Powering the Future: Unveiling the Potential of Na, K, and Mg Solid-State Batteries

In the pursuit of advancing sustainable energy storage solutions, solid-state batteries (SSBs) have emerged as a formidable contender to traditional lithium-ion batteries, distinguished by their superior energy density, augmented safety measures, and improved cyclability. Amid escalating concerns regarding resource scarcity, environmental ramifications, and the safety hazards posed by lithium-ion technologies, the exploration into non-lithium SSBs has emerged as a crucial frontier for technological breakthroughs. This exhaustive review delves into the latest progressions and persisting challenges within the sphere of sodium (Na), potassium (K), and magnesium (Mg) SSBs, spotlighting seminal materials, cutting-edge technologies, and strategic approaches propelling advancements in this vibrant domain. Despite considerable progress, hurdles such as amplifying ionic conductivity, mitigating the intricacies at the electrode-electrolyte interface, and realizing scalable production methodologies continue to loom. Nevertheless, the trajectory for non-lithium SSBs holds considerable promise, poised to redefine the landscape of electric vehicles, portable electronics, and grid stabilization technologies, thereby marking a significant leap toward realizing a sustainable and energy-secure future. This review article aims to provide a detailed overview of the materials and methodologies underpinning the development of these next-generation energy storage devices, underscoring their potential to catalyze a paradigm shift in our approach to energy storage and utilization.