Sequence‐Defined Peptoids with OH and COOH Groups As Binders to Reduce Cracks of Si Nanoparticles of Lithium‐Ion Batteries

compared to other reported binders in literature. According to the density functional theory (DFT) calculations, it is the functional groups presented on the side chains of peptoids that facilitate the formation of Si-O binding efficiency and robustness, and then maintain the integrity of the Si anode. The sequence-designed polymers can act as a new platform for understanding the interactions between binders and Si anode materials, and promote the realization of high-performance batteries.