Tab space ring for columnar battery and columnar battery with same

The utility model discloses a pole lug space ring for a columnar battery and the columnar battery with the pole lug space ring. The tab space ring comprises a space ring body, the space ring body is an insulating part, the space ring body is provided with a first isolation hole for a positive tab to pass through and a second isolation hole for a negative tab to pass through, the first isolation hole and the second isolation hole are both through holes, and the first isolation hole and the second isolation hole are separated. According to the tab space ring for the columnar battery, the first isolation hole for the positive tab to pass through and the second isolation hole for the negative tab to pass through are formed, so that the positive tab and the negative tab can be isolated, the contact between the positive tab and the negative tab is effectively avoided, and the short circuit of the battery caused by the contact between the positive tab and the negative tab is also avoided; and the safety performance