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논문 기본 정보
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- 2020
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이 논문의 연구 히스토리 (4)
2019
Synthesis of Silica Aerogel Hybrid Electrolyte Grafted with Ionic Molecule via Sol-gel Reaction and Free Radical Polymerization
정호균
,
최우혁
한국고분자학회 학술대회 연구논문 초록집
2019.10
학술대회자료
Lithium Ion Conduction of Hybrid Composite Polymer Electrolytes Containing Silica aerogel-Based Single-Ion Conducting Anionic Polymers
정호균
,
최우혁
한국고분자학회 학술대회 연구논문 초록집
2019.04
학술대회자료
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- 연관 학술논문 또는 학술발표를 통해 보다 발전된 연구결과를 확인하실 수 있습니다.
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초록· 키워드
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Although the commercial lithium ion battery based on a liquid electrolyte has proven to be an efficient energy storage system, its energy density will reach the uppermost limit, and using liquid electrolytes can also cause safety issues such as inflammability, fire, and explosion. Solid polymer electrolytes could offer a perfect solution to substitute for liquid electrolytes owing to their low flammability and good electrochemical stability. But, they have reached limitations such as low lithium transference number, low mechanical properties. We have synthesized and designed silica aerogel-based new type single-ion conductor, where anionic polymers are attached to the silica back bone, thereby allowing the only lithium cations move, by a free radical polymerization and sol-gel reaction. The synthesized silica aerogel, having a high surface area and a vinyl group, is then combined with monomers because vinyl groups allowing polymerization with various ionomers. Monomers of various types were introduced to silica aerogel back bone and the mechanism of ionic conductivity was studied while controlling the variables of the system.
목차
Chapter 1. Introduction 11-1. Lithium Ion Secondary Battery 11-2. Solid Polymer Electrolytes 41-3. Single Ion Conductors 6Chapter 2. 3D Network Silica Aerogel Nanoparticles Grafted Poly Lithium Acrylate [P(AALi)] 92-1. Introduction 92-2. Experimental Section 132-2-1. Marterials 132-2-2. Synthesis of Silica Aerogel (S.A) 152-2-3. Synthesis of Lithium Acrylate (AALi) 162-2-4. Synthesis of Silica Aerogel Grafted Polymer [S.A_P(AALi), S.A_PAA, S.A_P(AALi)_PEG(1:1)] 182-3. Characterization 192-4. Results and Discussion 212-5. Conclusion 48Chapter 3. Synthesis of Silica Aerogel Hybrid Electrolyte Grafted Ionic Polymer for Lithium Ion Battery 503-1. Introduction 503-2. Experimental Section 543-2-1. Marterials 543-2-2. Synthesis of Silica Aerogel (S.A) 553-2-3. Synthesis of Lithium 1-[3-(methacryloyloxy)-propylsulfonyl]-1- (trifluoromethylsulfonyl)imide (LiMTFSI) 573-2-4. Synthesis of Lithium 4-styrenesulfonyl(trifluoromethylsulfonyl)imide (LiSTFSI) 603-2-5. Synthesis of Silica Aerogel Grafted Polymer [S.A_poly(LiMTFSI), S.A_poly(LiSTFSI), S.A_poly(LiMTFSI)_PEG(1:1)] 643-3. Characterization 653-4. Results and Discussion 673-5. Conclusion 92References 94Acknowledgement 101
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