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.
![Electrochemical performance of the rechargeable saltwater battery. (a)... | Download Scientific Diagram Electrochemical performance of the rechargeable saltwater battery. (a)... | Download Scientific Diagram](https://www.researchgate.net/publication/303681050/figure/fig3/AS:696372193918976@1543039477712/Electrochemical-performance-of-the-rechargeable-saltwater-battery-a-Galvanostatic.png)
Electrochemical performance of the rechargeable saltwater battery. (a)... | Download Scientific Diagram
![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
![Saltwater as the energy source for low-cost, safe rechargeable batteries - Journal of Materials Chemistry A (RSC Publishing) DOI:10.1039/C6TA01274D Saltwater as the energy source for low-cost, safe rechargeable batteries - Journal of Materials Chemistry A (RSC Publishing) DOI:10.1039/C6TA01274D](https://pubs.rsc.org/image/article/2016/TA/c6ta01274d/c6ta01274d-f4_hi-res.gif)
Saltwater as the energy source for low-cost, safe rechargeable batteries - Journal of Materials Chemistry A (RSC Publishing) DOI:10.1039/C6TA01274D
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.
![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/c042dd01-21a5-48b2-b718-d47d666a5610/smll202107913-fig-0001-m.jpg)
Dual‐Use of Seawater Batteries for Energy Storage and Water Desalination - Arnold - 2022 - Small - Wiley Online Library
![Challenges and Strategies for High‐Energy Aqueous Electrolyte Rechargeable Batteries - Zhang - 2021 - Angewandte Chemie International Edition - Wiley Online Library Challenges and Strategies for High‐Energy Aqueous Electrolyte Rechargeable Batteries - Zhang - 2021 - Angewandte Chemie International Edition - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/ff81f0fe-698d-46de-bd75-21d7c81d689c/anie202004433-toc-0001-m.jpg)