Page 630 - Handbook of Battery Materials

604 17 Liquid Nonaqueous Electrolytes

Table 17.18 Transference numbers of various lithium elec-
trolytes measured by several methods.

System Concentration Method t Li+ References

LiBr and Al 2 Br 6 in toluene Al 2 Br 6 :LiBr = 1.25 Hittorf 0.53 [444]
LiCl in DMF Infinite dilution Hittorf 0.295 [446]
LiPF 6 in GBL 0.1–0.75 M NMR 0.34–0.35 [454]
LiBF 4 in GBL 0.1–0.75 M – 0.36–0.40 –
LiBOB in GBL 0.1–0.75 M – 0.40–0.43 –
a
LiTFSI in GBL 0.1–0.75 M – 0.40 –
LiSO 3 CF 3 in GBL 0.1–0.75 M – 0.40–0.45 –
LiPF 6 in EC/EMC (2/8) 0.02–1.5 M NMR 0.37–0.42 [455]
LiN(SO 2 CF 3 ) 2 in EC/EMC (2/8) 0.02–1.0 M – 0.42–0.48 –
LiBF 4 in EC/EMC (2/8) 0.02–1.0 M – 0.35–0.49 –
LiPF 6 in EC/EMC (1/1) – emf 0.38 [468]
LiPF 6 in PC – – 0.38 –
LiClO 4 in EC/PC 1 M Bruce/Vincent 0.57 [469]
LiTFSI-BEPyTFSI b 0.1mol·kg −1 Bruce/Vincent 0.4 [128]
LiAsF 6 in sulfolane 0.1, 1.0 M Impedance 0.41, 0.70 [453]
LiSO 3 CF 3 in sulfolane 1.0 M – 0.53 –
LiAsF 6 in sulfolane/DME (1/1) 1.0 M – 0.32 –
LiTFSI-BMPTFSI c 2.65/1 NMR 0.13 [411]
LiTFSI in PC Solvent/salt = 1/20 NMR 0.38 [470]
LiTFSI in EC Solvent/salt = 1/20 – 0.40 –
LiTFSI in DMC Solvent/salt = 1/20 – 0.49 –
LiPF 6 in EC/DMC (1/1) 1.0 M Bruce/Vincent 0.21 [471]
LiClO 4 in PC/DMC (1/1) 1.0 M – 0.34 –
LiBF 4 in PC/DMC (1/1) 1.0 M – 0.29 –
LiClO 4 in PC Infinite solution emf 0.28 [473]
LiClO 4 in PC 0.012 M Bruce/Vincent 0.29 [451]
LiClO 4 in AN 0.055 M – 0.39 –
LiPF 6 in EC/EMC (3/7) 0.2–2.2 M Newman 0.37−0.22 [474]
LiPF 6 in PC 0.1–1 M Bruce/Vincent 0.28−0.078 [476]
LiPF 6 in EC/PC (1/1) 0.1–1 M – 0.16–0.24 –
LiPF 6 in EC/PC/DMC (2/1/1) 0.1–1 M – 0.013–0.18 –
LiCF3COO in GBL 0.2mol·kg −1 NMR 0.51 [477]
LiTFSI in GBL 0.2mol·kg −1 – 0.37 –
LiPF 6 in EC/PC/DMC (2.7/1/6.3) 1–2.2 M Newman 0.37–0.40 [478]
d
LiBPFPB in DME 0.5 M NMR 0.57 [110]
LiBPFPB in PC 0.5 M – 0.53 –
LiPF 6 in PC 0.25 M Bruce/Vincent 0.557 [456]
LiPF 6 in PC 1.5 M – 0.37 –
LiPF 6 in PC 0.25 M NMR 0.33 –
LiPF 6 in PC 1.5 M – 0.50 –
Transference numbers in literature are not linear with concentration.
a LiTFSI: LiN(SO 2 CF 3 )2 lithium bis(trifluoromethanesulfonyl)imide.
b BEPyTFSI: N-n-butyl-N-ethylpyrrolidinium bis(trifluoromethanesulfonyl)imide.
c
BMPTFSI: Butylmethylpyrrolidinium bis(trifluoromethanesulfonyl)imide.
d LiBPFPB: lithium bis(perfluoropinacolato)borate.