Chapter 1 of this study confirmed the polymerization and saponification behavior of vinyl acetate and methyl acrylate according to the initiator and monomer ratio when synthesizing a polymer binder for an anode material of a lithium ion battery. For each polymerized polymer, the composition of the p...
Chapter 1 of this study confirmed the polymerization and saponification behavior of vinyl acetate and methyl acrylate according to the initiator and monomer ratio when synthesizing a polymer binder for an anode material of a lithium ion battery. For each polymerized polymer, the composition of the polymer was confirmed through FT-IR and 1H-NMR. In addition, a slurry was prepared using a polymer synthesized by saponification as a binder material, and an electrode plate was prepared. Binder performance was evaluated through TXA for electrode plates using binder materials of different monomer ratios at the same molecular weight. Furthermore, a slurry and an electrode plate were produced using a binder in which a high molecular weight and a low molecular weight polymer were mixed, and the binder performance was evaluated through TXA. Through this, it was found that when the molecular weight increases at the same monomer ratio, the adhesion value also increases. It was found that when the ratio of vinyl acetate increased during polymerization, the -OH group in the polymer binder increased, and accordingly, the cohesion value increased. In addition, it was found that the adhesion value increased with the viscosity of the polymer binder through the mixed binder. In Chapter 2, the saponified polymers of vinyl acetate and methyl acrylate, which have been previously used as binders, are functionalized with functional compounds such as dopamine and phosphorylethanolamine. For each polymerized polymer, the composition of the polymer was confirmed through FT-IR, 1H-NMR, and 13C-NMR. In addition, a slurry was produced using a functionalized polymer, and an electrode plate was produced. In addition, the binder performance was evaluated through TXA for the electrode plate using each functional polymer. Through this, it was confirmed whether dopamine and phosphorylethanolamine were functionalized, and it was found that the cohesion value of the polymer binder functionalized through dopamine increased.
Chapter 1 of this study confirmed the polymerization and saponification behavior of vinyl acetate and methyl acrylate according to the initiator and monomer ratio when synthesizing a polymer binder for an anode material of a lithium ion battery. For each polymerized polymer, the composition of the polymer was confirmed through FT-IR and 1H-NMR. In addition, a slurry was prepared using a polymer synthesized by saponification as a binder material, and an electrode plate was prepared. Binder performance was evaluated through TXA for electrode plates using binder materials of different monomer ratios at the same molecular weight. Furthermore, a slurry and an electrode plate were produced using a binder in which a high molecular weight and a low molecular weight polymer were mixed, and the binder performance was evaluated through TXA. Through this, it was found that when the molecular weight increases at the same monomer ratio, the adhesion value also increases. It was found that when the ratio of vinyl acetate increased during polymerization, the -OH group in the polymer binder increased, and accordingly, the cohesion value increased. In addition, it was found that the adhesion value increased with the viscosity of the polymer binder through the mixed binder. In Chapter 2, the saponified polymers of vinyl acetate and methyl acrylate, which have been previously used as binders, are functionalized with functional compounds such as dopamine and phosphorylethanolamine. For each polymerized polymer, the composition of the polymer was confirmed through FT-IR, 1H-NMR, and 13C-NMR. In addition, a slurry was produced using a functionalized polymer, and an electrode plate was produced. In addition, the binder performance was evaluated through TXA for the electrode plate using each functional polymer. Through this, it was confirmed whether dopamine and phosphorylethanolamine were functionalized, and it was found that the cohesion value of the polymer binder functionalized through dopamine increased.
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