KR101670327B1 - 리튬 이온 배터리용 제어된 비가역 용량 손실을 갖는 복합체 캐소드 물질 - Google Patents
리튬 이온 배터리용 제어된 비가역 용량 손실을 갖는 복합체 캐소드 물질 Download PDFInfo
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 50
- 230000002427 irreversible effect Effects 0.000 title claims abstract description 7
- 239000002131 composite material Substances 0.000 title abstract description 36
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title description 7
- 239000010406 cathode material Substances 0.000 title description 4
- 229910016113 LiMn1.5Ti0.5O4 Inorganic materials 0.000 claims description 51
- 229910001267 Li[Li0.2Mn0.54Ni0.13Co0.13]O2 Inorganic materials 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 19
- 229910052596 spinel Inorganic materials 0.000 claims description 13
- 239000011029 spinel Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 4
- 229910015645 LiMn Inorganic materials 0.000 abstract description 14
- 229910015118 LiMO Inorganic materials 0.000 abstract description 11
- 229910016118 LiMn1.5Ni0.5O4 Inorganic materials 0.000 abstract description 10
- 229910052759 nickel Inorganic materials 0.000 abstract description 8
- 229910052748 manganese Inorganic materials 0.000 abstract description 7
- XOJVVFBFDXDTEG-UHFFFAOYSA-N Norphytane Natural products CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 18
- 229910052744 lithium Inorganic materials 0.000 description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
- 239000003792 electrolyte Substances 0.000 description 14
- 239000011572 manganese Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 12
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
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- 239000006230 acetylene black Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
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- 230000001351 cycling effect Effects 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
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- 238000005004 MAS NMR spectroscopy Methods 0.000 description 2
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- WHXSMMKQMYFTQS-BJUDXGSMSA-N (6Li)Lithium Chemical compound [6Li] WHXSMMKQMYFTQS-BJUDXGSMSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
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- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
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- ZVLDJSZFKQJMKD-UHFFFAOYSA-N [Li].[Si] Chemical compound [Li].[Si] ZVLDJSZFKQJMKD-UHFFFAOYSA-N 0.000 description 1
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- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
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- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
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- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
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- 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
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- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/502—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese for non-aqueous cells
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- 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
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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Abstract
Description
도 1은 대표적 리튬 이온 전기화학적 셀의 개략도를 나타내며;
도 2는 Li[Li0 .2Mn0 .54Ni0 .13Co0 .13]O2, LiMn1 .5Ti0 .5O4, 및 Li[Li0.2Mn0.54Ni0.13Co0.13]O2-LiMn1.5Ti0.5O4 복합체 전극의 초기 충전-방전 프로파일을 보여주는 그래프를 나타내며;
도 3은 Li[Li0 .2Mn0 .54Ni0 .13Co0 .13]O2, LiMn1 .5Ti0 .5O4, 및 Li[Li0.2Mn0.54Ni0.13Co0.13]O2-LiMn1.5Ti0.5O4 복합체 전극의 제2 충전-방전 프로파일을 보여주는 그래프를 나타내며;
도 4는 Li[Li0 .2Mn0 .54Ni0 .13Co0 .13]O2, LiMn1 .5Ti0 .5O4, 및 Li[Li0.2Mn0.54Ni0.13Co0.13]O2-LiMn1.5Ti0.5O4 복합체 전극의 수명 주기 성능을 보여주는 그래프를 나타내며;
도 5는 프리스틴 Li[Li0 .2Mn0 .54Ni0 .13Co0 .13]O2, 프리스틴 LiMn1 .5Ti0 .5O4, 및 1:3 LiMn1.5Ti0.5O4 : Li[Li0 .2Mn0 .54Ni0 .13Co0 .13]O2 복합체 전극에 대한 사이클 수의 함수로서 전하 이동 저항값을 나타낸다.
Claims (20)
- Li[Li0.2Mn0.54Ni0.13Co0.13]O2; 및
LiMn1.5Ti0.5O4를 포함하고,
Li[Li0.2Mn0.54Ni0.13Co0.13]O2는 100 ㎚ 내지 300 ㎚ 의 입자 크기를 가지며 LiMn1.5Ti0.5O4는 1 ㎛ 내지 2 ㎛ 의 입자 크기를 갖는, 리튬 이온 배터리용 캐소드 조성물.
- 삭제
- 삭제
- 제1항에 있어서,
LiMn1.5Ti0.5O4는 스피넬 구조를 포함하는, 조성물.
- 제1항에 있어서,
Li[Li0.2Mn0.54Ni0.13Co0.13]O2의 입자 및 LiMn1.5Ti0.5O4의 입자는 조성물에 균일하게 분포되는, 조성물.
- 제1항에 있어서,
LiMn1.5Ti0.5O4 및 Li[Li0.2Mn0.54Ni0.13Co0.13]O2는 1:1 내지 1:3의 몰 비율 범위로 제공되는, 조성물.
- 캐소드, 애노드, 및 상기 캐소드와 애노드 사이에 배치된 세퍼레이터를 포함하고, 상기 캐소드는 Li[Li0.2Mn0.54Ni0.13Co0.13]O2와 LiMn1.5Ti0.5O4의 혼합물을 포함하며, LiMn1.5Ti0.5O4는 스피넬 구조를 포함하며, Li[Li0.2Mn0.54Ni0.13Co0.13]O2는 100 ㎚ 내지 300 ㎚ 의 입자 크기를 가지며 LiMn1.5Ti0.5O4는 1 ㎛ 내지 2 ㎛ 의 입자 크기를 가지며, LiMn1.5Ti0.5O4:Li[Li0.2Mn0.54Ni0.13Co0.13]O2의 몰 비율은 1:3이며,
Li-이온 전기화학적 셀은 20 mAh/g 미만의 제1 비가역 용량 손실을 갖는, Li-이온 전기화학적 셀.
- 삭제
- 삭제
- 제7항에 있어서,
Li-이온 전기화학적 셀은,
40 사이클 후 초기 방전 용량의 80% 내지 95% 의 용량 유지율;
75% 내지 95% 의 제1 쿨롱 효율;
두 번째 및 스무 번째 사이클 후 각각 6.8 Ω 및 11.4 Ω 인 전하 이동 저항값; 및
190 mAh/g 내지 255 mAh/g 의 제1 방전 용량, 중 하나 이상을 갖는, Li-이온 전기화학적 셀.
- 삭제
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- 삭제
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Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2012/079820 WO2014022986A1 (en) | 2012-08-08 | 2012-08-08 | Composite cathode materials with controlled irreversible capacity loss for lithium ion batteries |
Publications (2)
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KR20150041078A KR20150041078A (ko) | 2015-04-15 |
KR101670327B1 true KR101670327B1 (ko) | 2016-10-31 |
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Country Status (5)
Country | Link |
---|---|
US (1) | US9786906B2 (ko) |
KR (1) | KR101670327B1 (ko) |
CN (1) | CN104641495A (ko) |
DE (1) | DE112012006684B4 (ko) |
WO (1) | WO2014022986A1 (ko) |
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WO2014022986A1 (en) | 2012-08-08 | 2014-02-13 | GM Global Technology Operations LLC | Composite cathode materials with controlled irreversible capacity loss for lithium ion batteries |
US9059451B2 (en) | 2012-10-18 | 2015-06-16 | GM Global Technology Operations LLC | Coatings for lithium titanate to suppress gas generation in lithium-ion batteries and methods for making and use thereof |
US9034519B2 (en) | 2013-01-18 | 2015-05-19 | GM Global Technology Operations LLC | Ultrathin surface coating on negative electrodes to prevent transition metal deposition and methods for making and use thereof |
US10062898B2 (en) | 2013-07-10 | 2018-08-28 | GM Global Technology Operations LLC | Surface coating method and method for improving electrochemical performance of an electrode for a lithium based battery |
US9531004B2 (en) | 2013-12-23 | 2016-12-27 | GM Global Technology Operations LLC | Multifunctional hybrid coatings for electrodes made by atomic layer deposition techniques |
US9564639B2 (en) | 2014-02-12 | 2017-02-07 | GM Global Technology Operations LLC | High performance silicon electrodes having improved interfacial adhesion between binder and silicon |
JP6308307B2 (ja) * | 2014-11-18 | 2018-04-11 | 株式会社村田製作所 | リチウムイオン二次電池用正極およびそれを用いたリチウムイオン二次電池 |
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