Advancing lifecycle-aware battery architectures with embedded self-healing and recyclability for sustainable high-density renewable energy storage applications

The global transition toward renewable energy systems necessitates advanced energy storage solutions that are not only efficient but also sustainable across their full lifecycle. Traditional lithium-ion and solid-state battery technologies, while critical to enabling high-density storage, often face limitations in long-term stability, end-of-life recyclability, and environmental impact. These challenges are magnified in large-scale applications such as grid energy storage and electric mobility infrastructure, where performance degradation, material scarcity, and disposal inefficiencies pose growing concerns. To address these limitations, this article explores the design and development of lifecycle-aware battery architectures that integrate embedded self-healing mechanisms and recyclable materials. These architectures incorporate intelligent material systems capable of autonomously repairing microstructural damage such as electrode cracks or electrolyte degradation thereby extending battery lifespan, improving safety, and minimizing maintenance costs. Furthermore, recyclable and modular designs facilitate the disassembly, reprocessing, and recovery of critical materials, reducing reliance on rare earth elements and minimizing environmental burden. The study provides a comprehensive overview of cutting-edge self-healing materials (e.g., polymer binders, conductive gels, and encapsulated healing agents) and evaluates their electrochemical performance across charge–discharge cycles. It also examines advances in direct cathode recycling, electrode re-lithiation, and closed-loop material recovery within emerging battery systems. By integrating self-healing and recyclability into the core design principles of battery technology, this approach represents a transformative step toward circular energy storage systems combining performance, longevity, and ecological responsibility. The findings have significant implications for the deployment of high-density renewable energy systems that are both scalable and aligned with global sustainability goals.