Heat dissipation type nickel-metal hydride battery

Abstract

The invention provides a heat dissipation type nickel-metal hydride battery. A main body is a cylindrical nickel-metal hydride battery and is formed by arranging a roll core in a casing. The heat dissipation type nickel-metal hydride battery further comprises a heat dissipation rod, and the heat dissipation rod is a cylinder with the same height as the nickel-metal hydride battery and is filled with condensed fluid. The roll core is formed by parallel connection of a plurality of sub roll cores, and the sub roll cores respectively surround the heat dissipation rod. The heat dissipation type nickel-metal hydride battery is simple in structure, the heat dissipation rod is added on the basis of a traditional nickel-metal hydride battery, the sub roll cores in parallel connection are arranged around the heat dissipation rod, the problem that the nickel-metal hydride battery generates excessive heat in the using process can be effectively solved; and the nickel-metal hydride battery is good in electric storage performance and high in use efficiency. A heat dissipation device comprises cooling fins and an isolation casing; the cooling fins are a plurality of independent heat conduction blocks and are good in heat conduction effect; and the isolation casing has the effect of electric leakage resistance and avoids the short circuit caused by the contact between the roll core and the cooling fins.

Description

technical field [0001] The invention relates to a nickel-hydrogen battery, in particular to a heat dissipation type nickel-hydrogen battery. Background technique [0002] Ni-MH batteries are synthesized by hydrogen ions and metal nickel, and have 30% more power reserve than Ni-Cd batteries, are lighter than Ni-Cd batteries, have a longer service life, and are non-polluting to the environment. The disadvantage of nickel metal hydride batteries is that the price is much more expensive than nickel cadmium batteries, and the performance is worse than lithium batteries. [0003] The "metal" part in a NiMH battery is actually a metal hydride. Used in the manufacture of Ni-MH batteries, they are mainly divided into two categories. The most common one is AB5, A is a mixture of rare earth elements (or) plus titanium (Ti); B is nickel (Ni), cobalt (Co), manganese (Mn), (or) and aluminum ( Al). The "multi-component" electrodes of some high-capacity batteries are mainly composed o...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above problems, the present invention provides a simple structure, which can effectively reduce the problem of excessive heat generated by the nickel-metal hydride battery during use, and at the same time, the nickel-hydrogen battery has good power storage performance and a high use efficiency technical solution:

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