Advanced lithium-ion battery research and development
Chemical characterization and property testing solutions for the lithium-ion batteries of the future
Lithium-ion batteries are a critical source of power for modern electronics such as mobile devices, electric vehicles, and grid-scale electrical storage. The strategic importance of Li-ion batteries is a driver of research and development efforts across applications in the innovation of higher-performing batteries that are more cost-effective, last longer, charge faster, are safer, and are also more environmentally friendly.
Unlike most lithium batteries, Li-ion batteries are rechargeable and offer a safer and more stable source of power for electronic devices and equipment across industries including medical, consumer, and industrial. Additional benefits offered by Li-ion batteries include higher energy density, a more robust voltage capacity, and a much lower self-discharge rate – all of which support better power efficiency through longer charge retention than other battery types.
While today’s lithium-ion battery technologies offer significant advantages over traditional batteries, the growing demand for more sustainable energy sources and portability is driving increasing research and development efforts into batteries with higher voltage capacity and energy density. In developing tomorrow’s Li-ion battery solutions, energy researchers across the globe depend on chemical characterization and property testing solutions that provide them with the rich and accurate insight needed to innovate the energy sources of the future.
Access our complimentary webinar to learn how to gain novel insights into battery materials and cell behavior through isothermal calorimetry, allowing improved performance and lifetime prediction.
Analytical characterization of electrolytes and additives
There are six primary categories of lithium-ion battery additives, including Lithium Cobalt Oxide, Lithium Manganese Oxide, Lithium Nickel Manganese Cobalt Oxide, Lithium Iron Phosphate, Lithium Nickel Cobalt Aluminum Oxide, and Lithium Titanate. Each type of lithium-ion battery additive can interact in complex and complementary ways. For this reason, understanding electrolyte chemistry is critical in the design of the ideal additive package in delivering desired battery performance, extending battery lifetime, and enhancing the overall end-user experience.
Gaining critical molecular insight into battery electrolyte and additive degradation can be achieved by using robust analytical techniques such as those listed below.
- Leverage Xevo G2-XS QTof to analyze volatile & nonvolatile components on a single Mass Spectrometry system
- Softer ionization of APGC provides greater sensitivity over traditional EI-based GCMS
- The automated workflow in UNIFI software enables easy sample comparison and structural elucidation
In this application note, a flexible analytical system comprised of a Xevo G2-XS QTof with APGC and ACQUITY UPLC I-Class was used in conjunction with a well-defined informatics workflow to elucidate degradation markers in Li-Ion battery electrolytes in both the volatile and non-volatile chemical space.
Analysis of battery and battery pack for parasitic reactions
Essential battery performance attributes are measured through the characterization of raw materials, cells, and packs in ensuring safety and other critical factors impacting key industry drivers such as portability and cost. Leveraging high-performance tools that offer flexible and easy ways through which to accurately measure reactions and physical property performance enables streamlined testing of battery materials and components.
- TAM IV Isothermal Microcalorimeter System enables experimentations of the pouch, coin, pacemaker, cell phone, and cylindrical batteries under passive storage conditions or in conjunction with a battery cycler to evaluate battery charging and discharging dynamics
- Assess thermal stability of battery polymer casing and polymeric porous separator using Discover TGA and Discover DSC Differential Scanning Calorimetry
In this study, high-resolution isothermal microcalorimetry using isothermal microcalorimetry to measure and quantitatively compare the heat flow of lithium-ion batteries that only vary in the concentration of electrolyte additive. In this case, with all other sources being identical, the measured difference in heat flow is a direct result of the difference in parasitic heat due to the additive.
Solutions across the electronics workflow
Analysis and management of impurities in raw materials, intermediates, and final products are an important aspect of managing the characteristics of electronic products. In the electronics industry specifically, the presence of trace amounts of impurities (e.g., organic molecules) can greatly affect product properties, safety, and performance.
Included in the extended performance, safety, and overall customer experience offered by modern electronics is how specific electronic devices are powered. An increase in the demand for Li-ion batteries is fueled by growing applications demanding higher performing energy sources. Central to this need is the development of safer battery cells with higher energy density and longer battery-cell cycle life.
Through its Waters and TA branded portfolio of products, Waters Corporation equips researchers and scientists with solutions that enable the separation, purification, MS-based technologies, and material property analysis with technologies supporting Thermal Analysis, Rheology, Calorimetry, and Mechanical Testing instruments.