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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.

Patent No.:

US 9343773 B1

PDFFull Text
Date of Patent:
May. 17, 2016

Filed:

Sep. 23, 2011

Cable-type secondary battery

Applicants:

Yo-han Kwon, Daejeon, KR;

Je-young Kim, Daejeon, KR;

Byung-hun OH, Daejeon, KR;

Ki-tae Kim, Daejeon, KR;

Inventors:

Yo-Han Kwon, Daejeon, KR;

Je-Young Kim, Daejeon, KR;

Byung-Hun Oh, Daejeon, KR;

Ki-Tae Kim, Daejeon, KR;

Assignee:

LG Chem, Ltd., , KR;

Attorney:

Lerner, David, Littenberg, Krumholz & Mentlik, LLP

Primary Examiner:

Daniel Gatewood

Int. Cl.
CPC ...
H01M 6/10 (2006.01); H01M 6/42 (2006.01); H01M 10/052 (2010.01); H01M 2/02 (2006.01); H01M 4/38 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 4/66 (2006.01); H01M 4/70 (2006.01); H01M 6/44 (2006.01); H01M 10/02 (2006.01); H01M 10/04 (2006.01); H01M 10/0565 (2010.01); H01M 10/0568 (2010.01); H01M 10/058 (2010.01); H01M 2/16 (2006.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 10/42 (2006.01); H01M 4/75 (2006.01);
U.S. Cl.
CPC ...
H01M 10/052 (2013.01); H01M 2/02 (2013.01); H01M 2/0237 (2013.01); H01M 4/38 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 4/66 (2013.01); H01M 4/661 (2013.01); H01M 4/663 (2013.01); H01M 4/667 (2013.01); H01M 4/70 (2013.01); H01M 6/44 (2013.01); H01M 10/02 (2013.01); H01M 10/0413 (2013.01); H01M 10/0422 (2013.01); H01M 10/058 (2013.01); H01M 10/0565 (2013.01); H01M 10/0568 (2013.01); H01M 2/1673 (2013.01); H01M 4/624 (2013.01); H01M 4/75 (2013.01); H01M 2004/025 (2013.01); H01M 2010/4292 (2013.01); Y02E 60/122 (2013.01);
Abstract

Provided is a cable-type secondary battery including an inner electrode comprising at least two anodes arranged in parallel that extend longitudinally and have a horizontal cross section of a predetermined shape, an electrolyte layer serving as an ion channel surrounding the inner electrode, an outer electrode comprising a tubular cathode having a horizontal cross section of a predetermined shape and surrounding the electrolyte layer, and a protection coating surrounding the outer electrode. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. A plurality of inner electrodes within a tubular outer electrode leads to an increased contact area therebetween and consequently a high battery rate. It is easy to control the capacity balance between the inner and outer electrodes by adjusting the number of inner electrodes.

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