Highly stable under hydrogen sulfide exposure environment without sulfation or discoloration, with stable battery performance and durability during charging and discharging.
Developed materials (electrolytic iron foil/Fe-Ni alloy foil)
Tensile strength (copper foil vs. ferrous metal foil)
Characteristics
Gas corrosion test (hydrogen sulfide)
Contact resistance ratio: 3.2
Contact resistance ratio: 1.0
Contact resistance ratio: 1.0
This is a before/after test comparison.
Cycle characteristics of SiO anode using various current collectors
External image of test battery after dismantling
（10µm）
（10µm）
（10µm）
Joint research organization: AIST Battery System