1-10. doi:10.1038/nmat2297
- 5Li X, Elshahawy AM, Guan C, Wang J. Metal phosphides and phosphates-based electrodes for electrochemical supercapacitors. Small. 2017; 13: 1-24.
- 6Structures O, Natarajan S, Mandal S. Open-framework structures of transition-metal compounds Angewandte. Angew Chem Int Ed. 2008; 47: 4798-4828.
- 7Cohpo F. Few-layered CoHPO 4 $ 3H 2 O ultrathin nanosheets for high performance of electrode materials for supercapacitors. Nanoscale. 2013; 5: 5752-5757.
- 8Feng L, Xue H. Advances in transition-metal phosphide applications in electrochemical energy storage and catalysis. ChemElectroChem. 2017; 4: 20-34.
- 9Chang Y, Shi NE, Zhao S, et al. Coralloid CoP2O7 nanocrystals encapsulated by thin carbon shells for enhanced electrochemical water oxidation. ACS Appl Mater Interfaces. 2016; 8:22534–22544.
- 10Qin X, Yan B, Yu J, et al. Phosphorus-based materials for high-performance rechargeable batteries. Inorg Chem Front. 2017; 4: 1424-1444.
- 11Katkar PK, Marje SJ, Pujari SS, Khalate SA, Deshmukh PR, Patil UM. Single-pot hydrothermal synthesis of manganese phosphate microrods as a cathode material for highly stable flexible solid-state symmetric supercapacitors. Synth Met. 2020; 267:116446.
- 12Gou J, Du Y, Xie S, Liu Y, Kong X. Easily-prepared bimetallic metal phosphides as high-performance electrode materials for asymmetric supercapacitor and hydrogen evolution reaction. Int J Hydrog Energy. 2019; 44: 27214-27223.
- 13Zhang N, Li Y, Xu J, et al. High-performance flexible solid-state asymmetric supercapacitors based on bimetallic transition metal phosphide nanocrystals. ACS Nano. 2019; 13:10612–10621.
- 14Mirghni AA, Oyedotun KO, Olaniyan O, Mahmoud BA, Manyala N. Electrochemical analysis of Na – Ni bimetallic phosphate electrodes for supercapacitor applications. RSC Adv. 2019; 9:25012–25021.
- 15Mirghini AA, Oyedotun KO, Ahmed B, Bello A, Ray SC, Manyala N. Nickel-cobalt phosphate/graphene foam as enhanced electrode for hybrid supercapacitor. Compos Part B. 2019; 174:106953.
- 16Chinnadurai D, Selvaraj AR, Rajendiran R, et al. Inhibition of redox behaviors in hierarchically structured manganese cobalt phosphate Supercapacitor performance by surface trivalent Cations. ACS Omega. 2018; 3: 1718-1725.
- 17Mirghni AA, Madito MJ, Masikhwa TM, Oyedotun KO, Bello A, Manyala N. Hydrothermal synthesis of manganese phosphate/graphene foam composite for electrochemical supercapacitor applications. J Colloid Interface Sci. 2017; 494: 325-337.
- 18Noori A, El-Kady MF, Rahmanifar MS, Kaner RB, Mousavi MF. Towards establishing standard performance metrics for batteries, supercapacitors and beyond. Chem Soc Rev. 2019; 48: 1272-1341.
- 19 EC-lab Software User's Manual 2014, Version 11.34.
- 20Bates S, Zografi G, Engers D, Morris K, Crowley K, Newman A. Analysis of amorphous and nanocrystalline solids from their X-ray diffraction patterns. Pharm Res. 2006; 23: 2333-2349.
- 21Shende TP, Bhanvase BA, Rathod AP, Pinjari DV, Sonawane SH. Sonochemical synthesis of graphene-Ce-TiO2 and graphene-Fe-TiO2 ternary hybrid photocatalyst nanocomposite and its application in degradation of crystal violet dye. Ultrason Sonochem. 2018; 41: 582-589.
- 22Baril M, Assaaoudi H, Butler IS. Pressure-tuning Raman microspectroscopic study of cobalt(II), manganese(II), zinc(II) and magnesium(II) pyrophosphate dihydrates. J Mol Struct. 2005; 751: 168-171.
- 23Ramana CV, Ait-Salah A, Utsunomiya S, et al. Structural characteristics of lithium nickel phosphate studied using analytical electron microscopy and raman spectroscopy. Chem Mater. 2006; 18: 3788-3794.
- 24Chapman C, Thirlwell LE. The infra-red spectra ot orthophosphates. Spectrochim Acta. 1964; 20: 937-947.
- 25Vlassiouk I, Smirnov S, Ivanov I, et al. Electrical and thermal conductivity of low temperature CVD graphene: the effect of disorder. Nanotechnology. 2011; 27: 1.
- 26Sing KSW, Williams RT. Physisorption hysteresis loops and the characterization of nanoporous materials. Adsorpt Sci Technol. 2004; 22: 773-782.
- 27Gao Y, Mi L, Wei W, et al. Double metal ions synergistic effect in hierarchical multiple sulfide microflowers for enhanced supercapacitor performance. ACS Appl Mater Interfaces. 2015; 7: 4311-4319.
- 28Thøgersen A, Syre M, Olaisen BR, Diplas S. Studies of the oxidation states of phosphorus gettered silicon substrates using X-ray photoelectron spectroscopy and transmission electron microscopy. J Appl Phys. 2013; 113: 1-7.
- 29Qiu C, Ai L, Jiang J. Layered phosphate-incorporated nickel–cobalt hydrosilicates for highly efficient oxygen evolution electrocatalysis. ACS Sustain Chem Eng. 2018; 6: 4492-4498.
- 30Mirghni AA, Madito MJ, Oyedotun KO, et al. A high energy density asymmetric supercapacitor utilizing a nickel phosphate/graphene foam composite as the cathode and carbonized iron cations adsorbed onto polyaniline as the anode. RSC Adv. 2018; 8:11608–11621.
- 31Kleebe HJ. Comparison between SEM and TEM imaging techniques to determine grain-boundary wetting in ceramic polycrystals. J Am Ceram Soc. 2002; 85: 43-48.
- 32Chen C, Liang T, Chen X, Zhang B, Wang L, Zhang J. Phosphorus-assisted solid-phase approach to three-dimensional highly porous graphene sheets and their capacitance properties. Carbon. 2018; 132: 8-15.
- 33Shao Y, El-Kady MF, Sun J, et al. Design and mechanisms of asymmetric supercapacitors. Chem Rev. 2018; 118: 9233-9280.
- 34Bello A, Fashedemi OO, Lekitima JN, et al. High-performance symmetric electrochemical capacitor based on graphene foam and nanostructured manganese oxide. AIP Adv. 2013; 3:082118–082119.
- 35Hong J, Lee YW, Ahn D, et al. Highly stable 3D porous heterostructures with hierarchically-coordinated octahedral transition metals for enhanced performance supercapacitors. Nano Energy. 2017; 39: 337-345.
- 36Frackowiak E. Carbon materials for supercapacitor application. Phys Chem Chem Phys. 2007; 9: 1774-1785.
- 37Yetri Y, Hoang AT, Mursida DD, Muldarisnur TE, Chau MQ. Synthesis of activated carbon monolith derived from cocoa pods for supercapacitor electrodes application. Energy Sources A: Recovery Util Environ Eff. 2020; 1-15.
- 38Daud Z, Sari A, Kassim M, et al. Chemical composition and morphological of cocoa pod husks and cassava peels for pulp and paper production. Aust J Basic Appl Sci. 2013; 7: 406-411.
- 39Pangarso ZD, Cahyaningsih L, Imam K, Kurnia F, Purwaningsih D. Nano carbon-based as supercapacitor electrode from cocoa skin. Proc Int Conf Sci Eng. 2020; 3: 175-178.
- 40Mei BA, Munteshari O, Lau J, Dunn B, Pilon L. Physical interpretations of Nyquist plots for EDLC electrodes and devices. J Phys Chem C. 2018; 122: 194-206.
- 41Sun W, Chen X. Preparation and characterization of polypyrrole films for three-dimensional micro supercapacitor. J Power Sources. 2009; 193: 924-929.
- 42Li H, Wang J, Chu Q, Wang Z, Zhang F, Wang S. Theoretical and experimental specific capacitance of polyaniline in sulfuric acid. J Power Sources. 2009; 190: 578-586.
- 43Oyedotun KO, Masikhwa TM, Mirghni AA, Mutuma BK, Manyala N. Electrochemical properties of asymmetric supercapacitor based onoptimized carbon-based nickel-cobalt-manganese ternary hydroxide and sulphur-doped carbonized iron-polyaniline electrodes. Electrochim Acta. 2020; 334:135610.
- 44Lee CC, Omar FS, Numan A, Duraisamy N, Ramesh K, Ramesh S. An enhanced performance of hybrid supercapacitor based on polyaniline-manganese phosphate binary composite. J Solid State Electrochem. 2017; 21: 3205-3213.
- 45Mirghni AA, Momodu D, Oyedotun KO, Dangbegnon JK, Manyala N. Electrochemical analysis of Co3(PO4)2·4H2O/graphene foam composite for enhanced capacity and long cycle life hybrid asymmetric capacitors. Electrochim Acta. 2018; 283: 374-384.
- 46Wang M, Zhao Y, Zhang X, et al. Interface-rich core-shell ammonium nickel cobalt phosphate for high-performance aqueous hybrid energy storage device without a depressed power density. Electrochim Acta. 2018; 272: 184-191.
- 47Zhu G, Yang L, Wang W, et al. Hierarchical three-dimensional manganese doped cobalt phosphide nanowire decorated nanosheet cluster arrays for high-performance electrochemical pseudocapacitor electrodes. Chem Commun. 2018; 54: 9234-9237.
