Battery cap assembly and battery
A battery and cap technology, which is applied in the field of battery cap components, can solve the problems of easy contact with the inner wall of the battery cylinder, the solder joints of the pull plate and the explosion-proof film falling off, and the heating of the battery, so as to avoid explosion injury and sealing Poor performance, less damage effect
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[0027] Hereinafter, the present invention will be further described in detail through specific embodiments in conjunction with the drawings.
[0028] Such as Figure 5 A cylindrical lithium ion battery shown includes: a battery barrel 1, a cap assembly 2, a battery electrode group 3, a support frame 4, an electrode lead-out terminal, and a top spacer 6.
[0029] The battery pole group 3 and the support frame 4 are arranged in the cavity of the cylinder 1. The electrode lead-out terminal includes a positive / negative lead terminal 51 arranged above the battery electrode group 3 and a negative / positive lead terminal 52 arranged below the battery electrode group 3. The positive / negative lead terminal 51 is electrically connected to the battery cap assembly 2, and the negative / positive lead lead terminal 52 is electrically connected to the inner wall of the battery cylinder. The upper and lower ends of the battery pole group 3 are provided with top spacers 6 to provide electrical insul...
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