CN102820471A - High-safety lithium ion battery cathode material and its preparation method - Google Patents
High-safety lithium ion battery cathode material and its preparation method Download PDFInfo
- Publication number
- CN102820471A CN102820471A CN2011104076171A CN201110407617A CN102820471A CN 102820471 A CN102820471 A CN 102820471A CN 2011104076171 A CN2011104076171 A CN 2011104076171A CN 201110407617 A CN201110407617 A CN 201110407617A CN 102820471 A CN102820471 A CN 102820471A
- Authority
- CN
- China
- Prior art keywords
- lialo
- graphite
- lithium ion
- afterwards
- colloidal sol
- 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
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 36
- 239000010406 cathode material Substances 0.000 title abstract 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 57
- 239000010439 graphite Substances 0.000 claims abstract description 57
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 45
- 239000010453 quartz Substances 0.000 claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 29
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 17
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 7
- 229910010093 LiAlO Inorganic materials 0.000 claims description 66
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 239000003708 ampul Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 30
- 239000007773 negative electrode material Substances 0.000 claims description 29
- 239000008187 granular material Substances 0.000 claims description 26
- 239000002270 dispersing agent Substances 0.000 claims description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 19
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical class Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- -1 carbon nano tube compound Chemical class 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 12
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 10
- 150000003863 ammonium salts Chemical class 0.000 claims description 10
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 10
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 235000019270 ammonium chloride Nutrition 0.000 claims description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 4
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 150000002894 organic compounds Chemical class 0.000 abstract description 3
- 229910010092 LiAlO2 Inorganic materials 0.000 abstract 5
- 239000000843 powder Substances 0.000 abstract 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract 1
- 229910001679 gibbsite Inorganic materials 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 18
- 229910052744 lithium Inorganic materials 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 210000001787 dendrite Anatomy 0.000 description 4
- 229940068984 polyvinyl alcohol Drugs 0.000 description 4
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229920000151 polyglycol Polymers 0.000 description 2
- 239000010695 polyglycol Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
Images
Classifications
-
- 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
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110407617.1A CN102820471B (en) | 2011-12-08 | 2011-12-08 | High-safety lithium ion battery cathode material and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110407617.1A CN102820471B (en) | 2011-12-08 | 2011-12-08 | High-safety lithium ion battery cathode material and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102820471A true CN102820471A (en) | 2012-12-12 |
CN102820471B CN102820471B (en) | 2014-05-21 |
Family
ID=47304429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110407617.1A Active CN102820471B (en) | 2011-12-08 | 2011-12-08 | High-safety lithium ion battery cathode material and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102820471B (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103117382A (en) * | 2013-02-25 | 2013-05-22 | 江苏乐能电池股份有限公司 | Lithium ion battery negative pole material capable of improving safety performance and preparation method thereof |
CN103199254A (en) * | 2013-04-03 | 2013-07-10 | 深圳市贝特瑞新能源材料股份有限公司 | Graphite negative material of lithium-ion battery and preparation method of negative material |
CN103311524A (en) * | 2013-06-26 | 2013-09-18 | 冯林杰 | Preparation method of carbon silicon-coated LiAlO2 composite negative electrode material |
CN104157825A (en) * | 2014-07-14 | 2014-11-19 | 浙江大学 | Lithium metaaluminate coated aluminum lithium alloy composite material and preparation method of lithium sulphur battery |
CN104157825B (en) * | 2014-07-14 | 2016-11-30 | 浙江大学 | Lithium metaaluminate cladding Al-Li Alloy Matrix Composites and the preparation method of lithium-sulfur cell thereof |
CN108134088A (en) * | 2016-12-01 | 2018-06-08 | 内蒙古欣源石墨烯科技有限公司 | A kind of rate composite cathode material of lithium ion battery and preparation method thereof |
CN108134044A (en) * | 2016-12-01 | 2018-06-08 | 内蒙古欣源石墨烯科技有限公司 | A kind of high-safety lithium ion battery cathode material and preparation method thereof |
CN108212030A (en) * | 2017-12-20 | 2018-06-29 | 广东邦普循环科技有限公司 | A kind of Aluminum sol and preparation method thereof |
CN109888221A (en) * | 2019-02-26 | 2019-06-14 | 成都爱敏特新能源技术有限公司 | A kind of high security lithium ion battery cathode composite material and preparation method thereof |
CN110648860A (en) * | 2019-10-12 | 2020-01-03 | 福建师范大学 | Preparation method of ternary material coated with polyaluminium-graphene |
CN113363446A (en) * | 2021-06-15 | 2021-09-07 | 广东凯金新能源科技股份有限公司 | LiAlO2Coated modified graphite negative electrode material, and preparation method and application thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1224537A (en) * | 1996-06-14 | 1999-07-28 | 联合米尼埃尔股份有限公司 | Electrode material for rechargeable batteries and process for prepartion thereof |
JP2003331838A (en) * | 2002-05-14 | 2003-11-21 | Hitachi Ltd | Lithium secondary battery |
US20100327223A1 (en) * | 2007-12-14 | 2010-12-30 | Phostech Lithium Inc. | Lithium Iron Phosphate Cathode Materials With Enhanced Energy Density And Power Performance |
CN101969112A (en) * | 2010-09-30 | 2011-02-09 | 湛江市聚鑫新能源有限公司 | Anode material and cathode material for lithium ion battery and modifying method thereof |
-
2011
- 2011-12-08 CN CN201110407617.1A patent/CN102820471B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1224537A (en) * | 1996-06-14 | 1999-07-28 | 联合米尼埃尔股份有限公司 | Electrode material for rechargeable batteries and process for prepartion thereof |
JP2003331838A (en) * | 2002-05-14 | 2003-11-21 | Hitachi Ltd | Lithium secondary battery |
US20100327223A1 (en) * | 2007-12-14 | 2010-12-30 | Phostech Lithium Inc. | Lithium Iron Phosphate Cathode Materials With Enhanced Energy Density And Power Performance |
CN101969112A (en) * | 2010-09-30 | 2011-02-09 | 湛江市聚鑫新能源有限公司 | Anode material and cathode material for lithium ion battery and modifying method thereof |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103117382A (en) * | 2013-02-25 | 2013-05-22 | 江苏乐能电池股份有限公司 | Lithium ion battery negative pole material capable of improving safety performance and preparation method thereof |
CN103117382B (en) * | 2013-02-25 | 2015-07-08 | 江苏乐能电池股份有限公司 | Preparation method of lithium ion battery negative pole material capable of improving safety performance |
CN103199254A (en) * | 2013-04-03 | 2013-07-10 | 深圳市贝特瑞新能源材料股份有限公司 | Graphite negative material of lithium-ion battery and preparation method of negative material |
CN103199254B (en) * | 2013-04-03 | 2016-08-10 | 深圳市贝特瑞新能源材料股份有限公司 | A kind of graphite negative material of lithium ion battery and preparation method thereof |
US10096822B2 (en) | 2013-04-03 | 2018-10-09 | Shenzhen Brt New Energy Materials Inc. | Lithium ion battery graphite negative electrode material and preparation method thereof |
CN103311524A (en) * | 2013-06-26 | 2013-09-18 | 冯林杰 | Preparation method of carbon silicon-coated LiAlO2 composite negative electrode material |
CN104157825A (en) * | 2014-07-14 | 2014-11-19 | 浙江大学 | Lithium metaaluminate coated aluminum lithium alloy composite material and preparation method of lithium sulphur battery |
CN104157825B (en) * | 2014-07-14 | 2016-11-30 | 浙江大学 | Lithium metaaluminate cladding Al-Li Alloy Matrix Composites and the preparation method of lithium-sulfur cell thereof |
CN108134044A (en) * | 2016-12-01 | 2018-06-08 | 内蒙古欣源石墨烯科技有限公司 | A kind of high-safety lithium ion battery cathode material and preparation method thereof |
CN108134088A (en) * | 2016-12-01 | 2018-06-08 | 内蒙古欣源石墨烯科技有限公司 | A kind of rate composite cathode material of lithium ion battery and preparation method thereof |
CN108134044B (en) * | 2016-12-01 | 2023-04-18 | 内蒙古欣源石墨烯科技股份有限公司 | High-safety lithium ion battery negative electrode material and preparation method thereof |
CN108212030A (en) * | 2017-12-20 | 2018-06-29 | 广东邦普循环科技有限公司 | A kind of Aluminum sol and preparation method thereof |
CN109888221A (en) * | 2019-02-26 | 2019-06-14 | 成都爱敏特新能源技术有限公司 | A kind of high security lithium ion battery cathode composite material and preparation method thereof |
CN110648860A (en) * | 2019-10-12 | 2020-01-03 | 福建师范大学 | Preparation method of ternary material coated with polyaluminium-graphene |
CN110648860B (en) * | 2019-10-12 | 2021-07-13 | 福建师范大学 | Preparation method of ternary material coated with polyaluminium-graphene |
CN113363446A (en) * | 2021-06-15 | 2021-09-07 | 广东凯金新能源科技股份有限公司 | LiAlO2Coated modified graphite negative electrode material, and preparation method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
CN102820471B (en) | 2014-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102820471B (en) | High-safety lithium ion battery cathode material and preparation method thereof | |
CN103682359B (en) | Negative material and preparation method thereof, negative pole, the battery with the negative pole | |
CN105702961B (en) | A kind of positive electrode and a kind of lithium ion battery | |
CN102324511B (en) | Preparation method for lithium ion battery composite cathode material | |
CN107331853B (en) | Graphene composite multilayer porous spherical lithium manganate electrode material and lithium ion battery prepared from same | |
CN103904321B (en) | The high-temperature solid phase preparation method of lithium ion battery negative material LiMn2O4 | |
CN105470455A (en) | Modified lithium ion battery positive electrode material and preparation method therefor | |
EP2835855B1 (en) | Lithium-air battery and preparation method therefor | |
CN205609666U (en) | Safe lithium ion power batteries positive plate | |
CN103050694B (en) | A kind of positive electrode active materials and preparation method thereof, battery | |
CN103855389A (en) | Ferric (III) fluoride / carbon composite material and its preparation method and application | |
CN108987731B (en) | All-solid-state lithium battery cathode material, preparation method and all-solid-state lithium battery | |
CN102683658B (en) | Graphite/LiAlO2/graphene composite material for lithium ion battery and preparation method of material | |
US20220077456A1 (en) | Core-shell nickel ferrite and preparation method thereof, nickel ferrite@c material and preparation method and application thereof | |
CN108807920B (en) | LASO-coated octahedral-structure lithium nickel manganese oxide composite material and preparation method thereof | |
CN105514432A (en) | Lithium iron phosphate composite cathode material and preparation method thereof | |
CN110104677A (en) | Composite titanic acid lithium material and the preparation method and application thereof | |
CN102201574B (en) | Oxygen-vacancy-containing lithium ferrous silicate and carbon composite anode material and preparation method | |
CN109786681B (en) | Lithium ion battery anode material with conductive composite coating layer and preparation method thereof | |
CN113889594A (en) | Preparation method of boron-doped lithium lanthanum zirconate-coated graphite composite material | |
CN113659143A (en) | Preparation method of negative electrode material of sodium ion battery, negative electrode material and sodium ion battery | |
CN110854373B (en) | Composite negative electrode material and preparation method thereof | |
CN103500823A (en) | Lithium titanate material, preparing method thereof and application in lithium ion battery | |
CN100453454C (en) | Preparation method of lithium ferrous phosphate positive electrode material | |
CN108281620B (en) | Preparation method of negative electrode material titanium dioxide of sodium-ion battery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160214 Address after: 213299 Jintan Road, Jintan District, Jiangsu, No. 88, No. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: 471003 Henan high tech Zone in Luoyang City, Spring City Road No. 16 Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
|
CP03 | Change of name, title or address |
Address after: 213200 Jiangdong Avenue 1, Jintan District, Jiangsu, Changzhou Patentee after: AVIC lithium Technology Co.,Ltd. Address before: 213299 No. 88, Jintan Avenue, Jintan District, Jiangsu, Changzhou Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC lithium Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC lithium Technology Co.,Ltd. Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC lithium Technology Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220421 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology (Jiangsu) Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Zhongchuangxin Aviation Technology Co.,Ltd. |
|
TR01 | Transfer of patent right |