KR102183598B1 - 에너지 저장 장치용 양극 활물질의 제조 방법 및 에너지 저장 장치 - Google Patents
에너지 저장 장치용 양극 활물질의 제조 방법 및 에너지 저장 장치 Download PDFInfo
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- 239000007774 positive electrode material Substances 0.000 title claims abstract description 90
- 238000004146 energy storage Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title description 20
- 238000004519 manufacturing process Methods 0.000 title description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 49
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 32
- 229910021389 graphene Inorganic materials 0.000 claims description 47
- 239000002245 particle Substances 0.000 claims description 20
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 8
- 229910011281 LiCoPO 4 Inorganic materials 0.000 claims description 5
- 229910013086 LiNiPO Inorganic materials 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 25
- 229910001416 lithium ion Inorganic materials 0.000 description 25
- 239000007773 negative electrode material Substances 0.000 description 16
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- 239000010439 graphite Substances 0.000 description 15
- 239000002994 raw material Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 11
- 238000010304 firing Methods 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
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- 125000006850 spacer group Chemical group 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 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 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- 239000006183 anode active material Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- SBWRUMICILYTAT-UHFFFAOYSA-K lithium;cobalt(2+);phosphate Chemical compound [Li+].[Co+2].[O-]P([O-])([O-])=O SBWRUMICILYTAT-UHFFFAOYSA-K 0.000 description 1
- ILXAVRFGLBYNEJ-UHFFFAOYSA-K lithium;manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[O-]P([O-])([O-])=O ILXAVRFGLBYNEJ-UHFFFAOYSA-K 0.000 description 1
- LRVBJNJRKRPPCI-UHFFFAOYSA-K lithium;nickel(2+);phosphate Chemical compound [Li+].[Ni+2].[O-]P([O-])([O-])=O LRVBJNJRKRPPCI-UHFFFAOYSA-K 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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Abstract
Description
도 1은 양극 활물질의 제조를 도시하는 플로우 챠트이고;
도 2a 및 도 2b는 각각, 양극 활물질의 표면 상태를 예시하는 단면도이고;
도 3은 리튬-이온 이차 전지를 예시하고;
도 4는 리튬-이온 이차 전지를 예시하고;
도 5a 및 도 5b는 전자 기기에의 응용예를 예시하며;
도 6은 전기 자동차에의 응용예를 예시한다.
Claims (2)
- 양극 및 음극을 포함하는 에너지 저장 장치로서,
상기 양극은, 집전체 및 상기 집전체 위의 양극 활물질을 포함하고,
상기 양극 활물질을 구성하는 주재료의 표면은, 2차원 탄소로 코팅된 영역을 포함하고,
상기 주재료는, LiFePO4, LiNiPO4, LiCoPO4, 또는 LiMnPO4를 포함하고,
상기 주재료의 입경은 50nm 이하이고,
상기 2차원 탄소는 하나 이상의 그라핀을 적층함으로써 형성되고,
상기 그라핀은 상기 양극 활물질을 구성하는 주재료의 표면에 대해 0° 이상 3° 미만의 각도를 가지며,
상기 2차원 탄소의 두께는 0.34nm 이상 3.4nm 이하인, 에너지 저장 장치. - 양극 및 음극을 포함하는 에너지 저장 장치로서,
상기 양극은, 집전체 및 상기 집전체 위의 양극 활물질을 포함하고,
상기 양극 활물질을 구성하는 주재료의 표면은, 2차원 탄소로 코팅된 영역 및 상기 2차원 탄소로 코팅되어 있지 않은 영역을 포함하고,
상기 주재료는, LiFePO4, LiNiPO4, LiCoPO4, 또는 LiMnPO4를 포함하고,
상기 주재료의 입경은 50nm 이하이고,
상기 2차원 탄소는 하나 이상의 그라핀을 적층함으로써 형성되고,
상기 그라핀은 상기 양극 활물질을 구성하는 주재료의 표면에 대해 0° 이상 3° 미만의 각도를 가지며,
상기 2차원 탄소의 두께는 0.34nm 이상 3.4nm 이하인, 에너지 저장 장치.
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KR101983860B1 (ko) | 2019-05-29 |
CN106229475A (zh) | 2016-12-14 |
US9490474B2 (en) | 2016-11-08 |
US10164243B2 (en) | 2018-12-25 |
KR20200022550A (ko) | 2020-03-03 |
KR102083375B1 (ko) | 2020-03-03 |
WO2012046791A1 (en) | 2012-04-12 |
CN103140967A (zh) | 2013-06-05 |
JP2012099467A (ja) | 2012-05-24 |
KR20220082096A (ko) | 2022-06-16 |
CN106229475B (zh) | 2019-12-17 |
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