Table 2. Typical Component Masses of an 18,650 Cell.
| mass
(g) |
|||
|---|---|---|---|
| component | composition | graphite | CMF |
| cathode coating | LFP | 9.66 | 9.66 |
| anode coating | graphite or CMF | 5.18 | 4.05 |
| cathode current collector | aluminum | 2.14 | 2.14 |
| anode current collector | copper | 3.86 | 0 |
| electrolyte | Li salt in a carbonate mixture | 6.41 | 6.41 |
| separator | polypropylene/polyethylene | 1.15 | 1.15 |
| cell casing | stainless steel | 10.45 | 10.45 |
| total cell mass (and energy density) | 38.85 | 33.86 (70 Wh·kg–1)a | |
a
It is the energy density calculated based on the specific capacity obtained at a C/5 rate.