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Hydrogen Storage Electrode Alloy Powders

1.Chemical compositions

ype C L T S E
Molecular Formula  ABx ABx ABx ABx ABx
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
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
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

3.Packing

Packed in aluminum foil bag with inner plastic bag in 5kgs or 10kgs. Plastic box in 20kgs or iron drum in 50kgs.Stored in temperature from -30℃~50℃ with validity period 180 days.

If you have any interest in our products, please feel free to contact us by email: sales@chinatungsten.com or by telephone:+86 592 5129696.