Effect of carbon source on electrochemical performance of carbon coated LiMnPO4 cathode
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概要
- 論文の詳細を見る
Source materials for carbon coating on LiMnPO4 were examined to improve an electrochemical performance of LiMnPO4. L-ascorbic acid, sucrose, polyethylene oxide (PEO), and carboxymethyl cellulose (CMC) were used as carbon sources for hydrothermal synthesis of carbon coated LiMnPO4. Disordered (D) and graphite-like (G) carbons were detected by Raman spectroscopy for the prepared samples except for PEO-used one, and the highest G/D ratio was obtained for the sample prepared using CMC as carbon source. The electrochemical performance of the samples was evaluated by galvanostatic charge/discharge test. The carbon coated LiMnPO4 prepared with CMC carbon source showed the highest discharge capacity, 94 mA h g-1 at 0.01 C (corresponding to 55% of the theoretical capacity, 171 mA h g-1), indicating that the carbon sources greatly influenced on the electrochemical performance of the carbon coated LiMnPO4 prepared by the hydrothermal synthesis.
- 公益社団法人 日本セラミックス協会の論文
著者
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Kanamura Kiyoshi
Department Of Applied Chemistry Graduate School Of Engineering Tokyo Metropolitan University
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Kotobuki Masashi
Department Of Applied Chemistry Graduate School Of Urban Environmental Science Tokyo Metropolitan Un
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Munakata Hirokazu
Department Of Applied Chemistry Graduate School Of Urban Environmental Science Tokyo Metropolitan Un
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MIZUNO Yuta
Department of Applied Chemistry Graduate School of Urban Environmental Sciences, Tokyo Metropolitan
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MUNAKATA Hirokazu
Department of Applied Chemistry Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University
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KOTOBUKI Masashi
Department of Applied Chemistry Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University
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KANAMURA Kiyoshi
Department of Applied Chemistry Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University
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