Novel Binder Designs in Emerging Rechargeable Batteries
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초록
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I will summarize my group’s efforts in the past decade in developing various binder designs for high-capacity electrodes for Li-ion batteries and emerging post-lithium-ion batteries. For high-capacity Si-based electrodes, binders are based on supramolecular chemistries involving hydrogen bonding, ion-dipole interaction, molecular machines, etc., with the aim of activating self-healing ability. In the second part of my talk, I will also introduce recent efforts along developing advanced binder designs targeting solution-processed sulfide-based all-solid-state batteries. For these series of binders, slurry composition was carefully investigated in conjunction with the polarity of polymeric binder. Various strategies including protection-deprotection chemistry, click chemistry, elastic chain design were applied to address the chemical and physical issues among the electrode components in the sulfide-based all-solid-state batteries.