Journal
CHEMISTRY LETTERS
Volume 46, Issue 8, Pages 1240-1242Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.170503
Keywords
Rechargeable magnesium battery; Anion-sublattice structure; Copper sulfide cathode
Categories
Funding
- E-IMR project
- Hatakeyama Cultural Foundation
- Elements Strategy Initiative to Form Core Research Center program of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- Support Program for Interdisciplinary Research (FRIS project)
- Asahi Glass Foundation
- Mitsubishi Foundation
- [6H02269]
- [16K05738]
- [26810029]
- [15H00983]
- [17H05137]
- [15K13652]
- [2601]
- Grants-in-Aid for Scientific Research [17H05137, 16K05738, 16H02269] Funding Source: KAKEN
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Copper sulfides (Cu2-xS, where x denotes position defects) with different structures of the S2- sublattice, such as cubic digenite and hexagonal chalcocite, have been investigated as cathode materials for magnesium (Mg) batteries. Rechargeable performance is only achieved using a cubic digenite cathode; however, using hexagonal chalcocite cathode yields poor rechargeable performance. The face-centered cubic S2- sublattice in cubic digenite, which enables Cu+ and Mg2+ ions to be displaced from each other without causing the lattice to collapse, could play a key role in improving the performance of rechargeable cathodes.
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