CN1787258A - 含锰钴镍的锂复合氧化物及其制备方法以及在锂离子二次电池中的应用 - Google Patents
含锰钴镍的锂复合氧化物及其制备方法以及在锂离子二次电池中的应用 Download PDFInfo
- Publication number
- CN1787258A CN1787258A CNA2004100814519A CN200410081451A CN1787258A CN 1787258 A CN1787258 A CN 1787258A CN A2004100814519 A CNA2004100814519 A CN A2004100814519A CN 200410081451 A CN200410081451 A CN 200410081451A CN 1787258 A CN1787258 A CN 1787258A
- Authority
- CN
- China
- Prior art keywords
- lithium
- nickel
- salt
- composite xoide
- manganese
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 28
- 229910052744 lithium Inorganic materials 0.000 title claims description 28
- 238000002360 preparation method Methods 0.000 title claims description 21
- 229910001416 lithium ion Inorganic materials 0.000 title description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title description 6
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 29
- 238000005406 washing Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 15
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052718 tin Inorganic materials 0.000 claims abstract description 10
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract 3
- 239000011572 manganese Substances 0.000 claims description 38
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 239000007774 positive electrode material Substances 0.000 claims description 23
- 239000007864 aqueous solution Substances 0.000 claims description 21
- 239000011651 chromium Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000010941 cobalt Substances 0.000 claims description 14
- 229910017052 cobalt Inorganic materials 0.000 claims description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 13
- 239000011777 magnesium Substances 0.000 claims description 13
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 9
- 238000000975 co-precipitation Methods 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 150000001868 cobalt Chemical class 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 12
- 238000012545 processing Methods 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 239000010405 anode material Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 28
- 230000002441 reversible effect Effects 0.000 description 24
- 238000001228 spectrum Methods 0.000 description 24
- 239000000463 material Substances 0.000 description 21
- 238000012360 testing method Methods 0.000 description 21
- 238000001556 precipitation Methods 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 17
- 239000012535 impurity Substances 0.000 description 17
- 230000014759 maintenance of location Effects 0.000 description 17
- 238000010792 warming Methods 0.000 description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 239000010936 titanium Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- 238000010998 test method Methods 0.000 description 9
- 229910013716 LiNi Inorganic materials 0.000 description 8
- 229910014405 LiNi1/2Co1/2O2 Inorganic materials 0.000 description 8
- 230000004087 circulation Effects 0.000 description 8
- 239000000084 colloidal system Substances 0.000 description 8
- 238000011161 development Methods 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- GLXDVVHUTZTUQK-UHFFFAOYSA-M lithium;hydroxide;hydrate Chemical compound [Li+].O.[OH-] GLXDVVHUTZTUQK-UHFFFAOYSA-M 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 4
- 239000006183 anode active material Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 2
- 229910018467 Al—Mg Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910018657 Mn—Al Inorganic materials 0.000 description 2
- 229910018645 Mn—Sn Inorganic materials 0.000 description 2
- 229910006025 NiCoMn Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- IDSMHEZTLOUMLM-UHFFFAOYSA-N [Li].[O].[Co] Chemical compound [Li].[O].[Co] IDSMHEZTLOUMLM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910004186 Li(NiCoMn)1/3O2 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910018060 Ni-Co-Mn Inorganic materials 0.000 description 1
- 229910018209 Ni—Co—Mn Inorganic materials 0.000 description 1
- 229910019192 Sn—Cr Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- WSHADMOVDWUXEY-UHFFFAOYSA-N manganese oxocobalt Chemical compound [Co]=O.[Mn] WSHADMOVDWUXEY-UHFFFAOYSA-N 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012266 salt solution Substances 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)
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100814519A CN100377390C (zh) | 2004-12-07 | 2004-12-07 | 含锰钴镍的锂复合氧化物的制备方法 |
HK06110751A HK1088718A1 (en) | 2004-12-07 | 2006-09-27 | Manufacturing method for li-based composite oxide with mn, co, ni |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100814519A CN100377390C (zh) | 2004-12-07 | 2004-12-07 | 含锰钴镍的锂复合氧化物的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1787258A true CN1787258A (zh) | 2006-06-14 |
CN100377390C CN100377390C (zh) | 2008-03-26 |
Family
ID=36784628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100814519A Active CN100377390C (zh) | 2004-12-07 | 2004-12-07 | 含锰钴镍的锂复合氧化物的制备方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100377390C (zh) |
HK (1) | HK1088718A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010043154A1 (zh) * | 2008-10-17 | 2010-04-22 | 成都晶元新材料技术有限公司 | 一种镍钴锰多元掺杂锂离子电池正极材料及其制备方法 |
WO2010091611A1 (zh) * | 2009-02-13 | 2010-08-19 | 成都晶元新材料技术有限公司 | 一种镍钴锰多元掺杂锂离子电池正极材料及其制备方法 |
CN101853934A (zh) * | 2010-06-01 | 2010-10-06 | 清华大学 | 锂离子电池正极材料及其制备方法 |
CN102903925A (zh) * | 2012-10-09 | 2013-01-30 | 江苏科捷锂电池有限公司 | 掺杂Mg的三元正极材料的制备方法 |
CN103840151A (zh) * | 2013-12-13 | 2014-06-04 | 山东海特电子新材料有限公司 | 一种特殊单晶结构的三元正极材料及其制备方法 |
CN104300145A (zh) * | 2014-10-10 | 2015-01-21 | 东莞市长安东阳光铝业研发有限公司 | 一种高振实改性镍钴锰酸锂正极材料的制备方法 |
CN104835956A (zh) * | 2015-01-16 | 2015-08-12 | 四川大学 | 一种由镍、钴、锰、铝等其中两种或多种金属盐/溶液制备锂离子电池正极材料的方法 |
CN107634217A (zh) * | 2017-08-31 | 2018-01-26 | 福建师范大学 | 掺铬三元材料的制备方法 |
WO2021121168A1 (zh) * | 2019-12-19 | 2021-06-24 | 蜂巢能源科技有限公司 | 四元正极材料、正极、电池 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2234874C (en) * | 1997-04-15 | 2009-06-30 | Sanyo Electric Co., Ltd. | Positive electrode material for use in non-aqueous electrolyte battery, process for preparing the same, and non-aqueous electrolyte battery |
US6350543B2 (en) * | 1999-12-29 | 2002-02-26 | Kimberly-Clark Worldwide, Inc. | Manganese-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries |
JP3873717B2 (ja) * | 2001-11-09 | 2007-01-24 | ソニー株式会社 | 正極材料およびそれを用いた電池 |
CN1493522A (zh) * | 2003-09-26 | 2004-05-05 | 清华大学 | 一种锂过渡金属氧化物的制备方法 |
-
2004
- 2004-12-07 CN CNB2004100814519A patent/CN100377390C/zh active Active
-
2006
- 2006-09-27 HK HK06110751A patent/HK1088718A1/xx not_active IP Right Cessation
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101626080B (zh) * | 2008-10-17 | 2011-02-09 | 成都晶元新材料技术有限公司 | 一种镍钴锰多元掺杂锂离子电池正极材料及其制备方法 |
US8709301B2 (en) | 2008-10-17 | 2014-04-29 | Chengdu Jingyuan New Materials Technology Co., Ltd. | Ni-, Co-, and Mn- multi-element doped positive electrode material for lithium battery and its preparation method |
WO2010043154A1 (zh) * | 2008-10-17 | 2010-04-22 | 成都晶元新材料技术有限公司 | 一种镍钴锰多元掺杂锂离子电池正极材料及其制备方法 |
US8709302B2 (en) | 2009-02-13 | 2014-04-29 | Chengdu Jingyuan New Materials Technology Co., Ltd. | Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation |
WO2010091611A1 (zh) * | 2009-02-13 | 2010-08-19 | 成都晶元新材料技术有限公司 | 一种镍钴锰多元掺杂锂离子电池正极材料及其制备方法 |
US8431050B2 (en) | 2010-06-01 | 2013-04-30 | Tsinghua University | Cathode active material for lithium battery and method for making the same |
CN101853934A (zh) * | 2010-06-01 | 2010-10-06 | 清华大学 | 锂离子电池正极材料及其制备方法 |
CN102903925A (zh) * | 2012-10-09 | 2013-01-30 | 江苏科捷锂电池有限公司 | 掺杂Mg的三元正极材料的制备方法 |
CN103840151A (zh) * | 2013-12-13 | 2014-06-04 | 山东海特电子新材料有限公司 | 一种特殊单晶结构的三元正极材料及其制备方法 |
CN103840151B (zh) * | 2013-12-13 | 2016-04-13 | 山东海特电子新材料有限公司 | 一种特殊单晶结构的三元正极材料及其制备方法 |
CN104300145A (zh) * | 2014-10-10 | 2015-01-21 | 东莞市长安东阳光铝业研发有限公司 | 一种高振实改性镍钴锰酸锂正极材料的制备方法 |
CN104835956A (zh) * | 2015-01-16 | 2015-08-12 | 四川大学 | 一种由镍、钴、锰、铝等其中两种或多种金属盐/溶液制备锂离子电池正极材料的方法 |
CN107634217A (zh) * | 2017-08-31 | 2018-01-26 | 福建师范大学 | 掺铬三元材料的制备方法 |
CN107634217B (zh) * | 2017-08-31 | 2020-12-04 | 福建师范大学 | 掺铬三元材料的制备方法 |
WO2021121168A1 (zh) * | 2019-12-19 | 2021-06-24 | 蜂巢能源科技有限公司 | 四元正极材料、正极、电池 |
Also Published As
Publication number | Publication date |
---|---|
CN100377390C (zh) | 2008-03-26 |
HK1088718A1 (en) | 2006-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110474026B (zh) | 一种镍钴锰酸锂三元正极材料及其制备方法 | |
CN1698224A (zh) | 阳极活性物质及其制备方法及使用它的非水电解液二次电池 | |
CN107369815B (zh) | 一种锂离子二次电池复合正极材料及其制备方法 | |
CN1186351A (zh) | 锂电池用正极活性物质、含有该物质的锂电池及其生产方法 | |
EP2736104A1 (en) | Lithium-rich solid solution positive electrode composite material and method for preparing same, lithium ion battery positive electrode plate and lithium ion battery | |
CN101038965A (zh) | 改性尖晶石锰酸锂材料、制备方法及锂二次电池 | |
CN1701451A (zh) | 锂二次电池用正极活性物质粉末 | |
CN1416189A (zh) | 以纳米表面包覆复合材料为正极活性物质的锂二次电池 | |
CN100342568C (zh) | 含锂锰复合氧化物的正极多元活性材料的制备方法 | |
CN1129970C (zh) | 非水电解质二次电池 | |
CN105938899A (zh) | 一种快离子导体包覆改性锂离子电池正极材料的制备方法及应用 | |
CN107681147B (zh) | 一种固态电解质包覆改性锂离子电池正极材料的制备方法与应用 | |
CN1893151A (zh) | 锂复合金属氧化物的制备方法 | |
CN107946564B (zh) | 富钠锰基Na4Mn2O5/Na0.7MnO2复合材料及其制备方法和应用 | |
CN103943848A (zh) | 一种多孔棒状结构钴基锂离子电池正极材料的制备方法 | |
CN114843469B (zh) | 一种MgFe2O4改性的P2/O3型镍基层状钠离子电池正极材料及其制备方法 | |
CN105932251A (zh) | 一种金属氧化物包覆锂离子电池正极材料的制备方法及其应用 | |
WO2015019985A1 (ja) | 蓄電デバイス用負極活物質およびその製造方法 | |
CN1870330A (zh) | 含钴镍的多组分氧化物及其制备方法及其应用 | |
CN103682278B (zh) | 一种纳米化碳包覆钛酸锂负极材料的制备方法 | |
CN1252848C (zh) | 锂离子电池正极材料层状过渡金属复合氧化物及其制备方法 | |
CN100377390C (zh) | 含锰钴镍的锂复合氧化物的制备方法 | |
CN100338795C (zh) | 锂二次电池用负极及其制造方法以及使用其的锂二次电池 | |
CN100347884C (zh) | 一种空气电池或碱性镍氢电池的电池负极材料、制备方法和使用该材料的电池 | |
CN116062797A (zh) | 一种正极材料及包含该正极材料的电池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1088718 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1088718 Country of ref document: HK |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160824 Address after: Kwai Chung street Beek Industrial Park in Longgang District of Shenzhen City, Guangdong Province, No. 6 building 518000 Patentee after: SHENZHEN BAK POWER BATTERY Co.,Ltd. Address before: 518119, 6 floor, Beek Industrial Park, Kwai Chung Town, Longgang District, Guangdong, Shenzhen, 3 Patentee before: SHENZHEN BAK BATTERY Co.,Ltd. |
|
PP01 | Preservation of patent right | ||
PP01 | Preservation of patent right |
Effective date of registration: 20191022 Granted publication date: 20080326 |
|
PD01 | Discharge of preservation of patent | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20221022 Granted publication date: 20080326 |
|
PP01 | Preservation of patent right | ||
PP01 | Preservation of patent right |
Effective date of registration: 20221022 Granted publication date: 20080326 |