The technical information magazine The TRC News provides the latest information on analytical techniques that are useful for research and development, solving production troubles, and quality control.
**Abstract** In situ analysis techniques are essential for directly observing structural changes in electrode active materials during charge and discharge, as well as the distribution of reactions within batteries. By utilizing this technology, important insights can be gained that advance material development and cell design. Additionally, understanding the thermal stability and temperature dependence of the chemical structure of battery materials, not limited to when the battery is in operation, is effective for improving product performance. This paper introduces various in situ analyses we are conducting, including charge and discharge and temperature changes. **Table of Contents** 1. Introduction 2. In situ analysis using laboratory equipment 3. In situ Raman analysis of lithium-ion batteries 4. In situ XRD analysis of lithium-ion batteries 5. Examples of temperature-dependent physical property evaluations 6. Conclusion
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Technical Information Magazine The TRC News "Application of Various In Situ Analyses to Lithium-Ion Battery Materials" 【Abstract】 In situ analysis techniques are essential for directly observing structural changes in electrode active materials during charge and discharge, as well as the reaction distribution within the battery. By utilizing this technology, important insights can be gained for advancing material development and cell design. Additionally, understanding the thermal stability and temperature dependence of the chemical structure of battery materials, not limited to when the battery is in operation, is effective for improving product performance. This article introduces various in situ analyses we are undertaking, including charge and discharge and temperature changes. 【Table of Contents】 1. Introduction 2. In Situ Analysis Utilizing Laboratory Equipment 3. In Situ Raman Analysis of Lithium-Ion Batteries 4. In Situ XRD Analysis of Lithium-Ion Batteries 5. Case Studies on Temperature-Dependent Physical Property Evaluation 6. Conclusion 【Figures and Tables】 Figures 1-12 In Situ Raman Spectra (Electrolyte) In Situ XRD Measurement of Monolayer Laminated Battery Changes in Interlayer Spacing During Charging (Positive and Negative Electrodes) Capacity Evaluation of Positive and Negative Electrode Half Cells Charge State Distribution After Cycle Testing Observations Related to Diffusion Coefficient
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At Toray Research Center, Inc., we provide technical support through analytical techniques and physical property analysis to address various challenges in research and development as well as production fields via contract analysis. Based on our long-standing achievements and extensive experience in analysis and physical property evaluation, we continue to strive to meet the advanced and diverse needs of our customers.
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