Analysis of Li-ion battery separators
I confirmed the blocking function of polymer melting at high temperatures!
Regarding the separator used in commercially available Li-ion batteries, after conducting material analysis using FT-IR, we confirmed its function of blocking polymer melting at high temperatures. The document presents the material analysis of Li-ion battery separators and observations of the state changes of the separators under high-temperature conditions using graphs and photographs. [Analysis Overview] ■ Material analysis of Li-ion battery separators ■ Observation of state changes of separators under high-temperature conditions - The state changes of the separator were observed over time at a constant temperature of 135°C using FIB/SEM. *For more details, please refer to the PDF document or feel free to contact us.
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Composition analysis of LIB cathode active materials by ICP luminescence analysis.
This presentation introduces the composition analysis of active materials in cathode materials using ICP emission analysis. The cathode material in lithium-ion batteries (LIB) is one of the important components that influence the battery's voltage and energy density, and the composition of the cathode material significantly affects the battery's performance. ICP emission analysis allows for qualitative and quantitative analysis of approximately 70 elements, primarily metal elements. In addition to composition analysis of LIB cathode materials, it can also be applied to various analyses, including qualitative and quantitative analysis of additives and impurities contained in samples, as well as quantitative analysis of substances regulated by the RoHS directive.
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Evaluation of pore distribution in non-woven fabric sheets
This is an example of evaluating the maximum pore diameter and pore size distribution of a non-woven fabric sheet using the bubble point method. The sample is immersed in a chemical solution, and air pressure is applied. The pressure is increased until it overcomes the surface tension of the chemical solution absorbed in the sheet, resulting in the appearance of bubbles; this pressure is referred to as the bubble point. The maximum pore diameter can be calculated based on the bubble point pressure and the surface tension of the chemical solution.
