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Onajah S, Sarkar R, Islam MS, Lalley M, Khan K, Demir M, Abdelhamid HN, Farghaly AA. Silica-Derived Nanostructured Electrode Materials for ORR, OER, HER, CO 2RR Electrocatalysis, and Energy Storage Applications: A Review. CHEM REC 2024; 24:e202300234. [PMID: 38530060 DOI: 10.1002/tcr.202300234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 02/13/2024] [Indexed: 03/27/2024]
Abstract
Silica-derived nanostructured catalysts (SDNCs) are a class of materials synthesized using nanocasting and templating techniques, which involve the sacrificial removal of a silica template to generate highly porous nanostructured materials. The surface of these nanostructures is functionalized with a variety of electrocatalytically active metal and non-metal atoms. SDNCs have attracted considerable attention due to their unique physicochemical properties, tunable electronic configuration, and microstructure. These properties make them highly efficient catalysts and promising electrode materials for next generation electrocatalysis, energy conversion, and energy storage technologies. The continued development of SDNCs is likely to lead to new and improved electrocatalysts and electrode materials. This review article provides a comprehensive overview of the recent advances in the development of SDNCs for electrocatalysis and energy storage applications. It analyzes 337,061 research articles published in the Web of Science (WoS) database up to December 2022 using the keywords "silica", "electrocatalysts", "ORR", "OER", "HER", "HOR", "CO2RR", "batteries", and "supercapacitors". The review discusses the application of SDNCs for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), hydrogen evolution reaction (HER), carbon dioxide reduction reaction (CO2RR), supercapacitors, lithium-ion batteries, and thermal energy storage applications. It concludes by discussing the advantages and limitations of SDNCs for energy applications.
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Affiliation(s)
- Sammy Onajah
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois, 60439, United States
- Pritzker School of Molecular Engineering, The University of Chicago, Chicago, Illinois, 60637, United States
| | - Rajib Sarkar
- Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia, 23284-2006, United States
| | - Md Shafiul Islam
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois, 60439, United States
| | - Marja Lalley
- Department of Chemistry, University of Chicago, Chicago, Illinois, 60637, United States
| | - Kishwar Khan
- Department of Chemistry, City University of Hong Kong, Hong Kong, 999077, China
| | - Muslum Demir
- Department of Chemical Engineering, Bogazici University, 34342, Istanbul, Turkey
- TUBITAK Marmara Research Center, Material Institute, Gebze, 41470, Turkey
| | - Hani Nasser Abdelhamid
- Advanced Multifunctional Materials Laboratory, Department of Chemistry, Assiut University, Assiut, 71516, Egypt
- Egyptian Russian University, Badr City, Cairo, 11829, Egypt
| | - Ahmed A Farghaly
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois, 60439, United States
- Pritzker School of Molecular Engineering, The University of Chicago, Chicago, Illinois, 60637, United States
- Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
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Sun H, Chen S, Zhang B, Wang J, Yao J, Li D, Yuan G. Cation-doped sea-urchin-like MnO 2 for electrocatalytic overall water splitting. Dalton Trans 2023; 52:17407-17415. [PMID: 37946582 DOI: 10.1039/d3dt03059h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
It is necessary to take full account of the activity, selectivity, dynamic performance, economic benefits, and environmental impact of the catalysts in the overall water splitting of electrocatalysis for the reasonable design of electrocatalysts. Designing nanostructures of catalysts and optimizing defect engineering are considered environmentally friendly and cost-effective electrocatalyst synthesis strategies. Herein, we report that metal cations regulate the microstructure of sea-urchin-like MnO2 and act as dopants to cause the lattice expansion of MnO2, resulting in crystal surface defects. The valence unsaturated Mn4+/Mn3+ greatly promotes the electrocatalytic oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The optimal Al-MnO2 showed that the overpotential is 390 and 170 mV in the process of catalyzing OER and HER, respectively, at a current density of 10 mA cm-2. It is exciting to note that after 5000 cycles of Al-MnO2 within the kinetic potential range of OER and HER, its performance remained almost unchanged. This work provides a simple, efficient, and environmentally friendly route for the design of efficient integrated water-splitting electrocatalysts.
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Affiliation(s)
- Haolu Sun
- Anhui Vocational And Technical College, Hefei, 230011, China.
- School of Basic Medicine, Anhui Medical University, Hefei, 230011, China
| | - Songlin Chen
- Anhui Vocational And Technical College, Hefei, 230011, China.
| | - Bo Zhang
- Anhui Vocational And Technical College, Hefei, 230011, China.
| | - Jing Wang
- Wuhai Industrial Energy Conservation Supervision and Guarantee Center, 016000, China
| | - Jun Yao
- Anhui Vocational And Technical College, Hefei, 230011, China.
| | - Deming Li
- Anhui Vocational And Technical College, Hefei, 230011, China.
| | - Guojun Yuan
- Anhui Vocational And Technical College, Hefei, 230011, China.
- Xinjiang University, Urumqi, 830000, China
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