# Energy in buildings and Metal-air batteries

Energy flows from metal-air batteries to energy in buildings.

Source page: https://www.materialinsights.org/links/energy-in-buildings-and-metal-air-batteries/

[Energy in buildings](https://www.materialinsights.org/energy/e_buildings/) (energy) and [Metal-air batteries](https://www.materialinsights.org/energy/e_metal_air/) (energy): 1 relationship.

## How they are linked

### 1. Energy flow

*Physical flow · Direct · Metal-air batteries → Energy in buildings*

Zinc-air button cells power hearing aids.

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