阳极
材料科学
锂(药物)
电解质
金属锂
磷酸钒锂电池
枝晶(数学)
沉积(地质)
纳米技术
金属
电极
化学工程
无机化学
化学
冶金
物理化学
工程类
古生物学
内分泌学
几何学
生物
医学
数学
沉积物
作者
Yingying Zhu,Vikram Pande,Linsen Li,Bohua Wen,Menghsuan Sam Pan,David I. Wang,Zhenqiang Ma,Venkatasubramanian Viswanathan,Yet‐Ming Chiang
标识
DOI:10.1073/pnas.2001923117
摘要
Significance It is possible to nearly double the energy density of existing lithium-ion batteries by using lithium metal anodes. However, it has been known for decades that the lithium dendrites and mossy lithium formed during charging (electrodeposition) limit the cycle life of the batteries. It is important to change the growth behavior of lithium metal, which is closely related to the properties of the solid–electrolyte interface (SEI) formed via spontaneous reactions between the lithium metal and the electrolyte. In this experimental-modeling integrated study, we reveal the design principles of the SEI that facilitates the dendrite-free and dense deposition of lithium and demonstrate one of the best cycling performances of lithium metal anode to date under practically relevant conditions.
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