# Iron ore and Metal-air batteries

Metal-air batteries needs iron ore; their prices have moved together.

Source page: https://www.materialinsights.org/links/iron-ore-and-metal-air-batteries/

[Iron ore](https://www.materialinsights.org/commodities/iron_ore/) (commodity) and [Metal-air batteries](https://www.materialinsights.org/energy/e_metal_air/) (energy): 2 relationships.

## How they are linked

### 1. Material need

*Physical flow · Direct · Iron ore → Metal-air batteries*

Building or running Metal-air batteries needs iron ore.

### 2. Price link: iron-air storage

*Cost and price · Weak · Both ways*

Iron-air batteries for multi-day grid storage rust and un-rust iron pellets, aiming at very low cost because iron is cheap. The primary battery proxy cannot reflect this new market, and shows no link, with monthly moves at -0.02.

- **-0.02** monthly change correlation
- **-0.04** 12-month change correlation
- **0.05** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.