pp 1–10 | Cite as

Coral-like structured nickel sulfide-cobalt sulfide binder-free electrode for supercapattery

  • Che Zhi Kang
  • Fatin Saiha Omar
  • Surender Gunalan
  • K. Ramesh
  • S. RameshEmail author
Original Paper


High-efficiency and lightweight electrodes are advantageous for acquiring high-energy density and flexible supercapattery. Herein, binder-free electrodes were fabricated by growing directly nickel sulfide (NiS) nanoflakes and coral-like nickel sulfide-copper sulfide (NiCuS) on nickel foam using hydrothermal method. Structural studies show that both electrodes are composed of multiphases crystalline structure. Morphological studies reveal that the incorporation of Cu ion has greatly influenced the morphology of NiS, i.e., from nanoflake arrays to coral-like structure (built by interconnected nanotubular). The electrochemical studies demonstrate that the presence of Cu in NiCuS significantly improved the specific capacity of NiS from 382 to 688 C/g at 10 A/g. Moreover, the rate capability of NiS is enhanced from 69 to 78% capacity retention. The origin of the enhancement in performance shown by NiCuS as compared with NiS is due to the enhancement in electroactive sites and reduced internal resistance contributed from the presence of different valence states. In order to access the real-time performance of NiCuS electrode, supercapattery was assembled. The device exhibits the energy density of 23 Wh/kg at 388 W/kg and degraded only 16% of its initial capacity after 5000 cycles.


Nickel sulfide Copper sulfide Binder-free electrode Supercapattery 


Funding information

This work is financially supported by Fundamental Research Grant Scheme (FRGS) from Ministry of Education, Malaysia (FP062-2018A). Authors would like to thank Collaborative Research in Engineering, Science and Technology Center (CREST) for their continuous support in this research (PV027-2018). A special thank you to ECLIMO SDN BHD too.


  1. 1.
    Zhou ZJ, Zhang X, Xu P, Shen WX (2008) Single-phase uninterruptible power supply based on Z-source inverter. IEEE Trans Ind Electron 55:2997–3004. CrossRefGoogle Scholar
  2. 2.
    Omar FS, Numan A, Duraisamy N et al (2017) A promising binary nanocomposite of zinc cobaltite intercalated with polyaniline for supercapacitor and hydrazine sensor. J Alloys Compd 716:96–105. CrossRefGoogle Scholar
  3. 3.
    Supercapacitors NU (2018) Electronic structure control of tungsten oxide activated by Ni for uLtrahigh-performance supercapacitors. Small 1800381:1–8. CrossRefGoogle Scholar
  4. 4.
    Omar FS, Numan A, Bashir S et al (2018) Enhancing rate capability of amorphous nickel phosphate supercapattery electrode via composition with crystalline silver phosphate. Electrochim Acta 273:216–228. CrossRefGoogle Scholar
  5. 5.
    Yu L, Chen GZ (2016) High energy supercapattery with an ionic liquid solution of LiClO4. Faraday Discuss 190:231–240. CrossRefPubMedGoogle Scholar
  6. 6.
    Tie D, Huang S, Wang J et al (2019) Hybrid energy storage devices : advanced electrode materials and matching principles. Energy Storage Mater 21:22–40. CrossRefGoogle Scholar
  7. 7.
    Ma H, He J, Xiong D, Wu J, Li Q, Dravid V, Zhao Y (2016) Nickel cobalt hydroxides@reduced graphene oxide hybrid nanolayers for high performance asymmetric supercapacitors with remarkable cycling stability nickel cobalt hydroxides@reduced graphene oxide hybrid nanolayers for high performance asymmetric Supercapacitor. ACS Appl Mater Interfaces 8:1992–2000. CrossRefPubMedGoogle Scholar
  8. 8.
    Obreja V (2014) Supercapacitors Specialities - materials review Supercapacitors specialities - materials review.
  9. 9.
    Zhou Y (2015) High performance ionic capacitive energy storage and harvesting devicesGoogle Scholar
  10. 10.
    Zhang L, Huang TJ, Gong H (2017) Remarkable improvement in supercapacitor performance by sulfur introduction during a. Phys Chem Chem Phys 19:10462–10469. CrossRefPubMedGoogle Scholar
  11. 11.
    Rui X, Tan H, Yan Q (2014) Nanostructured metal sulfides for energy storage. Nanoscale 6:9889–9924. CrossRefPubMedGoogle Scholar
  12. 12.
    Kulkarni P, Nataraj SK, Balakrishna RG et al (2017) Nanostructured binary and ternary metal sulfides: synthesis methods and their application in energy conversion and storage devices. J Mater Chem A 5:22040–22094. CrossRefGoogle Scholar
  13. 13.
    Kristl M, Dojer B, Gyergyek S, Kristl J (2017) Synthesis of nickel and cobalt sulfide nanoparticles using a low cost sonochemical method. Heliyon 3:1–19. CrossRefGoogle Scholar
  14. 14.
    Chen W, Xia C, Alshareef HN, Al CET (2014) One-step electrodeposited nickel cobalt sulfide nanosheet arrays for high-performance asymmetric supercapacitorsGoogle Scholar
  15. 15.
    Wang M, Zhao Y, Zhang X et al (2018) Interface-rich core-shell ammonium nickel cobalt phosphate for high-performance aqueous hybrid energy storage device without a depressed power density. Electrochim Acta 272:184–191. CrossRefGoogle Scholar
  16. 16.
    Wang Y, Li H, Zhang Y, Peng Y, Zhang P, Zhao J (2017) Self-templating thermolysis synthesis of Cu2–xS@M (M = C, TiO2, MoS2) hollow spheres and their application in rechargeable lithium batteries. Nano Res 11:831–844. CrossRefGoogle Scholar
  17. 17.
    Guruvammal D, Selvaraj S, Sundar SM (2016) Effect of Ni-doping on the structural, optical and magnetic properties of ZnO nanoparticles by solvothermal method. J Alloys Compd 682:850–855. CrossRefGoogle Scholar
  18. 18.
    Chen T, Tang Y, Guo W et al (2016) Synergistic effect of cobalt and nickel on the superior electrochemical performances of rGO anchored nickel cobalt binary sulfides. Electrochim Acta 212:294–302. CrossRefGoogle Scholar
  19. 19.
    Parveen N, Ali S, Ansari SG et al (2018) Solid-state symmetrical supercapacitor based on hierarchical flower-like nickel sulfide with shape-controlled morphological evolution. Electrochim Acta 268:82–93. CrossRefGoogle Scholar
  20. 20.
    Jiang H (2011) Hierarchical self-assembly of ultrathin nickel hydroxide nanoflakes for high-performance supercapacitors. J Mater Chem 21:3818–3823. CrossRefGoogle Scholar
  21. 21.
    Kundu J, Pradhan D (2014) Controlled synthesis and catalytic activity of copper sulfide nanostructured assemblies with different morphologies. ACS Appl Mater Interfaces 6:1823–1183. CrossRefPubMedGoogle Scholar
  22. 22.
    Brousse T, Daniel B (2015) To be or not to be pseudocapacitive? J Electrochem Soc 162:5185–5189. CrossRefGoogle Scholar
  23. 23.
    Duraisamy N, Numan A, Fatin SO et al (2016) Facile sonochemical synthesis of nanostructured NiO with different particle sizes and its electrochemical properties for supercapacitor application. CrossRefGoogle Scholar
  24. 24.
    Pingarro JM, Ya P (1998) NADH amperometric sensor based on poly (3-methylthiophene)-coated cylindrical carbon fiber microelectrodes: application to the enzymatic determination of L-lactate. Electrochim Acta 43:3555–3565CrossRefGoogle Scholar
  25. 25.
    Chen C, Li X, Deng F, Li J (2016) RSC advances behavior of nickel Schiff base complexes with di ff erent groups between imine linkages. RSC Adv 6:79894–79899. CrossRefGoogle Scholar
  26. 26.
    Li R-Z, Peng R, Kihm KD, Bai S, Bridges D, Tmumuluri U et al (2016) High-rate in-plane microsupercapacitors scribed onto photo paper using in-situ femtolaser-reduced graphene oxide/au nanoparticle microelectrodes. Energy Environtal Sci 9:1458–1467. CrossRefGoogle Scholar
  27. 27.
    Universiteit T, Doi E, Version D (2019) Lithium metal microreference electrodes and their applications to Li-ion batteries lithium metal microreference electrodes and their applications to Li-ion batteries Jiang ZhouGoogle Scholar
  28. 28.
    Omar FS, Numan A, Duraisamy N, Bashir S (2016) Ultrahigh capacitance of amorphous nickel phosphate for asymmetric supercapacitor:76298–76306. CrossRefGoogle Scholar
  29. 29.
    Zhao B, Zhang L, Zhang Q et al (2017) Rational design of nickel hydroxide-based nanocrystals on graphene for ultrafast energy storage. Adv Energy Mater 1702247:1–10. CrossRefGoogle Scholar
  30. 30.
    Wang Q, Zhang D (2015) Electrode for asymmetric supercapacitors. RSC Adv 5:96448–96454. CrossRefGoogle Scholar
  31. 31.
    He Y, Chen W (2012) Freestanding three-dimensional graphene/MnO2 composite networks as ultralight and flexible supercapacitor electrodes. ACS Nano 7:174–182CrossRefGoogle Scholar
  32. 32.
    Kumar R, Agrawal A, Nagarale RK, Sharma A (2016) High performance supercapacitors from novel metal-doped ceria-decorated aminated graphene. CrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2020

Authors and Affiliations

  • Che Zhi Kang
    • 1
  • Fatin Saiha Omar
    • 1
  • Surender Gunalan
    • 1
  • K. Ramesh
    • 1
  • S. Ramesh
    • 1
    Email author
  1. 1.Center for Ionics University of Malaya, Department of Physics, Faculty of ScienceUniversity of MalayaKuala LumpurMalaysia

Personalised recommendations