Fundamentals, Development, and Optimal Preparation of CMC Binders for Lithium-Ion Secondary Batteries
S30224 "CMC Binder"
What are the characteristics of the binder for lithium-ion batteries using water-soluble carboxymethyl cellulose sodium? What are its features?
Tekuno Kawasaki 5F, 5th Training Room [Kanagawa, Kawasaki] February 26, 2013 (Tuesday) 13:30-16:30 Part 1: First Industrial Pharmaceutical Co., Ltd. Functional Chemicals Research Institute, Technical Staff, [Name of the person in charge] Part 2: Kanagawa University, Faculty of Engineering, Department of Material Life Chemistry, Laboratory of Electronics Materials Chemistry, Associate Professor, and Head of Kanagawa University Lithium-Ion Secondary Battery Open Lab, Mr. Hiroshi Matsumoto. http://ec.techzone.jp/products/detail.php?product_id=3183
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**Lecture 1: Summary of the Presentation** Many batteries have been developed as means to store electricity over the years. Recently, high-energy-density lithium-ion batteries (LI batteries) have been developed and have become widespread as power sources for mobile phones and laptops, with further applications being explored for electric vehicle batteries, among others. This presentation will deepen understanding of the basic properties and characteristics of water-soluble sodium carboxymethyl cellulose, which has recently been recognized as a useful binder for binding active materials to the electrode substrate during the manufacturing of LI battery components, using actual samples. Additionally, it will introduce the current status of research and development efforts to meet customer quality requirements. **Lecture 2: Purpose of the Presentation** Currently, in the development field of lithium-ion secondary batteries, there is growing attention on silicon anode active materials with high energy density. This presentation will discuss the relationship between the types of binders, the shape of the fabricated anode films, and the battery characteristics, focusing on silicon anode active materials and CMC (carboxymethyl cellulose) binders, while presenting recent data on their features and issues.
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After February 12, the regular price will be 49,350 yen per person (including tax and text fees).
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**Lecture 1 Program** 12. Binder for LIB batteries 13. Types and characteristics of LIB electrode binders 14. Quality requirements for CMC as a LIB electrode binder 15. Usage and handling of CMC as a LIB electrode binder 16. Future prospects for CMC used in LIB electrode binders **Lecture 2 Program** 1. Functions and roles of binders in lithium-ion secondary batteries 2. Dispersion methods for binders and film formation methods for electrodes 2-1. Methods to achieve high dispersion 2-2. Relationship between film formation methods and battery characteristics based on actual examples 3. Water-based binders 4. Characteristics of anodes containing Si negative electrode active material 4-1. Anodes composed of Silicon (Si), Carbon (C), and Carboxymethyl Cellulose (CMC) 4-2. Changes in composition ratios of Si, C, and CMC and their cycle characteristics 4-3. Effects of pH of Si solution 4-4. Morphology of Si-C composites after sintering 5. Binders and electrodes for cathodes 5-1. Fabrication methods and durability of cathode films 5-2. Combination of CMC binder and LiFePO4 cathode material 5-3. Combination of CMC binder and Li-excess solid solution cathode material
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