Battery separator with battlemented rib

1. A battery separator comprising:

a membrane having a back web and at least two rows of a battlement rib standing on a same side of the back web.

2. The battery separator according to claim 1 wherein said ribs being either straight or wavy.

3. The battery separator according to claim 1 wherein each said battlemented rib having a solid portion.

4. The battery separator according to claim 3 wherein said solid portion having a truncated pyramidal shape.

5. The battery separator according to claim 1 wherein said membrane being selected from the group consisting of polyolefin, rubber, polyvinyl chloride, phenolic, cellulosic, or combinations thereof.

6. The battery separator according to claim 5 wherein said membrane being a polyolefin material.

7. A storage battery made with the battery separator of claim 1 .

8. The battery separator according to claim 1 , wherein said rows of said battlemented ribs being deregistered.

9. A battery separator comprising a membrane having a back web and at least two rows of a battlement rib standing on a same side of the back web, wherein said battlement rib has at least two solid portions and a short wall therebetween.

10. The battery according to claim 9 wherein said ribs being either straight or wavy.

11. The battery separator according to claim 9 wherein said solid portions having a truncated pyramidal shape.

12. The battery separator according to claim 9 wherein said membrane being selected from the group consisting of polyolefin, rubber, polyvinyl chloride, phenolic, cellulosic, or combinations thereof.

13. The battery separator of claim 9 wherein said membrane being a polyolefin material.

14. A storage battery made with the battery separator of claim 9 .

15. The battery separator according to claim 9 , wherein said rows of said battlemented ribs being deregistered.