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:
Jun. 16, 2009

Filed:

Mar. 31, 2005
Applicants:

Kenji Kojima, Tokyo, JP;

Satoshi Nagura, Ueda, JP;

Nobuo Ando, Tokyo, JP;

Yukinori Hato, Tokyo, JP;

Chisato Marumo, Tokyo, JP;

Inventors:

Kenji Kojima, Tokyo, JP;

Satoshi Nagura, Ueda, JP;

Nobuo Ando, Tokyo, JP;

Yukinori Hato, Tokyo, JP;

Chisato Marumo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic electrolyte capacitor is provided with a high energy density, a high power and a high capacitance even at −20°. The organic electrolyte capacitor has a high discharge capacity even at a temperature as low as −20° C., while having a high voltage and a high energy density. The structure of the organic electrolyte capacitor includes a positive electrode, a negative electrode, and an electrolyte capable of transporting lithium ions. The positive electrode can reversibly support lithium ions and anions, and the negative electrode can reversibly support the lithium ions by using a mesopored carbon material having a pore volume of 0.10 ml/g or more for a pore diameter of 3 nm or larger.


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