| Source：himax Date：2007-7-2 Degree：516 |
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A primary battery can discharge once only, while a second battery is rechargeable. When discharge a rechargeable battery, its electrode volume and structure cause a reversible change. Therefore the design of a rechargeable battery must be adequate to adjust these changes. Since a primary battery internal structure is more simple, it doesn’t have to accommodate reversible volume changes. The primary battery has bigger quality ratio and volume ratio than rechargeable battery, however it has a far bigger impedance, consequently the load capability is lower. Furthermore self-discharge of a primary battery is far lower than secondary one. |
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