Publication: The Cary 630 FTIR in Lithium-ion Battery Research and Quality Control

The demand for rechargeable lithium-ion batteries is skyrocketing. Lithium-ion batteries are universally used in portable electronic devices and electric vehicles, and also play a crucial role in the global move towards electrification and renewable energy, e.g., lithium-ion batteries are used in energy storage facilities.

A key component in every lithium-ion battery is the electrolyte. The electrolyte facilitates the transfer of charged ions between the anode and cathode during battery operation. Material identification of the most critical lithium-ion battery electrolyte components—the solvent and the lithium salt—is paramount to ensure performance, safety, and stability of the electrolyte in the finished lithium-ion battery. Two application notes demonstrate how the Agilent Cary 630 FTIR spectrometer provides an easy workflow for material identification of solvents and the lithium salt used in lithium-ion batteries.

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While commercially available lithium-ion batteries with higher performance are becoming available, there are still opportunities for development within the sector. Researchers around the globe are looking at ways to increase the energy capacity of batteries, reduce charging times, and find cheaper and safer alternative materials for lithium-battery components.

The Cary 630 FTIR spectrometer with the MicroLab software form an ideal solution for the analysis of various materials used within the main components of lithium-ion batteries that include the anode, cathode, electrolyte (e.g., solvents and salts), and separator material.

In this white paper (Advancing Research of Lithium-Ion Batteries Using the Agilent Cary 630 FTIR Spectrometer) selected research publication are summarized in which the Cary 630 FTIR has been used by leading research groups for the analysis and characterization of lithium-ion battery materials and components.

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