Seawater batteries for energy storage, desalination and carbon sequestration

17 min read Original article ↗
  • Baumann, M., Barelli, L. & Passerini, S. The potential role of reactive metals for a clean energy transition. Adv. Energy Mater. 10, 2001002 (2020).

    Article  CAS  Google Scholar 

  • Goodenough, J. B. & Park, K.-S. The Li-ion rechargeable battery: a perspective. J. Am. Chem. Soc. 135, 1167–1176 (2013).

    Article  CAS  Google Scholar 

  • Dixit, M. et al. Insights into the critical materials supply chain of the battery market for enhanced energy security. ACS Energy Lett. 9, 3780–3789 (2024).

    Article  CAS  Google Scholar 

  • Alnajdi, S. et al. Practical minimum energy use of seawater reverse osmosis. Joule 8, 3088–3105 (2024).

    Article  Google Scholar 

  • Sharifian, R., Wagterveld, R. M., Digdaya, I. A., Xiang, C. & Vermaas, D. A. Electrochemical carbon dioxide capture to close the carbon cycle. Energy Environ. Sci. 14, 781–814 (2021).

    Article  CAS  Google Scholar 

  • Kim, J.-K. et al. Rechargeable seawater battery and its electrochemical mechanism. ChemElectroChem 2, 328–332 (2015).

    Article  CAS  Google Scholar 

  • Kim, N. et al. Seawater-to-resource technologies with NASICON solid electrolyte: a review. Front. Batteries Electrochem. 2, 1301806 (2023).

    Article  Google Scholar 

  • Arnold, S., Wang, L. & Presser, V. Dual-use of seawater batteries for energy storage and water desalination. Small 18, 2107913 (2022).

    Article  CAS  Google Scholar 

  • Kim, Y. & Lee, W.-G. Seawater Batteries: Principles, Materials and Technology (Springer Nature, 2022).

  • Bae, J. et al. Zero fire battery concept: water-in-battery. J. Mater. Chem. A 10, 6481–6488 (2022).

    Article  CAS  Google Scholar 

  • Ligaray, M. et al. Energy projection of the seawater battery desalination system using the reverse osmosis system analysis model. Chem. Eng. J. 395, 125082 (2020).

    Article  CAS  Google Scholar 

  • Kim, N. et al. Compartmentalized desalination and salination by high-energy-density desalination seawater battery. Desalination 495, 114666 (2020).

    Article  CAS  Google Scholar 

  • Bae, H., Park, J.-S., Senthilkumar, S. T., Hwang, S. M. & Kim, Y. Hybrid seawater desalination–carbon capture using modified seawater battery system. J. Power Sources 410–411, 99–105 (2019).

    Article  Google Scholar 

  • Kim, N. et al. Economic evaluation of a brine upcycling system for resource recovery from seawater desalination brine. Sep. Purif. Technol. 371, 133259 (2025).

    Article  CAS  Google Scholar 

  • Han, J. et al. Development of coin-type cell and engineering of its compartments for rechargeable seawater batteries. J. Power Sources 374, 24–30 (2018).

    Article  CAS  Google Scholar 

  • Kim, Y., Harzandi, A. M., Lee, J., Choi, Y. & Kim, Y. Design of large-scale rectangular cells for rechargeable seawater batteries. Adv. Sustain. Syst. 5, 2000106 (2021).

    Article  CAS  Google Scholar 

  • Kim, Y., Shin, K., Jung, Y., Lee, W.-G. & Kim, Y. Development of prismatic cells for rechargeable seawater batteries. Adv. Sustain. Syst. 6, 2100484 (2022).

    Article  CAS  Google Scholar 

  • Kim, D., Park, J.-S., Lee, W.-G., Choi, Y. & Kim, Y. Development of rechargeable seawater battery module. J. Electrochem. Soc. 169, 040508 (2022).

    Article  CAS  Google Scholar 

  • Hwang, S. M. et al. Rechargeable seawater batteries-from concept to applications. Adv. Mater. 31, 1804936 (2019).

    Article  Google Scholar 

  • Senthilkumar, S. T. et al. Emergence of rechargeable seawater batteries. J. Mater. Chem. A 7, 22803–22825 (2019).

    Article  CAS  Google Scholar 

  • Kim, Y. et al. Anode-less seawater batteries with a Na-ion conducting solid-polymer electrolyte for power-to-metal and metal-to-power energy storage. Energy Environ. Sci. 15, 2610–2618 (2022).

    Article  CAS  Google Scholar 

  • Go, W. et al. Nanocrevasse-rich carbon fibers for stable lithium and sodium metal anodes. Nano Lett. 19, 1504–1511 (2019).

    Article  CAS  Google Scholar 

  • Kim, D. H. et al. Reliable seawater battery anode: controlled sodium nucleation via deactivation of the current collector surface. J. Mater. Chem. A 6, 19672–19680 (2018).

    Article  CAS  Google Scholar 

  • Kim, Y. et al. Large-scale stationary energy storage: seawater batteries with high rate and reversible performance. Energy Storage Mater. 16, 56–64 (2019).

    Article  Google Scholar 

  • Hwang, S. M., Kim, J., Kim, Y. & Kim, Y. Na-ion storage performance of amorphous Sb₂S₃ nanoparticles: anode for Na-ion batteries and seawater flow batteries. J. Mater. Chem. A 4, 17946–17951 (2016).

    Article  CAS  Google Scholar 

  • Lee, S. et al. Redox-active functional electrolyte for high-performance seawater batteries. ChemSusChem 13, 2220–2224 (2020).

    Article  CAS  Google Scholar 

  • Tu, N. D. K. et al. Pyridinic-nitrogen-containing carbon cathode: efficient electrocatalyst for seawater batteries. ACS Appl. Energy Mater. 3, 1602–1608 (2020).

    Article  Google Scholar 

  • Senthilkumar, B. et al. Exploration of cobalt phosphate as a potential catalyst for rechargeable aqueous sodium–air battery. J. Power Sources 311, 29–34 (2016).

    Article  CAS  Google Scholar 

  • Zhang, Y., Park, J.-S., Senthilkumar, S. T. & Kim, Y. A novel rechargeable hybrid Na–seawater flow battery using bifunctional electrocatalytic carbon sponge as cathode current collector. J. Power Sources 400, 478–484 (2018).

    Article  CAS  Google Scholar 

  • Barelli, L. et al. Na–seawater battery technology integration with renewable energies: the case study of Sardinia island. Renew. Sustain. Energy Rev. 187, 113701 (2023).

    Article  CAS  Google Scholar 

  • Deng, D. Li-ion batteries: basics, progress, and challenges. Energy Sci. Eng. 3, 385–418 (2015).

    Article  Google Scholar 

  • Goodenough, J. B. & Kim, Y. Challenges for rechargeable Li batteries. Chem. Mater. 22, 587–603 (2010).

    Article  CAS  Google Scholar 

  • Kim, Y., Kim, H., Park, S., Seo, I. & Kim, Y. Na+ ion-conducting ceramic as solid electrolyte for rechargeable seawater batteries. Electrochim. Acta 191, 1–7 (2016).

    Article  CAS  Google Scholar 

  • Wang, J. et al. Design principles for NASICON super-ionic conductors. Nat. Commun. 14, 5210 (2023).

    Article  CAS  Google Scholar 

  • Shen, L., Yang, J., Liu, G., Avdeev, M. & Yao, X. High ionic conductivity and dendrite-resistant NASICON solid electrolyte for all-solid-state sodium batteries. Mater. Today Energy 20, 100691 (2021).

    Article  CAS  Google Scholar 

  • Xun, B. et al. High-conductivity, low-temperature sintering-compatible NASICON solid electrolyte for enhanced compositing with hard carbon electrode in all-solid-state batteries. J. Mater. Chem. A 13, 1766–1771 (2025).

    Article  Google Scholar 

  • Marvila, M. T. et al. in Characterization of Minerals, Metals, and Materials (eds. Li, J. et al.) 419–427 (Springer International, 2020).

  • Jacobson, N. S., Smialek, J. L. & Fox, D. S. Corrosion of advanced ceramics: measurement and modelling. In Proc. NATO Advanced Research Workshop on Corrosion of Advanced Ceramics (ed. Nickel, K. G.) 205–222 (Springer, 1994).

  • Jouenne, S. Polymer flooding in high temperature, high salinity conditions: selection of polymer type and polymer chemistry, thermal stability. J. Petrol. Sci. Eng. 195, 107545 (2020).

    Article  CAS  Google Scholar 

  • Sarquez Bernal, J. R. F., Hincapie R, R. E., Clemens, T. & Schumi, B. Long-term polymer degradation in high pH solutions and polymer effect on alkali–oil phases. 81st European Association of Geoscientists & Engineers (EAGE) Conf. Exhib. https://doi.org/10.3997/2214-4609.201900158 (EAGE, 2019).

  • Liu, K., Liu, P. & Du, J. Effects of pH on polyacrylamide polymers in chemical degradation: a review. J. Phys. Conf. Ser. 2834, 012182 (2024).

    Article  CAS  Google Scholar 

  • Wi, T.-U. et al. Chemical stability and degradation mechanism of solid electrolytes/aqueous media at a steady state for long-lasting sodium batteries. Chem. Mater. 33, 126–135 (2021).

    Article  CAS  Google Scholar 

  • Zhang, M. et al. Research on Li+/Na+ selectivity of NASICON-type solid-state ion conductors by first-principles calculations. Energy Fuels 37, 10663–10672 (2023).

    Article  CAS  Google Scholar 

  • Iordache, M. et al. Assessing the efficacy of seawater batteries using NASICON solid electrolyte. Appl. Sci. 15, 3469 (2025).

    Article  CAS  Google Scholar 

  • Go, W., Kim, J., Pyo, J., Wolfenstine, J. B. & Kim, Y. Investigation on the structure and properties of Na3.1Zr1.55Si2.3P0.7O11 as a solid electrolyte and its application in a seawater battery. ACS Appl. Mater. Interf. 13, 52727–52735 (2021).

    Article  CAS  Google Scholar 

  • Turner, D. R. & Whitfield, M. Control of seawater composition. Nature 281, 468–469 (1979).

    Article  CAS  Google Scholar 

  • Wolfenstine, J., Go, W., Kim, Y. & Sakamoto, J. Mechanical properties of NaSICON: a brief review. Ionics 29, 1–8 (2023).

    Article  CAS  Google Scholar 

  • Deng, Z. et al. Phase behavior in rhombohedral NaSiCON electrolytes and electrodes. Chem. Mater. 32, 7908–7920 (2020).

    Article  CAS  Google Scholar 

  • Wang, X., Chen, J., Wang, D. & Mao, Z. Improving the alkali metal electrode/inorganic solid electrolyte contact via room-temperature ultrasound solid welding. Nat. Commun. 12, 7109 (2021).

    Article  CAS  Google Scholar 

  • Gao, Z. et al. Stabilizing Na3Zr2Si2PO12/Na interfacial performance by introducing a clean and Na-deficient surface. Chem. Mater. 32, 3970–3979 (2020).

    Article  CAS  Google Scholar 

  • Jeong, D.-H. et al. Advanced 1D SWCNT-interwoven hybrid electrode architecture for enhanced electrochemical performance in Na–seawater batteries. J. Mater. Chem. A 13, 4367–4379 (2025).

    Article  CAS  Google Scholar 

  • Ryu, J. H. et al. Carbothermal shock-induced bifunctional Pt–Co alloy electrocatalysts for high-performance seawater batteries. Energy Storage Mater. 45, 281–290 (2022).

    Article  Google Scholar 

  • Park, J., Park, J.-S., Senthilkumar, S. T. & Kim, Y. Hybridization of cathode electrochemistry in a rechargeable seawater battery: toward performance enhancement. J. Power Sources 450, 227600 (2020).

    Article  CAS  Google Scholar 

  • Suh, D. H. et al. Hierarchically structured graphene–carbon nanotube–cobalt hybrid electrocatalyst for seawater battery. J. Power Sources 372, 31–37 (2017).

    Article  CAS  Google Scholar 

  • Manikandan, P., Kishor, K., Han, J. & Kim, Y. Advanced perspective on the synchronized bifunctional activities of P2-type materials to implement an interconnected voltage profile for seawater batteries. J. Mater. Chem. A 6, 11012–11021 (2018).

    Article  CAS  Google Scholar 

  • Wang, J. et al. Quantitative kinetic analysis on oxygen reduction reaction: a perspective. Nano Mater. Sci. 3, 313–318 (2021).

    Article  CAS  Google Scholar 

  • Brandes, B. A., Krishnan, Y., Buchauer, F. L., Hansen, H. A. & Hjelm, J. Unifying the ORR and OER with surface oxygen and extracting their intrinsic activities on platinum. Nat. Commun. 15, 7336 (2024).

    Article  CAS  Google Scholar 

  • Xu, Y. et al. Flow accelerated corrosion and erosion–corrosion behavior of marine carbon steel in natural seawater. npj Mater. Degrad. 5, 56 (2021).

    Article  CAS  Google Scholar 

  • Baek, M. J. et al. Strong interfacial energetics between catalysts and current collectors in aqueous sodium–air batteries. J. Mater. Chem. A 10, 4601–4610 (2022).

    Article  CAS  Google Scholar 

  • Cho, Y. et al. Prevention of carbon corrosion by TiC formation on Ti current collector in seawater batteries. Adv. Funct. Mater. 33, 2213853 (2023).

    Article  CAS  Google Scholar 

  • Lee, W. et al. Identifying the mechanism and impact of parasitic reactions occurring in carbonaceous seawater battery cathodes. J. Mater. Chem. A 8, 9185–9193 (2020).

    Article  CAS  Google Scholar 

  • Senthilkumar, S. T. et al. Seawater battery performance enhancement enabled by a defect/edge-rich, oxygen self-doped porous carbon electrocatalyst. J. Mater. Chem. A 5, 14174–14181 (2017).

    Article  CAS  Google Scholar 

  • Ban, X., Wang, K., Lu, Y. & Xu, H. Nitrogen-doped modification of carbon fiber cathode with aniline for oxygen reduction catalysis in dissolved oxygen seawater battery. J. Fuel Chem. Technol. 53, 1183–1190 (2025).

    Article  CAS  Google Scholar 

  • Hong, J. H. et al. N-doped carbonized lignin for electrocatalysts in seawater batteries. Chem. Eng. J. 505, 159219 (2025).

    Article  CAS  Google Scholar 

  • Yang, H.-S. et al. Facile in situ synthesis of dual-heteroatom-doped high-rate capability carbon anode for rechargeable seawater-batteries. Carbon 189, 251–264 (2022).

    Article  CAS  Google Scholar 

  • Kim, S., Kim, D., Kim, Y. & Park, J. MnO2 as bifunctional oxygen electrocatalyst with pseudocapacitive behavior for high-power rechargeable seawater batteries. J. Energy Storage 106, 114805 (2025).

    Article  CAS  Google Scholar 

  • González-García, J. et al. Characterization of a carbon felt electrode: structural and physical properties. J. Mater. Chem. 9, 419–426 (1999).

    Article  Google Scholar 

  • Barranco, J. E. et al. Analysis of the electrochemical performance of carbon felt electrodes for vanadium redox flow batteries. Electrochim. Acta 470, 143281 (2023).

    Article  CAS  Google Scholar 

  • Lee, S. et al. Unravelling the impact of electroconductivity on metal plating position in redox-active electrolytes. Energy Storage Mater. 72, 103743 (2024).

    Article  Google Scholar 

  • Jung, J., Hwang, D. Y., Kristanto, I., Kwak, S. K. & Kang, S. J. Deterministic growth of a sodium metal anode on a pre-patterned current collector for highly rechargeable seawater batteries. J. Mater. Chem. A 7, 9773–9781 (2019).

    Article  CAS  Google Scholar 

  • Kim, Y., Hwang, S. M., Yu, H. & Kim, Y. High energy density rechargeable metal-free seawater batteries: a phosphorus/carbon composite as a promising anode material. J. Mater. Chem. A 6, 3046–3054 (2018).

    Article  CAS  Google Scholar 

  • Kim, Y. et al. Redox-mediated red-phosphorous semi-liquid anode enabling metal-free rechargeable Na–seawater batteries with high energy density. Adv. Energy Mater. 11, 2102061 (2021).

    Article  CAS  Google Scholar 

  • Kim, D. et al. Redox-targeting semi-liquid electrode with hard carbon for high-energy-density seawater batteries. J. Power Sources 625, 235671 (2025).

    Article  CAS  Google Scholar 

  • Kim, D. et al. Redox-mediated pyrene electrolytes for enhancing the reversibility of vertically arranged tin electrodes in seawater batteries. Small 21, 2409509 (2025).

    Article  CAS  Google Scholar 

  • Kim, Y. et al. Sodium biphenyl as anolyte for sodium–seawater batteries. Adv. Funct. Mater. 30, 2001249 (2020).

    Article  CAS  Google Scholar 

  • Jung, Y. et al. Reversible Na plating/stripping with high areal capacity using an electroconductive liquid electrolyte system. ACS Appl. Mater. Interf. 15, 43656–43666 (2023).

    Article  CAS  Google Scholar 

  • Yu, P. et al. Recent progress in plant-derived hard carbon anode materials for sodium-ion batteries: a review. Rare Met. 39, 1019–1033 (2020).

    Article  CAS  Google Scholar 

  • Wang, K. et al. Low-cost and high-performance hard carbon anode materials for sodium-ion batteries. ACS Omega 2, 1687–1695 (2017).

    Article  CAS  Google Scholar 

  • Bommier, C. et al. Predicting capacity of hard carbon anodes in sodium-ion batteries using porosity measurements. Carbon 76, 165–174 (2014).

    Article  CAS  Google Scholar 

  • Jung, Y. et al. Vertically arranged electrode structures with high energy density for seawater batteries. J. Power Sources 592, 233960 (2024).

    Article  CAS  Google Scholar 

  • Kuang, Y., Chen, C., Kirsch, D. & Hu, L. Thick electrode batteries: principles, opportunities, and challenges. Adv. Energy Mater. 9, 1901457 (2019).

    Article  Google Scholar 

  • Zheng, J. et al. Strategies and challenge of thick electrodes for energy storage: a review. Batteries 9, 151 (2023).

    Article  CAS  Google Scholar 

  • Kim, H. et al. Metal-free hybrid seawater fuel cell with an ether-based electrolyte. J. Mater. Chem. A 2, 19584–19588 (2014).

    Article  CAS  Google Scholar 

  • Jiang, S. et al. A comprehensive review on the synthesis and applications of ion exchange membranes. Chemosphere 282, 130817 (2021).

    Article  CAS  Google Scholar 

  • Malik, M. et al. Review on the synthesis of LiNixMnyCo1-x-yO2 (NMC) cathodes for lithium-ion batteries. Mater. Today Energy 28, 101066 (2022).

    Article  CAS  Google Scholar 

  • Bordes, M., Davies, P. & Cognard, J.-Y. Prediction of long term strength of adhesively bonded steel/epoxy joints in sea water. Int. J. Adhes. Adhesives 29, 595–608 (2009).

    Article  CAS  Google Scholar 

  • Xian, G. et al. Degradation of an underwater epoxy adhesive and its bonding to steel subjected to water or seawater immersion. Int. J. Adhes. Adhesives 132, 103711 (2024).

    Article  CAS  Google Scholar 

  • Kim, S. et al. Influence of organic matter on seawater battery desalination performance. Desalination 568, 117024 (2023).

    Article  CAS  Google Scholar 

  • Koo, S. et al. Sea-water battery for maritime applications. Conf. Global Oceans 2020 https://doi.org/10.1109/IEEECONF38699.2020.9389130 (IEEE, 2020).

  • Seh, Z. W. et al. A highly reversible room-temperature sodium metal anode. ACS Cent. Sci. 1, 449–455 (2015).

    Article  CAS  Google Scholar 

  • Wang, C. et al. Extending the low-temperature operation of sodium metal batteries combining linear and cyclic ether-based electrolyte solutions. Nat. Commun. 13, 4934 (2022).

    Article  CAS  Google Scholar 

  • Weimer, L., Braun, T. & von Hemdt, A. Design of a systematic value chain for lithium-ion batteries from the raw material perspective. Resour. Policy 64, 101473 (2019).

    Article  Google Scholar 

  • Jeong, K.-P. & Kim, J. G. Lead–acid battery recycling and material flow analysis of lead in Korea. J. Mater. Cycles Waste Manag. 20, 1348–1354 (2018).

    Article  CAS  Google Scholar 

  • Wood, D. L., Li, J. & Daniel, C. Prospects for reducing the processing cost of lithium-ion batteries. J. Power Sources 275, 234–242 (2015).

    Article  CAS  Google Scholar 

  • Anuphappharadorn, S., Sukchai, S., Sirisamphanwong, C. & Ketjoy, N. Comparison the economic analysis of the battery between lithium-ion and lead–acid in PV stand-alone application. Energy Proc. 56, 352–358 (2014).

    Article  Google Scholar 

  • Becker, H. et al. Impact of impurities on water electrolysis: a review. Sustain. Energy Fuels 7, 1565–1603 (2023).

    Article  CAS  Google Scholar 

  • Cao, C. et al. Important factors for reliable and reproducible preparation of non-aqueous electrolyte solutions for lithium batteries. Commun. Mater. 4, 31 (2023).

    Article  Google Scholar 

  • Ha, J. et al. Effects of water concentration in LiPF6-based electrolytes on the formation of the solid electrolyte interphase on silicon anodes. ACS Appl. Mater. Interf. 12, 38404–38417 (2020).

    Article  Google Scholar 

  • Romero, A. F. et al. Effect on water consumption by metallic impurities into electrolyte of lead–acid batteries. J. Energy Storage 42, 103025 (2021).

    Article  Google Scholar 

  • Kim, N., Jeong, S., Go, W. & Kim, Y. A Na+ ion-selective desalination system utilizing a NASICON ceramic membrane. Water Res. 215, 118250 (2022).

    Article  CAS  Google Scholar 

  • Kim, N. et al. Continuous desalination and high-density energy storage: Na metal hybrid redox flow desalination battery. Chem. Eng. J. 479, 147628 (2024).

    Article  CAS  Google Scholar 

  • Jeong, S., Jo, Y., Kim, N., Kim, Y. & An, K. Ion-exchange desalination battery with reversible chloride capture. ACS Energy Lett. 9, 2782–2789 (2024).

    Article  CAS  Google Scholar 

  • Kim, S., Kim, N., Kim, Y., Park, S. & Cho, K. H. Optimization of a redox flow battery desalination system: experiment and modeling. J. Water Process. Eng. 64, 105597 (2024).

    Article  Google Scholar 

  • Qasim, M., Badrelzaman, M., Darwish, N. N., Darwish, N. A. & Hilal, N. Reverse osmosis desalination: a state-of-the-art review. Desalination 459, 59–104 (2019).

    Article  CAS  Google Scholar 

  • Greenlee, L. F., Lawler, D. F., Freeman, B. D., Marrot, B. & Moulin, P. Reverse osmosis desalination: water sources, technology, and today’s challenges. Water Res. 43, 2317–2348 (2009).

    Article  CAS  Google Scholar 

  • Ghaffour, N., Missimer, T. M. & Amy, G. L. Technical review and evaluation of the economics of water desalination: current and future challenges for better water supply sustainability. Desalination 309, 197–207 (2013).

    Article  CAS  Google Scholar 

  • Cao, T. N.-D. et al. Unraveling the potential of electrochemical pH-swing processes for carbon dioxide capture and utilization. Ind. Eng. Chem. Res. 62, 20979–20995 (2023).

    Article  CAS  Google Scholar 

  • Ahmed, A., Guo, S., Zhang, Z., Shi, C. & Zhu, D. A review on durability of fiber reinforced polymer (FRP) bars reinforced seawater sea sand concrete. Constr. Build. Mater. 256, 119484 (2020).

    Article  CAS  Google Scholar 

  • Ferrini, V., De Vito, C. & Mignardi, S. Synthesis of nesquehonite by reaction of gaseous CO2 with Mg chloride solution: its potential role in the sequestration of carbon dioxide. J. Hazard. Mater. 168, 832–837 (2009).

    Article  CAS  Google Scholar 

  • Farhang, F. et al. Experimental study on the precipitation of magnesite from thermally activated serpentine for CO2 sequestration. Chem. Eng. J. 303, 439–449 (2016).

    Article  CAS  Google Scholar 

  • Chang, R. et al. Calcium carbonate precipitation for CO2 storage and utilization: a review of the carbonate crystallization and polymorphism. Front. Energy Res. 5, 17 (2017).

    Article  Google Scholar 

  • Keith, D. W., Holmes, G., St. Angelo, D. & Heidel, K. A process for capturing CO2 from the atmosphere. Joule 2, 1573–1594 (2018).

    Article  CAS  Google Scholar 

  • Park, J.-S., Kim, S., Choi, Y., Harzandi, A. M. & Kim, Y. Disinfection–dechlorination battery for safe water production. ACS ES&T Water 1, 2146–2154 (2021).

    Article  CAS  Google Scholar 

  • Wang, T. X. & Margerum, D. W. Kinetics of reversible chlorine hydrolysis: temperature dependence and general-acid/base-assisted mechanisms. Inorg. Chem. 33, 1050–1055 (1994).

    Article  CAS  Google Scholar 

  • Cherney, D. P., Duirk, S. E., Tarr, J. C. & Collette, T. W. Monitoring the speciation of aqueous free chlorine from pH 1 to 12 with Raman spectroscopy to determine the identity of the potent low-pH oxidant. Appl. Spectrosc. 60, 764–772 (2006).

    Article  CAS  Google Scholar 

  • Franco, F., Prior, J., Velizarov, S. & Mendes, A. A systematic performance history analysis of a chlor-alkali membrane electrolyser under industrial operating conditions. Appl. Sci. 9, 284 (2019).

    Article  CAS  Google Scholar 

  • Millero, F. J., Feistel, R., Wright, D. G. & McDougall, T. J. The composition of standard seawater and the definition of the reference-composition salinity scale. Deep Sea Res. I 55, 50–72 (2008).

    Article  Google Scholar 

  • Guidelines for drinking-water quality: Fourth edition incorporating the first and second addenda. World Health Organization https://www.who.int/publications/i/item/9789240045064 (2022).

  • Holmes, S. (ed.) South African water quality guidelines: industrial use. 2nd edn, Vol. 3 Department of Water Affairs and Forestry https://www.dws.gov.za/iwqs/wq_guide/Pol_saWQguideMARINEIndustrialusevol3.pdf (1996).

  • Shannon, M. C. & Grieve, C. M. Tolerance of vegetable crops to salinity. Sci. Hortic. 78, 5–38 (1998).

    Article  Google Scholar 

  • Hasvold, Ø. et al. Sea-water battery for subsea control systems. J. Power Sources 65, 253–261 (1997).

    Article  CAS  Google Scholar 

  • Michelson, J. et al. Modeling of a bubble column for CO2 removal by absorption with NaOH. Chem. Eng. Commun. 211, 571–581 (2024).

    Article  CAS  Google Scholar 

  • Soeherman, J. K., Jones, A. J. & Dauenhauer, P. J. Overcoming the entropy penalty of direct air capture for efficient gigatonne removal of carbon dioxide. ACS Eng. Au 3, 114–127 (2023).

    Article  CAS  Google Scholar 

  • Ito, H. & Manabe, A. in Electrochemical Power Sources: Fundamentals, Systems, and Applications (eds Smolinka, T. & Garche, J.) 281–304 (Elsevier, 2022).

  • Wang, L., Violet, C., DuChanois, R. M. & Elimelech, M. Derivation of the theoretical minimum energy of separation of desalination processes. J. Chem. Educ. 97, 4361–4369 (2020).

    Article  CAS  Google Scholar 

  • Roberts, D. A., Johnston, E. L. & Knott, N. A. Impacts of desalination plant discharges on the marine environment: a critical review of published studies. Water Res. 44, 5117–5128 (2010).

    Article  CAS  Google Scholar