Published in Nature Reviews Clean Technology, the paper argues that by integrating high-value chemical synthesis into solar electrolysis systems, the process could shift from being economically constrained to commercially viable.
Instead of producing low-value oxygen as a byproduct, the study envisions substituting that step with reactions that yield profitable materials such as bioplastic precursors or specialty chemicals. Similarly, hydrogen produced during the reaction could be immediately used to transform raw feedstocks into value-added compounds.
Professor Abdi emphasizes tailoring technologies to specific market needs. Large solar facilities could focus on generating low-cost, high-volume chemicals, while compact, modular systems could produce expensive specialty goods like pharmaceuticals closer to their points of use.
"What we are suggesting is a cleaner chemical industry that doesn't just cut emissions, but also stays economically viable," explains Professor Abdi. "Big centralised single-product plants make sense for cheap, high-demand chemicals. But expensive specialty chemicals are better produced in decentralised facilities that generate multiple products."
Laboratory studies have demonstrated the technical potential of this integrated approach, but scaling remains a significant hurdle. The review calls for investment in pilot-scale projects and the use of computational tools, including artificial intelligence, to accelerate innovation.
Policy frameworks - such as carbon pricing, green chemistry incentives, and targeted tax benefits - are also highlighted as essential drivers for commercialisation.
"This is the moment to align scientific innovation with market realities," Professor Abdi concludes.
Research Report:Solar-driven electrolysis coupled with valuable chemical synthesis
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