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Journal Article

Secondary batteries with multivalent ions for energy storage


Su,  Dang Sheng
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;
Shenyang National Laboratory for Materials Science Institute of Metal Research, Chinese Academy of Science;

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Xu, C., Chen, Y., Shi, S., Li, J., Kang, F., & Su, D. S. (2015). Secondary batteries with multivalent ions for energy storage. Scientific Reports, 5: 14120. doi:10.1038/srep14120.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0028-97EF-A
The use of electricity generated from clean and renewable sources, such as water, wind, or sunlight, requires efficiently distributed electrical energy storage by high-power and high-energy secondary batteries using abundant, low-cost materials in sustainable processes. American Science Policy Reports state that the next-generation “beyond-lithium” battery chemistry is one feasible solution for such goals. Here we discover new “multivalent ion” battery chemistry beyond lithium battery chemistry. Through theoretic calculation and experiment confirmation, stable thermodynamics and fast kinetics are presented during the storage of multivalent ions (Ni2+, Zn2+, Mg2+, Ca2+, Ba2+, or La3+ ions) in alpha type manganese dioxide. Apart from zinc ion battery, we further use multivalent Ni2+ ion to invent another rechargeable battery, named as nickel ion battery for the first time. The nickel ion battery generally uses an alpha type manganese dioxide cathode, an electrolyte containing Ni2+ ions, and Ni anode. The nickel ion battery delivers a high energy density (340 Wh kg-1, close to lithium ion batteries), fast charge ability (1 minute), and long cycle life (over 2200 times).