## 1 Introduction
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Components** & **Salt, Plasticizer** & **Solvent** & **T\({}_{\text{g}}\)(\({}^{\circ}\)C)** & \(\sigma\) at RT (S/cm)** & **t\({}^{\star}\)** & **Stability vs.** & **Li\({}^{\star}\)/Li (V) and** & **Reference** \\ \hline \hline \multicolumn{8}{c}{**Silicon-Based**} \\ \hline
**GLYMO, DGEPEG** & LiClO\({}_{4}\) & none & \(-60\) & \(1.2\times 10^{-4}\) & n/a & n/a & [PERSON] [21] \\ \hline
**GLYMO, PEO-MO** & LiClO\({}_{4}\) & H\({}_{2}\)O & n/a & \(\sim\)\(10^{-4}\) & 0.5 & 4.5 \({}^{\star}\) & Boaretto [22] \\ \hline
**GLYMO, PEO** & LiTFSI & toluene & \(-45.5\) & \(5.56\times 10^{-5}\) & n/a & 3.75 & Han [23] \\ \hline
**GLYMO, EDGE** & LiTFSI & ethanol & \(-55\) & \(2.6\times 10^{-5}\) & 0.37 & 4.9, LTO & Vélez [24] \\ \hline
**agarose, GLYMO** & LiTFSI & NMP & n/a & \(2.66\times 10^{-4}\) & 0.39 & 4.9, LFP & Liu [25] \\ \hline
**PDMS, DGEPEG, PEMP** & LiTFSI & ACN & \(-34\) & \(\sim\)\(10^{-6}\) & 0.2 & 5.3 \({}^{\star}\) & [PERSON] [26] \\ \hline
**POSS, PEO-co-PO** & LiTFSI & THF & \(-43\) & \(1.1\times 10^{-4}\) & 0.62 & 5.4, LFP & Hsu [27] \\ \hline
**PPO Jeffamine, DGEPEG** & LiClO\({}_{4}\) & ACN & \(-56\) & \(4\times 10^{-5}\) & n/a & 4.6 \({}^{\star}\) & [PERSON] [28] \\ \hline
**Jeffamine D2000, SG80** & LiClO\({}_{4}\) & acetone & \(-41\) & \(\sim\)\(10^{-7}\) & n/a & n/a & [PERSON] [29] \\ \hline
**Jeffamine D400, DGEPEG** & LiClO\({}_{4}\) & acetone & \(-20\) & \(\sim\)\(10^{-7}\) & n/a & n/a & [PERSON] [30] \\ \hline
**Jeffamine D400, DGEBA, PEG, nano silica** & LiTf & none & \(40\)–\(70\) & \(10^{-6}\)–\(10^{-5}\) & & & \\  & & & & & & \\ \hline
**DDS, DGEPEG** & DDS is lithiated & DMAc & \(40\) & \(10^{-8}\) & n/a & n/a & [PERSON] [32] \\ \hline
**NPEG, TMPEG** & LiTFSI & THF & \(-40\) & \(1.1\times 10^{-4}\) & 0.27 & 5.4 \({}^{\star}\) & [PERSON] [33] \\ \hline
**NPEG, TGIC** & LiTFSI & ACN & \(-44\) & \(1.15\times 10^{-4}\) & 0.32 & 5.1 \({}^{\star}\) & [PERSON] [34] \\ \hline \multicolumn{8}{c}{**Plasticizers and Gel Electrolytes**} \\ \hline
**DGEPEG, DGEBA,** & LiClO\({}_{4}\), PC & none & \(-40\) & \(3.1\times 10^{-5}\) & n/a & n/a & [PERSON] [35] \\ \hline
**PVDF-HFP** & & & & & & & \\
**DGEPEG, DGEB,** & LiPF\({}_{6}\), EC, DMC & acetone & \({}_{\text{H}}\)\({}_{2}\)O & n/a & \(2.3\times 10^{-3}\) & n/a & 4.8 \({}^{\star}\) & [PERSON] [36] \\
**DGEPEG, PEGBA,** & LiGPS & LiTFSI, PC & CH\({}_{3}\)OH & \(-55\) & \(9.2\times 10^{-3}\) & n/a & n/a & [PERSON] [37] \\ \hline
**DGEPEG, PACM** & LiTFSI, PC & none & \(160\) & \(1.0\times 10^{-3}\) & n/a & n/a & [PERSON] [6] \\ \hline
**DGEBA, BDMA** & LiTFSI, SN & none & n/a & \(10^{-2}\) & n/a & n/a & [PERSON] [38] \\ \hline
**YD-128** & LiTFSI, SN & none & n/a & \(10^{-4}\) & n/a & n/a & [PERSON] [39] \\ \hline
**DGEPEG, DGEBA** & LiTFSI, EMImFSI & none & n/a & \(4.3\times 10^{-3}\) & n/a & n/a & [PERSON] [40] \\ \hline
**Jaffamine D400, DGEBA** & OdTPP or DOdIm & none & \(50\) & n/a & n/a & n/a & [PERSON] [41] \\ \hline
**DGEBA, DGEPEG,** & LiTFSI, & & & & & & \\
**METHPA,** & BMIM-TFSI & none & \(96\) & \(2.5\times 10^{-6}\) & n/a & n/a & [PERSON] [42] \\
**Al2O3** & & & & & & & \\ \hline \multicolumn{8}{c}{Note 1: acetonitrile (ACN), tetrahydrofuran (THF), dimethylacetamide (DMAc), N-methyl-2-pyrrolidone (NMP), propylene carbonate (PC), ethylene carbonate (EC), dimethyl carbonate (DMC), succinonitrile (SN); Note 2: lithium bis(trimethanesulfonyl)imide (LiTFSI), lithiumafluoroborate (LiDFOB), lithium trifluoromethanehusulfonate (LiTF), 1-ethyl-3-methylimidazolium bis(fluorosulfonyl)imide, 1-butyl-3-methylimidazolium bis(fluorosulfonyl)imide (BMM-TfSI), octacycl-triphenyl phosphonium iodide (OdTPP), N,N’-octadecyl-imidazolium iodide; Note 3: LiPFo(LFP), Li\({}_{4}\)Ti\({}_{5}\)O\({}_{2}\)(LTO), Ni\({}_{1/3}\)Mn\({}_{1/3}\)Co\({}_{1/3}\)(DMC); Note 4: the symbol \({}^{\star}\) denotes a Li-Li symmetric cell; Note 5: All lithium cation reference numbers reported in Table 1 were measured using the Bruce-Vincent method.