Abstract
Since the SEI is one of the most vulnerable factors in the safety of the lithium-ion battery, improvement in the stability of the SEI will result in a safer battery with better performance characteristics. In this work an artificial SEI was formed on graphite and tin-copper anodes by electropainting and vacuum-insertion techniques. The artificial SEI was found to stabilize the structure of the Sn-Cu anode and led to a cycle life for the cell that was longer by a factor of five and irreversible capacity less than half that of the pristine anode.
Original language | English |
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Pages (from-to) | 1789-1791 |
Number of pages | 3 |
Journal | Electrochemistry Communications |
Volume | 11 |
Issue number | 9 |
DOIs | |
State | Published - Sep 2009 |
Keywords
- Anode
- Electric-vehicle
- Lithium ion battery
- SEI
- Safety
- Tin