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Study of Lithium Ion Capacitors Using Carbonaceous Electrode Utilized for Anode in Lithium Ion Batteries
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  • Journal title : Applied Chemistry for Engineering
  • Volume 24, Issue 5,  2013, pp.489-493
  • Publisher : The Korean Society of Industrial and Engineering Chemistry
  • DOI : 10.14478/ace.2013.24.5.489
 Title & Authors
Study of Lithium Ion Capacitors Using Carbonaceous Electrode Utilized for Anode in Lithium Ion Batteries
Oh, Rye-Gyeong; Hong, Jung-Eui; Yang, Won-Geun; Ryu, Kwang-Sun;
The most common carbonaceous anode materials of lithium ion batteries (natural graphite, artificial graphite, hard carbon, and mesocarbon microbeads) were utilized as an electrode in lithium ion capacitors. It could be able to enhance the energy density of capacitors due to the intercalation of lithium ion. In this work, the properties of capacitors using the symmetric electrode were measured by organizing coin cell typed capacitors. Also, we made other capacitors having pre-intercalated lithium ions at one side of the electrode. The results of electrochemical measurements for these capacitors show that the storage capacitance was appeared. In other words, if the migration of lithium ions is supplied continuously in the electrolytes, lithium ions can be diffused into the carbonaceous materials. And it results in the improvement of capacitance compared to only using symmetric carbonaceous electrodes. Also, we conducted the same measurement with graphene oxide having a the large specific area in the same condition. Herein, we recognized that the large specific area is extremely important for supercapacitors.
supercapacitors;electric double layer;electrode materials;Li ion;capacitance;carbonaceous materials;
 Cited by
망간산화물/기능화된 그래핀 나노복합체에 기반한 고성능 슈퍼커패시터 개발,최봉길;

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