Transforming invasive weeds into energy solutions: water hyacinth-based hybrid electrodes for green supercapacitors
- Title
- Transforming invasive weeds into energy solutions: water hyacinth-based hybrid electrodes for green supercapacitors
- Creator
- Simon, Shilpa; Cherian, Anila Rose; Sreeja, P.B.
- Description
- The excessive proliferation of Eichhornia crassipes (water hyacinth) poses significant environmental challenges; however, its abundant biomass offers a sustainable solution for energy storage applications. This study presents an eco-friendly approach to fabricating high-performance supercapacitor electrodes using water hyacinth-derived activated carbon (WH), polypyrrole (PPy), and titanium dioxide (TiO2). The WH-TiO2/PPy hybrid electrode was synthesized via hydrothermal treatment and interfacial polymerization, ensuring a resource-efficient and environmentally responsible process. The composite exhibited a high gravimetric capacitance of 610 F g?1 at 0.5 A g?1 in 3 M KOH, with excellent cycling stability (94% retention after 5000 cycles). An asymmetric supercapacitor with WH-TiO2/PPy as the positive electrode and activated carbon as the negative electrode delivered an energy density of 98 W h kg?1 and a power density of 5606 W kg?1. This work highlights the potential of transforming invasive biomass into cost-effective, high-performance energy storage materials, advancing the principles of green chemistry through waste valorization and sustainable material design. 2025 The Royal Society of Chemistry.
- Source
- RSC Advances;Volume;15;Issue;22;pp.17302-17316
- Date
- 01-01-2025
- Publisher
- Royal Society of Chemistry
- Coverage
- Simon S., Department of Chemistry, CHRIST University, Bengaluru, 560029, India; Cherian A.R., Department of Chemistry, CHRIST University, Bengaluru, 560029, India; Sreeja P.B., Department of Chemistry, CHRIST University, Bengaluru, 560029, India
- Rights
- All Open Access; Gold Open Access; Green Open Access
- Relation
- ISSN: 20462069; CODEN: RSCAC
- Format
- online
- Language
- English
- Type
- Article
Collection
Citation
Simon, Shilpa; Cherian, Anila Rose; Sreeja, P.B., “Transforming invasive weeds into energy solutions: water hyacinth-based hybrid electrodes for green supercapacitors,” CHRIST (Deemed To Be University) Institutional Repository, accessed June 18, 2026, https://archives.christuniversity.in/items/show/22574.