KR20180130182A - 리튬 이차 전지 - Google Patents
리튬 이차 전지 Download PDFInfo
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- KR20180130182A KR20180130182A KR1020170065943A KR20170065943A KR20180130182A KR 20180130182 A KR20180130182 A KR 20180130182A KR 1020170065943 A KR1020170065943 A KR 1020170065943A KR 20170065943 A KR20170065943 A KR 20170065943A KR 20180130182 A KR20180130182 A KR 20180130182A
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- KR
- South Korea
- Prior art keywords
- secondary battery
- negative electrode
- natural graphite
- lithium secondary
- active material
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/58—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
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
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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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- H01M4/58—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
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
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- 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
-
- Y02E60/122—
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Steroid Compounds (AREA)
Abstract
Description
| 구형화도 | D50 | 반가폭 | 천연/인조 혼합 중량비 | 음극의 전극 팽창률(%) | 방전출력 특성 (W/kg) |
수명(%) (1500 cycle) |
|
| 실시예 1 | 0.96 | 10 | 8.4 | 3:7 | 22.5 | 2374 | 93.1 |
| 실시예 2 | 0.96 | 10 | 8.4 | 5:5 | 19.9 | 3220 | 93.8 |
| 실시예 3 | 0.96 | 10 | 8.4 | 7:3 | 20.5 | 3433 | 93.3 |
| 실시예 4 | 0.98 | 10 | 8.4 | 3:7 | 20.0 | 2611.4 | 93.5 |
| 실시예 5 | 0.98 | 10 | 8.4 | 5:5 | 17.91 | 3542 | 93.7 |
| 실시예 6 | 0.98 | 10 | 8.4 | 7:3 | 18.45 | 3776.3 | 94 |
| 실시예 7 | 0.96 | 10 | 10.4 | 3:7 | 24.2 | 2320 | 92.2 |
| 실시예 8 | 0.96 | 10 | 10.4 | 5:5 | 20.6 | 3014 | 92.7 |
| 실시예 9 | 0.96 | 10 | 10.4 | 7:3 | 21.4 | 3364 | 92.5 |
| 실시예 10 | 0.96 | 15.7 | 9.6 | 3:7 | 23.5 | 2302 | 92.5 |
| 실시예 11 | 0.96 | 15.7 | 9.6 | 5:5 | 20.4 | 3029 | 92.9 |
| 실시예 12 | 0.96 | 15.7 | 9.6 | 7:3 | 21.1 | 3230 | 93.0 |
| 비교예 1 | 0.92 | 10 | 8.4 | 3:7 | 25.3 | 2281 | 91.5 |
| 비교예 2 | 0.92 | 10 | 8.4 | 5:5 | 23.4 | 2888 | 92.3 |
| 비교예 3 | 0.92 | 10 | 8.4 | 7:3 | 21.9 | 3214 | 92.1 |
Claims (7)
- 양극, 음극 및 비수 전해액을 포함하고;
상기 음극은 인조흑연 및 0.96 이상의 구형화도를 가지는 천연흑연을 포함하여 혼합된 음극 활물질을 포함하는, 리튬 이차 전지. - 청구항 1에 있어서, 상기 천연흑연의 구형화도는 0.98 이상인, 리튬 이차 전지.
- 청구항 1에 있어서, 상기 천연흑연은 평균 입자 직경(D50)이 9 내지 14㎛인, 리튬 이차 전지.
- 청구항 1에 있어서, 상기 천연흑연은 입경 분포에서의 반가폭이 10㎛ 이하인, 리튬 이차 전지.
- 청구항 1에 있어서, 상기 천연흑연은 입경 분포에서의 반가폭이 9㎛ 이하인, 리튬 이차 전지.
- 청구항 1에 있어서, 상기 천연흑연과 인조흑연의 혼합 중량비는 10:1 내지 1:1인, 리튬 이차 전지.
- 청구항 1에 있어서, 하기 수학식 1으로 표시되는 상기 음극의 전극 팽창률은 20% 이하인, 리튬 이차 전지:
[수학식 1]
음극의 전극 팽창률(%)=100×(T2-T1)/(T1)
(식 중, T1은 충전 상태(State Of Charge) 0%에서 음극 두께이고, T2는 충전 상태 100%에서 음극 두께임).
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170065943A KR20180130182A (ko) | 2017-05-29 | 2017-05-29 | 리튬 이차 전지 |
| CN201810530934.4A CN108933276B (zh) | 2017-05-29 | 2018-05-29 | 锂二次电池 |
| US15/991,017 US11145888B2 (en) | 2017-05-29 | 2018-05-29 | Lithium secondary battery |
| US17/411,223 US20210384546A1 (en) | 2017-05-29 | 2021-08-25 | Lithium secondary battery |
| KR1020210159993A KR20210145100A (ko) | 2017-05-29 | 2021-11-19 | 리튬 이차 전지 |
| KR1020220114906A KR20220132483A (ko) | 2017-05-29 | 2022-09-13 | 리튬 이차 전지 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170065943A KR20180130182A (ko) | 2017-05-29 | 2017-05-29 | 리튬 이차 전지 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020210159993A Division KR20210145100A (ko) | 2017-05-29 | 2021-11-19 | 리튬 이차 전지 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20180130182A true KR20180130182A (ko) | 2018-12-07 |
Family
ID=64401550
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020170065943A Ceased KR20180130182A (ko) | 2017-05-29 | 2017-05-29 | 리튬 이차 전지 |
| KR1020210159993A Ceased KR20210145100A (ko) | 2017-05-29 | 2021-11-19 | 리튬 이차 전지 |
| KR1020220114906A Ceased KR20220132483A (ko) | 2017-05-29 | 2022-09-13 | 리튬 이차 전지 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020210159993A Ceased KR20210145100A (ko) | 2017-05-29 | 2021-11-19 | 리튬 이차 전지 |
| KR1020220114906A Ceased KR20220132483A (ko) | 2017-05-29 | 2022-09-13 | 리튬 이차 전지 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US11145888B2 (ko) |
| KR (3) | KR20180130182A (ko) |
| CN (1) | CN108933276B (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020130465A1 (ko) * | 2018-12-17 | 2020-06-25 | 주식회사 엘지화학 | 이차전지용 음극 활물질, 이를 포함하는 음극 및 이의 제조방법 |
| KR20200088237A (ko) * | 2019-01-14 | 2020-07-22 | 주식회사 엘지화학 | 음극 및 상기 음극을 포함하는 이차 전지 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180130182A (ko) * | 2017-05-29 | 2018-12-07 | 에스케이이노베이션 주식회사 | 리튬 이차 전지 |
| KR102321261B1 (ko) * | 2017-10-27 | 2021-11-03 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극 활물질 및 이를 포함하는 리튬 이차전지 |
| CN111384395B (zh) * | 2020-03-20 | 2021-06-29 | 宁德新能源科技有限公司 | 电化学装置和电子装置 |
| TWI749650B (zh) * | 2020-07-20 | 2021-12-11 | 中鋼碳素化學股份有限公司 | 鋰離子電池的極板材料 |
| KR102830133B1 (ko) * | 2021-04-22 | 2025-07-03 | 에스케이온 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
| WO2024000095A1 (zh) * | 2022-06-27 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | 负极极片、二次电池、电池模组、电池包及用电装置 |
| US20250210658A1 (en) * | 2023-12-22 | 2025-06-26 | Lg Energy Solution, Ltd. | Lithium Secondary Battery |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002348110A (ja) * | 2001-05-28 | 2002-12-04 | Mitsui Mining Co Ltd | 黒鉛粒子、及びその製造方法 |
| CN100448075C (zh) * | 2003-09-05 | 2008-12-31 | 日立化成工业株式会社 | 非水电解液蓄电池用负极材料、其制造方法、使用该负极材料的非水电解液蓄电池用负极及非水电解液蓄电池 |
| JP4274090B2 (ja) * | 2004-09-17 | 2009-06-03 | ソニー株式会社 | 黒鉛粉末および非水電解質二次電池 |
| JP4989114B2 (ja) * | 2006-06-02 | 2012-08-01 | 日本カーボン株式会社 | リチウム二次電池用負極及び負極活物質 |
| DE102006031262A1 (de) * | 2006-07-04 | 2008-01-10 | Merck Patent Gmbh | Fluortenside |
| KR101395403B1 (ko) | 2006-08-17 | 2014-05-14 | 미쓰비시 가가꾸 가부시키가이샤 | 리튬 이온 2차 전지용 부극 활물질 및 그 제조 방법, 및 그것을 이용한 리튬 이온 2차 전지용 부극 및 리튬 이온 2차 전지 |
| US8431270B2 (en) * | 2006-12-26 | 2013-04-30 | Mitsubishi Chemical Corporation | Composite graphite particles for nonaqueous secondary battery, negative-electrode material containing the same, negative electrode, and nonaqueous secondary battery |
| KR100936571B1 (ko) * | 2008-04-10 | 2010-01-13 | 엘에스엠트론 주식회사 | 2차 전지용 음극 활물질, 이를 포함하는 2차 전지용 전극및 2차 전지 |
| CN102089240B (zh) * | 2008-07-15 | 2016-06-08 | 杜伊斯堡-艾森大学 | 插入硅和/或锡的多孔碳基底 |
| CN102150307B (zh) * | 2008-07-17 | 2014-03-12 | 中央电气工业株式会社 | 混合碳材料和非水系二次电池用负极 |
| KR101057162B1 (ko) | 2008-12-01 | 2011-08-16 | 삼성에스디아이 주식회사 | 음극활물질, 이를 구비하는 음극 및 리튬이차전지 |
| JP6121645B2 (ja) * | 2010-09-16 | 2017-04-26 | 三菱化学株式会社 | 非水電解液二次電池用負極材及びこれを用いた負極並びに非水電解液二次電池 |
| JP5601186B2 (ja) | 2010-12-15 | 2014-10-08 | 日産自動車株式会社 | 双極型電極の製造方法 |
| WO2012133699A1 (ja) | 2011-03-29 | 2012-10-04 | 三菱化学株式会社 | 非水系二次電池用負極炭素材、及び負極並びに、非水系二次電池 |
| CN102347481A (zh) * | 2011-10-14 | 2012-02-08 | 黑龙江省牡丹江农垦奥宇石墨深加工有限公司 | 超细球形石墨及其制备方法和应用 |
| KR102228103B1 (ko) * | 2013-03-26 | 2021-03-15 | 미쯔비시 케미컬 주식회사 | 탄소재, 그 탄소재를 사용한 비수계 이차 전지 |
| KR101631735B1 (ko) | 2013-05-27 | 2016-06-17 | 주식회사 엘지화학 | 리튬 이차전지용 음극재 및 이의 제조방법 |
| KR20140140323A (ko) * | 2013-05-29 | 2014-12-09 | (주)포스코켐텍 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지 |
| WO2015093894A1 (ko) * | 2013-12-20 | 2015-06-25 | 주식회사 엘지화학 | 음극 활물질 및 이를 포함하는 리튬 이차전지 |
| KR101790400B1 (ko) * | 2013-12-20 | 2017-10-25 | 주식회사 엘지화학 | 음극 활물질 및 이를 포함하는 리튬 이차전지 |
| EP3128586B1 (en) * | 2014-03-31 | 2019-01-23 | NEC Energy Devices, Ltd. | Graphite-based negative electrode active material, negative electrode, and lithium ion secondary battery |
| US10497935B2 (en) * | 2014-11-03 | 2019-12-03 | 24M Technologies, Inc. | Pre-lithiation of electrode materials in a semi-solid electrode |
| KR102356994B1 (ko) | 2015-06-19 | 2022-02-03 | 에스케이온 주식회사 | 이차전지용 음극 및 이로부터 제조된 리튬이차전지 |
| KR102449847B1 (ko) * | 2015-10-27 | 2022-09-29 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
| KR102640199B1 (ko) * | 2016-06-22 | 2024-02-22 | 에스케이온 주식회사 | 리튬 이차 전지 |
| WO2017221895A1 (ja) * | 2016-06-23 | 2017-12-28 | 昭和電工株式会社 | 黒鉛材およびそれを用いた二次電池用電極 |
| KR20180130182A (ko) * | 2017-05-29 | 2018-12-07 | 에스케이이노베이션 주식회사 | 리튬 이차 전지 |
-
2017
- 2017-05-29 KR KR1020170065943A patent/KR20180130182A/ko not_active Ceased
-
2018
- 2018-05-29 US US15/991,017 patent/US11145888B2/en active Active
- 2018-05-29 CN CN201810530934.4A patent/CN108933276B/zh active Active
-
2021
- 2021-08-25 US US17/411,223 patent/US20210384546A1/en not_active Abandoned
- 2021-11-19 KR KR1020210159993A patent/KR20210145100A/ko not_active Ceased
-
2022
- 2022-09-13 KR KR1020220114906A patent/KR20220132483A/ko not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020130465A1 (ko) * | 2018-12-17 | 2020-06-25 | 주식회사 엘지화학 | 이차전지용 음극 활물질, 이를 포함하는 음극 및 이의 제조방법 |
| US11862799B2 (en) | 2018-12-17 | 2024-01-02 | Lg Energy Solution, Ltd. | Anode active material for secondary battery, anode comprising same, and method for manufacturing same |
| KR20200088237A (ko) * | 2019-01-14 | 2020-07-22 | 주식회사 엘지화학 | 음극 및 상기 음극을 포함하는 이차 전지 |
| US12080873B2 (en) | 2019-01-14 | 2024-09-03 | Lg Energy Solution, Ltd. | Negative electrode and secondary battery including the negative electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180342755A1 (en) | 2018-11-29 |
| CN108933276A (zh) | 2018-12-04 |
| US20210384546A1 (en) | 2021-12-09 |
| KR20210145100A (ko) | 2021-12-01 |
| KR20220132483A (ko) | 2022-09-30 |
| CN108933276B (zh) | 2024-01-02 |
| US11145888B2 (en) | 2021-10-12 |
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