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Kim M, Min K, Ko D, Seong H, Eun Shim S, Baeck SH. Regulating the electronic structure of Ni 2P by one-step Co, N dual-doping for boosting electrocatalytic performance toward oxygen evolution reaction and urea oxidation reaction. J Colloid Interface Sci 2023; 650:1851-1861. [PMID: 37515975 DOI: 10.1016/j.jcis.2023.07.158] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/13/2023] [Accepted: 07/24/2023] [Indexed: 07/31/2023]
Abstract
The development of efficient bifunctional electrocatalysts for oxygen evolution reaction (OER) and urea oxidation reaction (UOR) is critical for hydrogen production and wastewater purification. In this work, we propose a facile synthetic method for Co and N dual-doped Ni2P directly grown on Ni foam (Co-Ni2P-N/NF) using hydrothermal and annealing process. Simultaneous Co and N dual-doping into Ni2P not only modifies the surface electronic structure, but also generates a multitude of active sites with high valence states, which are beneficial for improving electrocatalytic kinetics for both OER and UOR. As a result, the Co-Ni2P-N/NF catalyst exhibits a low overpotential of 329 mV to deliver a current density of 100 mA cm-2 for OER in alkaline solution, which is much lower than that of the state-of-the-art RuO2 electrocatalyst. In addition, the urea-assisted water oxidation process exhibits a significant reduction of approximately 163 mV in the required potential at 100 mA cm-2 compared to that of the OER, which highlights the remarkable potential of the prepared Co-Ni2P-N/NF electrocatalyst in facilitating the purification of wastewater and hydrogen production with significantly lower energy consumption.
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Affiliation(s)
- Minjung Kim
- Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy Materials and Process, Inha University, Incheon 22212, Republic of Korea
| | - Kyeongseok Min
- Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy Materials and Process, Inha University, Incheon 22212, Republic of Korea
| | - Dasol Ko
- Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy Materials and Process, Inha University, Incheon 22212, Republic of Korea
| | - Haemin Seong
- Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy Materials and Process, Inha University, Incheon 22212, Republic of Korea
| | - Sang Eun Shim
- Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy Materials and Process, Inha University, Incheon 22212, Republic of Korea
| | - Sung-Hyeon Baeck
- Department of Chemistry and Chemical Engineering, Education and Research Center for Smart Energy Materials and Process, Inha University, Incheon 22212, Republic of Korea.
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2
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Lamprecht X, Zellner P, Yesilbas G, Hromadko L, Moser P, Marzak P, Hou S, Haid R, Steinberger F, Steeger T, Macak JM, Bandarenka AS. Fast-Charging Capability of Thin-Film Prussian Blue Analogue Electrodes for Aqueous Sodium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2023; 15:23951-23962. [PMID: 37145973 DOI: 10.1021/acsami.3c02633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Prussian blue analogues are considered as promising candidates for aqueous sodium-ion batteries providing a decently high energy density for stationary energy storage. However, suppose the operation of such materials under high-power conditions could be facilitated. In that case, their application might involve fast-response power grid stabilization and enable short-distance urban mobility due to fast re-charging. In this work, sodium nickel hexacyanoferrate thin-film electrodes are synthesized via a facile electrochemical deposition approach to form a model system for a robust investigation. Their fast-charging capability is systematically elaborated with regard to the electroactive material thickness in comparison to a ″traditional″ composite-type electrode. It is found that quasi-equilibrium kinetics allow extremely fast (dis)charging within a few seconds for sub-micron film thicknesses. Specifically, for a thickness below ≈ 500 nm, 90% of the capacity can be retained at a rate of 60C (1 min for full (dis)charge). A transition toward mass transport control is observed when further increasing the rate, with thicker films being dominated by this mode earlier than thinner films. This can be entirely attributed to the limiting effects of solid-state diffusion of Na+ within the electrode material. By presenting a PBA model cell yielding 25 Wh kg-1 at up to 10 kW kg-1, this work highlights a possible pathway toward the guided design of hybrid battery-supercapacitor systems. Furthermore, open challenges associated with thin-film electrodes are discussed, such as the role of parasitic side reactions, as well as increasing the mass loading.
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Affiliation(s)
- Xaver Lamprecht
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Philipp Zellner
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Göktug Yesilbas
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Ludek Hromadko
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, 61200 Brno, Czech Republic
- Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam.Cs.Legii 565, 53002 Pardubice, Czech Republic
| | - Philipp Moser
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Philipp Marzak
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Shujin Hou
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Richard Haid
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Florian Steinberger
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Tim Steeger
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
| | - Jan M Macak
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, 61200 Brno, Czech Republic
- Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam.Cs.Legii 565, 53002 Pardubice, Czech Republic
| | - Aliaksandr S Bandarenka
- Physics of Energy Conversion and Storage, Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching bei München, Germany
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Zhang F, Zhang W, Wexler D, Guo Z. Recent Progress and Future Advances on Aqueous Monovalent-Ion Batteries towards Safe and High-Power Energy Storage. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107965. [PMID: 35338665 DOI: 10.1002/adma.202107965] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 02/25/2022] [Indexed: 05/24/2023]
Abstract
Aqueous monovalent-ion batteries have been rapidly developed recently as promising energy storage devices in large-scale energy storage systems owing to their fast charging capability and high power densities. In recent years, Prussian blue analogues, polyanion-type compounds, and layered oxides have been widely developed as cathodes for aqueous monovalent-ion batteries because of their low cost and high theoretical capacity. Furthermore, many design strategies have been proposed to expand their electrochemical stability window by reducing the amount of free water molecules and introducing an electrolyte addictive. This review highlights the advantages and drawbacks of cathode and anode materials, and summarizes the correlations between the various strategies and the electrochemical performance in terms of structural engineering, morphology control, elemental compositions, and interfacial design. Finally, this review can offer rational principles and potential future directions in the design of aqueous monovalent-ion batteries.
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Affiliation(s)
- Fangli Zhang
- Institute for Superconducting & Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, innovation Campus, North Wollongong, New South Wales, 2500, Australia
| | - Wenchao Zhang
- School of Metallurgy and Environment, Central South University, Changsha, 410083, China
- Chinese National Engineering Research Centre for Control & Treatment of Heavy Metal Pollution, Changsha, 410083, China
| | - David Wexler
- Faculty of Engineering and Information Science, University of Wollongong, Northfields Ave, Wollongong, New South Wales, 2522, Australia
| | - Zaiping Guo
- School of Chemical Engineering & Advanced Materials, The University of Adelaide, Adelaide, South Australia, 5005, Australia
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Harms L, Roth N, Wittstock G. A new programmable dipping robot. ELECTROCHEMICAL SCIENCE ADVANCES 2022. [DOI: 10.1002/elsa.202100177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Lena Harms
- School of Mathematics and Science Institute of Chemistry, Carl von Ossietzky University of Oldenburg Oldenburg Germany
| | - Nico Roth
- School of Mathematics and Science Institute of Chemistry, Carl von Ossietzky University of Oldenburg Oldenburg Germany
| | - Gunther Wittstock
- School of Mathematics and Science Institute of Chemistry, Carl von Ossietzky University of Oldenburg Oldenburg Germany
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