The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 18, 2007

Filed:

Sep. 28, 2001
Applicants:

Tsutomu Sada, Otsu, JP;

Kazunari Takeda, Tsurugashima, JP;

Yumiko Takashima, Tano-gun, JP;

Naoto Nishimura, Kashihara, JP;

Takehito Mitate, Yamatotakada, JP;

Kazuo Yamada, Kitakatsuragi-gun, JP;

Motoaki Nishijima, Gose, JP;

Naoto Torata, Kashihara, JP;

Inventors:

Tsutomu Sada, Otsu, JP;

Kazunari Takeda, Tsurugashima, JP;

Yumiko Takashima, Tano-gun, JP;

Naoto Nishimura, Kashihara, JP;

Takehito Mitate, Yamatotakada, JP;

Kazuo Yamada, Kitakatsuragi-gun, JP;

Motoaki Nishijima, Gose, JP;

Naoto Torata, Kashihara, JP;

Assignee:

Sharp Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/58 (2006.01); H01M 10/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a lithium secondary cell having a negative electrode, a positive electrode and, arranged between the electrodes, a polymer electrolyte layer, the internal resistance of the cell and the interfacial resistance between the electrode and the polymer electrolyte can be reduced by incorporating into the electrode, in advance, a polymer electrolyte precursor solution in a manner such that the electrode has a higher content of the precursor monomer and/or an oligomer thereof than that in the polymer electrolyte layer formed on the electrode.


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