CN108258124A - 一种异质结光伏电池及其制备方法 - Google Patents
一种异质结光伏电池及其制备方法 Download PDFInfo
- Publication number
- CN108258124A CN108258124A CN201810067073.0A CN201810067073A CN108258124A CN 108258124 A CN108258124 A CN 108258124A CN 201810067073 A CN201810067073 A CN 201810067073A CN 108258124 A CN108258124 A CN 108258124A
- Authority
- CN
- China
- Prior art keywords
- silicon chip
- type silicon
- preparation
- minutes
- mixed solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 41
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 123
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 122
- 239000010703 silicon Substances 0.000 claims abstract description 122
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 69
- 239000011259 mixed solution Substances 0.000 claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 43
- 239000004411 aluminium Substances 0.000 claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 43
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 37
- 239000011733 molybdenum Substances 0.000 claims abstract description 37
- 239000002105 nanoparticle Substances 0.000 claims abstract description 34
- 238000004528 spin coating Methods 0.000 claims abstract description 31
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002070 nanowire Substances 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 50
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 48
- 239000000243 solution Substances 0.000 claims description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 30
- XDXWNHPWWKGTKO-UHFFFAOYSA-N 207739-72-8 Chemical compound C1=CC(OC)=CC=C1N(C=1C=C2C3(C4=CC(=CC=C4C2=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC(=CC=C1C1=CC=C(C=C13)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 XDXWNHPWWKGTKO-UHFFFAOYSA-N 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000008367 deionised water Substances 0.000 claims description 23
- 229910021641 deionized water Inorganic materials 0.000 claims description 23
- 235000019441 ethanol Nutrition 0.000 claims description 15
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 15
- 229920000144 PEDOT:PSS Polymers 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 10
- 238000002207 thermal evaporation Methods 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- MMTVHLPXGYWNOJ-UHFFFAOYSA-N 2h-pyran-2-carboxamide Chemical group NC(=O)C1OC=CC=C1 MMTVHLPXGYWNOJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000137 annealing Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000011712 cell development Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/87—Light-trapping means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/30—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
- H10K30/35—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains comprising inorganic nanostructures, e.g. CdSe nanoparticles
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/50—Photovoltaic [PV] devices
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810067073.0A CN108258124B (zh) | 2018-01-24 | 2018-01-24 | 一种异质结光伏电池及其制备方法 |
PCT/CN2018/074082 WO2019144335A1 (zh) | 2018-01-24 | 2018-01-25 | 一种异质结光伏电池及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810067073.0A CN108258124B (zh) | 2018-01-24 | 2018-01-24 | 一种异质结光伏电池及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108258124A true CN108258124A (zh) | 2018-07-06 |
CN108258124B CN108258124B (zh) | 2020-09-08 |
Family
ID=62741852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810067073.0A Active CN108258124B (zh) | 2018-01-24 | 2018-01-24 | 一种异质结光伏电池及其制备方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN108258124B (zh) |
WO (1) | WO2019144335A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109103333A (zh) * | 2018-09-30 | 2018-12-28 | 苏州钱正科技咨询有限公司 | 一种具有致密有机薄膜的光伏电池及其制备方法 |
CN109346606A (zh) * | 2018-09-30 | 2019-02-15 | 苏州钱正科技咨询有限公司 | 一种新型杂化光伏电池及其制备方法 |
WO2019144335A1 (zh) * | 2018-01-24 | 2019-08-01 | 南通壹选工业设计有限公司 | 一种异质结光伏电池及其制备方法 |
CN112152563A (zh) * | 2020-10-14 | 2020-12-29 | 绍兴利方惠能新能源科技有限公司 | 一种具有自清洁功能的水上光伏太阳能发电装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014144028A1 (en) * | 2013-03-15 | 2014-09-18 | The Regents Of The University Of California | Organic tandem photovoltaic devices and methods |
WO2015096028A1 (zh) * | 2013-12-24 | 2015-07-02 | 香港城市大学 | 一种太阳能电池及其制备方法 |
CN106531850A (zh) * | 2016-12-29 | 2017-03-22 | 浙江合特光电有限公司 | 异质结电池的制备方法 |
CN106960895A (zh) * | 2017-05-15 | 2017-07-18 | 江苏康德蛋业有限公司 | 一种用于畜牧养殖设备的透光盖板及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108258124B (zh) * | 2018-01-24 | 2020-09-08 | 绍兴利方惠能新能源科技有限公司 | 一种异质结光伏电池及其制备方法 |
-
2018
- 2018-01-24 CN CN201810067073.0A patent/CN108258124B/zh active Active
- 2018-01-25 WO PCT/CN2018/074082 patent/WO2019144335A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014144028A1 (en) * | 2013-03-15 | 2014-09-18 | The Regents Of The University Of California | Organic tandem photovoltaic devices and methods |
WO2015096028A1 (zh) * | 2013-12-24 | 2015-07-02 | 香港城市大学 | 一种太阳能电池及其制备方法 |
CN106531850A (zh) * | 2016-12-29 | 2017-03-22 | 浙江合特光电有限公司 | 异质结电池的制备方法 |
CN106960895A (zh) * | 2017-05-15 | 2017-07-18 | 江苏康德蛋业有限公司 | 一种用于畜牧养殖设备的透光盖板及其制备方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019144335A1 (zh) * | 2018-01-24 | 2019-08-01 | 南通壹选工业设计有限公司 | 一种异质结光伏电池及其制备方法 |
CN109103333A (zh) * | 2018-09-30 | 2018-12-28 | 苏州钱正科技咨询有限公司 | 一种具有致密有机薄膜的光伏电池及其制备方法 |
CN109346606A (zh) * | 2018-09-30 | 2019-02-15 | 苏州钱正科技咨询有限公司 | 一种新型杂化光伏电池及其制备方法 |
CN109346606B (zh) * | 2018-09-30 | 2022-11-15 | 新优(宁波)智能科技有限公司 | 一种杂化光伏电池及其制备方法 |
CN112152563A (zh) * | 2020-10-14 | 2020-12-29 | 绍兴利方惠能新能源科技有限公司 | 一种具有自清洁功能的水上光伏太阳能发电装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2019144335A1 (zh) | 2019-08-01 |
CN108258124B (zh) | 2020-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108258124A (zh) | 一种异质结光伏电池及其制备方法 | |
CN105070792B (zh) | 一种基于溶液法的多晶太阳电池的制备方法 | |
CN105470392B (zh) | 一种有机无机杂化太阳能电池及其制备方法 | |
CN102403369A (zh) | 一种用于太阳能电池的钝化介质膜 | |
CN102254963A (zh) | 一种石墨烯/硅柱阵列肖特基结光伏电池及其制造方法 | |
Li et al. | Ultrathin flexible planar crystalline-silicon/polymer hybrid solar cell with 5.68% efficiency by effective passivation | |
CN105981180B (zh) | 光电转换元件和具备该光电转换元件的太阳能电池模块 | |
CN104332522B (zh) | 一种石墨烯双结太阳能电池及其制备方法 | |
CN106169537A (zh) | 一种太阳能电池的制备方法 | |
CN107895760A (zh) | 一种硅纳米线阵列异质结太阳能电池及其制备方法 | |
CN106876595B (zh) | 一种n型硅异质结太阳能电池及其制备方法 | |
Li et al. | Performance improvement of PEDOT: PSS/N-Si heterojunction solar cells by alkaline etching | |
Aurang et al. | Nanowire decorated, ultra-thin, single crystalline silicon for photovoltaic devices | |
CN108023021B (zh) | 一种硅—Spiro-OMeTAD异质结光伏电池及其制备方法 | |
CN105489709A (zh) | Perc太阳能电池及其制备方法 | |
CN111081805B (zh) | 一种基于范德瓦耳斯力结合的GaAs/InGaN二结太阳电池结构及其制备方法 | |
CN107046066A (zh) | 具有绒面结构单晶硅片及其制备方法和硅太阳能电池 | |
CN108336181B (zh) | 一种太阳能电池及其制备方法 | |
CN209472000U (zh) | 一种平面硅基有机/无机杂化太阳电池结构 | |
CN104078567B (zh) | 混合太阳能电池及其制备方法、空穴输运层形成方法 | |
CN108183150A (zh) | 一种异质结光伏电池及其制备方法 | |
CN108011045A (zh) | 一种硅微米柱阵列有机无机杂化太阳能电池及其制备方法 | |
Zhang et al. | The Intermediate Connection of Subcells in Si‐based Tandem Solar Cells | |
CN110444616B (zh) | 一种超薄晶硅太阳电池及其制备方法 | |
CN108172686B (zh) | 一种硅光伏电池及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200724 Address after: No.58, Dashan natural village, Fengyuan village, Fengqiao town, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Lifang Huineng New Energy Technology Co.,Ltd. Address before: No. 8 East 226600 Avenue Hyosung Haian County town of Jiangsu city of Nantong Province Applicant before: NANTONG YIXUAN INDUSTRIAL DESIGN Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220112 Address after: 311800 Sanzhou village, Lingbei Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhuji dongzhibao Knitting Co.,Ltd. Address before: 311800 No. 58, Dashan natural village, Fengyuan village, Fengqiao town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Shaoxing Lifang Huineng New Energy Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Heterojunction photovoltaic cell and preparation method thereof Effective date of registration: 20220120 Granted publication date: 20200908 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Huangshan sub branch Pledgor: Zhuji dongzhibao Knitting Co.,Ltd. Registration number: Y2022980000740 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230103 Granted publication date: 20200908 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Huangshan sub branch Pledgor: Zhuji dongzhibao Knitting Co.,Ltd. Registration number: Y2022980000740 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Heterojunction photovoltaic cell and its preparation method Effective date of registration: 20230105 Granted publication date: 20200908 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhuji dongzhibao Knitting Co.,Ltd. Registration number: Y2023980030253 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |