Cubic feooh or fe supported on nanocarbon ribbons 4 (fe(cn) 6 ) 3 The preparation method and application of
A nano-carbon and cube technology, applied in the field of electrochemistry, can solve the problems of easy loss of catalytic sites and impedance, and achieve the effect of simple preparation method, stable structure, and catalytic performance promotion
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Embodiment 1
[0035] This embodiment discloses a preparation method for growing square-shaped FeOOH on a carbon tape, which is prepared by the following steps:
[0036] S1, the cation exchange resin was mixed with different proportions of transition metal salt FeCl 3 ·6H 2 O mixed to obtain mixture 1 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:1), mixture 2 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:2) and mixture 3 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:4); mixture 4 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:6); mixture 5 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:8); mixture 6 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:10);
[0037] S2. Add a certain amount of deionized water to the mixture in step S1, and stir at room temperature;
[0038] S3, filtering the mixture in step S2, drying, and pulverizing;
[0039] S4, the product gained in step S3 is put into qu...
Embodiment 2
[0042] This embodiment discloses a kind of carbon belt growing square-shaped Fe 4 (Fe(CN) 6 ) 3 The preparation method is prepared by the following steps:
[0043] S1, the cation exchange resin was mixed with different proportions of transition metal salt FeCl 3 ·6H 2 O mixed to obtain mixture 1 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:1), mixture 2 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:2) and mixture 3 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:4); mixture 4 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:6); mixture 5 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:8); mixture 6 (cation exchange resin: FeCl 3 ·6H 2 The mass ratio of O is 1:10);
[0044] S2. Add a certain amount of deionized water to the mixture in step S1, and stir at room temperature;
[0045] S3, filtering the mixture in step S2, drying, and pulverizing;
[0046] S4, the product gained in step S3 is...
Embodiment 3
[0053] This embodiment discloses a carbon ribbon growing square FeOOH or Fe 4 (Fe(CN) 6 ) 3 The preparation method is obtained by the following preparation steps:
[0054] S1, the cation exchange resin was mixed with different proportions of transition metal salt FeSO 4 Mix to obtain a mixture (cation exchange resin: FeSO 4 The mass ratio is 1:1);
[0055] S2. Add a certain amount of deionized water to the mixture in step S1, and stir at room temperature;
[0056] S3, filtering the mixture in step S2, drying, and pulverizing;
[0057] S4, the product gained in step S3 is put into quartz boat and mixed with a certain proportion of sodium carbonate, then placed in tube furnace, under N 2 Under the atmosphere, pre-heat the tube furnace to 900-1000°C, then push the quartz boat to the heating center position, heat for 2-30min, and obtain square-shaped Fe at 900-950°C 4 (Fe(CN) 6 ) 3 Supported carbon ribbons, FeOOH and Fe loaded on nano-carbon ribbons were obtained at 980-1...
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