A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An insulating mat is disposed between the negative current collector and the at least one carbon foam positive current collector.

 
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< Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

> Water absorbing hydrogels and methods of making and use thereof
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