Skip to content
Triumph Horizon
Log in
Batteries glossary

Coulombic efficiency

The share of charge put into a cell that comes back out on discharge. Small losses compound over hundreds of cycles, so even 99.9% efficiency matters for long-life cells.

Used in these articles

Related terms

Electrochemistry and cell basics

Related coverage

Subscribers read the desk company and technology reports on the names it covers, including new reports before they are published on datadeep.tech.