PPC {Poly(propylene carbonate)} Granulate as Solid-State Battery Electrolyte, 20-100 g/bottle, CBSSEPPC
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(Poly(propylene carbonate)) (PPC) has emerged as a highly promising polymer matrix for solid-state batteries, particularly as an alternative to the traditional Poly(ethylene oxide) (PEO). While PEO-based systems suffer from poor ionic conductivity at room temperature (requiring heating to 60°C to cross into its amorphous, conductive phase) and a narrow electrochemical stability window (~3.9 V), PPC addresses several of these fundamental limitations.
PPC's backbone contains alternating propylene and carbonate groups. This chemical structure alters how it interacts with metal ions Li+, Na}+) compared to polyethers: (1) Amorphous Nature: Unlike highly crystalline PEO, PPC is inherently amorphous at room temperature. This eliminates the need to operate the battery at elevated temperatures to facilitate ion transport. (2) High Dielectric Constant: The polar carbonate groups (C=O) give PPC a high dielectric constant. This enables excellent dissociation of lithium salts (like LiTFSI) or sodium salts (like NaTFSI), generating a higher concentration of free mobile charge carriers. (3) High Oxidation Stability: The electron-withdrawing nature of the carbonyl group lowers the highest occupied molecular orbital (HOMO) energy level. This gives PEC an expanded electrochemical stability window, typically stable up to 4.5 V to 4.8 V vs. Li/Li+, making it compatible with high-voltage cathodes like NCM811 or ultra-high nickel variants.
| Part Number |
CBSSEPPC (C-BSSE-PPC) |
| CAS |
25511-85-7 |
| Chemical Formula |
(C4H6O3)n  |
| Appearance |
White Granulate |
| Density |
1.42 g/cm3 (Mw= ~50000-200000) |
| Refractive Index |
1.47 |
| Decomposition Temperature |
220℃ |
| Glass Transition Temperature |
0-10 |
| Package Size | 20 g, 50 g, and 100 g/bottle |
Notes: Please try to store the PPC Granulate in a dry place (glovebox is preferred).
References:
- J. Zhang, et al. Safety-Reinforced Poly(Propylene Carbonate)-Based All-Solid-State Polymer Electrolyte for Ambient-Temperature Solid Polymer Lithium Batteries, Adv. Energy Mater., 2015, 5, 1501082
- Z. Zhang, et al. Rationally designed poly(propylene carbonate)-based electrolyte for dendrite-free all solid-state lithium metal batteries, Energy Storage Materials, 2024, 71, 103667
