Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors.

ABSTRACT: The emergence of wearable electronics puts batteries closer to the human skin, exacerbating the need for battery materials that are robust, highly ionically conductive, and stretchable. Herein, we introduce a supramolecular design as an effective strategy to overcome the canonical tradeoff between mechanical robustness and ionic conductivity in polymer electrolytes. The supramolecular lithium ion conductor utilizes orthogonally functional H-bonding domains and ion-conducting domains to create a polymer electrolyte with unprecedented toughness (29.3 MJ m^-3) and high ionic conductivity (1.2 × 10^-4 S cm^-1 at 25 °C). Implementation of the supramolecular ion conductor as a binder material allows for the creation of stretchable lithium-ion battery electrodes with

SUBMITTER: Mackanic DG 

PROVIDER: S-EPMC6879760 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature