Viscosity & The Development of Battery Technologies

Viscosity plays a critical role in battery slurry performance. Slurries are designed to enhance conductivity by ensuring a uniform coating on cathodes and anodes. Application methods such as slot die or doctor blade rely on a precise and consistent viscosity to achieve optimal layer quality. Because battery slurries are non-Newtonian, measuring viscosity across a wide range of shear rates is essential for accurate process control.

Testing viscosity early and throughout production helps ensure consistent delivery, uniform application, and long-term performance of your batteries. We offer complimentary consultations and professional sample testing to help you verify and optimize the viscosity of your slurries.

Electrolyte solutions must maintain low viscosity while providing sufficient ion mobility to ensure proper battery function. Without regular, precise viscosity testing, achieving this balance is difficult.

Given the high cost and novelty of many electrolyte ingredients, it’s essential to verify performance as early as possible in development. This includes comprehensive testing of various excipient combinations at temperatures as low as –30 °C.

Batteries, particularly those in EVs and large-scale energy storage, face extreme thermal conditions. Since electrolyte viscosity typically increases at lower temperatures, quantifying the viscosity threshold for functional performance is key to ensuring reliability, efficiency, and product satisfaction.