Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction
Electrochemical water splitting is an attractive, green, and renewable energy method for hydrogen production due to the abundance of water resources, zero pollution, and high purity. An efficient, stable, and low-cost electrocatalyst is essential for production of pure and clean hydrogen. A straight...
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Elsevier
2025-05-01
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| Series: | Results in Surfaces and Interfaces |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666845925000959 |
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| author | Pradnya G. Kedar Anup Kumar Pradhan Asmita S. Jadhav Chanchal Chakraborty Sopan T. Ingle |
| author_facet | Pradnya G. Kedar Anup Kumar Pradhan Asmita S. Jadhav Chanchal Chakraborty Sopan T. Ingle |
| author_sort | Pradnya G. Kedar |
| collection | DOAJ |
| description | Electrochemical water splitting is an attractive, green, and renewable energy method for hydrogen production due to the abundance of water resources, zero pollution, and high purity. An efficient, stable, and low-cost electrocatalyst is essential for production of pure and clean hydrogen. A straightforward and economical method to synthesize electrocatalysts for efficient hydrogen evolution reaction (HER) is crucial for its practical application. Herein, we have synthesized and reported the application of Nickel-Titania over Graphene (Gr@Ni/TiO2) nanocomposite which is reasonably efficient and highly durable. The catalyst (Gr@Ni/TiO2) 0.2 and 0.4 M ratios were synthesized with the simple co-precipitation method. The standard three-electrode system is used to carry out the HER activity in 1M KOH solution. Due to high conductivity and specific surface area, the synthesized Gr@Ni/TiO2 catalyst (0.4M) achieves low overpotential 101 mV at a current density of 20 mA cm−2. With such electrocatalytic performance and environment friendliness, the Gr@Ni/TiO2 holds significant promise toward efficient hydrogen production. |
| format | Article |
| id | doaj-art-8b3f997adb844ebeac61f1a04e2d3fee |
| institution | OA Journals |
| issn | 2666-8459 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Surfaces and Interfaces |
| spelling | doaj-art-8b3f997adb844ebeac61f1a04e2d3fee2025-08-20T01:55:11ZengElsevierResults in Surfaces and Interfaces2666-84592025-05-011910050810.1016/j.rsurfi.2025.100508Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reactionPradnya G. Kedar0Anup Kumar Pradhan1Asmita S. Jadhav2Chanchal Chakraborty3Sopan T. Ingle4School of Environmental and Earth Sciences, KBC North Maharashtra University, UMAVI Nagar, Jalgaon, MS, 425001, India; Corresponding author.Department of Chemistry, Birla Institute of Technology & Science (BITS) Pilani, Hyderabad Campus, Jawaharnagar, Samirpet, Hyderabad, Telangana, 500078, IndiaDepartment of Environmental Science, Somaiya School of Basic and Applied Sciences, Somaiya Vidyavihar University, Mumbai, MS, 400077, India; Corresponding author.Department of Chemistry, Birla Institute of Technology & Science (BITS) Pilani, Hyderabad Campus, Jawaharnagar, Samirpet, Hyderabad, Telangana, 500078, India; Materials Center for Sustainable Energy & Environment (McSEE), Birla Institute of Technology and Science, Hyderabad Campus, Hyderabad, Telangana, 500078, IndiaSchool of Environmental and Earth Sciences, KBC North Maharashtra University, UMAVI Nagar, Jalgaon, MS, 425001, IndiaElectrochemical water splitting is an attractive, green, and renewable energy method for hydrogen production due to the abundance of water resources, zero pollution, and high purity. An efficient, stable, and low-cost electrocatalyst is essential for production of pure and clean hydrogen. A straightforward and economical method to synthesize electrocatalysts for efficient hydrogen evolution reaction (HER) is crucial for its practical application. Herein, we have synthesized and reported the application of Nickel-Titania over Graphene (Gr@Ni/TiO2) nanocomposite which is reasonably efficient and highly durable. The catalyst (Gr@Ni/TiO2) 0.2 and 0.4 M ratios were synthesized with the simple co-precipitation method. The standard three-electrode system is used to carry out the HER activity in 1M KOH solution. Due to high conductivity and specific surface area, the synthesized Gr@Ni/TiO2 catalyst (0.4M) achieves low overpotential 101 mV at a current density of 20 mA cm−2. With such electrocatalytic performance and environment friendliness, the Gr@Ni/TiO2 holds significant promise toward efficient hydrogen production.http://www.sciencedirect.com/science/article/pii/S2666845925000959Low-cost electrocatalystGr@Ni/TiO2Co-precipitationHydrogen evolution reaction |
| spellingShingle | Pradnya G. Kedar Anup Kumar Pradhan Asmita S. Jadhav Chanchal Chakraborty Sopan T. Ingle Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction Results in Surfaces and Interfaces Low-cost electrocatalyst Gr@Ni/TiO2 Co-precipitation Hydrogen evolution reaction |
| title | Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction |
| title_full | Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction |
| title_fullStr | Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction |
| title_full_unstemmed | Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction |
| title_short | Graphene-based Ni/TiO2 nanocomposite electrode material for sustainable hydrogen evolution reaction |
| title_sort | graphene based ni tio2 nanocomposite electrode material for sustainable hydrogen evolution reaction |
| topic | Low-cost electrocatalyst Gr@Ni/TiO2 Co-precipitation Hydrogen evolution reaction |
| url | http://www.sciencedirect.com/science/article/pii/S2666845925000959 |
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