NSM3-2C (3 cobalt without praseodymium neodymium with copper)

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Hydrogen storage alloy

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13736013236

sjkj_zuoyl@shenjianggroup.com

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Parameters

NSM3-2C (3 cobalt without praseodymium neodymium with copper)

Specifications of Type Anode Hydrogen Storage Alloy Powder

1. Molecular formula, chemical composition and control range

1.1 MmNi_3.90Co_0.27Mn_0.41Al_0.6 X_0.51

1.2 Composition of main elements and impurities(wt.%)

Element name	Mm	Ni	Co	Mn	Al	X(Interstitial alloy)
Composition range	31.20±0.8	margin	3.6±0.2	5.1±0.2	1.6±0.2	7.2±0.5
Impurity name	Fe	Zn	Ca	Mg	O
Impurity content	≤0.12	≤0.15	≤0.005	≤0.015	≤0.12

2. performance

2.1 Electrochemical performance（21±1℃）

Property name \ Test standard	0.2C	1C
Discharge capacity(mAh/g)	≥300	≥280
Cycle life (times)	/	≥400

2.2 Hydrogen absorption and desorption performance

80℃ Hydrogen release equilibrium pressure(H/M=0.4)： 0.15±0.05MPa

3. Commonly used dry and wet process applicable particle size specifications and bulk density

Applicable process	Granularity interval					D50(μm)	Bulk Density(g/cm³)
Applicable process	+120	-150	-200	-300	-400	D50(μm)	Bulk Density(g/cm³)
Dry method (150 mesh)	0	≥90	55-75	30-50	≤30	80±5	3.3±0.3
Applicable process	Granularity interval					D50(μm)	Bulk Density(g/cm³)
Applicable process	+150	-180	-200	-300	-400	D50(μm)	Bulk Density(g/cm³)
Wet method (200 mesh)	0	≥95	≥90	50-70	30-50	55±5	3.1±0.2

Note: The above are only the two most commonly used particle size specifications. We can provide products with other particle size specifications according to customer specific requirements.

4. Recommendations

This type of alloy is a low-cobalt product with excellent comprehensive performance and low price.

This type of alloy powder is suitable for the production of low-cost batteries.

Note: Due to different processes, the above test results and parameters are only a reference for the design of the final battery product.

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