Effects of Magnesium Content on Structure and Electrochemical Properties of La-Mg-Pr-Al-Mn-Co-Ni Hydrogen Storage Alloys

Table 4

Composition determined using EDX at the centers of the D phase in the as-cast La_0.7−xMg_xPr_0.3Al_0.3Mn_0.4Co_0.5Ni_3.8 alloys.

x (N)	Analyzed composition (at.%)							Ratio
	La	Pr	Mg	Al	Mn	Co	Ni
0.1 (4)	<1	<1	<1	16–17	23–24	7–8	49–50	1.4
0.3 (6)	<1	<1	1–8	10–17	15–16	15–16	56–57	2.8
0.5 (8)	<1	<1	1–18	3–11	12–13	15–16	60–63	3.1
0.7 (5)	—	<1	21–23	1–2	7–9	5–13	61–65	2.0

Number of independent measurements from the D phase. (Pr,Mg,Al,Mn)/(Co,Ni).