Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 14, Issue 51, Pages 56801-56807Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.2c17084
Keywords
Li electrode; Cu foam; Li-Mg alloy; dimensional stability; lithium affinity
Funding
- National Natural Science Foundation [22075151, 22279064, 21935006]
- Fundamental Research Funds for the Central Universities of China
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In this study, a dimensionally stable Li-Mg/Cu composite electrode was fabricated, which showed long-term stability in terms of dimensional change and surface morphology. The use of Cu foam and Li-Mg alloy contributed to the stable structure and uniform Li plating within the composite.
Lithium electrodes have gained increasing attention in recent years for their promising applications in high- energy-density secondary batteries. However, structural instability during cycling remains a considerable obstacle to development. In this study, a dimensionally stable Li-Mg/Cu composite electrode was fabricated. Cu foam as a plate grid can sustain the structure, and Li-Mg alloy as the active and lithophilic component can guide the uniform Li plating within the composite. Thus, Li-Mg/Cu electrode shows long-term stability in terms of dimensional change and surface morphology. This work provides a facile and practical way to fabricate composite Li electrodes with high dimensional stability for secondary batteries.
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