KR101469436B1 - 양극 활물질 및 이를 포함하고 불순물 혹은 스웰링 제어를 위한 리튬 이차전지와 생산성이 향상된 양극 활물질의 제조방법 - Google Patents
양극 활물질 및 이를 포함하고 불순물 혹은 스웰링 제어를 위한 리튬 이차전지와 생산성이 향상된 양극 활물질의 제조방법 Download PDFInfo
- Publication number
- KR101469436B1 KR101469436B1 KR1020120005070A KR20120005070A KR101469436B1 KR 101469436 B1 KR101469436 B1 KR 101469436B1 KR 1020120005070 A KR1020120005070 A KR 1020120005070A KR 20120005070 A KR20120005070 A KR 20120005070A KR 101469436 B1 KR101469436 B1 KR 101469436B1
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- South Korea
- Prior art keywords
- active material
- positive electrode
- cathode active
- cation
- secondary battery
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- 239000001008 quinone-imine dye Substances 0.000 description 1
- 239000002994 raw material Substances 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
- 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
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- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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Abstract
LiaNixMnyCozMwO2 - tAt (1)
(상기 식에서, a, x, y, w, M, A, z, t는 명세서에 정의된 바와 같다)
Description
Claims (16)
- 하기 화학식 1로 표현되고, Li 층에서의 Ni 양이온 혼합을 방지하도록 Ni 양이온보다 큰 이온반경을 갖는 하기 M으로 표현되는 금속 양이온을 Li양이온 자리 또는 결정격자내의 빈공간에 포함하고 있는 것을 특징으로 하는 양극 활물질.
LiaNixMnyCozMwO2 - tAt (1)
상기 식에서,
0≤a≤1.2, 0<x≤0.9, 0<y≤0.9, 0<z≤0.9, 0<w≤0.3, 2≤a+x+y+z+w≤2.3, x>y, x>z, 0≤t<0.2;
M은 +2가 산화수의 하나 이상의 금속 양이온이고;
A는 -1 또는 -2가의 하나 이상의 음이온이다. - 제 1 항에 있어서, 상기 화학식 1에서 y+z≤0.4의 조건을 만족하는 것을 특징으로 하는 양극 활물질.
- 제 1 항에 있어서, 상기 M은 Sr+2인 것을 특징으로 하는 양극 활물질.
- 제 1 항에 있어서, 상기 M은 Ba2 +인 것을 특징으로 하는 양극 활물질.
- 제 1 항에 있어서, 상기 Ni 양이온은 Ni2 +인 것을 특징으로 하는 양극 활물질.
- 제 1 항에 있어서, 상기 양극 활물질은 Li 함유 화합물을 더 포함하고, 상기 Li 함유 화합물은 양극 활물질의 전체 중량 대비 0.5 중량% 미만으로 포함되어 있는 것을 특징으로 하는 양극 활물질.
- 제 6 항에 있어서, 상기 Li 함유 화합물은 LiCO3, 또는 LiOH, 또는 LiCO3 및 LiOH인 것을 특징으로 하는 양극 활물질.
- 제 1 항 내지 제 7 항 중 어느 하나에 따른 양극 활물질을 포함하는 것을 특징으로 하는 이차전지용 양극 합제.
- 제 8 항에 따른 이차전지용 양극 합제가 집전체상에 도포되어 있는 것을 특징으로 하는 이차전지용 양극.
- 제 9 항에 따른 이차전지용 양극을 포함하는 것을 특징으로 하는 리튬 이차전지.
- 제 10 항에 따른 리튬 이차전지를 단위전지로 포함하는 것을 특징으로 하는 전지모듈.
- 제 11 항에 따른 전지모듈을 포함하는 것을 특징으로 하는 전지팩.
- 제 12 항에 따른 전지팩을 전원으로 사용하는 것을 특징으로 하는 디바이스.
- 삭제
- 삭제
- 삭제
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KR1020120005070A KR101469436B1 (ko) | 2012-01-17 | 2012-01-17 | 양극 활물질 및 이를 포함하고 불순물 혹은 스웰링 제어를 위한 리튬 이차전지와 생산성이 향상된 양극 활물질의 제조방법 |
CN201380003728.3A CN104025346B (zh) | 2012-01-17 | 2013-01-16 | 正极活性材料和含其的控制杂质或溶胀的锂二次电池及提高产率的制备正极活性材料的方法 |
EP13738548.0A EP2806486B1 (en) | 2012-01-17 | 2013-01-16 | Cathode active material, lithium secondary battery for controlling impurities or swelling containing same, and preparation method of cathode active material with improved productivity |
PL13738548T PL2806486T3 (pl) | 2012-01-17 | 2013-01-16 | Aktywny materiał katodowy, zawierająca go litowa bateria wtórna do kontrolowania zanieczyszczeń lub pęcznienia i sposób wytwarzania aktywnego materiału katodowego o ulepszonej wydajności |
JP2014539889A JP6226430B2 (ja) | 2012-01-17 | 2013-01-16 | 正極活物質、及びこれを含み、不純物またはスウェリング制御のためのリチウム二次電池、並びに生産性が向上した正極活物質の製造方法 |
PCT/KR2013/000316 WO2013109038A1 (ko) | 2012-01-17 | 2013-01-16 | 양극 활물질 및 이를 포함하고 불순물 혹은 스웰링 제어를 위한 리튬 이차전지와 생산성이 향상된 양극 활물질의 제조방법 |
US14/264,588 US10096831B2 (en) | 2012-01-17 | 2014-04-29 | Cathode active material and lithium secondary battery for controlling impurity or swelling including the same and method of preparing cathode active material with enhanced productivity |
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KR101644684B1 (ko) * | 2014-02-28 | 2016-08-01 | 주식회사 엘지화학 | 리튬-니켈계 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
KR102295372B1 (ko) | 2014-12-29 | 2021-09-01 | 삼성에스디아이 주식회사 | 리튬 이차전지용 양극활물질, 그의 제조방법 및 이를 포함한 리튬 이차전지 |
KR102006173B1 (ko) | 2018-03-20 | 2019-08-01 | (주)이엠티 | 리튬이차전지용 양극활물질, 이를 포함하는 양극, 이를 포함하는 리튬이온이차전지 및 그 제조 방법 |
KR102398689B1 (ko) | 2018-04-06 | 2022-05-17 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 양극 활물질, 이의 제조방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 |
KR102291950B1 (ko) | 2019-12-04 | 2021-08-24 | (주)이엠티 | 리튬이온이차전지용 양극활물질, 이를 포함하는 양극, 및 이를 포함하는 리튬이온이차전지 및 그 제조방법 |
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