en.Wedoany.com Reported - Waters Corporation has introduced a TA Instruments coin cell differential scanning calorimeter (DSC) designed specifically for battery scientists. This device enables direct testing of fully assembled coin cells, eliminating time-consuming sample preparation steps and providing a new tool for battery safety testing.

The instrument integrates heat flow, evolved gas, and electrochemical analysis capabilities, capturing multidimensional data in a single experiment to help researchers identify thermal runaway earlier. It eliminates the need for battery disassembly, and its unique full-cell design reduces sample preparation time by over 90%. Additionally, its temperature range spans from -80°C to 600°C, making it suitable for battery development and quality assurance/quality control (QA/QC) processes.

As the only commercially available device of its kind, the coin cell DSC allows researchers to simultaneously obtain thermal data, evolved gas information, and electrochemical performance metrics from full cells. By integrating voltage monitoring and charge/discharge functions, users can directly correlate thermal and electrochemical behaviors, gaining early insights into thermal runaway and battery failure risks. The device can also be coupled with mass spectrometry (MS), Fourier transform infrared spectroscopy (FTIR), or gas chromatography-mass spectrometry (GC-MS) for direct analysis of exhaust gas components.

Yu Cheng, Vice President of Materials Science R&D and Product Solutions at Waters Corporation, stated that simultaneously capturing thermal, evolved gas, and electrochemical data is not only faster but also enables correlation of multiple data types from the same sample, providing more precise insights early in development. He noted that the system's wide temperature range and streamlined workflow are designed to reduce experimental complexity and surpass existing methods.

The device introduces a unique capsule design that eliminates time-consuming manual disassembly steps, reducing average sample preparation time by over 90% while maintaining sample integrity and accelerating data generation.

The new system integrates advanced temperature performance, efficient workflows, and multidimensional data acquisition on a single platform. With an industry-leading temperature range from -80°C to 600°C(1), it enables comprehensive analysis of battery behavior under low and high temperature conditions, expanding its applications in R&D and QA/QC.

Shirley Meng, Professor at the Pritzker School of Molecular Engineering at the University of Chicago and Director of the Energy Storage Research Alliance (ESRA), commented that the battery industry has long needed a solution bridging the gap between material thermal analysis and full-cell DSC testing. She believes this technology, by integrating gas analysis and electrochemical data, enables assessment of full-cell thermal stability, which is critical for advancing early-stage battery safety research.

Compared to traditional battery safety testing methods such as Accelerating Rate Calorimetry (ARC), which are typically used later in development and require large-format cells, specialized facilities, and longer experimental times, the coin cell DSC allows direct evaluation of intact coin cells at an earlier stage and faster pace, thereby streamlining the development process and reducing risks.

The Waters TA Instruments coin cell DSC is now available for ordering, with shipments expected to begin in August 2026.

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