Table 3 Comparison of rechargeable batteries
From: An intelligent solar energy-harvesting system for wireless sensor networks
Sequence number | Voltage/V | Volumetric energy density/Wh/L | The number of cycles | Self-discharge rate/%Â M-1 | Memory effect | Environmental protection |
|---|---|---|---|---|---|---|
1 | 2.0 | 60 ~ 75 | 250 ~ 300 | 5 ~ 15 | No | Poisonous |
2 | 1.2 | 110 ~ 130 | 300 ~ 700 | 15 ~ 30 | Yes | Poisonous |
3 | 1.2 | 140 ~ 300 | 400 ~ 1000 | 25 ~ 35 | Little | Harmfulness |
4 | 3.7 | 250 ~ 360 | 500 ~ 1000 | 5 ~ 10 | No | Harmfulness |
5 | 3.7 | 300 ~ 460 | 500 ~ 1000 | 2 ~ 5 | No | Non-poisonous |