PP13TFSI (1-Methyl-1-Propylpiperidinium Bis(trifluoromethylsulfonyl)imide, >99.9%) Ionic Liquid as Battery Electrolyte Solvent, 25-100 g/bottle, CBESPP13TFSI

PP13TFSI (1-Methyl-1-methylpiperidinium bis(trifluoromethylsulfonyl)imide, also called PI13TFSI) is a popular and widely studied example of an ionic liquid (IL) used as an electrolyte component in various electrochemical devices, particularly batteries and supercapacitors. It serves as the high-stability, non-flammable solvent into which a mobile metal salt is dissolved (e.g., LiTFSI, NaTFSI, or KTFSI) to create the working electrolyte.

The key physicochemical & electrochemical characteristics of PP13TFSI are: (1) Exceptional Cathodic Stability & Reduction Resistance: The N-methyl-N-propylpiperidinium cation exhibits outstanding stability against reductive decomposition. The larger 6-membered saturated ring structure makes it exceptionally robust against reduction at negative potentials, allowing for stable long-term operation with carbonaceous anodes or alkali metal anodes. (2) Broad Electrochemical Window: Combined with the oxidation-resistant TFSI anion, PP13TFSI boasts a very wide electrochemical stability window (spanning up to ~ 5.5-6.0 V vs. Li/Li+). This makes it highly resilient against high-potential cathode surfaces, such as high-voltage olivines (LiMn{1-x}Fex{PO}4) or high-nickel layered oxides. (3) High Thermal & Chemical Stability: As a quaternary ammonium-type ionic liquid, it is non-flammable, possesses negligible vapor pressure, and maintains thermal stability well above 300°C, drastically reducing safety hazards associated with volatile organic carbonates.

Part Number	CBESPP13TFSI (C-BES-PP13TFSI)
CAS	608140-12-1
Chemical Formula	C11H20F6N2O4S2
Appearance	Colorless liquid
Purity	>99.9% (Battery Grade)
Molecular Weight	422.41 g/mol
Density	1.412 g/cm3
Package Size	25 g, 50 g, and 100 g/bottle

Notes: Please try to store the PP13TFSI liquid in a dry place (dryroom or glovebox is preferred). 

References: 

1. H. Sakaebe, et al. N-Methyl-N-propylpiperidinium bis(trifluoromethanesulfonyl)imide (PP13–TFSI) – novel electrolyte base for Li battery, Electrochemistry Communications, 2003, 5, 594-598.
2. Y. An, et al. The effects of LiBOB additive for stable SEI formation of PP13TFSI-organic mixed electrolyte in lithium ion batteries, Electrochimica Acta, 2011, 56, 4841-4848.