Perovskite solar cell conductive carbon paste, carbon counter electrode, cell and method of manufacturing the conductive carbon paste
A technology of solar cells and conductive carbon paste, which is applied in the manufacture of cables/conductors, conductive materials dispersed in non-conductive inorganic materials, semiconductor/solid-state device manufacturing, etc., which can solve the problem of corroding perovskite films and hindering photoelectric conversion efficiency , can not be directly applied to the preparation of perovskite solar cells, etc., to achieve the effect of being conducive to collection, good conductivity, and improving photoelectric conversion efficiency
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Embodiment 1
[0031] This example is used to prepare conductive carbon paste.
[0032] S1: magnetic stirring at 50° C. for 3 hours, dissolving the binder in an organic solvent to form a transparent fluid solution; the binder is acrylic resin and ethyl cellulose; the solvent is toluene. The binder accounts for 10% by mass of the conductive carbon paste. The conductive filler accounts for 15% by mass of the conductive carbon paste; the inorganic additive accounts for 3.5% by mass of the conductive carbon paste.
[0033] S2: Perform ball milling on the mixed powder of conductive filler and inorganic additive to obtain a uniformly mixed powder; the inorganic additive is ZrO 2 powder, ZrO 2The particle size is 40nm, and the conductive filler includes nano-carbon black powder and flaky graphite powder, the mass ratio of which is 1:4, the particle size of the nano-carbon black powder is 40nm, and the particle size of the flaky graphite powder is 1 μm.
[0034] S3: Put the uniformly mixed powder...
Embodiment 2
[0036] This example is used to prepare conductive carbon paste.
[0037] S1: magnetic stirring at 60° C. for 4 hours, the binder is dissolved in an organic solvent to form a transparent fluid solution; the binder is acrylic resin and ethyl cellulose; the solvent is ethyl acetate. The binder accounts for 6% by mass of the conductive carbon paste, the conductive filler accounts for 20% by mass of the conductive carbon paste, and the inorganic additive accounts for 5% by mass of the conductive carbon paste.
[0038] S2: Perform ball milling on the mixed powder of conductive filler and inorganic additive to obtain a uniformly mixed powder; the inorganic additive is ZrO 2 , ZrO 2 The particle size of the powder is 50nm, the conductive filler includes nano-carbon black powder and flaky graphite powder, the mass ratio is 1:3, the particle size of the nano-carbon black powder is 30nm, and the particle size of the flaky graphite powder is 3 μm .
[0039] S3: Put the uniformly mixed ...
Embodiment 3
[0041] This example is used to prepare conductive carbon paste.
[0042] S1: magnetic stirring at 70° C. for 4 hours, the binder is dissolved in an organic solvent to form a transparent fluid solution; the binder is acrylic resin and ethyl cellulose; the solvent is ethyl acetate. The binder accounts for 15% by mass of the conductive carbon paste, the conductive filler accounts for 18% by mass of the conductive carbon paste, and the inorganic additive accounts for 3% by mass of the conductive carbon paste.
[0043] S2: Perform ball milling on the mixed powder of conductive filler and inorganic additive to obtain a uniformly mixed powder; the inorganic additive is NiO, the particle size of NiO powder is 30nm, and the conductive filler includes nano-carbon black powder and flaky graphite powder, and its mass ratio is 1:3, the particle size of the nano-carbon black powder is 50nm, and the particle size of the flaky graphite powder is 5 μm.
[0044] S3: Put the uniformly mixed pow...
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