CN103280576A - Positive electrode material used for lithium ion secondary battery,, and manufacturing method thereof - Google Patents
Positive electrode material used for lithium ion secondary battery,, and manufacturing method thereof Download PDFInfo
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- CN103280576A CN103280576A CN2013102229839A CN201310222983A CN103280576A CN 103280576 A CN103280576 A CN 103280576A CN 2013102229839 A CN2013102229839 A CN 2013102229839A CN 201310222983 A CN201310222983 A CN 201310222983A CN 103280576 A CN103280576 A CN 103280576A
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- atom
- positive electrode
- rechargeable battery
- weight content
- lithium rechargeable
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000007774 positive electrode material Substances 0.000 title abstract description 15
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract 3
- 229910001416 lithium ion Inorganic materials 0.000 title abstract 3
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 55
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 48
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000011572 manganese Substances 0.000 claims abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 26
- 239000011777 magnesium Substances 0.000 claims description 23
- 239000010936 titanium Substances 0.000 claims description 23
- 238000001354 calcination Methods 0.000 claims description 22
- 125000004429 atom Chemical group 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- 229910052719 titanium Inorganic materials 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 17
- 229910052749 magnesium Inorganic materials 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 150000002641 lithium Chemical group 0.000 claims description 7
- 150000002642 lithium compounds Chemical class 0.000 claims description 7
- 229910000836 magnesium aluminium oxide Inorganic materials 0.000 claims description 7
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 7
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 7
- 239000001095 magnesium carbonate Substances 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 abstract description 2
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000000243 solution Substances 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
Abstract
The invention discloses a positive electrode material used for a lithium ion secondary battery, and a manufacturing method thereof. The positive electrode material used for the lithium ion secondary battery is shown as a general formula of LixNi1-y-zCoyMnzMgaTibAlcO2, wherein 0.95 =< x <= 1.30; 0 =< y <= 0.6; 0 =< z <= 0.8; y + z < 1; 0 =< a <= 0.1; 0 =< b <= 0.1; and 0 =< c <= 0.1. A positive electrode active material used for a lithium nickel cobalt and manganese composite oxide lithium secondary battery capable of giving extremely excellent cycle characteristics to the lithium secondary battery, a method for manufacturing the positive electrode active material by an industrial benefit method and the lithium secondary battery applying the positive electrode active material particularly the lithium secondary battery with the excellent cycle characteristics are provided by the invention.
Description
Technical field
The present invention is specifically related to positive electrode and the manufacture method thereof that lithium rechargeable battery is used.
Background technology
In recent years, along with popularizing and miniaturization of portable machines such as mobile phone, notebook computer, nonaqueous electrolytic solution secondary batteries such as lithium rechargeable battery progressively are used as its power supply.And, from tackling nearest environmental problem, its traction-type cell as electric automobile etc. is also caused concern gradually.
As positive active material for lithium secondary battery, usually, extensively adopt LiCoO
2(cobalt acid lithium) is as the material that can constitute 4V level secondary cell.Use LiCoO
2During as positive active material, discharge capacity is about 160mA/g, is practical as LiCo0
2The cobalt of raw material be scarce resource, therefore and skewness expends cost, raw material supplying instability.
Summary of the invention
Goal of the invention: the lithium-contained composite oxide and the manufacture method thereof that provide a kind of lithium electronics anode of secondary battery to use are provided in order to remedy the deficiencies in the prior art.
The technical solution used in the present invention: the positive electrode that lithium rechargeable battery is used, the positive electrode that described lithium rechargeable battery is used is with general formula Li
xNi
1-y-zCo
yMn
zMg
aTi
bAl
cO
2Expression, 0.95≤x≤1.30,0≤y≤0.6,0≤z≤0.8, wherein, y+z＜1,0≤a≤0.1,0≤b≤0.1,0≤c≤0.1.
As optimization: the weight content of described Mg atom is 0.001-5%, and the weight content of Ti atom is 0.001-5%, and the weight content of Al atom is 0.001-5%.
As preferably: 1.00≤x≤1.05, reason are that the initial discharge capacity of lithium secondary battery has the tendency that uprises; Viewpoint 0.1≤y≤0.3 from the fail safe of lithium secondary battery; 0.1≤z≤0.3, reason are that the initial discharge capacity of lithium secondary battery has the tendency that uprises.
The weight content of Mg atom is 0.05-2%, the weight content of Ti atom is 0.05-2%, its reason is, if Mg, the Ti atom content is with Mg, Ti atom meter is lower than 0.01 weight %, then in the lithium secondary battery that has used this positive active material, the tendency that can not get sufficient cycle characteristics is arranged, on the other hand, if Mg, the Ti atom content is with Mg, Ti atom meter surpasses 10 weight %, then in the lithium secondary battery that has used this positive active material, the tendency that can not get sufficient initial discharge capacity is arranged.
The weight content of Al atom is 0.2-2%, its reason is, if the Al atom content is lower than 0.01 weight % in the Al atom, then in the lithium secondary battery that has used this positive active material, the tendency that can not get sufficient cycle characteristics is arranged, on the other hand, if the Al atom content surpasses 5 weight % in the Al atom, then in the lithium secondary battery that has used this positive active material, the tendency that can not get sufficient initial discharge capacity is arranged.
As optimization: the manufacture method of the positive electrode that described lithium rechargeable battery is used, with lithium compound, comprise nickle atom, the compound of cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials with lithium atom with respect to nickle atom, cobalt atom, manganese atom, titanium atom, the atomic ratio of magnesium atom and aluminium atom (Li/{Ni+Co+Mn+Ti+Mg+Al}) is that the mode more than 0.98 is quantitatively mixed, calcining generates required positive electrode then, calcining heat control is between 900-1000 ℃, calcining was calcined 1-30 hour in atmosphere or in the oxygen atmosphere, suitably cooled off after the calcining and pulverizing as required.
As optimization: the described compound that comprises nickle atom, manganese atom and cobalt atom is cohesion shape complex hydroxide.
As optimization: the described compound that comprises nickle atom, cobalt atom and manganese atom, being that 0.2-1.0mol, manganese atom are that the ratio of 0.2-3.0mol presents with respect to 1mol nickle atom cobalt atom.
As optimization: in the positive electrode that described lithium rechargeable battery is used the weight content of remaining LiOH below 0.15%, remaining Li
2CO
3Weight content below 0.4%.
As preferably: from becoming the particularly viewpoint of the excellent battery of cycle characteristics, lithium compound, the compound that comprises nickle atom, cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials are that mode between the 1.01-1.10 is quantitatively mixed with lithium atom with respect to the atomic ratio (Li/{Ni+Co+Mn+Ti+Mg+Al}) of nickle atom, cobalt atom, manganese atom, titanium atom, magnesium atom and aluminium atom; Calcining heat control is between 900-950 ℃; From the gelation that suppresses coating, the viewpoint that suppresses cell expansion, in the positive electrode that lithium rechargeable battery is used the weight content of remaining LiOH below 0.05%, remaining Li
2CO
3Weight content below 0.3%.
Beneficial effect: the lithium secondary battery of the method that the present invention can provide the positive active material for lithium secondary battery that used the lithium nickel cobalt manganese system complex oxide that can give the excellent especially cycle characteristics of lithium secondary battery, make this positive active material by industrial advantageous method and the particularly cycle characteristics excellence of having used this positive active material.
Embodiment
The invention will be further described below in conjunction with specific embodiment:
Embodiment 1:
The positive electrode that the positive electrode that lithium rechargeable battery is used, lithium rechargeable battery are used is with general formula Li
xNi
1-y-zCo
yMn
zMg
aTi
bAl
cO
2Expression, x is that 1.00, y is that 0.1, z is that 0.1, a is that 0, b is that 0, c is 0.The weight content of Mg atom is that the weight content of 0.05%, Ti atom is that the weight content of 0.05%, Al atom is 0.2%.
The manufacture method of the positive electrode that lithium rechargeable battery is used, with lithium compound, comprise nickle atom, the compound of cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials with lithium atom with respect to nickle atom, cobalt atom, manganese atom, titanium atom, the atomic ratio of magnesium atom and aluminium atom (Li/{Ni+Co+Mn+Ti+Mg+Al}) is that 1.01 mode is quantitatively mixed, calcining generates required positive electrode then, calcining heat control is at 900 ℃, calcining was calcined 1 hour in atmosphere or in the oxygen atmosphere, suitably cooled off after the calcining and pulverizing as required.The compound that comprises nickle atom, manganese atom and cobalt atom is cohesion shape complex hydroxide.The compound that comprises nickle atom, cobalt atom and manganese atom is being that 0.2mol, manganese atom are that the ratio of 0.2mol presents with respect to 1mol nickle atom cobalt atom.The weight content of remaining LiOH is below 0.05% in the positive electrode that lithium rechargeable battery is used, remaining Li
2CO
3Weight content below 0.3%.
Embodiment 2:
The positive electrode that the positive electrode that lithium rechargeable battery is used, lithium rechargeable battery are used is with general formula Li
xNi
1-y-zCo
yMn
zMg
aTi
bAl
cO
2Expression, x is that 1.05, y is that 0.3, z is that 0.3, a is that 0.1, b is that 0.1, c is 0.1.The weight content of Mg atom is that the weight content of 2%, Ti atom is that the weight content of 2%, Al atom is 2%.
The manufacture method of the positive electrode that lithium rechargeable battery is used, with lithium compound, comprise nickle atom, the compound of cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials with lithium atom with respect to nickle atom, cobalt atom, manganese atom, titanium atom, the atomic ratio of magnesium atom and aluminium atom (Li/{Ni+Co+Mn+Ti+Mg+Al}) is that 1.10 mode is quantitatively mixed, calcining generates required positive electrode then, calcining heat control is at 950 ℃, calcining was calcined 30 hours in atmosphere or in the oxygen atmosphere, suitably cooled off after the calcining and pulverizing as required.The compound that comprises nickle atom, manganese atom and cobalt atom is cohesion shape complex hydroxide.The compound that comprises nickle atom, cobalt atom and manganese atom is being that 1.0mol, manganese atom are that the ratio of 3.0mol presents with respect to 1mol nickle atom cobalt atom.The weight content of remaining LiOH is below 0.05% in the positive electrode that lithium rechargeable battery is used, remaining Li
2CO
3Weight content below 0.3%.
Embodiment 3:
The positive electrode that the positive electrode that lithium rechargeable battery is used, lithium rechargeable battery are used is with general formula Li
xNi
1-y-zCo
yMn
zMg
aTi
bAl
cO
2Expression, x is that 1.02, y is that 0.2, z is that 0.2, a is that 0.05, b is that 0.03, c is 0.04.The weight content of Mg atom is that the weight content of 1.05%, Ti atom is that the weight content of 1.10%, Al atom is 1.2%.
The manufacture method of the positive electrode that lithium rechargeable battery is used, with lithium compound, comprise nickle atom, the compound of cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials with lithium atom with respect to nickle atom, cobalt atom, manganese atom, titanium atom, the atomic ratio of magnesium atom and aluminium atom (Li/{Ni+Co+Mn+Ti+Mg+Al}) is that 1.05 mode is quantitatively mixed, calcining generates required positive electrode then, calcining heat control is at 930 ℃, calcining was calcined 15 hours in atmosphere or in the oxygen atmosphere, suitably cooled off after the calcining and pulverizing as required.The compound that comprises nickle atom, manganese atom and cobalt atom is cohesion shape complex hydroxide.The compound that comprises nickle atom, cobalt atom and manganese atom is being that 0.8mol, manganese atom are that the ratio of 1.8mol presents with respect to 1mol nickle atom cobalt atom.The weight content of remaining LiOH is below 0.05% in the positive electrode that lithium rechargeable battery is used, remaining Li
2CO
3Weight content below 0.3%.
Claims (8)
1. the positive electrode used of lithium rechargeable battery, it is characterized in that: the positive electrode that described lithium rechargeable battery is used is with general formula Li
xNi
1-y-zCo
yMn
zMg
aTi
bAl
cO
2Expression, 0.95≤x≤1.30,0≤y≤0.6,0≤z≤0.8, wherein, y+z＜1,0≤a≤0.1,0≤b≤0.1,0≤c≤0.1.
2. the positive electrode used of lithium rechargeable battery according to claim 1, it is characterized in that: the weight content of described Mg atom is 0.001-5%, and the weight content of Ti atom is 0.001-5%, and the weight content of Al atom is 0.001-5%.
3. the positive electrode of using according to each described lithium rechargeable battery among the claim 1-2 is characterized in that: as preferably, and 1.00≤x≤1.05,0.1≤y≤0.3,0.1≤z≤0.3; The weight content of Mg atom is 0.05-2%, and the weight content of Ti atom is 0.05-2%, and the weight content of Al atom is 0.2-2%.
4. the manufacture method of the positive electrode of using according to each described lithium rechargeable battery among the claim 1-3, it is characterized in that: with lithium compound, comprise nickle atom, the compound of cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials with lithium atom with respect to nickle atom, cobalt atom, manganese atom, titanium atom, the atomic ratio of magnesium atom and aluminium atom (Li/{Ni+Co+Mn+Ti+Mg+Al}) is that the mode more than 0.98 is quantitatively mixed, calcining generates required positive electrode then, calcining heat control is between 900-1000 ℃, calcining was calcined 1-30 hour in atmosphere or in the oxygen atmosphere, suitably cooled off after the calcining and pulverizing as required.
5. the manufacture method of the positive electrode used of lithium rechargeable battery according to claim 4, it is characterized in that: the described compound that comprises nickle atom, manganese atom and cobalt atom is cohesion shape complex hydroxide.
6. the manufacture method of the positive electrode used of lithium rechargeable battery according to claim 4, it is characterized in that: the described compound that comprises nickle atom, cobalt atom and manganese atom, being that 0.2-1.0mol, manganese atom are that the ratio of 0.2-3.0mol presents with respect to 1mol nickle atom cobalt atom.
7. the manufacture method of the positive electrode used of lithium rechargeable battery according to claim 4 is characterized in that: in the positive electrode that described lithium rechargeable battery is used the weight content of remaining LiOH below 0.15%, remaining Li
2CO
3Weight content below 0.4%.
8. the manufacture method of the positive electrode of using according to each described lithium rechargeable battery among the claim 4-7, it is characterized in that: as preferably, lithium compound, the compound that comprises nickle atom, cobalt atom and manganese atom, titanium oxide, magnesium carbonate and aluminium oxide, these three kinds of materials are that mode between the 1.01-1.10 is quantitatively mixed with lithium atom with respect to the atomic ratio (Li/{Ni+Co+Mn+Ti+Mg+Al}) of nickle atom, cobalt atom, manganese atom, titanium atom, magnesium atom and aluminium atom; Calcining heat control is between 900-950 ℃; The weight content of remaining LiOH is below 0.05% in the positive electrode that lithium rechargeable battery is used, remaining Li
2CO
3Weight content below 0.3%.
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|---|---|---|---|
| CN201310222983.9A CN103280576B (en) | 2013-06-06 | 2013-06-06 | The positive electrode of lithium rechargeable battery and manufacture method thereof |
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|---|---|---|---|
| CN201310222983.9A CN103280576B (en) | 2013-06-06 | 2013-06-06 | The positive electrode of lithium rechargeable battery and manufacture method thereof |
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|---|---|
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| CN103280576B CN103280576B (en) | 2016-04-27 |
Family
ID=49063054
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500827A (en) * | 2013-10-11 | 2014-01-08 | 宁德新能源科技有限公司 | Lithium ion battery and multi-element positive material thereof as well as preparation method of multi-element positive material |
| CN105280880A (en) * | 2014-07-17 | 2016-01-27 | 日立麦克赛尔株式会社 | Positive Electrode For Non-Aqueous Electrolyte Secondary Battery, Non-Aqueous Electrolyte Secondary Battery And System Thereof |
| US20180183045A1 (en) * | 2016-12-28 | 2018-06-28 | Sichuan FuHua New Energy High-Tech Co., LTD. | High-voltage ternary positive electrode material for lithium-ion battery and preparation method thereof |
| US11764355B2 (en) * | 2020-01-22 | 2023-09-19 | Uchicago Argonne, Llc | Cathode active materials for secondary batteries |
| KR102665408B1 (en) * | 2016-04-15 | 2024-05-09 | 삼성에스디아이 주식회사 | Positive active material for rechargeable lithium battery and rechargeable lithium battery including same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509784A (en) * | 2011-10-17 | 2012-06-20 | 北大先行科技产业有限公司 | Preparation method of lithium ion battery ternary cathode material |
-
2013
- 2013-06-06 CN CN201310222983.9A patent/CN103280576B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509784A (en) * | 2011-10-17 | 2012-06-20 | 北大先行科技产业有限公司 | Preparation method of lithium ion battery ternary cathode material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500827A (en) * | 2013-10-11 | 2014-01-08 | 宁德新能源科技有限公司 | Lithium ion battery and multi-element positive material thereof as well as preparation method of multi-element positive material |
| CN103500827B (en) * | 2013-10-11 | 2017-05-24 | 宁德新能源科技有限公司 | Lithium ion battery and multi-element positive material thereof as well as preparation method of multi-element positive material |
| CN105280880A (en) * | 2014-07-17 | 2016-01-27 | 日立麦克赛尔株式会社 | Positive Electrode For Non-Aqueous Electrolyte Secondary Battery, Non-Aqueous Electrolyte Secondary Battery And System Thereof |
| KR102665408B1 (en) * | 2016-04-15 | 2024-05-09 | 삼성에스디아이 주식회사 | Positive active material for rechargeable lithium battery and rechargeable lithium battery including same |
| US20180183045A1 (en) * | 2016-12-28 | 2018-06-28 | Sichuan FuHua New Energy High-Tech Co., LTD. | High-voltage ternary positive electrode material for lithium-ion battery and preparation method thereof |
| US10446830B2 (en) * | 2016-12-28 | 2019-10-15 | Sichuan FuHua New Energy High-Tech Co., LTD. | High-voltage ternary positive electrode material for lithium-ion battery and preparation method thereof |
| US11764355B2 (en) * | 2020-01-22 | 2023-09-19 | Uchicago Argonne, Llc | Cathode active materials for secondary batteries |
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| CN103280576B (en) | 2016-04-27 |
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