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Schematic illustrations for (A) a single-wire-electrode AC probe, (B) a conventional 3-electrode electrolyte cell using the same single-wire-electrode as the working electrode and (C) a wire electrode couple
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(A) Simplified equivalent circuit of the single-wire-electrode AC probe and (B) theoretical EIS spectrum of the probe
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Carbon steel single wire immersed in 3.5wt.% NaCl for 0 day, 2 days, 3 days, 8 days and 13 days: (A) EIS spectrum evolution of single-wire-electrodeAC probe and (B) corrosion morphologies of the wire.
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Carbon steel single wire immersed in 3.5wt.% NaCl for 0 day, 2 days, 3 days, 8 days and 13 days: (A) the estimated electrochemical parameters, (B) quantitative analysis corrosion results and (C) EIS spectra by conventional 3-electrode measurement
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Corrosion morphologies of carbon steel wire in 3.5wt.% NaCl for (A) 0 day, (B) 2 days, (C) 3 days, (D) 8 days, (E) 13 days and (F) the enlarged image of (E)
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Zinc single wire immersed in 3.5wt.% NaCl for 0 day, 4 days, 10 days, 20 days and 26 days: (A) EIS spectrum evolution of single-wire-electrode AC probes and (B) corrosion morphologies of the wire.
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Zinc single wire immersed in 3.5wt.% NaCl for 0 day, 4 days, 10 days, 20 days and 26 days: (A) the estimated electrochemical parameters, (B) quantitative analysis corrosion results and (C) EIS spectra by conventional 3-electrode measurement
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Corrosion morphologies of zinc wire in 3.5wt.% NaCl for (A) 0 day, (B) 10 days, (C) 20 days and (D) 26 days
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Zinc wire-carbon steel wire galvanic couple immersed in 3.5wt.% NaCl for 0 day, 2 days, 5 days, 8 days and 13 days: EIS spectrum evolutions of (A) zinc wire and (B) carbon steel, and corrosion morphologies of (C) zinc wire and (D) carbon steel wire.
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Zinc wire-carbon steel wire galvanic couple immersed in 3.5wt.% NaCl for 0 day, 2 days, 5 days, 8 days and 13 days: (A) the estimated electrochemical parameters and (B) quantitative analysis corrosion results of anode zinc wire, (C) the estimated electrochemical parameters and (D) quantitative analysis corrosion results of cathode carbon steel wire.
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(A) Schematic diagram of porous electrode; (B) Transmission line model for porous electrode. Herein, d is electrode thickness, x and t represent the location variable and time variable, respectively, ϕ1 (x,t) and ϕ2(x,t) represent the potentials of electrode matrix and electrolyte in pore, respectively. (color on line)
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Preparation route of Si@CPZS
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(A) XRD patterns of Si@CPZS 50, Si@CPZS 100 and Si@CPZS 150. Inset is the enlarged view of C band; (B) TG curves of Si@CPZS 50, Si@CPZS 100 and Si@CPZS 150; (C) N2 adsorption-desorption isotherms of Si@CPZS 50, Si@CPZS 100, Si@CPZS 150 and Si NPs; (D) The pore size distribution curves of Si@CPZS 100 and Si NPs. Inset: the enlarged view of the pore size distribution in the region indicated by the dashed line.
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Optical, SEM and TEM images of Si@CPZS 50 (A, D, G, J), Si@CPZS 100 (B, E, H, K) and Si@CPZS 150 (C, F, I, L).
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(A) CV curves of Si@CPZS 100 at a sweep rate of 0.2 mV s-1; (B) The first charge/discharge profiles; (C) Cycle performance; (D) the corresponding capacity retention and (E）rate capability curves of Si@CPZS 50, Si@CPZS 100 and Si@CPZS 150.
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SEM images of (A), (B), (C) Si@CPZS 50, (D), (E), (F) Si@CPZS 100 and (G), (H), (I) Si@CPZS 150 electrodes after the cycling process.
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Electrochemical performance comparison of the various Si/C composites with core-shell or yolk-shell structure
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(A) Cycle performance and (B) rate performance curves of the graphite-based anodes with the Si@CPZS 100 additions of 10%, 20% and 30%
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XRD diffraction patterns of FeN/BP catalysts prepared with various weight ratios of phen/BP in catalyst precursor
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N2 adsorption and desorption isotherms for FeN/BP catalysts prepared with different weight ratios of phen/BP in catalyst precursor
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