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- Choi, Nam-Soon
- Energy Materials Lab.
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A Highly Cross-Linked Polymeric Binder for High-Performance Silicon Negative Electrodes in Lithium Ion Batteries
- Author(s)
- Koo, Bonjae, Kim, Hyunjung, Cho, Younghyun, Lee, Kyu Tae, Choi, Nam-Soon, Cho, Jaephil
- Issued Date
- 2012-08
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.51, no.35, pp.8762 - 8767
- Abstract
- A support bandage for electrodes: A cross-linked polymeric binder (see picture, red) inhibits mechanical fracture of silicon negative electrodes during cycling. Nanosized silicon powder with a 3D interconnected network of poly(acrylic acid) and sodium carboxymethylcellulose as binder exhibits high reversible capacity of over 2000 mAh g -1 after 100 cycles at 30 °C while maintaining a high capacity and high current density.
- Publisher
- WILEY-V C H VERLAG GMBH
- ISSN
- 1433-7851
- Keyword (Author)
- anodes, binders, cross-linking, lithium ion batteries, silicon
- Keyword
- HIGH-CAPACITY, ANODE MATERIAL, SI, STORAGE, NANOCOMPOSITE, NANOWIRES, CHEMISTRY, CELLULOSE
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