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Ultra low-cost hydrogen storage alloy:used as the key material ofthe high capacity and no pollution .

 

 Ultralow-cost  hydrogen storagealloy  

 

   

1. TypeL6A: Ultra low-cost2. AppearanceSilver gray metal powder, without color change of oxidizationand impurities3. Micro-CrystalStructureCaCu5 type crystal structure with littlesecond-phase4. PhysicalpropertyThe hydrogen storage alloys have various specifications ofparticle sizes, such as -120 mesh, -150 mesh, -200 mesh and -230mesh, which could be adjusted according to the demand of customers.-120 mesh and -150 mesh are suitable for dry-producing technologyof the electrode of battery, while -200 mesh and -230 mesh aresuitable for wet-producing technology.

Spec.	Mass Percent (wt.%)
	-120 mesh	-150 mesh	-200 mesh	-230 mesh	-400 mesh
-1	≥ 97				≤ 25
-2		≥ 97			≤ 35
-5			≥ 96		≤ 65
-6				≥ 95

The bulk density varies as the particle size changes and couldbe adjusted properly according to the demand of customers.

Spec.	-1	-2	-5	-6
Bulk Density (g/cm3)	3.2~3.7	3.0~3.6	2.9~3.5	2.6~3.2
Tap Density (g/cm3)	≥4.3

5. ElectrochemicalProperty

Parameter	Test Condition	Standard Requirement
Discharge Capacity (mAh/g)	20±5°C, at 60mA/g charge and dischargecurrent	≥300
	20±5°C, at 300mA/g charge and dischargecurrent	≥280
Cycle Life (times)	20±5°C,at 300mA/g charge and dischargecurrent	≥200

6. PCT CurveEquilibrium Pressure (45°C, H/M=0.5): 0.025±0.01MPa 7. Packaging, Storage andSuggestionsPackaging: The product is reserved in vacuum aluminum foil bagper 5 kg, and packed in carton per 20 kg.Storage: It could be kept for one year while the packaging isin good condition. once the bag is open, please use it within 4hours. If the bag is open, but it is protected by the charged Argonor Nitrogen, please use it within 24 hours.Suggestions: Due to the ultra low cost, it is fit for theproduction of low capacity batteries.