Patent ID: 8465871
Filing Date: 2013-06-18
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. An electrochemical cell, said electrochemical cell comprising: a positive electrode comprising a positive electrode material and a positive electrode current collector, wherein the positive electrode material is in electronically conductive contact with the positive electrode current collector, and wherein the positive electrode current collector comprises a conductive non-metal substrate; a negative electrode comprising a negative electrode material and a negative electrode current collector, wherein the negative electrode material is in electronically conductive contact with the negative electrode current collector; an electronically insulative and ion conductive medium in ionically conductive contact with said positive electrode and said negative electrode, wherein said ionic conductive medium comprises an ion conductive layer and a corrosive electrolyte solution; at least one positive electrode tab having a first attachment end and a second attachment end, wherein said at least one positive electrode tab is metallic; wherein said at least one positive electrode tab is not in contact with said corrosive electrolyte; and wherein the first attachment end of said at least one positive electrode tab is connected to said conductive non-metal substrate by means of at least one rivet or staking; at least one negative electrode tab having a first attachment end and a second attachment end, wherein said first attachment end of said at least one negative electrode tab is connected to said negative electrode current collector.