Anode (graphite) and dewar flask: what they have in common

1. Step 1. Anode (graphite) — is part of — Fuel cell. An anode with a catalyst for hydrogen.
2. Step 2. Fuel cell — uses — Hydrogen. The fuel is hydrogen.
3. Step 3. Hydrogen — is material for — Ammonia. Hydrogen.
4. Step 4. Ammonia — is made of — Nitrogen. Nitrogen from the air.
5. Step 5. Nitrogen — is material for — Liquid nitrogen. Nitrogen.
6. Step 6. Liquid nitrogen — is used in — Dewar flask. Storage.

Open Evothings