SiO with ZSM-5 to regulate interfacial stability for fast-charging lithium-ion batteries

•SiO@ZSM-5@PEO composites were fabricated and used in the Lithium-ions batteries.•ZSM-5 matrix was used to mediate the performance of the fabricated batteries.•Charge transfer kinetic was investigated to design electrode materials with expected capacity and cycle life.•A simple but effective synthesizing method was adopted to produce the electrode materials in mass. Silicon monoxide (SiO) anodes hold great promise for the high-energy advanced battery systems. However, their rate and cycling behavior confront rapid capacity degradation due to the sluggish charge transfer kinetic and serious volume expansion. Though different tactics mitigate this degradation, the effective strategy is still needed to further improve the charge diffusion and mass shift. Here, it is suggested that the stable and fast ion transfer channels are established and dominated by the ZSM-5, combining with PEO, which depresses the volume expansion and leads to the enhanced tolerance during cycling for the SiO anodes. The different molar ratio of ZSM-5/PEO solid state electrolyte impacts greatly the battery performance. This study conducts the interface issues and proposes the integration of ZSM-5 molecular sieve to improve the contact between the solid electrolyte PEO and electrode active material SiO. This resulted in the enhanced ion conductivity and superior hardness in comparison to the pure SiO anodes, correspondingly, an increase in the diffusion coefficient and the electronic conductivity of the fabricated SiO electrode is realized. The optimized anodes, achieves 5.0 A/g rate property with 300 cycles stable cycling and a capacity retention ratio of 82%. This study offers valuable insights into the rational design of cost-effective and high specific energy SiO-based solid-state lithium-ion batteries.