Description

Polystyrene Sulfonate, Lithium Salt is a synthetic, water-soluble polyelectrolyte derived from the sulfonation of polystyrene. This compound is valued for its high ionic conductivity and excellent film-forming properties, making it a critical functional material in advanced energy storage systems. It is primarily utilized by manufacturers in the battery, specialty polymer, and water treatment industries seeking to enhance product performance and stability.

Application

• Solid Polymer Electrolytes (SPEs): A key component in the development of solid-state lithium-ion batteries, where it acts as a lithium-ion conductor, improving safety and energy density.
• Conductive Binders for Electrodes: Used in lithium-ion battery electrodes to provide both ionic conductivity and binding properties, replacing traditional inert binders to increase active material content.
• Ion-Exchange Membranes: Employed in the fabrication of membranes for electrodialysis, fuel cells, and other electrochemical separation processes due to its selective ion transport.
• Dispersants and Stabilizers: Functions as a polyelectrolyte dispersant in aqueous systems for pigments, ceramics, and other industrial suspensions.
• Research & Development: Serves as a model polyelectrolyte or precursor material in academic and industrial R&D for studying ionic interactions and polymer behavior.

Basic Information

Product Name	Polystyrene Sulfonate, Lithium Salt
CAS No.	9016-91-5
Molecular Formula	(C8H7SO3Li)n
Molecular Weight	Variable (Polymer)
Synonyms	Lithium Polystyrene Sulfonate; PSSLi; Poly(sodium 4-styrenesulfonate) lithium salt; Poly(styrenesulfonic acid) lithium salt; Lithium PSS; LiPSS; Poly(4-styrenesulfonic acid) lithium solution; 4-Styrenesulfonic acid homopolymer lithium salt
EINECS	Contact for details

Quality Control

Our Polystyrene Sulfonate, Lithium Salt is manufactured under a stringent quality management system. Each batch is characterized for critical parameters including molecular weight distribution, degree of sulfonation, lithium content, and ionic conductivity to ensure batch-to-batch consistency for your advanced applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere such as argon or nitrogen for long-term stability. Minimize exposure to air and moisture during handling to prevent clumping and property degradation.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Lithium Content	Contact for details
Sulfur Content	Contact for details
Degree of Sulfonation	> 90%
Molecular Weight (Mw)	70,000 / 200,000 / 1,000,000 (Customizable)
Polydispersity Index (PDI)	< 2.5
Moisture (KF)	< 5.0 %
Residual Solvents (GC)	Meets ICH guidelines
Ionic Conductivity	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.