CN107275003A - 一种单晶硅太阳能电池用铝浆的制备方法 - Google Patents
一种单晶硅太阳能电池用铝浆的制备方法 Download PDFInfo
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 25
- 239000010703 silicon Substances 0.000 title claims abstract description 25
- 239000004411 aluminium Substances 0.000 title claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 14
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 claims abstract description 7
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- 229910052681 coesite Inorganic materials 0.000 claims abstract description 7
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 7
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- 229940008099 dimethicone Drugs 0.000 claims abstract description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 7
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims abstract description 7
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- 235000010445 lecithin Nutrition 0.000 claims abstract description 7
- 229940067606 lecithin Drugs 0.000 claims abstract description 7
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 7
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 7
- 239000000155 melt Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 7
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- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 7
- 238000010792 warming Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 7
- 238000000498 ball milling Methods 0.000 claims abstract description 6
- 230000000171 quenching effect Effects 0.000 claims abstract description 4
- 239000001856 Ethyl cellulose Substances 0.000 claims description 6
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical group CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 6
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- 235000019325 ethyl cellulose Nutrition 0.000 claims description 6
- 229920001249 ethyl cellulose Polymers 0.000 claims description 6
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract 2
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- 238000009413 insulation Methods 0.000 abstract 1
- 229960004274 stearic acid Drugs 0.000 abstract 1
- 239000011787 zinc oxide Substances 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 125000004494 ethyl ester group Chemical group 0.000 description 4
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- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical group [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010946 fine silver Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- 238000005829 trimerization reaction Methods 0.000 description 1
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- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
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- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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Abstract
本发明提供了一种单晶硅太阳能电池用铝浆的制备方法,取B2O3、SiO2、PbO、Bi2O3、Ge2O3、Al2O3、ZnO、碳酸镁、碳酸钠混合,加热后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;然后将纤维素、松油醇、丙烯酸树脂、分散剂、乙酸乙酯、聚甲基丙烯酸铵、硬脂酸、二甲基硅油、卵磷脂混合,升温至50‑70℃保温,放冷,将所得混合液加热至40‑50℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。本发明提供的铝浆在制备完成单晶硅太阳能电池后,其光电转换效率可以达到18.37%以上,电池片的翘曲度可以控制在1.19 mm以下。
Description
技术领域
本发明属于太阳能电池技术领域,具体涉及一种单晶硅太阳能电池用铝浆的制备方法。
背景技术
单晶硅太阳能电池,是以高纯的单晶硅棒为原料的太阳能电池,是当前开发得最快的一种太阳能电池。它的构造和生产工艺已定型,产品已广泛用于空间和地面。近5年来,中国光伏电池产量年增长速度为1-3倍,光伏电池产量占全球产量的比例也由2002年1.07%增长到2008年的近15%。总体来看,中国太阳能电池的国际市场份额和技术竞争力大幅提高。在产业布局上,中国太阳能电池产业已经形成了一定的集聚态势。在长三角、环渤海、珠三角、中西部地区,已经形成了各具特色的太阳能产业集群。
晶体硅太阳能电池用电子浆料属于厚膜导电浆料的一种,其构成为有机载体、金属功能相(超细银粉、铝粉)、高温粘结相(一般为玻璃粉或者金属氧化物,晶体硅太阳能所用高温粘结相为玻璃粉)以及少量的添加相。其中有机载体为丝网印刷时调节印刷特性的功能相,起到分散金属功能相和高温粘结相的作用。金属功能相起到形成电极并与硅片合金化生成紧密联系层的作用。高温粘结相起到高温烧结后将基板和电极粘合的作用。
发明内容
解决的技术问题:本发明的目的是提供一种单晶硅太阳能电池用铝浆的制备方法,所得铝浆用于制备出的太阳能电池翘曲率小、转化率高。
技术方案:一种单晶硅太阳能电池用铝浆的制备方法,包括以下步骤:
步骤1,以重量份计,取B2O3 1-5份、SiO2 10-20份、PbO 3-7份、Bi2O3 40-50份、Ge2O3 2-4份、Al2O3 1-4份、ZnO 2-7份、碳酸镁0.5-1.5份、碳酸钠0.4-1.2份混合,加热至400℃后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;
步骤2,以重量份计,将纤维素4-6份、松油醇30-40份、丙烯酸树脂2-6份、分散剂1-4份、乙酸乙酯5-10份、聚甲基丙烯酸铵2-6份、硬脂酸1-4份、二甲基硅油0.8-1.5份、卵磷脂0.4-1.2份混合,升温至50-70℃,保温1-2h,放冷,得到混合液;
步骤3,将步骤2所得混合液加热至40-50℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。
进一步地,步骤1中加热速率为10-20℃/min。
进一步地,步骤1中熔炼温度为1200-1300℃。
进一步地,所述玻璃粉的粒径在100-200目。
进一步地,所述纤维素为乙基纤维素。
进一步地,所述分散剂为三聚磷酸钠。
进一步地,步骤3中分散条件为1000-1200rpm、20-30min。
有益效果:本发明提供的铝浆在制备完成单晶硅太阳能电池后,其光电转换效率可以达到18.37%以上,电池片的翘曲度可以控制在1.19mm以下。
具体实施方式
实施例1
一种单晶硅太阳能电池用铝浆的制备方法,包括以下步骤:
步骤1,以重量份计,取B2O3 1份、SiO2 10份、PbO 3份、Bi2O3 40份、Ge2O3 2份、Al2O31份、ZnO 2份、碳酸镁0.5份、碳酸钠0.4份混合,加热至400℃后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;
步骤2,以重量份计,将纤维素4份、松油醇30份、丙烯酸树脂2份、分散剂1份、乙酸乙酯5份、聚甲基丙烯酸铵2份、硬脂酸1份、二甲基硅油0.8份、卵磷脂0.4份混合,升温至50℃,保温2h,放冷,得到混合液;
步骤3,将步骤2所得混合液加热至40℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。
其中,步骤1中加热速率为10℃/min,熔炼温度为1200℃。
所述玻璃粉的粒径在100目;所述纤维素为乙基纤维素;所述分散剂为三聚磷酸钠;步骤3中分散条件为1000rpm、30min。
实施例2
一种单晶硅太阳能电池用铝浆的制备方法,包括以下步骤:
步骤1,以重量份计,取B2O3 2份、SiO2 13份、PbO 4份、Bi2O3 42份、Ge2O3 3份、Al2O32份、ZnO 4份、碳酸镁0.9份、碳酸钠0.7份混合,加热至400℃后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;
步骤2,以重量份计,将纤维素5份、松油醇32份、丙烯酸树脂3份、分散剂2份、乙酸乙酯6份、聚甲基丙烯酸铵3份、硬脂酸2份、二甲基硅油1.1份、卵磷脂0.5份混合,升温至55℃,保温2h,放冷,得到混合液;
步骤3,将步骤2所得混合液加热至45℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。
其中,步骤1中加热速率为15℃/min,熔炼温度为1300℃。
所述玻璃粉的粒径在200目;所述纤维素为乙基纤维素;所述分散剂为三聚磷酸钠;步骤3中分散条件为1200rpm、20min。
实施例3
一种单晶硅太阳能电池用铝浆的制备方法,包括以下步骤:
步骤1,以重量份计,取B2O3 3份、SiO2 16份、PbO 6份、Bi2O3 47份、Ge2O3 3份、Al2O33份、ZnO 6份、碳酸镁1.2份、碳酸钠0.9份混合,加热至400℃后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;
步骤2,以重量份计,将纤维素5份、松油醇38份、丙烯酸树脂5份、分散剂3份、乙酸乙酯8份、聚甲基丙烯酸铵5份、硬脂酸3份、二甲基硅油1.4份、卵磷脂0.9份混合,升温至60℃,保温2h,放冷,得到混合液;
步骤3,将步骤2所得混合液加热至40℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。
其中,步骤1中加热速率为10℃/min,熔炼温度为1200℃。
所述玻璃粉的粒径在100目;所述纤维素为乙基纤维素;所述分散剂为三聚磷酸钠;步骤3中分散条件为1000rpm、30min。
实施例4
一种单晶硅太阳能电池用铝浆的制备方法,包括以下步骤:
步骤1,以重量份计,取B2O3 5份、SiO2 20份、PbO 7份、Bi2O3 50份、Ge2O3 4份、Al2O34份、ZnO 7份、碳酸镁1.5份、碳酸钠1.2份混合,加热至400℃后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;
步骤2,以重量份计,将纤维素6份、松油醇40份、丙烯酸树脂6份、分散剂4份、乙酸乙酯10份、聚甲基丙烯酸铵6份、硬脂酸4份、二甲基硅油1.5份、卵磷脂1.2份混合,升温至70℃,保温1h,放冷,得到混合液;
步骤3,将步骤2所得混合液加热至50℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。
其中,步骤1中加热速率为20℃/min,熔炼温度为1300℃。
所述玻璃粉的粒径在100-200目;所述纤维素为乙基纤维素;所述分散剂为三聚磷酸钠;步骤3中分散条件为1200rpm、20min。
性能试验
将实施例1至4所得铝浆印刷电池片并测试相关性能:200×200mm(厚度180±20μm)单晶硅片,用250目丝网印刷,干燥后印刷贺利氏9235正银,经烘干、隧道烧结炉共烧结(峰值温度780℃,620℃以上5.8s)后测试相关性能。结果如下:
实施例1 | 实施例2 | 实施例3 | 实施例4 | |
开路电压mv | 654 | 673 | 662 | 646 |
短路电流A | 6.15 | 6.47 | 6.32 | 6.36 |
光电转换效率% | 18.37 | 19.26 | 19.87 | 19.17 |
电池片的翘曲度mm | 1.27 | 1.32 | 1.19 | 1.22 |
从表中可以看出,本发明提供的铝浆在制备完成单晶硅太阳能电池后,其光电转换效率可以达到18.37%以上,电池片的翘曲度可以控制在1.19mm以下。
Claims (7)
1.一种单晶硅太阳能电池用铝浆的制备方法,其特征在于:包括以下步骤:
步骤1,以重量份计,取B2O3 1-5份、SiO2 10-20份、PbO 3-7份、Bi2O3 40-50份、Ge2O3 2-4份、Al2O3 1-4份、ZnO 2-7份、碳酸镁0.5-1.5份、碳酸钠0.4-1.2份混合,加热至400℃后进行熔炼,融熔物经水淬、球磨、干燥,得到玻璃粉;
步骤2,以重量份计,将纤维素4-6份、松油醇30-40份、丙烯酸树脂2-6份、分散剂1-4份、乙酸乙酯5-10份、聚甲基丙烯酸铵2-6份、硬脂酸1-4份、二甲基硅油0.8-1.5份、卵磷脂0.4-1.2份混合,升温至50-70℃,保温1-2h,放冷,得到混合液;
步骤3,将步骤2所得混合液加热至40-50℃,在搅拌条件下加入玻璃粉,分散,在三辊研磨机上进行研磨,即可。
2.根据权利要求1所述的单晶硅太阳能电池用铝浆的制备方法,其特征在于:步骤1中加热速率为10-20℃/min。
3.根据权利要求1所述的单晶硅太阳能电池用铝浆的制备方法,其特征在于:步骤1中熔炼温度为1200-1300℃。
4.根据权利要求1所述的单晶硅太阳能电池用铝浆的制备方法,其特征在于:所述玻璃粉的粒径在100-200目。
5.根据权利要求1所述的单晶硅太阳能电池用铝浆的制备方法,其特征在于:所述纤维素为乙基纤维素。
6.根据权利要求1所述的单晶硅太阳能电池用铝浆的制备方法,其特征在于:所述分散剂为三聚磷酸钠。
7.根据权利要求1所述的单晶硅太阳能电池用铝浆的制备方法,其特征在于:步骤3中分散条件为1000-1200rpm、20-30min。
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