Sustainability-inspired cell design for a fully recyclable sodium ion battery

Tiefeng Liu, Yaping Zhang, Chao Chen, Zhan Lin (), Shanqing Zhang () and Jun Lu ()
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Tiefeng Liu: Guangdong University of Technology
Yaping Zhang: Southwest University of Science and Technology
Chao Chen: Guangdong University of Technology
Zhan Lin: Guangdong University of Technology
Shanqing Zhang: Griffith University
Jun Lu: Argonne National Laboratory

Nature Communications, 2019, vol. 10, issue 1, 1-7

Abstract: Abstract Large-scale applications of rechargeable batteries consume nonrenewable resources and produce massive amounts of end-of-life wastes, which raise sustainability concerns in terms of manufacturing, environmental, and ecological costs. Therefore, the recyclability and sustainability of a battery should be considered at the design stage by using naturally abundant resources and recyclable battery technology. Herein, we design a fully recyclable rechargeable sodium ion battery with bipolar electrode structure using Na3V2(PO4)3 as an electrode material and aluminum foil as the shared current collector. Such a design allows exceptional sodium ion battery performance in terms of high-power correspondence and long-term stability and enables the recycling of ∼100% Na3V2(PO4)3 and ∼99.1% elemental aluminum without the release of toxic wastes, resulting in a solid-component recycling efficiency of >98.0%. The successful incorporation of sustainability into battery design suggests that closed-loop recycling and the reutilization of battery materials can be achieved in next-generation energy storage technologies.

Date: 2019
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DOI: 10.1038/s41467-019-09933-0

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