# Lithium iron phosphate batteries and Phosphoric acid

Their prices have moved together.

Source page: https://www.materialinsights.org/links/lithium-iron-phosphate-batteries-and-phosphoric-acid/

[Lithium iron phosphate batteries](https://www.materialinsights.org/energy/e_li_lfp/) (energy) and [Phosphoric acid](https://www.materialinsights.org/chemicals/phosphoric_acid/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: growing use

*Cost and price · Moderate · Both ways*

Purified phosphoric acid is used to make lithium iron phosphate battery cathodes, a fast growing demand. The battery index is a broad US price, and shows a weak link: monthly moves correlate at 0.06 and yearly moves at 0.31.

- **0.06** monthly change correlation
- **0.31** 12-month change correlation
- **0.94** fitted elasticity

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