This review explores the advancements in solar technologies
encompassing production methods
storage systems
and their integration with renewable energy solutions. It examines the primary hydrogen production approaches
including thermochemical
photochemical
and biological methods. Thermochemical methods
though highly efficient
require advanced materials and complex reactor designs
while photochemical methods offer a simpler alternative but suffer from low conversion efficiencies. Biological hydrogen production presents a low-cost option but faces limitations in scalability and production rates. The review also highlights innovative hydrogen storage technologies
such as metal hydrides
metal-organic frameworks
and liquid organic hydrogen carriers
which address the intermittency of solar energy and offer scalable storage solutions. Additionally
the potential of hybrid energy systems that integrate solar hydrogen with photovoltaics
thermal energy systems
battery storage
and smart grids is emphasized. Despite technical and economic barriers
ongoing advancements in catalyst development
material optimization
and artificial intelligence-driven energy management systems are accelerating the adoption of solar hydrogen technologies. These innovations position solar hydrogen as a pivotal solution for achieving a sustainable and low-carbon energy future.