I've never been sold on Lithium ion batteries. Fire hazard, not cost, is the principal reason. This problem might be rare, but the consequence if electronic circuit protection fails, or another source of heat is introduced, are dire. Just YouTube search lithium battery fire.
The solution is perhaps in sight. Stanford Uni have got the aluminum-ion battery working. A summary of some of the features (from the linked article) in the Nature journal article:
- Discharge voltage plateaus near 2V
- Specific capacity of about 70 mAh/g
- Coulombic efficiency of ~98%
- around one minute charge at ~4A/g (~3,000W/kg)
- 7,500 cycles without capacity decay
Updated: Aluminium ion battery hits thousands of cycles for grid storage | Electronics Weekly
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Posted by: cruisingfoiler@yahoo.com.au
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