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Sigma-Aldrich

Mischmetal-nickel alloy

greener alternative

hydrogen-storage grade

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About This Item

Linear Formula:
(Ce, La, Nd, Pr)Ni5
CAS Number:
54426-34-5
MDL number:
MFCD00132807
UNSPSC Code:
26111700
NACRES:
NA.23
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grade

hydrogen-storage grade

description

Hydrogen Storage Capacity: 1.5-1.6 wt.% @25°C

form

powder

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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General description

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Application

Mischmetal-nickel alloy is a hydrogen storage alloy, which consists of rare earth metals and transition metals. It can be used as an anode material for the formation of nickel-metal hydride batteries. These batteries can further be utilized in hybrid vehicles.[1][2]

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Muta. 2 - Pyr. Sol. 1 - Repr. 1B - Resp. Sens. 1 - Self-heat. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 - Water-react 1

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
07227HH

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Recovery of valuable metals from a spent nickel-metal hydride battery: Selective chlorination roasting of an anodic active material with CCl4 gas
Kuzuya T, et al.
Separation and Purification Technology, 118, 823-827 (2013)
Structural, hydrogen storage and thermodynamic properties of some mischmetal-nickel alloys with partial substitutions for nickel
Kumar EA, et al.
Journal of alloys and compounds, 476(1-2), 92-97 (2009)

Questions

  1. What is powder size and oxygen content?

    1 answer

    1. The oxygen content of this material is not determined. The particle size of these granules is not tested on a lot-to-lot basis. However, historical data suggests <2 mm.

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