專利授權區國立清華大學國際產學營運總中心 Operations Center for Industry Collaboration

搜尋專利授權區

關鍵字

» 新增關鍵字

選單

專利授權區

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：CN116854128B 美國：(公開號)
專利權人	國立清華大學 100.00%
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)
Accordingly, the present disclosure provides a method for recovering a valuable material from a perovskite solar cell, which can alleviate at least one of the drawbacks of the prior art, and which includes: (a) immersing a perovskite solar cell device in an organic solvent to separate an absorbing layer containing at least one monovalent metal cation, at least one divalent metal cation, and at least two halogen anions, an electron transport layer, and a transparent conductive layer from the perovskite solar cell device, and to dissolve the at least one monovalent metal cation, the at least one divalent metal cation, and the at least two halogen anions of the absorption layer in the organic solvent; (b) adding an oxidizing agent to the organic solvent to obtain a mixture containing a halogen molecule formed by oxidation of one of the two halogen anions; (c) heating the mixture until dry to form a solid phase residue containing the at least one monovalent metal cation, the at least one divalent metal cation, and the other one of the two halogen anions, and to sublime and recover the halogen molecule; (d) dissolving the recovered halogen molecule in step (c) in deionized water to form a recovered halogen solution; (e) rinsing the solid phase residue in step (c) with deionized water to obtain a solid phase containing a hydroxide of the divalent metal and a liquid phase containing the at least one monovalent metal cation, the at least one divalent metal cation, and the other one of the two halogen anions; (f) calcining the solid phase containing the hydroxide of the divalent metal in step (e) into a metal oxide, or dissolving the solid phase containing the hydroxide of the divalent metal in step (e) in an aqueous solution, followed by mixing with the recovered halogen solution in step (d), so as to obtain a first metal halide; (g) subjecting the liquid phase containing the at least one monovalent metal cation, the at least one divalent metal cation, and the other one of the two halogen anions in step (e) to an extraction treatment with an extractant diluted with an oil, so as to form an oil phase layer containing the at least one monovalent metal cation, and an aqueous phase layer containing the at least one divalent metal cation and the other one of the two halogen anions, wherein the extractant is 4-tert-butyl-2-(α-methylbenzyl)phenol; (h) subjecting the oil phase layer containing the at least one monovalent metal cation in step (g) to a back-extraction treatment with an ammonium hydroxide solution, so as to obtain an aqueous phase solution containing the at least one monovalent metal cation; and (i) adding the recovered halogen solution in step (d) to the aqueous phase solution containing the at least one monovalent metal cation in step (h), followed by conducting a vacuum concentration treatment, so as to obtain a second metal halide.

專利摘要(英)

Accordingly, the present disclosure provides a method for recovering a valuable material from a perovskite solar cell, which can alleviate at least one of the drawbacks of the prior art, and which includes: (a) immersing a perovskite solar cell device in an organic solvent to separate an absorbing layer containing at least one monovalent metal cation, at least one divalent metal cation, and at least two halogen anions, an electron transport layer, and a transparent conductive layer from the perovskite solar cell device, and to dissolve the at least one monovalent metal cation, the at least one divalent metal cation, and the at least two halogen anions of the absorption layer in the organic solvent; (b) adding an oxidizing agent to the organic solvent to obtain a mixture containing a halogen molecule formed by oxidation of one of the two halogen anions; (c) heating the mixture until dry to form a solid phase residue containing the at least one monovalent metal cation, the at least one divalent metal cation, and the other one of the two halogen anions, and to sublime and recover the halogen molecule; (d) dissolving the recovered halogen molecule in step (c) in deionized water to form a recovered halogen solution; (e) rinsing the solid phase residue in step (c) with deionized water to obtain a solid phase containing a hydroxide of the divalent metal and a liquid phase containing the at least one monovalent metal cation, the at least one divalent metal cation, and the other one of the two halogen anions; (f) calcining the solid phase containing the hydroxide of the divalent metal in step (e) into a metal oxide, or dissolving the solid phase containing the hydroxide of the divalent metal in step (e) in an aqueous solution, followed by mixing with the recovered halogen solution in step (d), so as to obtain a first metal halide; (g) subjecting the liquid phase containing the at least one monovalent metal cation, the at least one divalent metal cation, and the other one of the two halogen anions in step (e) to an extraction treatment with an extractant diluted with an oil, so as to form an oil phase layer containing the at least one monovalent metal cation, and an aqueous phase layer containing the at least one divalent metal cation and the other one of the two halogen anions, wherein the extractant is 4-tert-butyl-2-(α-methylbenzyl)phenol; (h) subjecting the oil phase layer containing the at least one monovalent metal cation in step (g) to a back-extraction treatment with an ammonium hydroxide solution, so as to obtain an aqueous phase solution containing the at least one monovalent metal cation; and (i) adding the recovered halogen solution in step (d) to the aqueous phase solution containing the at least one monovalent metal cation in step (h), followed by conducting a vacuum concentration treatment, so as to obtain a second metal halide.

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