Influence of High Loading on the Performance of Natural Graphite-Based Al Secondary Batteries

Mao-Chia Huang, Cheng-Hsien Yang, Chien-Chih Chiang, Sheng-Cheng Chiu, Yun-Feng Chen, Cong-You Lin, Lu-Yu Wang, Yen-Liang Li, Chang-Chung Yang and Wen-Sheng Chang
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Mao-Chia Huang: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Cheng-Hsien Yang: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Chien-Chih Chiang: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Sheng-Cheng Chiu: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Yun-Feng Chen: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Cong-You Lin: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Lu-Yu Wang: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Yen-Liang Li: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Chang-Chung Yang: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan
Wen-Sheng Chang: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan City 71150, Taiwan

Energies, 2018, vol. 11, issue 10, 1-12

Abstract: In recent years, novel Al secondary batteries with Al anodes, natural graphite cathodes, and ionic liquid electrolytes have received more attention. However, most research on Al secondary batteries used lower graphite loading (<8 mg/cm 2 ), which will inhibit the batteries from commercialization in the future. Here, we prepared Al secondary batteries using Al anode, low-cost natural graphite cathode, and cheaper ionic liquid electrolyte. The effects of loading (7–12 mg/cm 2 ) on performance were investigated. Based on our observations, graphite-based Al secondary batteries (GABs) using 10 mg/cm 2 graphite electrodes had better performance of 82 mAh/g and 6.5 Wh/L at a current density of 100 mA/g. Moreover, the 10 mg/cm 2 GABs showed a long life of 250 charge–discharge cycles with a high coulombic efficiency of 98% and excellent performance rate up to 1000 mA/g.

Keywords: Al secondary batteries; natural graphite; ionic liquid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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