> For the complete documentation index, see [llms.txt](https://docs.materialsproject.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app/background.md).

# Background

## Components

### Search

You can search using the periodic table to select different elements you would like in your Pourbaix diagram. You can select up to 4 elements to build the Pourbaix diagram.

![](https://2369879881-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MhdHkeirg8PPHDHWitE%2Fuploads%2Fgit-blob-cbb54f4dc24309baf20f60115dbb7df0a6c103c8%2FScreen%20Shot%202022-07-14%20at%201.48.54%20PM.png?alt=media)

### Advanced Options

Several advanced opttions are available. You can filter solids, display a heatmap, or change the composition.

![](https://2369879881-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MhdHkeirg8PPHDHWitE%2Fuploads%2Fgit-blob-44ae72c7afded3cb51f85c8bf0c5cb2b15d4c196%2FScreen%20Shot%202022-07-14%20at%201.50.12%20PM.png?alt=media)

### Pourbaix Diagram Viewer

![](https://2369879881-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MhdHkeirg8PPHDHWitE%2Fuploads%2Fgit-blob-b23fb1d57d1db7ab8f34e57095816a7bf74ac041%2FScreen%20Shot%202022-07-14%20at%201.52.43%20PM.png?alt=media)

### Citations

To cite the Pourbaix Diagram App on Materials Project, please include the main Materials Project citation, as well as the references below:

Patel, Anjli and Norskov, Jens and Persson, Kristin and Montoya, Joseph. *Efficient Pourbaix diagrams of many-element compounds*, Physical Chemistry Chemical Physics 45 (2019)

Singh, Arunima and Zhou, Lan and Shinde, Aniketa and Suram, Santosh and Montoya, Joseph and Winston, Donald and Gregoire, John and Persson, Kristin. *Electrochemical Stability of Metastable Materials*, Chemistry of Materials 29 (2017)

Persson, Kristin and Waldwick, Bryn and Lazic, Predrag and Ceder, Gerbrand. *Prediction of solid-aqueous equilibria: Scheme to combine first-principles calculations of solids with experimental aqueous states*, Physical Review B 85 (2012)