Abstract
Lithium metal is considered as the “holy grail” of energy density, however, there is a dendrite growth issue, which inhibits its practical applications. Herein, a microrod patterned lithium metal surface was fabricated by a hot-press process using a porous alumina template. As an anode for solid-state lithium metal batteries, it shows remarkable cyclability and improved rate capability. The specific capacity reaches 60 mAh g−1 at 7 C with excellent cycling performance. The improved performance is mainly attributed to the dispersed current on the lithium metal surface compared with that of the pristine lithium foil. This work provides an economically viable surface treatment method for high performance metal batteries.
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