Brief overview of electrochemical potential in lithium ion batteries
Gao Jian1, 2, Shi Si-Qi3, 2, Li Hong1, †,
       

(a) About 450 phosphate compounds, from those in Fig. 12, were used to data-mine the voltage range over which different cations can be oxidized by Li removal.[40](b) Mean voltage in phosphates versus maximum gravimetric capacity achievable.[54]