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專利授權區
專利名稱(中)	自鈣鈦礦太陽能電池回收有價材料的方法
專利名稱(英)	Method for recovering valuable material from perovskite solar cell
專利家族	中華民國：I810867 大陸：CN116854128A(公開號)
專利權人	國立清華大學 100%
發明人	闕郁倫,劉凡瑋,陳偉聖
技術領域	材料化工,能源科技

專利摘要(英)
This invention provides a method for recovering valuable material from perovskite solar cell, which comprises the following steps of (a) soaking a perovskite solar cell plate into an organic solvent for dissolving Cs＋, Pb2＋, Br－, and I－ from an absorbing layer thereof; (b) adding an oxidant into the organic solvent to form a mixing solution for oxidizing the I－ into I2; (c) heating the mixing solution until dry up to form a solid residue containing Cs＋, Pb2＋, and Br－ and sublimating and recovering the I2 from the mixing solution, simultaneously; (d) dissolving the I2 into DI water to from a recycled I2 solution; (e) rinsing the solid residue containing Cs＋, Pb2＋, and Br－ by DI water so as to obtain a Pb(OH)2 and a liquid phase containing Cs＋, Pb2＋, and Br－; (f) calcining the Pb(OH)2 into PbO, or dissolving the Pb(OH) into HNO3 solution and then mixing with the recycled I2 solution so as to precipitate PbI2; (g) mixing the liquid phase containing Cs＋, Pb2＋, and Br－ with 4-tert-butyl-2-(α-methylbenzyl)-phenol (t-BAMBP) that is diluted by an oil phase so as to separate into an oil phase solution containing Cs＋ and an aqueous phase solution containing Pb2＋, and Br－; (h) mixing the oil phase solution containing Cs＋ with NH4OH solution such that strips the Cs＋ into an aqueous phase solution containing Cs＋; and (i) adding the recycled I2 solution into the aqueous phase solution containing Cs＋ and then concentrating under reduced pressure to precipitate CsI.

專利摘要(英)

This invention provides a method for recovering valuable material from perovskite solar cell, which comprises the following steps of (a) soaking a perovskite solar cell plate into an organic solvent for dissolving Cs＋, Pb2＋, Br－, and I－ from an absorbing layer thereof; (b) adding an oxidant into the organic solvent to form a mixing solution for oxidizing the I－ into I2; (c) heating the mixing solution until dry up to form a solid residue containing Cs＋, Pb2＋, and Br－ and sublimating and recovering the I2 from the mixing solution, simultaneously; (d) dissolving the I2 into DI water to from a recycled I2 solution; (e) rinsing the solid residue containing Cs＋, Pb2＋, and Br－ by DI water so as to obtain a Pb(OH)2 and a liquid phase containing Cs＋, Pb2＋, and Br－; (f) calcining the Pb(OH)2 into PbO, or dissolving the Pb(OH) into HNO3 solution and then mixing with the recycled I2 solution so as to precipitate PbI2; (g) mixing the liquid phase containing Cs＋, Pb2＋, and Br－ with 4-tert-butyl-2-(α-methylbenzyl)-phenol (t-BAMBP) that is diluted by an oil phase so as to separate into an oil phase solution containing Cs＋ and an aqueous phase solution containing Pb2＋, and Br－; (h) mixing the oil phase solution containing Cs＋ with NH4OH solution such that strips the Cs＋ into an aqueous phase solution containing Cs＋; and (i) adding the recycled I2 solution into the aqueous phase solution containing Cs＋ and then concentrating under reduced pressure to precipitate CsI.

聯絡資訊
承辦人姓名	楊美茹
承辦人電話	03-5715131 #62305
承辦人Email	mjyang2@mx.nthu.edu.tw