Table 1.

Properties of a range glyme-lithium salt mixtures.

Glyme-Li+ salt mixture	Tm (°C)	ρ (g cm−3)
[Li(G3)]TFSI	23	1.42
[Li(G3)]FSI	56	1.36
[Li(G3)]OTf*	35	1.30
[Li(G3)]${\text{NO}}_3^{*}$	27	1.18
[Li(G3)]TFA*	n.d.	1.20
[Li(G4)]TFSI	n.d.	1.40
[Li(G4)]CTFSI	28	1.40
[Li(G4)]FSI	23	1.32
[Li(G4)]BETI	23	1.46
[Li(G4)]ClO4	28	1.27
[Li(G4)]BF4	39	1.22
[Li(G4)]${\text{NO}}_3^{*}$	n.d.	1.17
[Li(G4)]TFA*	n.d.	1.19

Entries in bold are those most relevant to this review.

^*denotes concentrated solutions, not solvate ILs. TFSI, bis(trifluormethansulfonyl)imide; FSI, bis(fluorosulfonyl)imide; OTf, trifluoromethylsulfonate; NO₃, nitrate; TFA, trifluoroacetate; CTFSI, cyclic-TFSI derivative 1,2,3-dithiazolidine-4,4,5,5-tetrafluoro-1,1,3,3-tetraoxide; BETI, bis(pentafluoroethanesulfonyl)imide; ClO₄, perchlorate; BF₄, tetrafluoroborate; Adapted from Ueno et al. (2012).