Dry cell
part · 1886 · Electric age
A battery with a paste electrolyte (Gassner).
Principles and materials it uses
- Electrochemical reaction — uses. A chemical source of current.
- Zinc — is made of. A zinc can.
Where it is used
- Torch (flashlight) — is part of. Batteries.
- Transistor radio — is part of. Batteries.
History: what it evolved from and what it influenced
- Voltaic pile — evolved from. A convenient form of the galvanic cell.
- Alkaline battery — evolved into. An improved zinc–manganese cell.