JP5120719B2 - 非水系リチウム二次電池用正極活物質およびこの活物質を用いた正極、並びに非水系リチウム二次電池 - Google Patents
非水系リチウム二次電池用正極活物質およびこの活物質を用いた正極、並びに非水系リチウム二次電池 Download PDFInfo
- Publication number
- JP5120719B2 JP5120719B2 JP2008245751A JP2008245751A JP5120719B2 JP 5120719 B2 JP5120719 B2 JP 5120719B2 JP 2008245751 A JP2008245751 A JP 2008245751A JP 2008245751 A JP2008245751 A JP 2008245751A JP 5120719 B2 JP5120719 B2 JP 5120719B2
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- active material
- lithium secondary
- secondary battery
- particle size
- 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.)
- Expired - Fee Related
Links
- 239000007774 positive electrode material Substances 0.000 title claims description 48
- 229910052744 lithium Inorganic materials 0.000 title claims description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 33
- 239000011149 active material Substances 0.000 title description 2
- 239000002245 particle Substances 0.000 claims description 94
- 239000012798 spherical particle Substances 0.000 claims description 49
- 239000002131 composite material Substances 0.000 claims description 29
- 238000001694 spray drying Methods 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 21
- 238000010304 firing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229910007966 Li-Co Inorganic materials 0.000 claims description 10
- 229910008088 Li-Mn Inorganic materials 0.000 claims description 10
- 229910008295 Li—Co Inorganic materials 0.000 claims description 10
- 229910006327 Li—Mn Inorganic materials 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000002482 conductive additive Substances 0.000 claims description 6
- 229910052723 transition metal Inorganic materials 0.000 claims description 6
- 150000003624 transition metals Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011255 nonaqueous electrolyte Substances 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000006182 cathode active material Substances 0.000 claims 2
- 239000002002 slurry Substances 0.000 description 30
- 238000001035 drying Methods 0.000 description 17
- 239000007921 spray Substances 0.000 description 16
- 238000009826 distribution Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 8
- 238000011049 filling Methods 0.000 description 8
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 8
- 229910052808 lithium carbonate Inorganic materials 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 8
- 229910052596 spinel Inorganic materials 0.000 description 8
- 239000011029 spinel Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000011163 secondary particle Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229920002334 Spandex Polymers 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 150000002642 lithium compounds Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- -1 nickel metal hydride Chemical class 0.000 description 3
- 239000004759 spandex Substances 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 150000003623 transition metal compounds Chemical class 0.000 description 3
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008245751A JP5120719B2 (ja) | 2008-09-25 | 2008-09-25 | 非水系リチウム二次電池用正極活物質およびこの活物質を用いた正極、並びに非水系リチウム二次電池 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008245751A JP5120719B2 (ja) | 2008-09-25 | 2008-09-25 | 非水系リチウム二次電池用正極活物質およびこの活物質を用いた正極、並びに非水系リチウム二次電池 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001073798A Division JP4868271B2 (ja) | 2001-03-15 | 2001-03-15 | 非水系リチウム二次電池用正極活物質の製造方法およびこの活物質を用いた正極、並びに非水系リチウム二次電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009021260A JP2009021260A (ja) | 2009-01-29 |
| JP2009021260A5 JP2009021260A5 (enExample) | 2011-07-07 |
| JP5120719B2 true JP5120719B2 (ja) | 2013-01-16 |
Family
ID=40360687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008245751A Expired - Fee Related JP5120719B2 (ja) | 2008-09-25 | 2008-09-25 | 非水系リチウム二次電池用正極活物質およびこの活物質を用いた正極、並びに非水系リチウム二次電池 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5120719B2 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010257680A (ja) * | 2009-04-23 | 2010-11-11 | Agc Seimi Chemical Co Ltd | リチウムイオン二次電池正極活物質用のリチウム遷移金属複合酸化物の製造方法 |
| JP2014063732A (ja) * | 2012-08-30 | 2014-04-10 | Jgc Catalysts & Chemicals Ltd | 全固体型リチウムイオン電池用正極、その正極を得るために用いる混合体、それらの製造方法、および全固体型リチウムイオン電池 |
| KR20250058425A (ko) * | 2023-10-23 | 2025-04-30 | 주식회사 엘지에너지솔루션 | 건식 전극 분체 제조 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4435117C1 (de) * | 1994-09-30 | 1996-05-15 | Zsw | Ternäre Lithium-Mischoxide, Verfahren zu deren Herstellung sowie deren Verwendung |
| WO1998029914A1 (en) * | 1996-12-25 | 1998-07-09 | Mitsubishi Denki Kabushiki Kaisha | Anode active material, method for manufacturing the same, and lithium ion secondary cell using the same |
| JP3107300B2 (ja) * | 1998-10-23 | 2000-11-06 | 株式会社日立製作所 | リチウム二次電池 |
| JP3721044B2 (ja) * | 1999-03-30 | 2005-11-30 | 株式会社東芝 | 二次電池 |
| JP2001052691A (ja) * | 1999-08-09 | 2001-02-23 | Toshiba Corp | 非水電解質二次電池 |
| JP4032624B2 (ja) * | 2000-09-26 | 2008-01-16 | 三菱化学株式会社 | リチウム遷移金属複合酸化物の製造方法 |
-
2008
- 2008-09-25 JP JP2008245751A patent/JP5120719B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009021260A (ja) | 2009-01-29 |
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