Erratum: Modeling and Experimental Validation of Electrochemical Reduction of CO<sub>2</sub>to CO in a Microfluidic Cell [<i>J. Electrochem. Soc.</i>, 162, F23 (2015)]

Ke-gui, WU; Birgersson, Erik; Kim, Byoungsu; Kenis, Paul J. A.; Karimi, Iftekhar A.

doi:10.1149/2.0341503jes

Cited by 20 publications

(21 citation statements)

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“…More importantly, the initial Coulombic efficiency is greatly promoted from 95.5 % in 1 M NaClO 4 electrolyte to 99.3 % in 6 M NaClO 4 electrolyte, and then almost keeps invariable with further increase of electrolyte concentration from 6 M to 9 M. The promoted efficiency can be attributed to the decreased oxygen content in high-concentration electrolytes. [50] Hence, the 6 M NaClO 4 aqueous solution is considered to be the optimized electrolyte in this work. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 Electrochemical performance of the NiHCF material in optimized electrolyte has been further explored by charging and discharging at various current rates.…”

Section: Resultsmentioning

confidence: 99%

High‐Efficiency Na‐Storage Performance of a Nickel‐Based Ferricyanide Cathode in High‐Concentration Electrolytes for Aqueous Sodium‐Ion Batteries

Zhang

Xiang

et al. 2017

ChemElectroChem

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Nickel‐based ferricyanides have attracted much attention as cathode materials for aqueous sodium‐ion batteries, owing to their room‐temperature synthesis and open structural framework. However, factors affecting their electrochemical performance are still not clear. Herein, the effect of electrolyte concentrations on electrochemical properties of the ferricyanide cathode has been investigated by combining cyclic voltammetry, charge/discharge tests, and electrochemical impedance microscopy. It is found that high‐concentration electrolyte can not only raise the working potential, owing to increased activity of Na+ ions, but also increase the initial coulombic efficiency due to suppression of side reactions. The optimized electrolyte enables it cycling with an initial coulombic efficiency of 99.3 %, excellent high‐rate capability (68.1 mAh g−1 at 0.5 C and 63.1 mAh g−1 at 10 C), and outstanding cycling stability (96.3 % capacity retention after 1000 cycles at 10 C). The finding indicates that designing high‐concentration electrolytes is an effective strategy to improve electrochemical performance of ferricyanide cathodes for aqueous sodium‐ion batteries.

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Section: Resultsmentioning

confidence: 99%

High‐Efficiency Na‐Storage Performance of a Nickel‐Based Ferricyanide Cathode in High‐Concentration Electrolytes for Aqueous Sodium‐Ion Batteries

Zhang

Xiang

et al. 2017

ChemElectroChem

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“…An alternative approach for an improved cell design enabling higher CO 2 RR current densities was developed by Kenis and coworkers (for the detailed description of this cell design the interested reader might refer to refs [28,[58][59][60]). This design is based on a combined (liquid) flow cell and gas diffusion type of reactor where a liquid electrolyte is flushed between two fixed GDEs.…”

Section: Co 2 Electrolysis At Low Ph Conditionsmentioning

confidence: 99%

Electrochemical CO₂ Reduction – A Critical View on Fundamentals, Materials and Applications

Durst

Rudnev

Dutta

et al. 2015

Chimia

141

137

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The electrochemical reduction of CO 2 has been extensively studied over the past decades. Nevertheless, this topic has been tackled so far only by using a very fundamental approach and mostly by trying to improve kinetics and selectivities toward specific products in half-cell configurations and liquid-based electrolytes. The main drawback of this approach is that, due to the low solubility of CO 2 in water, the maximum CO 2 reduction current which could be drawn falls in the range of 0.01-0.02 A cm -2 . This is at least an order of magnitude lower current density than the requirement to make CO 2 -electrolysis a technically and economically feasible option for transformation of CO 2 into chemical feedstock or fuel thereby closing the CO 2 cycle. This work attempts to give a short overview on the status of electrochemical CO 2 reduction with respect to challenges at the electrolysis cell as well as at the catalyst level. We will critically discuss possible pathways to increase both operating current density and conversion efficiency in order to close the gap with established energy conversion technologies.

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“…">IntroductionRhenium (Re) is a refractory metal with a unique combination of chemical, physical, and mechanical properties that makes it attractive for high-temperature, catalytic, energy, electrical, biomedical, and other applications, in spite of its high cost. [1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged. Electroplating of pure Re yields poor deposition results.…”

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confidence: 99%

Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

et al. 2016

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Rhenium alloys exhibit a unique combination of chemical, physical, and mechanical properties that makes them attractive for a variety of applications. Herein, we present atomic-scale structural and atomic part-per-million level three-dimensional (3D) chemical characterization of a Re-Ni coating, combining aberration-corrected scanning transmission electron microscopy (STEM) and atom-probe tomography (APT). A unique combination of a columnar and multilayer structure is formed by singlebath dc-electroplating and is reported here for the first time. Alternating thicker Re-rich and thinner Ni-rich layers support a mechanism in which Ni acts as a reducing agent. The multilayers exhibit hetero-epitaxial growth resulting in high residual shear stresses that lead to formation of corrugated interfaces and an outer layer with mud-cracks. IntroductionRhenium (Re) is a refractory metal with a unique combination of chemical, physical, and mechanical properties that makes it attractive for high-temperature, catalytic, energy, electrical, biomedical, and other applications, in spite of its high cost. [1,2] Interest in electroless deposition [3,4] and electrodeposition [5][6][7][8][9][10][11][12][13][14][15][16] of Re and its alloys has recently emerged. Electroplating of pure Re yields poor deposition results. The addition of salts of the iron-group metals (Ni, Fe, and Co) to the plating bath improves, however, the coating dramatically, allowing deposition of thick layers of the

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Erratum: Modeling and Experimental Validation of Electrochemical Reduction of CO₂to CO in a Microfluidic Cell [J. Electrochem. Soc., 162, F23 (2015)]

Abstract: On page F28, left column, Figure 2 should be

Cited by 20 publications

References 0 publications

High‐Efficiency Na‐Storage Performance of a Nickel‐Based Ferricyanide Cathode in High‐Concentration Electrolytes for Aqueous Sodium‐Ion Batteries

High‐Efficiency Na‐Storage Performance of a Nickel‐Based Ferricyanide Cathode in High‐Concentration Electrolytes for Aqueous Sodium‐Ion Batteries

Electrochemical CO₂ Reduction – A Critical View on Fundamentals, Materials and Applications

Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

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Erratum: Modeling and Experimental Validation of Electrochemical Reduction of CO2to CO in a Microfluidic Cell [J. Electrochem. Soc., 162, F23 (2015)]

Abstract: On page F28, left column, Figure 2 should be

Cited by 20 publications

References 0 publications

High‐Efficiency Na‐Storage Performance of a Nickel‐Based Ferricyanide Cathode in High‐Concentration Electrolytes for Aqueous Sodium‐Ion Batteries

High‐Efficiency Na‐Storage Performance of a Nickel‐Based Ferricyanide Cathode in High‐Concentration Electrolytes for Aqueous Sodium‐Ion Batteries

Electrochemical CO₂ Reduction – A Critical View on Fundamentals, Materials and Applications

Atomic‐Scale Structural and Chemical Study of Columnar and Multilayer Re–Ni Electrodeposited Thermal Barrier Coating

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Product

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Erratum: Modeling and Experimental Validation of Electrochemical Reduction of CO₂to CO in a Microfluidic Cell [J. Electrochem. Soc., 162, F23 (2015)]