Abstract
Electrochemical protocols for reducing formation time and maximising cycle life in a sodium ion battery are proposed. The formation protocols comprise low current cycles within a targeted voltage window. After accelerated cell aging tests, the impedance and cycle life are evaluated. Maximum life time is obtained for formation within the 3.6–3.8 V window. 250 cycles are observed to 80% of initial capacity with accelerated ageing, compared to 90 cycles with no formation.
| Original language | English |
|---|---|
| Pages (from-to) | 12925-12928 |
| Journal | Chemical Communications |
| Volume | 56 |
| Issue number | 85 |
| Early online date | 18 Sept 2020 |
| DOIs | |
| Publication status | Published - 4 Nov 2020 |
ASJC Scopus subject areas
- Catalysis
- Electronic, Optical and Magnetic Materials
- Ceramics and Composites
- General Chemistry
- Surfaces, Coatings and Films
- Metals and Alloys
- Materials Chemistry
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