Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2006-09-01
2011-11-08
Gilliam, Barbara (Department: 1727)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S212000, C429S232000
Reexamination Certificate
active
08053113
ABSTRACT:
Provided is a nanocomposite binder for an electrode mix of a secondary battery, comprising carbon nanotubes in a photo- and/or thermo-polymerizable material or polymer, or a mixture thereof; and a lithium secondary battery comprising the same.The carbon nanotube-containing composite binder according to the present invention and a lithium secondary battery comprising the same employs a novel nanocomposite, prepared by combination of carbon nanotubes with a conventional binder material, as a binder of an anode. As a result, the present invention provides advantages such as improved conductivity of the anode due to decreased electrical resistance of the binder, and enhanced mechanical properties of the binder and thereby being capable of preventing the separation of an anode active material layer from a current collector due to volume changes occurring upon charge/discharge cycles.
REFERENCES:
patent: 2003/0054249 (2003-03-01), Yamamoto et al.
patent: 2003/0077515 (2003-04-01), Chen et al.
patent: 2005/0042515 (2005-02-01), Hwang et al.
patent: 2006/0040182 (2006-02-01), Kawakami et al.
patent: 2004-319186 (2004-11-01), None
patent: 2005-004974 (2005-01-01), None
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Machine translation of JP 2004-319186 listed in applicant's IDS.
Official translation of JP 2004-319186 listed in applicant's IDS.
Kim Ju-hyun
Kim Young-Min
Oh Eun-Suok
Ryu Minjung
Yang SeungRim
Best Zachary
Cantor & Colburn LLP
Gilliam Barbara
LG Chem Ltd.
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