Harnessing hyperentanglement and hybrid entanglement for sustainable quantum batteries and environmental sensing

Quantum hyperentanglement and hybrid entanglement are advanced quantum resources with significant potential for technological innovation. This review investigates the proposed role of these entanglement structures in the optimization of two critical quantum technologies: quantum batteries and quantum sensors. We synthesize existing literature to analyze how hyperentangled states could enhance energy storage systems by increasing ergotropy density, accelerating charging rates, and enabling parallelized energy transfer. Furthermore, we examine how hyperentangled and hybrid-entangled architectures may improve the sensitivity, dynamic range, and robustness of quantum sensors through multi-parameter estimation and decoherence suppression. By contextualizing these advancements within quantum thermodynamics and metrology, we identify key theoretical advantages, discuss the significant experimental challenges that must be overcome for their realization, and propose a roadmap for future research. Our findings suggest that high-dimensional entanglement engineering could serve as a foundational principle for designing next-generation quantum devices aimed at addressing global sustainability challenges.