Why are salt water batteries not used more to generate electricity on a larger scale? Putting 2 metal electrodes in salt water (like an ocean or sea?) seems so simple and inexpensive.
![Energy storage with salt water battery: A preliminary design and economic assessment - ScienceDirect Energy storage with salt water battery: A preliminary design and economic assessment - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2352152X19301409-gr1.jpg)
Energy storage with salt water battery: A preliminary design and economic assessment - ScienceDirect
![Dual‐Use of Seawater Batteries for Energy Storage and Water Desalination - Arnold - 2022 - Small - Wiley Online Library Dual‐Use of Seawater Batteries for Energy Storage and Water Desalination - Arnold - 2022 - Small - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/cdba3e4c-3f1e-48e7-8cf6-e4504a797290/smll202107913-fig-0005-m.jpg)
Dual‐Use of Seawater Batteries for Energy Storage and Water Desalination - Arnold - 2022 - Small - Wiley Online Library
![What are the advantages and disadvantages of the different types of battery designs? - Caprica Solar | Solar Combos, Solar Repairs and Loadshedding Solutions What are the advantages and disadvantages of the different types of battery designs? - Caprica Solar | Solar Combos, Solar Repairs and Loadshedding Solutions](https://capricasolar.co.za/wp-content/uploads/2015/03/FIAAM.jpg)
What are the advantages and disadvantages of the different types of battery designs? - Caprica Solar | Solar Combos, Solar Repairs and Loadshedding Solutions
![Swedish school installs saltwater battery, highlights environmental benefits – pv magazine International Swedish school installs saltwater battery, highlights environmental benefits – pv magazine International](https://www.pv-magazine.com/wp-content/uploads/2018/08/Tiundaskolan_opening-1200x900.jpg)