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9Â¥2009-06-03 18:51:03
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Unfortunately, this is typically what you need to heat a four-story building! The problem is further exacerbated by the heat being concentrated in the small volume of the battery, so that this heat must be removed if you do not want your battery to be volatilized before the end of the first charge. To water-cool the battery, for instance, dissipation of 60x106 J would cause 170 liters of water to rise from room temperature to boiling point. So, an electric current of 900 A on recharging is not recommended for safety even if charge storage at his rate were possible. Ì«¸ãЦÁË¡£¡£¡£ |
7Â¥2009-06-03 12:11:56
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