Implantable energy storage device including a connection post to connect multiple electrodes

摘要

An example includes a capacitor case sealed to retain electrolyte, at least one anode disposed in the capacitor case, the at least one anode comprising a sintered portion disposed on a substrate, an anode conductor coupled to the substrate in electrical communication with the sintered portion, the anode conductor sealingly extending through the capacitor case to an anode terminal disposed on the exterior of the capacitor case with the anode terminal in electrical communication with the sintered portion, a second electrode disposed in the capacitor case, a separator disposed between the second electrode and the anode and a second electrode terminal disposed on an exterior of the capacitor case and in electrical communication with the second electrode, with the anode terminal and the second electrode terminal electrically isolated from one another.

主权项

1. An apparatus, comprising:
a capacitor case sealed to retain electrolyte; a first electrode disposed in the capacitor case, the first electrode comprising a substrate with a sintered portion on a side of the substrate, the sintered portion bordering a connection portion on the side of the substrate, the connection portion substantially free of sintering; a connection post connected to the substrate at the connection portion, wherein the connection post comprises an elongate post that is pierced through the connection portion; a first electrode terminal disposed on an exterior of the capacitor case in electrical communication with the connection post and the first electrode; a second electrode disposed in the capacitor case; a separator disposed between the second electrode and a first electrode; and a second electrode terminal disposed on an exterior of the capacitor case and in electrical communication with the second electrode, with the first electrode terminal and the second electrode terminal electrically isolated from one another; wherein the case includes a dish portion and lid portion, with the connection post fixed to the dish portion and extending out of an interior of the dish portion, wherein the connection post is capped with an electrically insulative cap.