Figure 13
From: Toward Low-Cost All-Organic and Biodegradable Li-Ion Batteries

Long cycling experiment conducted at a constant charge/discharge current of 2 C between 1.0 and 2.5 V versus LTO for an LFP/LTO battery made of 70 mg LFP and LTO; a paper Kodoshi separator is used. Full and empty characters represent charges and discharges, respectively.