Calcium-ion batteries: current state-of-the-art and future perspectives

Gummow, Rosalind J., Vamvounis, George, Mathan, M. Bobby, and He, Yinghe (2018) Calcium-ion batteries: current state-of-the-art and future perspectives. Advanced Materials, 30 (39). 1801702.

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Recent developments in rechargeable battery technology have seen a shift from the well-established Li-ion technology to new chemistries to achieve the high energy density required for extended range electric vehicles and other portable applications, as well as low-cost alternatives for stationary storage. These chemistries include Li–air, Li–S, and multivalent ion technologies including Mg2+, Zn2+, Ca2+, and Al3+. While Mg2+ battery systems have been increasingly investigated in the last few years, Ca2+ technology has only recently been recognized as a viable option. In this first comprehensive review of Ca2+ ion technology, the use of Ca metal anodes, alternative alloy anodes, electrolytes suitable for this system, and cathode material development are discussed. The advantages and disadvantages of Ca2+ ion batteries including prospective achievable energy density, cost reduction due to high natural abundance, low ion mobility, the effect of ion size, and the need for elevated temperature operation are reviewed. The use of density functional theory modeling to predict the properties of Ca-ion battery materials is discussed and the extent to which this approach is successful in directing research into areas of promise is evaluated. To conclude, a summary of recent achievements and evaluates areas for future research efforts is presented.

Item ID: 54399
Item Type: Article (Research - C1)
ISSN: 1521-4095
Keywords: energy storage; battery; multivalent ion battery; calcium-ion battery
Copyright Information: Published Version: © 2018 Blackwell Verlag GmbH. Accepted VErsion can be open access on Non-Commercial Institutional Repository after an embrago of 12 months.
Date Deposited: 23 Jul 2018 05:19
FoR Codes: 34 CHEMICAL SCIENCES > 3402 Inorganic chemistry > 340210 Solid state chemistry @ 33%
34 CHEMICAL SCIENCES > 3402 Inorganic chemistry > 340211 Transition metal chemistry @ 33%
40 ENGINEERING > 4016 Materials engineering > 401605 Functional materials @ 34%
SEO Codes: 85 ENERGY > 8506 Energy Storage, Distribution and Supply > 850602 Energy Storage (excl. Hydrogen) @ 100%
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