Polyzwitterion–SiO2 Double-Network Polymer Electrolyte with High Strength and High Ionic Conductivity

Abstract

The key to developing high-performance polymer electrolytes (PEs) is to achieve their high strength and high ionic conductivity, but this is still challenging. Herein, we designed a new double-network PE based on the nonhydrolytic sol–gel reaction of tetraethyl orthosilicate and in situ polymerization of zwitterions. The as-prepared PE possesses high strength (0.75 Mpa) and high stretchability (560%) due to the efficient dissipation energy of the inorganic network and elastic characteristics of the polymer network. In addition, the highest ionic conductivity of the PE reaches 0.44 mS cm−1 at 30 °C owning to the construction of dynamic ion channels between the polyzwitterion segments and between the polyzwitterion segments and ionic liquids. Furthermore, the inorganic network can act as Lewis acid to adsorb trace impurities, resulting in a prepared electrolyte with a high electrochemical window over 5 V. The excellent interface compatibility of the as-prepared PE with a Li metal electrode is also confirmed. Our work provides new insights into the design and preparation of high-performance polymer-based electrolytes for solid-state energy storage devices.

Targeting Diverse Wounds and Scars: Recent Innovative Bio‐design of Microneedle Patch for Comprehensive Management

“…[39] Besides, many other substances have also been used in the treatment of HS in MNP. For instance, tanshinone IIA, [128] asiaticoside, [47] betamethasone, [124] losartan, [126] bleomycin, [37] choloroquin, [125] interferon, [127] and tranilast. [40] The utilization of various materials to construct distinct segments of the needle body carrying different cargoes, enabling phased release at different levels, represents a promising direction for future MNP development.…”