Graphene modified metal oxide anode material and preparation process thereof
A technology of graphene modification and anode materials, which is applied in the field of electrochemistry to achieve the effects of improving electrolysis efficiency, improving stability and service life, and slowing down passivation speed
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example 1
[0026] The industrial titanium plate TA1 substrate is selected, after sandblasting, alkali washing, etching, washing with deionized water, and then storing in ethanol solution for later use.
[0027] (1) Ru-Ir-Sn-Sb-G coating solution configuration:
[0028] Dissolve a certain amount of chloroiridic acid, ruthenium trichloride, tin tetrachloride, and antimony trichloride in n-butanol or isopropanol, and their atomic percentages are respectively Ru: 15-30%, Ir: 20- 60%, Sn: 12-30%, Sb: 15-30%, then add a small amount of hydrochloric acid, and finally add graphene G, the content is 1-10g / L, stir evenly with a stirrer, and the metal ion concentration is 0.15mol / L.
[0029] (2) Brushing and sintering of the coating:
[0030] a) Apply the coating solution evenly on the titanium plate, then dry it in an oven at 100°C for 10 minutes, and then sinter at 520°C for 15 minutes, then take it out and cool it in air.
[0031] b) Repeat step a in turn, repeat 10 times, so that the loadin...
example 2
[0034] The industrial titanium plate TA1 substrate is selected, after sandblasting, alkali washing, etching, washing with deionized water, and then storing in ethanol solution for later use.
[0035] (1) Ru-Ir-Sn-Sb-G coating solution configuration:
[0036]Dissolve a certain amount of chloroiridic acid, ruthenium trichloride, tin tetrachloride, and antimony trichloride in n-butanol or isopropanol, and their atomic percentages are respectively Ru: 15-30%, Ir: 20- 60%, Sn: 12-30%, Sb: 15-30%, then add a small amount of hydrochloric acid, and finally add graphene G, the content is 1-10g / L, stir evenly with a stirrer, and the metal ion concentration is 0.15mol / L.
[0037] (2) Brushing and sintering of the coating:
[0038] a) Apply the active coating solution evenly on the titanium plate, then dry it in an oven at 100°C for 10 minutes, and then sinter at 520°C for 15 minutes, then take it out and air-cool it.
[0039] b) Repeat step a in turn, repeat 10 times, so that the loa...
example 3
[0042] The industrial titanium plate TA1 substrate is selected, after sandblasting, alkali washing, etching, washing with deionized water, and then storing in ethanol solution for later use.
[0043] (1) Ru-Ir-Sn-Sb-G coating solution configuration:
[0044] Dissolve a certain amount of chloroiridic acid, ruthenium trichloride, tin tetrachloride, and antimony trichloride in n-butanol or isopropanol, and the atomic percentages thereof are respectively Ir: 20% to 60%, Ru: 15% to 30%, Sn: 12-30%, Sb: 15-30%, then add a small amount of hydrochloric acid, and finally add graphene G, the content is 1-10g / L, stir evenly with a stirrer, and the metal ion concentration is 0.15mol / L.
[0045] (2) Brushing and sintering of the coating:
[0046] a) Apply the coating solution evenly on the titanium plate, then dry it in an oven at 100°C for 10 minutes, and then sinter at 520°C for 15 minutes, then take it out and cool it in air.
[0047] b) Repeat step a in turn, repeat 10 times, so th...
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