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Trend on the Recycling Technologies for the used Lithium Battery by the Patent Analysis  

Sohn, Jeong-Soo (Korea Institute of Geoscience & Mineral Resources(KIGAM))
Shin, Shun-Myung (Korea Institute of Geoscience & Mineral Resources(KIGAM))
Kang, Kyung-Seok (Siontech Co., Ltd.)
Choi, Mi-Jeong (Siontech Co., Ltd.)
Publication Information
Resources Recycling / v.16, no.3, 2007 , pp. 50-60 More about this Journal
Abstract
There are several kinds of battery such as zinc-air battery, lithium battery, Manganese dry battery, silver oxide battery, mercury battery, sodium-sulphur battery, lead battery, nickel-hydrogen secondary battery, nickel-cadmium battery, lithium ion battery, alkaline battery, etc. These days it has been widely studied for the recycling technologies of the used battery from view points of economy and efficiency. In this paper, patents on the recycling technologies of the used lithium battery were analyzed. The range of search was limited in the open patents of USA(US), European Union(EP), Japan(JP), and Korea(KR) from 1986 to 2006. Patents were collected using key-words searching and filtered by filtering criteria. The trends of the patents was analyzed by the years, countries, companies, and technologies.
Keywords
Lithium battery recycling; patent; analysis; Technical trend;
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