Carbon plasm for electrode of dye sensitization solar battery pair and its making method
A technology of solar cells and dye sensitization, applied in the field of electrodes, can solve the problems of unfavorable large-scale promotion and application, complex production process, high electrode cost, and achieve good short-circuit current and photoelectric conversion efficiency, uniform distribution of holes, and material cost. reduced effect
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Embodiment 1
[0044]1. First, prepare hard carbon powder according to the synthesis method described in Example 4 in the patent publication number CN1191195C, and then use a ball mill or other crushing and grinding equipment to grind the hard carbon powder to obtain The particle size is about 6μm, and the specific surface area is 400m 2 / g hard carbon powder, weigh 6.000g hard carbon powder for use;
[0045] 2. Configure the liquid mixture, weigh according to the following components and formula:
[0046] (a) Ethyl cellulose (viscosity modifier) 0.2000g
[0047] (b) Isopropanol (solvent) 15ml;
[0048] 3. Dissolve the weighed ethyl cellulose in isopropanol, and perform mechanical stirring to mix evenly. The mechanical stirring time is 5 minutes, and the temperature is kept at 20-30°C to form a transparent liquid mixture;
[0049] 4. Mix the liquid mixture prepared above with 6.000 g of hard carbon powder, and mix with a ball mill for 4 hours to prepare a carbon slurry.
Embodiment 2
[0051] Weigh 0.2000 g of ethyl cellulose (viscosity modifier), add it to 15 ml of isopropanol (solvent), keep the temperature at 20-30°C, stir for 30 minutes to dissolve. Then 0.5000 g of Triton 100 was added and mixed uniformly to prepare a liquid mixture. Other conditions and steps were the same as in Example 1, to prepare a carbon slurry.
Embodiment 3
[0053] Weigh 0.2500g of ethyl cellulose (viscosity modifier), add it to 15ml of isopropanol (solvent), keep the temperature at 20-30℃, stir for 1 hour to dissolve, and then add 0.5000g of surfactant Triton100 , 5.000g of pore-forming material polyethylene glycol 600 and 0.1000 binder tin dioxide are mixed uniformly, as a liquid mixture. Other conditions and steps were the same as in Example 1, to prepare a carbon slurry.
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