Patent ID: 9444398
Filing Date: 2016-09-13
CPC Classification: H01L,H01M,H02S,Y02E,Y02P

Claim Text:
1. A rechargeable battery assembly, comprising: a semiconductor substrate; a micro battery cell formed on the semiconductor substrate, wherein the micro battery cell comprises a cathode and an anode that extends from the cathode to an anode contact on a top surface of the micro battery cell, and wherein the cathode comprises a flange that extends from beneath the anode within the micro battery cell; and a solar charger coupled to the micro battery cell, wherein the solar charger has a front contact and a back contact, wherein the back contact of the solar charger is disposed proximal to the anode contact and wherein the cathode is connected to the front contact of the solar charger at least in part by a through-silicon-via that extends from the flange of the cathode within the micro battery cell to the top surface of the micro battery cell.