Hydrogen Storage Electrode Alloy Powders

We can supply hydrogen storage electrode alloy powders with different specifications.

The chemical and physical characteristics can be adjusted according to the requirements of the customers.

1.Chemical compositions

Type			C	L	T	S	E
Molecular Formula			ABx	ABx	ABx	ABx	ABx
Molecular Formula			x=5.1±0.10	x=5.1±0.10	x=4.85±0.10	x=5.15±0.10	x=5.25±0.10
Major elements	Mm(trE)(%)		32.7±1.0	32.6±1.0	34.0±1.0	32.4±1.0	32.2±1.0
Major elements	Co(%)		10.0±0.5	10.0±0.5	10.2±0.5	5.0~9.0	3.0~7.0
Impurities (%)	O		≤0.1	≤0.1	≤0.1	≤0.1	≤0.1
	Fe		≤0.1	≤0.1	≤0.1	≤0.1	≤0.1
	Mg		≤0.03	≤0.03	≤0.03	≤0.03	≤0.03
	Zn		≤0.02	≤0.02	≤0.02	≤0.02	≤0.02
	Ca		≤0.02	≤0.02	≤0.02	≤0.02	≤0.02
	C		≤0.02	≤0.02	≤0.02	≤0.02	≤0.02
	Pb		≤0.02	≤0.02	≤0.02	≤0.02	≤0.02
Electrochemical Property	Cycle life (100%DOD)		≥500	≥600	≥400	≥500	≥500
	Electrochemical capacity		≥320mAh/g	≥310mAh/g	≥300mAg/g	≥320mAh/g	≥300mAh/g
	Voltage flat(1.2V/1.0V)		≥80%	≥80%	≥85%	≥80%	≥80%
Property of hydrogen absorbing and releasing	Hydrogen absorbing capacity(Hab/m)	10atm	>0.90H/M	>0.90H/M	>0.85H/M	>0.90H/M	>0.85H/M
	Hydrogen absorbing capacity(Hab/m)	3atm	>0.80H/M	>0.80H/M	>0.65H/M	>0.80H/M	>0.78H/M
	Equilibrium hydrogen pressure(at H/M=0.4)		0.4±0.1atm	0.35±0.1atm	1.3±0.1atm	0.5±0.1atm	0.45±0.1atm
	Plateau Property		≤0.5	≤0.5	≤0.5	≤0.5	≤0.5
	Recommend usages		Suitable to produce high capacity battery	Suitable to produce long cycle life battery	Suitable to produce low temperature performance battery	Suitable to produce power battery	Suitable to produce economic battery

2.Physical characteristics

		Partied size recommended for dry process	Partied size recommended for wet process
LSA D50		68±5um	44±5um
Sieve analysis size	-100目(150um)	100%	100%
	-140目(106um)	≥97%	≥99%
	-200目(75um)	≥65%	≥85%
	-325目(45um)	≥30%	≥60%
	-400目(38um)	≤23%	≥40%
Apparent density		≥3.4g/cm3	≥3.2g/cm3
Tap density		≥4.4g/cm3	≥4.4g/cm3