| abstract |
In some examples, a battery assembly for an implantable medical device includes: a first anode plate including a first anode current collector and a first active material on the first anode current collector; including a second anode current collector an anode current collector and a second anode plate of a second active material on the second anode current collector; and a cathode plate between the first anode plate and the second anode plate, wherein the cathode plate comprising a cathode current collector having an exposed portion, wherein the first active material is recessed relative to the exposed portion of the cathode plate such that, compared to a second closest perimeter of the second active material, The first proximal perimeter of the first active material is further from the exposed portion of the cathode current collector. |