SnO2@PPy nano-film structural material as well as preparation method and application thereof
A technology of nano-film and structural materials, applied in the field of nano-materials and electrochemistry, can solve the problems of low lithium ion conductivity and damage cycle performance, and achieve the effect of improving material conductivity, improving rate performance, and preventing structural damage.
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Embodiment 1
[0026] SnO 2 The preparation method of PPy nano film material comprises the following steps:
[0027] 1) Add 0.0038mol of SnCl to the container 4 .5H 2 O and 0.031mol of NaOH, then add 30ml of deionized water, stir in air for 30min;
[0028] 2) Add 0.0013mol of NH to the solution 4 F, continue stirring for 30min;
[0029] 3) Put the foamed nickel (a square with a diameter of 2.5cm) that has been cleaned and acidified into the reactor and pour the solution obtained in step 2), put the reactor into a 200°C oven for hydrothermal reaction for 24h, and obtain Grown SnO 2 Nickel foam with nanorod arrays;
[0030] 4) Disperse pyrrole monomer in lithium perchlorate acetonitrile solution, wherein the concentration of pyrrole monomer is 10mmol L -1 , the lithium perchlorate concentration is 100mmol L -1 , mixed and stirred for 30min;
[0031] 5) With already grown SnO 2 The nickel foam of the nanorod array was used as the working electrode, the Ag / AgCl was used as the referenc...
Embodiment 2
[0037] SnO 2 The preparation method of PPy nano film material comprises the following steps:
[0038] 1) Add 0.0038mol of SnCl to the container 4 .5H 2 O and 0.031mol of NaOH, then add 30ml of deionized water, stir in air for 30min;
[0039] 2) Add 0.0013mol of NH to the solution 4 F, continue stirring for 30min;
[0040] 3) Put the foamed nickel (a square with a diameter of 2.5cm) that has been cleaned and acidified into the reactor and pour the solution obtained in step 2), put the reactor into a 200°C oven for hydrothermal reaction for 24h, and obtain Grown SnO 2 Nickel foam with nanorod arrays;
[0041] 4) Disperse pyrrole monomer in 1 lithium perchlorate acetonitrile solution, wherein the concentration of pyrrole monomer is 100mmol L -1 , the lithium perchlorate concentration is 10mmol L -1 , mixed and stirred for 30min;
[0042] 5) With already grown SnO 2 The nickel foam of the nanorod array was used as the working electrode, the Ag / AgCl was used as the refere...
Embodiment 3
[0045] SnO 2 The preparation method of PPy nano film material comprises the following steps:
[0046] 1) Add 0.0038mol of SnCl to the container 4 .5H 2 O and 0.031mol of NaOH, then add 30ml of deionized water, stir in air for 30min;
[0047] 2) Add 0.0013mol of NH to the solution 4 F, continue stirring for 30min;
[0048] 3) Put the foamed nickel (a square with a diameter of 2.5cm) that has been cleaned and acidified into the reactor and pour the solution obtained in step 2), put the reactor into a 200°C oven for hydrothermal reaction for 24h, and obtain Grown SnO 2 Nickel foam with nanorod arrays;
[0049] 4) Disperse pyrrole monomer in 1 lithium perchlorate acetonitrile solution, wherein the concentration of pyrrole monomer is 50mmol L -1 , the lithium perchlorate concentration is 50mmol L -1 , mixed and stirred for 30min;
[0050] 5) With already grown SnO 2 The nickel foam of the nanorod array was used as the working electrode, the Ag / AgCl was used as the referen...
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