lithium ion battery (lib) - msl –...
TRANSCRIPT
![Page 1: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/1.jpg)
Lithium ion battery (LIB)Chapter 3
![Page 2: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/2.jpg)
에너지 재료학 - Lithium ion battery
Structure
Separator
![Page 3: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/3.jpg)
에너지 재료학 - Lithium ion battery
MaterialsLIB Depending Critically on Materials
![Page 4: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/4.jpg)
에너지 재료학 - Lithium ion battery
Materials
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![Page 5: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/5.jpg)
에너지 재료학 - Lithium ion battery
Structure
![Page 6: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/6.jpg)
에너지 재료학 - Lithium ion battery
Electrolyte
• High ionic conductivity
• Stability
• Low melting temperature
• High boiling temperature
• Low cost
• Non toxicity
![Page 7: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/7.jpg)
에너지 재료학 - Lithium ion battery
Electrolyte
액체 전해질고체 고분자 전해질
겔 고분자 전해질
구성 유기용매+리튬염 고분자+리튬염고분자+유기용매+리
튬염
이온전도도 높음 낮음 다소 높음
저온특성 비교적 양호함 열악함 비교적 양호
고온 안정성 열악함 우수함 비교적 양호
대표 물질 LiPF6-EC/DEC LiBF4-PEDLiPF6-EC/DMC+PVdF-
HFP
EC: Ethylene carbonate, DEC: diethyl carbonate, DMC: dimethyl carbonate, PED: poly(ethylene oxide), PVdF-HFP: poly(vinyldene fluoride-co-hexafluoropropylene), EMITFSI: 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide
![Page 8: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/8.jpg)
에너지 재료학 - Lithium ion battery
Mechanism of Lithium ion in electrolyte
Mechanism of Ion Transfer
![Page 9: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/9.jpg)
에너지 재료학 - Lithium ion battery
Solid polymer electrolyteSolid Polymer Electrolytes
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![Page 10: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/10.jpg)
에너지 재료학 - Lithium ion battery
Gel polymer electrolyte
UV Curable Gel Polymer Electrolytes
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![Page 11: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/11.jpg)
에너지 재료학 - Lithium ion battery
Etc
Electrolytes for LIB
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에너지 재료학 - Lithium ion battery
Structure
![Page 13: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/13.jpg)
에너지 재료학 - Lithium ion battery
Potential
![Page 14: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/14.jpg)
에너지 재료학 - Lithium ion battery
Cathode materials
구조 층상구조 스페넬구조 올리빈구조
물질
LiCoO2
LiNi1-xCoxO2
LiNi0.5Mn0.5O2
LiNi1/3Co1/3Mn1/3O2
LiMn2O4
LiNi0.5Mn1.5O4
LiCoMnO4
LiFePO4
LiMnPO4
LiCoPO4
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Structure of Olivine LiFePO4
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![Page 15: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/15.jpg)
에너지 재료학 - Lithium ion battery
LiCoO2
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Structural Change of LiCoO2
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![Page 16: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/16.jpg)
에너지 재료학 - Lithium ion battery
Cathode materials
LiCoO2 Li(Ni1/3Co1/3Mn1/3)O2 LiMn2O4 LiFePO4
구조 층상 층상 스피넬 올리빈
이론용량 274mAh/g 285mAh/g 148mAh/g 170mAh/g
가용용량 145mAh/g 170mAh/g 120mAh/g 150mAh/g
가용전압 3.7V 3.6V 4.1V 3.4V
장점높은 전기전도도합성이 쉬움
높은 용량낮은 가격열적 안정성
가격 저렴무독성
열적안정성
낮은 가격무독성
단점
높은 가격독성
열적 불안정합성이 어려움
망간 용출적은 방전 용량
낮은 전기전도도낮은 에너지밀도
![Page 17: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/17.jpg)
에너지 재료학 - Lithium ion battery
Cathode materials
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Cathode Materials
Cathode Materials
Li1-x[Ni1/3Mn1/3Co1/3]O2�Single phase up to x=0.7 with 1% volume change
� Similar performance to that of LiCoO2
� Mass production to be solved
![Page 18: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/18.jpg)
에너지 재료학 - Lithium ion battery
Structure
![Page 19: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/19.jpg)
에너지 재료학 - Lithium ion battery
Potential
![Page 20: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/20.jpg)
에너지 재료학 - Lithium ion battery
Anode materials�����
Basal plane surface
Edge surface
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에너지 재료학 - Lithium ion battery
CarbonCarbon Types
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에너지 재료학 - Lithium ion battery
Anode materials
Starting material
C Al Si Sn Bi
Lithiated phase LiC6 Li9Al4 Li22Si5 Li22Sn5 Li3Bi
이론용량
(Ah/kg)372 2235 4200 993 385
이론용량
(Ah/L)833 6035 9340 7000 3773
부피 변화(%)
12 238 297 257 115
Cycle property Excellent Poor Poor Poor Poor
![Page 23: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/23.jpg)
에너지 재료학 - Lithium ion battery
Silicon as anode material
Volume Expansion of Si
Weakpoints of Sn electrode: great volume change during alloying and de-allolying
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Weakpoints of Sn electrode: great volume change during alloying and de allolying� not easy to maintain the integrity of electrode structure due to pulverization � poor cycle properties
![Page 24: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/24.jpg)
Lithium ion battery (LIB)Chapter 4
![Page 25: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/25.jpg)
에너지 재료학 - Lithium ion battery
Li ion diffusionOperating Principle: Intercalation
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Cathode Anode
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에너지 재료학 - Lithium ion battery
Li ion intercalation
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에너지 재료학 - Lithium ion battery
Li ion intercalation
Stage Phenomena in Graphite
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LiC6
![Page 28: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/28.jpg)
에너지 재료학 - Lithium ion battery
Solid electrolyte interface (SEI)
![Page 29: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/29.jpg)
에너지 재료학 - Lithium ion battery
Solid electrolyte interface (SEI)
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에너지 재료학 - Lithium ion battery
Solid electrolyte interface (SEI)
Intercalation vs. Alloying
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![Page 31: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/31.jpg)
에너지 재료학 - Lithium ion battery
Electrode
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에너지 재료학 - Lithium ion battery
Li metal
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Graphite
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에너지 재료학 - Lithium ion battery
Explosion
![Page 34: Lithium ion battery (LIB) - MSL – KOREATECHnano.kut.ac.kr/.../images/4/4c/Lithium_ion_battery_2nd.pdf · 2010-12-10 · 에너지 재료학 - Lithium ion battery Cathode materials](https://reader033.vdocuments.mx/reader033/viewer/2022041512/5e292ecf63ebd02c6642af95/html5/thumbnails/34.jpg)
에너지 재료학 - Lithium ion battery
SeparatorCelgard 2320
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