journal article Jun 06, 2017

Reviving Lithium‐Metal Anodes for Next‐Generation High‐Energy Batteries

View at Publisher Save 10.1002/adma.201700007
Abstract
Lithium‐metal batteries (LMBs), as one of the most promising next‐generation high‐energy‐density storage devices, are able to meet the rigid demands of new industries. However, the direct utilization of metallic lithium can induce harsh safety issues, inferior rate and cycle performance, or anode pulverization inside the cells. These drawbacks severely hinder the commercialization of LMBs. Here, an up‐to‐date review of the behavior of lithium ions upon deposition/dissolution, and the failure mechanisms of lithium‐metal anodes is presented. It has been shown that the primary causes consist of the growth of lithium dendrites due to large polarization and a strong electric field at the vicinity of the anode, the hyperactivity of metallic lithium, and hostless infinite volume changes upon cycling. The recent advances in liquid organic electrolyte (LOE) systems through modulating the local current density, anion depletion, lithium flux, the anode–electrolyte interface, or the mechanical strength of the interlayers are highlighted. Concrete strategies including tailoring the anode structures, optimizing the electrolytes, building artificial anode–electrolyte interfaces, and functionalizing the protective interlayers are summarized in detail. Furthermore, the challenges remaining in LOE systems are outlined, and the future perspectives of introducing solid‐state electrolytes to radically address safety issues are presented.
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Showing 50 of 234 references

Cited By
1,131
Advanced Energy Materials
Journal of the American Chemical So...
ENERGY & ENVIRONMENTAL MATERIAL...
Progress in Materials Science
Journal of Energy Storage
Metrics
1,131
Citations
234
References
Details
Published
Jun 06, 2017
Vol/Issue
29(29)
License
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Funding
National Natural Science Foundation of China Award: 21571073
Natural Science Foundation of Hubei Province Award: 2016CFA031
Cite This Article
Yuming Guo, Tianyou Zhai (2017). Reviving Lithium‐Metal Anodes for Next‐Generation High‐Energy Batteries. Advanced Materials, 29(29). https://doi.org/10.1002/adma.201700007
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