Figure 7

Charge-discharge profiles of the LFP-0 film (a), LFP-400 film (b), LFP-500 film (c), LFP-600 film (d) and LFP-700 film (e).
Charge-discharge profiles of the LFP-0 film (a), LFP-400 film (b), LFP-500 film (c), LFP-600 film (d) and LFP-700 film (e).