CN106876491B - 一种无正面栅线的p型晶体硅背接触电池结构及制作方法 - Google Patents
一种无正面栅线的p型晶体硅背接触电池结构及制作方法 Download PDFInfo
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 88
- 239000010703 silicon Substances 0.000 title claims abstract description 88
- 239000013078 crystal Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000002161 passivation Methods 0.000 claims abstract description 75
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 59
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052709 silver Inorganic materials 0.000 claims abstract description 37
- 239000004332 silver Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000010408 film Substances 0.000 claims description 173
- 239000010410 layer Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 21
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 21
- 238000007650 screen-printing Methods 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 238000000137 annealing Methods 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 14
- 238000007639 printing Methods 0.000 claims description 14
- 238000004544 sputter deposition Methods 0.000 claims description 12
- 239000012188 paraffin wax Substances 0.000 claims description 11
- 239000010409 thin film Substances 0.000 claims description 11
- 239000002019 doping agent Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 10
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- 239000007921 spray Substances 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 8
- 238000001039 wet etching Methods 0.000 claims description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000007740 vapor deposition Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 3
- 238000001312 dry etching Methods 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 238000010329 laser etching Methods 0.000 claims description 3
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl chloride Substances ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 3
- 238000001020 plasma etching Methods 0.000 claims description 3
- 238000007581 slurry coating method Methods 0.000 claims description 3
- 229910019213 POCl3 Inorganic materials 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 6
- 239000006117 anti-reflective coating Substances 0.000 claims 6
- 239000000377 silicon dioxide Substances 0.000 claims 5
- 239000004411 aluminium Substances 0.000 claims 4
- 239000011159 matrix material Substances 0.000 claims 4
- 230000003647 oxidation Effects 0.000 claims 3
- 238000007254 oxidation reaction Methods 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 150000002500 ions Chemical class 0.000 claims 2
- 238000003475 lamination Methods 0.000 claims 2
- 238000007747 plating Methods 0.000 claims 2
- 206010037660 Pyrexia Diseases 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000013021 overheating Methods 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 19
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 4
- 235000012431 wafers Nutrition 0.000 description 71
- 229910052814 silicon oxide Inorganic materials 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 8
- 239000005360 phosphosilicate glass Substances 0.000 description 8
- 238000002955 isolation Methods 0.000 description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 238000005468 ion implantation Methods 0.000 description 5
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 description 4
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 description 4
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical group ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/311—Coatings for devices having potential barriers for photovoltaic cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/121—The active layers comprising only Group IV materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
- H10F77/219—Arrangements for electrodes of back-contact photovoltaic cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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CN201710184585.0A CN106876491B (zh) | 2017-03-24 | 2017-03-24 | 一种无正面栅线的p型晶体硅背接触电池结构及制作方法 |
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CN107706246A (zh) * | 2017-08-21 | 2018-02-16 | 无锡嘉瑞光伏有限公司 | 一种背面浆料直接烧穿的背钝化太阳能电池及其制造方法 |
US10040717B1 (en) * | 2017-09-18 | 2018-08-07 | Jiangxi Jiayin Science and Technology, Ltd. | Thick-film paste with multiple discrete frits and methods for contacting crystalline silicon solar cell emitter surfaces |
CN108183147A (zh) * | 2017-12-15 | 2018-06-19 | 南京日托光伏科技股份有限公司 | 一种mwt硅太阳能电池的制备方法 |
CN108461555A (zh) * | 2018-02-05 | 2018-08-28 | 宇泰(江西)新能源有限公司 | 一种具有表面织构结构的单晶硅光伏电池 |
CN108922936A (zh) * | 2018-07-31 | 2018-11-30 | 晶澳(扬州)太阳能科技有限公司 | 一种mwt太阳能电池及其制备方法 |
CN109326673B (zh) * | 2018-08-10 | 2024-09-20 | 正泰新能科技股份有限公司 | P型晶体硅perc电池及其制备方法 |
CN109509796A (zh) * | 2018-12-26 | 2019-03-22 | 苏州腾晖光伏技术有限公司 | 一种用于p型单晶perc电池的背面钝化膜及背面镀膜工艺 |
CN109768120A (zh) * | 2018-12-29 | 2019-05-17 | 江苏日托光伏科技股份有限公司 | 一种mwt无掩膜太阳能电池的制备方法 |
CN112563347A (zh) * | 2020-12-25 | 2021-03-26 | 通威太阳能(成都)有限公司 | Perc太阳能电池选择性发射极、perc太阳能电池及其制作方法 |
CN112736146A (zh) * | 2020-12-31 | 2021-04-30 | 湖南红太阳新能源科技有限公司 | 基于点接触和复合膜层的perc电池 |
CN114975668B (zh) * | 2022-05-27 | 2023-07-21 | 横店集团东磁股份有限公司 | 一种正面浮动结叠加se的p型全背接触太阳能电池及其制造方法 |
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Address after: 710018 Shaanxi Province, Xi'an economic and Technological Development Zone is Jilu No. 8989 A block 6 layer Applicant after: Long base music Photovoltaic Technology Co., Ltd. Address before: 710199 No. 388, middle route, Xi'an, Shaanxi, Changan District Applicant before: LERRI SOLAR TECHNOLOGY CO., LTD. |
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Effective date of registration: 20190507 Address after: 239000 No. 19 Huaian Road, Chuzhou City, Anhui Province Patentee after: Chuzhou Longji Leye Photovoltaic Technology Co., Ltd. Address before: 710018 Six Floors of Block A, 898989 Shangji Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee before: Long base music Photovoltaic Technology Co., Ltd. |