| AXION POWER INTERNATIONAL, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110281162 | Negative Electrode for Hybrid Energy Storage Device - A negative electrode for a hybrid energy storage device includes a current collector; a corrosion-resistant conductive coating secured to at least one face of the current collector; a sheet comprising activated carbon adhered to the corrosion-resistant conductive coating; a tab portion extending from a side of the negative electrode; and a lug comprising a lead or lead alloy that encapsulates at least part of the tab portion. | 11-17-2011 |
| 20100091430 | Hybrid Energy Storage Device and Method of Making Same - A hybrid energy storage device includes at least one cell comprising at least one positive electrode, at least one negative electrode, a separator placed between said at least one positive and said at least one negative electrode, and an electrolyte. The at least one positive electrode comprises an active material comprising lead and a tab extending from a side of the at least one positive electrode. The at least one negative electrode comprises an activated carbon material, a tab extending from a side of the at least one negative electrode, and a lead lug encapsulating said tab. A first cast-on lead strap is on the tab extending from said at least one positive electrode. A second cast-on lead strap is on the lead lug of the at least one negative electrode. | 04-15-2010 |
| 20100040950 | Negative Electrode for Hybrid Energy Storage Device - A negative electrode for a hybrid energy storage device includes a current collector; a corrosion-resistant conductive coating secured to at least one face of the current collector; a sheet comprising activated carbon adhered to the corrosion-resistant conductive coating; a tab portion extending from a side of the negative electrode; and a lug comprising a lead or lead alloy that encapsulates at least part of the tab portion. | 02-18-2010 |
| 20090103242 | Electrode with Reduced Resistance Grid and Hybrid Energy Storage Device Having Same - An energy storage device includes at least one positive electrode comprising a current collector comprising lead and having a plurality of raised and lowered portions with respect to a mean plane of the current collector and slots formed between the raised and lowered portions, wherein lead dioxide paste is adhered to and in electrical contact with the surfaces thereof; and a tab portion; and at least one negative electrode comprising a carbon material. | 04-23-2009 |
