Upper cover of nickel-hydrogen battery

• Main Authors: LING FUDONG, ZHANG MING, SHE PEILIANG, SU YINGDONG
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2010
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses an upper cover of a nickel-hydrogen battery, which relates to a shell structure of the nickel-hydrogen battery. The improvement of the upper cover is as follows: the middle part is provided with a liquid injecting hole; a ring-shaped pillar is arranged in the liquid injecting hole; a through hole inside the ring-shaped pillar is provided with a multi-hole filtering sheet; the top of the ring-shaped pillar is provided with a rubber sleeve cap; the upper port of the liquid injecting hole is provided with a covering sheet with exhaust holes. The upper cover is used for encapsulating of the nickel-hydrogen battery; the electrolyte is injected through the liquid injecting hole; gas with a certain pressure inside the battery can be smoothly exhausted, so as to effectively block leakage; the safety and the reliability are good; the structure is compact; the volume is small; therefore, the installing and the assembling of the nickel-hydrogen battery are convenient, meanwhile, the manufactu