2013 Fiscal Year Final Research Report
Development of Electric Energy Storage Devices Utilizing Biomaterials
| Project/Area Number |
23655182
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Functional materials/Devices
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| Research Institution | Kansai University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2013
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| Keywords | コンデンサー / 電気二重層 / キャパシタ / イオン液体 / ゲル電解質 / 生体高分子 / アルギン酸 / キトサン |
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| Research Abstract |
The natural polymers which exist as biomaterial have been applied to auxiliary materials for electric energy storage devices, and the aim of this research was mainly to improve power performance of such devices. First, the characteristics of EDLC with DNA-modified nanocarbon electrodes were examined, and a sharp decrease in ion-diffusion resistance of charge and discharge processes was attained. Moreover, the gel electrolytes which consists of alginic acid and chitosan as biopolymer were applied to EDLC, and the fall of electrode-interface resistance realized improvement in an output power. It was found that these gel electrolytes are applicable also to a lithium-ion battery. Furthermore, we found that these biopolymeric materials can be applied also to the binder of an EDLC electrode as well as a lithium ion battery electrode, and attained the large improvement in each power-device output.
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[Presentation] Alginate Binder for High Power EDLC2012
Author(s)
S. Ikebe, 他
Organizer
Pacific Rim Meeting on Electrochemical and Solid-state Science (PRiME2012)
Place of Presentation
Hawaii Convention Center and the Hilton Hawaiian Village Honolulu, Hawaii, U.S.A
Year and Date
2012-10-10
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