Effects of Cu Substitution for Sn on the Electrochemical Performance of La0.7Mg0.3Al0.3Mn0.4Sn0.5−xCuxNi3.8 (x = 0–0.5) Alloys for Ni-MH Batteries
The effects of substitution of Cu for Sn on the electrochemical discharge capacity performance of La0.7Mg0.3Al0.3Mn0.4Sn0.5−xCuxNi3.8 (x = 0.0, 0.1, 0.2, 0.3, and 0.5) negative electrode alloys were investigated. Results indicate that increasing Cu content enhanced electrochemical behavior by increa...
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creator | Casini, Julio Guo, Zaiping Liu, Hua Faria, Rubens Takiishi, Hidetoshi |
description | The effects of substitution of Cu for Sn on the electrochemical discharge capacity performance of La0.7Mg0.3Al0.3Mn0.4Sn0.5−xCuxNi3.8 (x = 0.0, 0.1, 0.2, 0.3, and 0.5) negative electrode alloys were investigated. Results indicate that increasing Cu content enhanced electrochemical behavior by increasing the maximum discharge capacity from 239.8 mA·h/g (x = 0) to 305.2 mA·h/g (x = 0.5), the discharge capacity retention at the 100th cycle from 78.0% (x = 0) to 81.8% (x = 0.5), and the high rate dischargeability (HRD) from 25.7% (x = 0) to 80.6% (x = 0.5). |
doi_str_mv | 10.3390/batteries1010003 |
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Results indicate that increasing Cu content enhanced electrochemical behavior by increasing the maximum discharge capacity from 239.8 mA·h/g (x = 0) to 305.2 mA·h/g (x = 0.5), the discharge capacity retention at the 100th cycle from 78.0% (x = 0) to 81.8% (x = 0.5), and the high rate dischargeability (HRD) from 25.7% (x = 0) to 80.6% (x = 0.5).</description><identifier>ISSN: 2313-0105</identifier><identifier>EISSN: 2313-0105</identifier><identifier>DOI: 10.3390/batteries1010003</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Alloys ; Automobile industry ; Copper ; Discharge ; Electrochemical analysis ; Electrodes ; Energy ; Hydrogen ; Metal hydrides ; Microstructure ; Nickel ; Rechargeable batteries ; Retention ; Substitutes ; Tin</subject><ispartof>Batteries (Basel), 2015-12, Vol.1 (1), p.3-10</ispartof><rights>2015. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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subjects | Alloys Automobile industry Copper Discharge Electrochemical analysis Electrodes Energy Hydrogen Metal hydrides Microstructure Nickel Rechargeable batteries Retention Substitutes Tin |
title | Effects of Cu Substitution for Sn on the Electrochemical Performance of La0.7Mg0.3Al0.3Mn0.4Sn0.5−xCuxNi3.8 (x = 0–0.5) Alloys for Ni-MH Batteries |
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