TY - JOUR
T1 - Spinel–rocksalt transition as a key cathode reaction toward high-energy-density magnesium rechargeable batteries
AU - Shimokawa, Kohei
AU - Ichitsubo, Tetsu
N1 - Funding Information:
This work was supported by ALCA-SPRING of the Japan Science and Technology Agency (JST) , and a Grant-in-Aid for JSPS Research Fellow (No. 17J08120 ) from the Japan Society for the Promotion of Science (JSPS) .
Publisher Copyright:
© 2020 Elsevier B.V.
PY - 2020/6
Y1 - 2020/6
N2 - Mg-metal-anode rechargeable battery (MRB) has been a promising candidate for next-generation batteries with high energy densities and high safety. The lack of high-performance cathode materials, however, retards the development of MRBs. In recent years, it has been revealed that various spinel oxides can accommodate a large amount of Mg, exhibiting relatively high potentials (2–3 V vs. Mg2+/Mg) and high capacities (∼150 mAh g−1) accompanied by the coherent structural transformation into the rocksalt structure. This review summarizes the recent progress in the development of such spinel–rocksalt transition materials from the viewpoints of the reaction mechanisms, design guidelines of spinel oxides (for tailoring the redox potential, volume change, and cyclability), and challenges to construct full-cell MRBs.
AB - Mg-metal-anode rechargeable battery (MRB) has been a promising candidate for next-generation batteries with high energy densities and high safety. The lack of high-performance cathode materials, however, retards the development of MRBs. In recent years, it has been revealed that various spinel oxides can accommodate a large amount of Mg, exhibiting relatively high potentials (2–3 V vs. Mg2+/Mg) and high capacities (∼150 mAh g−1) accompanied by the coherent structural transformation into the rocksalt structure. This review summarizes the recent progress in the development of such spinel–rocksalt transition materials from the viewpoints of the reaction mechanisms, design guidelines of spinel oxides (for tailoring the redox potential, volume change, and cyclability), and challenges to construct full-cell MRBs.
KW - Highly concentrated electrolyte
KW - Magnesium rechargeable battery
KW - Spinel cathode materials
KW - Spinel–rocksalt transition
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U2 - 10.1016/j.coelec.2020.01.017
DO - 10.1016/j.coelec.2020.01.017
M3 - Review article
AN - SCOPUS:85080094827
SN - 2451-9103
VL - 21
SP - 93
EP - 99
JO - Current Opinion in Electrochemistry
JF - Current Opinion in Electrochemistry
ER -