Sheets & Plates

Lithium-ion battery materials

Uses

Lithium-ion battery materials

Housing case materials and sealing materials
Busbars, tabs, etc.
Aluminum foil for current collectors

Uses

Aluminum alloys for busbars

Special features

By shifting from copper to aluminum, weight is lowered by 45%, and the cost is also reduced.
EC1: Compared with the pure-aluminum 1050-O, it has the same level of high conductivity and 1.5 times greater strength.
EC2: Conductivity is 57% of copper. The amount of electric current is the same as copper when the sheet thickness is 1.8 times higher.

Mechanical properties

Alloy designation	Tensile strength (N/mm²)	Proof stress (N/mm²)	Elongation (%)	Conductivity (%IACS)
EC1-H18	130	125	6	61
EC2-T6	205	180	10	57
1050-O	85	40	46	61
C1020-O (copper)	240	200	47	100

Housing case materials

Special features

High-strength, excellent in drawing and ironing processing
Excellent in pressure resistance, suppressing can body bulging

Properties

Alloy designation		Temper	Mechanical properties			Material properties				Notes
UACJ	AA		Tensile strength (N/mm²)	Proof stress (N/mm²)	Elongation (%)	Bulging resistance	Creep resistance	Square tube forming	Laser welding
MG212	-	O	174	62	28	◎	◎	〇	◎	Excellent balance of properties
		H14	245	225	5
3003S	3003	O	119	52	37	△	△	◎	〇	Al-Mn alloy materials
		H14	170	160	6
A350	1050	O	83	38	46	✕	✕	◎	△	Pure-aluminum materials
		H14	110	105	5