CN1688049A - 锂离子电池用高密度镍钴酸锂正极材料及其制备方法 - Google Patents
锂离子电池用高密度镍钴酸锂正极材料及其制备方法 Download PDFInfo
- Publication number
- CN1688049A CN1688049A CNA2005100117529A CN200510011752A CN1688049A CN 1688049 A CN1688049 A CN 1688049A CN A2005100117529 A CNA2005100117529 A CN A2005100117529A CN 200510011752 A CN200510011752 A CN 200510011752A CN 1688049 A CN1688049 A CN 1688049A
- Authority
- CN
- China
- Prior art keywords
- density
- lithium ion
- lioh
- lithium
- ion battery
- 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.)
- Pending
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 11
- 239000010405 anode material Substances 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 7
- 229910013478 LiNixCoyMzO2 Inorganic materials 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 26
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 9
- DJZIBVUGARDLOC-UHFFFAOYSA-N [Ni]=O.[Co]=O.[Li] Chemical compound [Ni]=O.[Co]=O.[Li] DJZIBVUGARDLOC-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 2
- 238000010334 sieve classification Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 abstract description 3
- 229910017709 Ni Co Inorganic materials 0.000 abstract 1
- 229910018661 Ni(OH) Inorganic materials 0.000 abstract 1
- 229910003266 NiCo Inorganic materials 0.000 abstract 1
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
本发明涉及一种锂离子电池用的高密度镍钴酸锂正极材料及其制备方法,属于电池材料制备技术领域。该材料以LiOH、Ni(OH)和Co3O4为原料,其制备方法是按摩尔比为LiOH∶1~1.05,Ni(OH):0.5~0.8,Co3O4:0.2~0.5,进行配料;球磨混料,烘干,过筛;在750℃~850℃氧气氛中煅烧,保温,即得高密度镍钴酸锂粉料。利用本发明的配方和制备方法制备的粉料粒度均匀,平均粒度为10μm,平均晶粒度为1μm,容量高170~180mAh/g,振实密度高2.4~2.8g/cm3,500次衰减为2~5%。本制备方法工艺简单、低成本,适用于工业化生产。
Description
技术领域
本发明涉及一种锂离子电池用高密度镍钴酸锂正极材料及其制备方法,属于电池材料制备技术领域。
背景技术
LiCoO2是目前商业化锂离子电池的正极材料,由于它的价格昂贵、不利于环保,比容量低,正逐步被新型的绿色环保正极材料镍钴酸锂所取代。由于镍钴酸锂材料组成和制备工艺的不同,对镍钴酸锂的比容量,循环衰减影响很大,限制了镍钴酸锂的广泛使用。目前,镍钴酸锂的制备方法有两种,液相法、固相反应法。固相反应法,由于方法简单,原料及生产成本低,是镍钴酸锂正极材料的主要制备方法。但是,固相反应法制备的镍钴酸锂,需要在氧气气氛中才能制备出性能良好的材料。
发明内容
本发明的目的是为了克服现有技术的不足,提供一种价格低廉、利于环保的性能优良的锂离子电池用高密度镍钴酸锂正极材料。
本发明提出的锂离子电池用高密度镍钴酸锂正极材料,该材料以Ni(OH)2、LiOH和Co3O4为原料。其特征在于,所述材料的配方为:LiOH:1~1.05,Ni(OH):0.5~0.8,Co3O4:0.2~0.5,其比例为实际摩尔数。
本发明提出的一种制备锂离子电池用镍钴酸锂材料的方法,其特征在于,该方法依次按如下步骤进行:
(1)分别称量按摩尔比为LiOH:1~1.05,Ni(OH):0.5~0.8,Co3O4:0.2~0.5进行配料;
(2)将所配制的粉料进行球磨混料;
(3)将混合好的料烘干,过筛;
(4)将过筛的料在氧气气氛中500~600℃预烧;
(5)粉碎、加入粘结剂,压成密实块体;
(6)将压得的密实块体在氧气氛下,750℃~850℃煅烧,并保温10小时~20小时;
(7)将上述粗化处理的料进行粉碎、过筛分级即得锂离子电池用高密度镍钴酸锂正极材料。
利用本发明的配方和制备方法制备的粉料粒度均匀,平均团聚体粒度为10μm,平均晶粒度为1μm,容量高,分布范围170~180mAh/g,振实密度高2.4~2.8g/cm3,500次衰减为2~5%。本制备方法工艺简单、低成本,适用于工业化生产。
具体实施方式
下面结合实施例对本发明做进一步说明:
实施例1
(1)称取LiOH·H2O 35%wt,Ni(OH)51%wt,Co3O4 14%wt,粒度分别为2μm、10μm、2μm;
(2)将所配制的粉料按比例为料∶酒精∶球=1∶1.5∶2(重量),进行球磨混料12小时;
(3)将混合好的料在50℃烘干12小时,过60目筛;
(4)将过筛的料在氧气气氛中550℃预烧
(5)粉碎、加入粘结剂,在2000kg/cm2压力下,压成密实块体
(6)将压的的块体在1.5大气压氧压下,800℃煅烧,并保温15小时;
(7)粉碎过筛,分级得到10μm、振实密度为2.6g/cm3的高密度镍钴酸锂粉料。
实施例2
(1)称取LiOH·H2O 36%wt,Ni(OH)40%wt,Co3O4 24%wt,粒度分别为2μm、10μm、2μm;
(2)将所配制的粉料按比例为料∶酒精∶球=1∶1.5∶2(重量),进行球磨混料12小时;
(3)将混合好的料在50℃烘干12小时,过60目筛;
(4)将过筛的料在氧气气氛中600℃预烧
(5)粉碎、加入粘结剂,在2000kg/cm2压力下,压成密实块体
(6)将压的的块体在1.5大气压氧压下,750℃煅烧,并保温20小时;
(7)粉碎过筛,分级得到10μm、振实密度为2.4g/cm3的高密度镍钴酸锂粉料。
实施例3
(1)称取LiOH·H2O 35%wt,Ni(OH)45%wt,Co3O4 20%wt,粒度分别为2μm、10μm、2μm;
(2)将所配制的粉料按比例为料∶酒精∶球=1∶1.5∶2(重量),进行球磨混料12小时;
(3)将混合好的料在50℃烘干12小时,过60目筛;
(4)将过筛的料在氧气气氛中500℃预烧
(5)粉碎、加入粘结剂,在2000kg/cm2压力下,压成密实块体
(6)将压的的块体在1.5大气压氧压下,850℃煅烧,并保温10小时;
(7)粉碎过筛,分级得到10μm、振实密度为2.8g/cm3的高密度镍钴酸锂粉料。
Claims (2)
1、锂离子电池用高密度镍钴酸锂正极材料,该材料以Ni(OH)2、LiOH和Co3O4为原料。其特征在于,所述材料的配方为:LiOH:1~1.05,Ni(OH):0.5~0.8,Co3O4:0.2~0.5,其比例为实际摩尔数。
2、一种制备如权利要求1所述锂离子电池用镍钴酸锂材料的方法,其特征在于,该方法依次按如下步骤进行:
(1)分别称量按摩尔比为LiOH:1~1.05,Ni(OH):0.5~0.8,Co3O4:0.2~0.5进行配料;
(2)将所配制的粉料进行球磨混料;
(3)将混合好的料烘干,过筛;
(4)将过筛的料在氧气气氛中500~600℃预烧;
(5)粉碎、加入粘结剂,压成密实块体;
(6)将压得的密实块体在氧气氛下,750℃~850℃煅烧,并保温10小时~20小时;
(7)将上述粗化处理的料进行粉碎、过筛分级即得锂离子电池用高密度镍钴酸锂正极材料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2005100117529A CN1688049A (zh) | 2005-05-20 | 2005-05-20 | 锂离子电池用高密度镍钴酸锂正极材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2005100117529A CN1688049A (zh) | 2005-05-20 | 2005-05-20 | 锂离子电池用高密度镍钴酸锂正极材料及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1688049A true CN1688049A (zh) | 2005-10-26 |
Family
ID=35306089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2005100117529A Pending CN1688049A (zh) | 2005-05-20 | 2005-05-20 | 锂离子电池用高密度镍钴酸锂正极材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1688049A (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1330602C (zh) * | 2006-02-28 | 2007-08-08 | 济宁市无界科技有限公司 | 锂离子电池掺杂正极材料及其制备方法 |
EP1837936A2 (en) * | 2006-03-23 | 2007-09-26 | Sumitomo Metal Mining Co., Ltd. | Positive electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery using same |
CN1843930B (zh) * | 2006-04-30 | 2010-06-23 | 中国科学院成都有机化学有限公司 | 一种锂离子二次电池正极材料镍钴酸锂LiNi1-xCoxO2的制备方法 |
CN101284681B (zh) * | 2007-04-11 | 2010-11-17 | 北京当升材料科技有限公司 | 超大粒径和高密度钴酸锂及其制备方法 |
CN102412389A (zh) * | 2011-08-04 | 2012-04-11 | 横店集团东磁股份有限公司 | 一种锂离子电池用掺镁镍钴酸锂正极材料的制备方法 |
CN104466113A (zh) * | 2014-12-28 | 2015-03-25 | 刘娜 | 一种具有核壳结构的镍掺杂钴酸锂复合正极材料的制备方法 |
CN106025266A (zh) * | 2015-03-26 | 2016-10-12 | 深圳市华思旭科技有限公司 | 一种高倍率锂离子电池正极材料及其制备方法 |
-
2005
- 2005-05-20 CN CNA2005100117529A patent/CN1688049A/zh active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1330602C (zh) * | 2006-02-28 | 2007-08-08 | 济宁市无界科技有限公司 | 锂离子电池掺杂正极材料及其制备方法 |
EP1837936A2 (en) * | 2006-03-23 | 2007-09-26 | Sumitomo Metal Mining Co., Ltd. | Positive electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery using same |
EP1837936A3 (en) * | 2006-03-23 | 2009-10-21 | Sumitomo Metal Mining Co., Ltd. | Positive electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery using same |
CN1843930B (zh) * | 2006-04-30 | 2010-06-23 | 中国科学院成都有机化学有限公司 | 一种锂离子二次电池正极材料镍钴酸锂LiNi1-xCoxO2的制备方法 |
CN101284681B (zh) * | 2007-04-11 | 2010-11-17 | 北京当升材料科技有限公司 | 超大粒径和高密度钴酸锂及其制备方法 |
CN102412389A (zh) * | 2011-08-04 | 2012-04-11 | 横店集团东磁股份有限公司 | 一种锂离子电池用掺镁镍钴酸锂正极材料的制备方法 |
CN102412389B (zh) * | 2011-08-04 | 2014-04-30 | 横店集团东磁股份有限公司 | 一种锂离子电池用掺镁镍钴酸锂正极材料的制备方法 |
CN104466113A (zh) * | 2014-12-28 | 2015-03-25 | 刘娜 | 一种具有核壳结构的镍掺杂钴酸锂复合正极材料的制备方法 |
CN104466113B (zh) * | 2014-12-28 | 2017-02-22 | 广州鸿森材料有限公司 | 一种具有核壳结构的镍掺杂钴酸锂复合正极材料的制备方法 |
CN106025266A (zh) * | 2015-03-26 | 2016-10-12 | 深圳市华思旭科技有限公司 | 一种高倍率锂离子电池正极材料及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1688049A (zh) | 锂离子电池用高密度镍钴酸锂正极材料及其制备方法 | |
CN108923042B (zh) | 钠离子电池层状锰基正极材料及其制备方法 | |
CN102931381B (zh) | 一种各向同性的石墨二次颗粒及其制备方法和用途 | |
CN106159271B (zh) | 一种锂离子电池用原位交联聚合物粘结剂及其制备的电极 | |
US6794036B2 (en) | Active material of positive electrode for non-aqueous electrolyte secondary battery and method for preparing the same and non-aqueous electrolyte secondary battery using the same | |
KR101363962B1 (ko) | 일종의 복합 리튬인산철재료의 제조방법 및 그 제조된 복합리튬인산철재료 | |
CN1830764A (zh) | 稀土掺杂包碳型纳米正极材料磷酸铁锂及其制备方法 | |
WO2005069410A1 (ja) | リチウム二次電池用負極及びリチウム二次電池 | |
CN102263245A (zh) | 球形多孔锂离子电池复合负极材料的制备方法 | |
CN110817968A (zh) | 一种四氧化三锰混合二氧化锰生产高性价比锰酸锂的方法 | |
EP4145566A1 (en) | Positive electrode material and preparation method and use therefor, lithium-ion battery positive electrode pole piece, and lithium-ion battery | |
CN1884056A (zh) | 一种碳材料/纳米硅复合材料及其制备方法和应用 | |
CN1207803C (zh) | 锂离子电池用的球形锰酸锂正极材料的制备方法 | |
CN114204011B (zh) | 一种镍钴锰酸锂三元正极材料的制备方法 | |
CN110350162B (zh) | 一种倍率型镍钴铝正极材料及其制备方法和应用 | |
CN117855427A (zh) | 单晶正极材料及其制备方法、锂离子电池 | |
CN115072694A (zh) | 磷酸铁锂正极材料及其制备方法以及锂离子电池 | |
CN1595680A (zh) | 锂离子蓄电池正极材料的制备方法 | |
CN117049516A (zh) | 新型碳包覆材料制备及包裹磷酸锰铁锂正极材料的方法 | |
CN115894004B (zh) | 一种锶铁氧体磁粉的制备方法及包含其的注射磁粉 | |
CN107200322A (zh) | 一种利用特种石墨尾料制备锂电池用负极材料的方法 | |
CN116654897A (zh) | 一种钠离子电池硬碳负极材料的制备方法和应用 | |
CN115557491A (zh) | 一种二次颗粒结构石墨负极材料的制备方法 | |
CN1649192A (zh) | 一种改性天然石墨电池负极材料及制备方法 | |
CN1322614C (zh) | 锂离子电池用正极材料大晶粒LiCoO2及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |