This is a table of specific energy densities by magnitude. Unless otherwise noted, these values assume standard ambient temperature and pressure.
| Order of magnitude J/(kg) |
Specific energy density | Storage method |
|---|---|---|
| 102 | 2.8 | Day Laborer (for that day) |
| 4 | Heel-Strike Generator Using Electrostrictive Polymers | |
| 103 | ||
| 104 | ||
| 105 | 2.16 | NiMH rechargeable batteries |
| 6.12 | Lead acid car batteries | |
| 6.3 | Li-ion watch batteries | |
| 106 | 16 | wood fuel |
| 17 | Protein (contains about 4 nutritional calories per gram) | |
| Carbohydrates (contains about 4 nutritional calories per gram) | ||
| 25 | ethanol | |
| 29 | Alcohol (contains about 7 nutritional calories per gram) | |
| 38 | Fat (contains about 9 nutritional calories per gram) | |
| 44 [1] | Petrol (gasoline) | |
| 120 | Hydrogen |
See also
References
- ^ Golnik, Arthur (2003). "Energy Density of Gasoline". The Physics Factbook. http://hypertextbook.com/facts/2003/ArthurGolnik.shtml.
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