Improvement of charge-discharge characteristics of the Mg-Ni powder electrodes at 55°C

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Magnesium-nickel (Mg-Ni) powders are used as the anode materials for secondary lithium (Li) ion batteries. Mg-Ni powders with ratios of 1: 1 (Mg: Ni) are prepared and their structure and electrochemical behavior at room temperature and 55°C are investigated. The results show that adding Ni powders to Mg powders can reduce the charge-discharge capacities and improve cycling life. In charge-discharge cycle testing at 55°C, the Li ion concentration gradually increased with increasing the duration of electrochemical reactions, indicating that the charge-discharge capacities increase with increment of cycling number. The formation of a solid electrolyte interface (SEI) layer restrains Mg ions from dissolving into the electrolyte and thus improves the charge-discharge capacities at high temperature.

Original languageEnglish
Article number638953
JournalJournal of Nanomaterials
Volume2013
DOIs
Publication statusPublished - 2013 Dec 1

Fingerprint

Nickel
Powders
Magnesium
Electrodes
Ions
Solid electrolytes
Lithium
Electrolytes
Anodes
Temperature
Testing

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

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abstract = "Magnesium-nickel (Mg-Ni) powders are used as the anode materials for secondary lithium (Li) ion batteries. Mg-Ni powders with ratios of 1: 1 (Mg: Ni) are prepared and their structure and electrochemical behavior at room temperature and 55°C are investigated. The results show that adding Ni powders to Mg powders can reduce the charge-discharge capacities and improve cycling life. In charge-discharge cycle testing at 55°C, the Li ion concentration gradually increased with increasing the duration of electrochemical reactions, indicating that the charge-discharge capacities increase with increment of cycling number. The formation of a solid electrolyte interface (SEI) layer restrains Mg ions from dissolving into the electrolyte and thus improves the charge-discharge capacities at high temperature.",
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Improvement of charge-discharge characteristics of the Mg-Ni powder electrodes at 55°C. / Chen, Kuan Jen; Hung, Fei Yi; Lui, Truan Sheng; Xiao, Ren Syuan.

In: Journal of Nanomaterials, Vol. 2013, 638953, 01.12.2013.

Research output: Contribution to journalArticle

TY - JOUR

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AB - Magnesium-nickel (Mg-Ni) powders are used as the anode materials for secondary lithium (Li) ion batteries. Mg-Ni powders with ratios of 1: 1 (Mg: Ni) are prepared and their structure and electrochemical behavior at room temperature and 55°C are investigated. The results show that adding Ni powders to Mg powders can reduce the charge-discharge capacities and improve cycling life. In charge-discharge cycle testing at 55°C, the Li ion concentration gradually increased with increasing the duration of electrochemical reactions, indicating that the charge-discharge capacities increase with increment of cycling number. The formation of a solid electrolyte interface (SEI) layer restrains Mg ions from dissolving into the electrolyte and thus improves the charge-discharge capacities at high temperature.

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