Graphene-doped and lanthanum-modified titanium-based lead dioxide electrode and preparation method thereof
A lead dioxide and graphene technology, applied in electrodes, electrolysis process, electrolysis components, etc., can solve the problems of complicated manufacturing process, and achieve the effect of improving electrocatalytic performance, improving electrocatalytic activity, and improving service life
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Embodiment 1
[0042] 1# titanium-based lead dioxide electrode doped with graphene and lanthanum modified, refer to figure 1 , its specific structure includes:
[0043] Titanium substrate 1;
[0044] Tin antimony oxide bottom layer 2 thermally deposited on a titanium substrate;
[0045] Electrodeposition of graphene and lanthanum-modified β-PbO on tin antimony oxide underlayer 2 active layer 3.
[0046] In this embodiment, titanium wire is used as the titanium substrate.
[0047] The specific preparation method of 1# doped graphene and lanthanum-modified titanium-based lead dioxide electrode is as follows:
[0048] (1) Pretreatment of the titanium substrate: use titanium wire as the titanium substrate, firstly use coarse sandpaper to polish the titanium wire until it presents a silvery white metallic light, rinse it with deionized water; place the polished titanium wire Ultrasonic treatment in acetone for 4 minutes to remove oil stains; then place the degreased titanium wire in deionize...
Embodiment 2
[0071] 2# graphene-doped and lanthanum-modified titanium-based lead dioxide electrode, which has the same structure as the 1# graphene-doped and lanthanum-modified titanium-based lead dioxide electrode in Example 1.
[0072] In this embodiment, titanium wire is used as the titanium substrate.
[0073] The specific preparation method of 2# doped graphene and lanthanum-modified titanium-based lead dioxide electrode is as follows:
[0074] (1) pretreatment of titanium substrate: same as the pretreatment step of embodiment 1;
[0075](2) thermally deposited tin antimony oxide bottom layer: the same as the step of the thermally deposited tin antimony oxide bottom layer of embodiment 1;
[0076] (3) Electrodeposition of graphene and lanthanum-modified β-PbO 2 Active layer: The above-mentioned titanium substrate thermally deposited with a bottom layer of tin antimony oxide is used as an anode, and graphite with an equal area is used as a cathode, and β-PbO is electrodeposited in an...
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