CN114824302A - 一种集流体及制备方法 - Google Patents
一种集流体及制备方法 Download PDFInfo
- Publication number
- CN114824302A CN114824302A CN202210479402.9A CN202210479402A CN114824302A CN 114824302 A CN114824302 A CN 114824302A CN 202210479402 A CN202210479402 A CN 202210479402A CN 114824302 A CN114824302 A CN 114824302A
- Authority
- CN
- China
- Prior art keywords
- current collector
- conductive layer
- gas
- layer
- conducting layer
- 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 18
- 239000002002 slurry Substances 0.000 claims description 34
- 239000012298 atmosphere Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 239000002270 dispersing agent Substances 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 17
- 239000011230 binding agent Substances 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 239000004014 plasticizer Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000010345 tape casting Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 23
- 238000009792 diffusion process Methods 0.000 abstract description 11
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 239000002737 fuel gas Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 137
- 239000000446 fuel Substances 0.000 description 16
- 238000000498 ball milling Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000004925 Acrylic resin Substances 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 6
- 229920002799 BoPET Polymers 0.000 description 6
- 239000005041 Mylar™ Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- 239000004695 Polyether sulfone Substances 0.000 description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 5
- 229920006393 polyether sulfone Polymers 0.000 description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 5
- 239000008096 xylene Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- -1 oxygen ions Chemical class 0.000 description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000462 isostatic pressing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910002555 FeNi Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002141 La0.6Sr0.4CoO3-δ Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8636—Inert electrodes with catalytic activity, e.g. for fuel cells with a gradient in another property than porosity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Abstract
Description
标号 | 名称 | 标号 | 名称 |
1 | 第一导电层 | 101 | 第一孔洞 |
2 | 第二导电层 | 201 | 第二孔洞 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210479402.9A CN114824302B (zh) | 2022-04-26 | 2022-04-26 | 一种集流体及制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210479402.9A CN114824302B (zh) | 2022-04-26 | 2022-04-26 | 一种集流体及制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114824302A true CN114824302A (zh) | 2022-07-29 |
CN114824302B CN114824302B (zh) | 2024-07-05 |
Family
ID=82512292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210479402.9A Active CN114824302B (zh) | 2022-04-26 | 2022-04-26 | 一种集流体及制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114824302B (zh) |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102257661A (zh) * | 2009-09-10 | 2011-11-23 | 松下电器产业株式会社 | 气体扩散层及其制造方法以及燃料电池 |
CN102265438A (zh) * | 2008-11-12 | 2011-11-30 | 法国原子能及替代能源委员会 | 多孔金属或金属合金制成的基底,其制备方法,以及具有包含这种基底的金属载体的hte或者sofc电池 |
US20120164552A1 (en) * | 2010-12-20 | 2012-06-28 | Ngk Insulators, Ltd. | Solid oxide fuel cell |
CN102918690A (zh) * | 2010-06-29 | 2013-02-06 | 伟途股份有限公司 | 气体扩散电极及其生产方法、包含其的组件以及生产包含其的膜电极组件的方法 |
CN103187581A (zh) * | 2011-12-29 | 2013-07-03 | Toto株式会社 | 固体氧化物型燃料电池单电池 |
CN104064786A (zh) * | 2014-07-17 | 2014-09-24 | 中国科学院上海硅酸盐研究所 | 一种固体氧化物燃料电池阴极集流体的制备方法 |
CN104332635A (zh) * | 2014-11-17 | 2015-02-04 | 中国科学技术大学 | 一种固体氧化物燃料电池及其制备方法 |
CN105648255A (zh) * | 2016-01-29 | 2016-06-08 | 中国科学技术大学 | 一种多孔金属及其制备方法 |
JP2016157693A (ja) * | 2015-02-25 | 2016-09-01 | 日本特殊陶業株式会社 | 固体酸化物形燃料電池単セル及び固体酸化物形燃料電池スタック |
JP2017117743A (ja) * | 2015-12-25 | 2017-06-29 | 日本特殊陶業株式会社 | 固体酸化物形燃料電池スタック |
JP2018137204A (ja) * | 2017-02-22 | 2018-08-30 | 日本特殊陶業株式会社 | 電気化学反応単位および電気化学反応セルスタック |
CN109904497A (zh) * | 2019-01-09 | 2019-06-18 | 华中科技大学 | 一种抗积碳金属支撑固体氧化物燃料电池及其制备方法 |
EP3557676A1 (en) * | 2018-04-18 | 2019-10-23 | Brno University Of Technology | Alkali and/or alkaline earth ion - monoclinic sulfur allotrope battery with self-supporting electrodes |
JP2021170447A (ja) * | 2020-04-14 | 2021-10-28 | 日産自動車株式会社 | 燃料電池セル積層構造 |
CN113948732A (zh) * | 2021-09-03 | 2022-01-18 | 嘉庚创新实验室 | 一种梯度结构和孔隙阳极及制备方法和电池 |
CN114388813A (zh) * | 2022-01-14 | 2022-04-22 | 中国科学技术大学先进技术研究院 | 集流体 |
-
2022
- 2022-04-26 CN CN202210479402.9A patent/CN114824302B/zh active Active
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102265438A (zh) * | 2008-11-12 | 2011-11-30 | 法国原子能及替代能源委员会 | 多孔金属或金属合金制成的基底,其制备方法,以及具有包含这种基底的金属载体的hte或者sofc电池 |
CN102257661A (zh) * | 2009-09-10 | 2011-11-23 | 松下电器产业株式会社 | 气体扩散层及其制造方法以及燃料电池 |
CN102918690A (zh) * | 2010-06-29 | 2013-02-06 | 伟途股份有限公司 | 气体扩散电极及其生产方法、包含其的组件以及生产包含其的膜电极组件的方法 |
US20120164552A1 (en) * | 2010-12-20 | 2012-06-28 | Ngk Insulators, Ltd. | Solid oxide fuel cell |
CN103187581A (zh) * | 2011-12-29 | 2013-07-03 | Toto株式会社 | 固体氧化物型燃料电池单电池 |
CN104064786A (zh) * | 2014-07-17 | 2014-09-24 | 中国科学院上海硅酸盐研究所 | 一种固体氧化物燃料电池阴极集流体的制备方法 |
CN104332635A (zh) * | 2014-11-17 | 2015-02-04 | 中国科学技术大学 | 一种固体氧化物燃料电池及其制备方法 |
JP2016157693A (ja) * | 2015-02-25 | 2016-09-01 | 日本特殊陶業株式会社 | 固体酸化物形燃料電池単セル及び固体酸化物形燃料電池スタック |
JP2017117743A (ja) * | 2015-12-25 | 2017-06-29 | 日本特殊陶業株式会社 | 固体酸化物形燃料電池スタック |
CN105648255A (zh) * | 2016-01-29 | 2016-06-08 | 中国科学技术大学 | 一种多孔金属及其制备方法 |
JP2018137204A (ja) * | 2017-02-22 | 2018-08-30 | 日本特殊陶業株式会社 | 電気化学反応単位および電気化学反応セルスタック |
EP3557676A1 (en) * | 2018-04-18 | 2019-10-23 | Brno University Of Technology | Alkali and/or alkaline earth ion - monoclinic sulfur allotrope battery with self-supporting electrodes |
CN109904497A (zh) * | 2019-01-09 | 2019-06-18 | 华中科技大学 | 一种抗积碳金属支撑固体氧化物燃料电池及其制备方法 |
JP2021170447A (ja) * | 2020-04-14 | 2021-10-28 | 日産自動車株式会社 | 燃料電池セル積層構造 |
CN113948732A (zh) * | 2021-09-03 | 2022-01-18 | 嘉庚创新实验室 | 一种梯度结构和孔隙阳极及制备方法和电池 |
CN114388813A (zh) * | 2022-01-14 | 2022-04-22 | 中国科学技术大学先进技术研究院 | 集流体 |
Non-Patent Citations (2)
Title |
---|
陈孔发等: "阳极功能层对燃料电池性能的影响", 电源技术, vol. 33, no. 01, pages 21 - 23 * |
黄兴龙等: "固体氧化物燃料电池集流层厚度优化", 电源技术, vol. 40, no. 06, pages 1212 - 1214 * |
Also Published As
Publication number | Publication date |
---|---|
CN114824302B (zh) | 2024-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101405477B1 (ko) | 금속지지체형 고체산화물 연료전지용 셀의 제조방법 및 금속지지체형 고체산화물 연료전지용 셀 | |
JP5219298B2 (ja) | 薄い固体酸化物電池 | |
KR101045168B1 (ko) | 완전하게 밀봉되고 지지된 세라믹 막, 및 이를 포함하는전기화학 전지 및 전기화학 전지 적층체 | |
EP3021393A1 (en) | Solid oxide fuel cell, manufacturing method therefor, fuel-cell stack, and solid oxide fuel-cell device | |
JP5289190B2 (ja) | 燃料電池セルスタック装置、燃料電池モジュールおよび燃料電池装置 | |
JPH0950812A (ja) | 固体電解質型燃料電池の電極基板及びその製造方法 | |
JP5247051B2 (ja) | 燃料電池セルおよび燃料電池セルスタック、ならびに燃料電池 | |
CN111146445B (zh) | 燃料电池、燃料电池堆、以及它们的制造方法 | |
JP6275561B2 (ja) | 接合体、接合体の製造方法、固体酸化物形燃料電池、及び水電解装置 | |
CN101795751A (zh) | 稳健混合导电薄膜结构 | |
JP2012181928A (ja) | 固体酸化物形燃料電池セルおよび燃料電池モジュール | |
JP6128524B2 (ja) | 固体酸化物形燃料電池及びその製造方法 | |
JP5294649B2 (ja) | セルスタックおよび燃料電池モジュール | |
JP7245036B2 (ja) | 燃料電池スタックおよびその製造方法 | |
JP4815815B2 (ja) | 単室型固体酸化物形燃料電池 | |
JP5108988B1 (ja) | 固体酸化物形燃料電池 | |
CN114824302B (zh) | 一种集流体及制备方法 | |
JP7330689B2 (ja) | 燃料電池および燃料電池スタック | |
JP6317710B2 (ja) | 固体酸化物形電気化学セル、固体酸化物形電気化学セルの製造方法、固体酸化物形燃料電池、及び高温水蒸気電気分解装置 | |
JP4544874B2 (ja) | 燃料電池セル及び燃料電池 | |
JP4913257B1 (ja) | 固体酸化物形燃料電池 | |
KR101883401B1 (ko) | 금속지지체형 고체산화물 연료전지의 제조방법 | |
CN115133060A (zh) | 一种集流体及制备方法 | |
JP2013149349A (ja) | 積層型固体酸化物形燃料電池 | |
KR101489339B1 (ko) | 다공질의 ysz 플레이트의 제조방법 |
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 | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20231113 Address after: Room 713, 7th Floor, Zhiyuan Building, No. 5089 Wangjiang West Road, High tech Zone, Hefei City, Anhui Province, 230000 Applicant after: Hefei Hecheng Technology Co.,Ltd. Address before: 230031 No. 5089, Wangjiang West Road, high tech Zone, Hefei, Anhui Applicant before: INSTITUTE OF ADVANCED TECHNOLOGY University OF SCIENCE AND TECHNOLOGY OF CHINA |
|
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Country or region after: China Address after: Room 713, 7th Floor, Zhiyuan Building, No. 5089 Wangjiang West Road, High tech Zone, Hefei City, Anhui Province, 230000 Applicant after: Electric Stack Technology (Hefei) Co.,Ltd. Address before: Room 713, 7th Floor, Zhiyuan Building, No. 5089 Wangjiang West Road, High tech Zone, Hefei City, Anhui Province, 230000 Applicant before: Hefei Hecheng Technology Co.,Ltd. Country or region before: China |
|
GR01 | Patent grant | ||
GR01 | Patent grant |