Electrocatalytic Valorization of Organic Waste and Hydrogen Production
Summary
Electrocatalytic valorization of organic waste harnesses renewable electricity to drive simultaneous oxidation of biomass‐derived substrates at the anode and hydrogen evolution at the cathode. By replacing the energy‐intensive oxygen evolution reaction with the oxidation of low-value feedstocks such as polyols, glycols and plastic monomers, this approach delivers value-added chemicals while reducing overall cell voltage and improving energy efficiency. Recent advances have focused on tuning catalyst composition and surface states to enhance activity, selectivity and stability under operational conditions. Strategies include dynamic modulation of electrode potentials, engineering of lattice oxygen activity and targeted control of dehydrogenation pathways. Applications span glycerol electrooxidation to fine chemicals, polyethylene terephthalate upcycling to commodity acids and concurrent hydrogen generation. The global significance lies in coupling waste remediation with green hydrogen production, offering a carbon-neutral route to fuels and chemicals and supporting circular economy objectives.
Research from Nature Portfolio
Recent studies have demonstrated the power of potential modulation and catalyst design to overcome deactivation and steer product distribution. A pulsed-potential electrolysis strategy on a platinum-based electrocatalyst achieves selective oxidation of glycerol to glyceric acid with more than double the selectivity of constant-potential methods, by periodically renewing active sites and limiting surface poisoning. In another work, a Pd/NiMoO₄ nanostructured electrode with ultralow palladium loading enables ethylene glycol oxidation to glycolate with near-quantitative Faradaic efficiency, and in situ formation of sodium glycolate facilitates product separation without added acid. A further breakthrough uses nickel oxyhydroxide to control dehydrogenation mechanisms, selectively oxidising the secondary alcohol of glycerol to produce 1,3-dihydroxyacetone with high precision, purely by tuning reaction conditions to favour hydrogen atom transfer over hydride transfer. Together, these advances illustrate how fine-tuning of electrochemical environment and catalyst structure can unlock high-value chemical syntheses alongside efficient hydrogen evolution.
Electrocatalytic Valorization of Organic Waste and Hydrogen Production publication trend
The graph below shows the total number of articles in electrocatalytic valorization of organic waste and hydrogen production across all publications each year (not limited to Nature Index journals).
Technical terms
Electrocatalysis: Acceleration of redox reactions at electrode surfaces by catalysts under applied potential.
Faradaic efficiency: Percentage of total charge that contributes to the targeted electrochemical conversion.
Glycerol oxidation reaction (GOR): Electrochemical transformation of glycerol into value-added oxygenates.
Hydrogen evolution reaction (HER): Cathodic reduction of protons or water to produce hydrogen gas.
Dehydrogenation mechanism: Pathway by which hydrogen atoms are removed from organic substrates, often via hydrogen atom or hydride transfer.
References
- Optimized Electronic Modification of S-Doped CuO Induced by Oxidative Reconstruction for Coupling Glycerol Electrooxidation with Hydrogen Evolution. Nano-Micro Letters (2023).
- Pulse potential mediated selectivity for the electrocatalytic oxidation of glycerol to glyceric acid. Nature Communications (2024).
- Pd/NiMoO4/NF electrocatalysts for the efficient and ultra-stable synthesis and electrolyte-assisted extraction of glycolate. Nature Communications (2024).
- Predictive control of selective secondary alcohol oxidation of glycerol on NiOOH. Nature Communications (2022).
- Selective Ethylene Glycol Oxidation to Formate on Nickel Selenide with Simultaneous Evolution of Hydrogen. Advanced Science (2023).
- Electrocatalytic upcycling of polyethylene terephthalate to commodity chemicals and H2 fuel. Nature Communications (2021).
- Promoting biomass electrooxidation via modulating proton and oxygen anion deintercalation in hydroxide. Nature Communications (2022).
Turn complex research questions into confident strategic decisions
When you're under pressure to set direction, justify investment, or understand your competitive position, you need more than raw data — you need trusted insights you can act on.
Benchmark your performance against global peers using robust, methodologically sound analysis.
Combine quantitative metrics with qualitative expert insight to uncover strengths, gaps and emerging opportunities.
Gain tailored, decision-ready recommendations aligned to your strategic priorities.
Talk to us to learn more about our data dashboards and bespoke strategy reports.
Grow research skills, confidence and careers with training built for every stage of the research lifecycle.
Developed with Nature Portfolio journal Editors and internationally renowned experts. Discover three ways to learn:
Self-paced, online courses in convenient bite-sized units, covering key skills across scientific writing, publishing, grant writing, data analysis, and more.
Expert trainer-led workshops with hands-on exercises and real-time feedback across core research skills, delivered via interactive group sessions.
Editor-led workshops combining core principles in writing and publishing, personalised 1:1 feedback from Nature Portfolio Editors and hands-on exercises.
Explore course catalogues and workshop agendas, enquire about the options or request institutional pricing.