8．新しい電池技術の研究開発電気・電子情報工学系教授櫻井庸司

(Ca2+)
(Li+)
(Ca0.5CoO2)
(PBA)
Ca0.5CoO2
8-1-1
CoO6
2+
Ca
LiCoO2
Ca2+
Ca0.5CoO2
Ca2+
ab
CaxCoO2
CaxCoO2
x = 0.5
2+
Ca
xCa2+
Co3+/Co4+
x
- 72 -
2xe-
CoO2
CaxCoO2
CoO6
Co
Co
Ca0.5CoO2
8-1-2
Ca0.5CoO2
PBA
5~6 Å
PBA
Ax
PBA
PBA
1
AxM[M’(CN)6] nH2O
(K) M M’
(Fe)
Ax
M M’ Fe, Co, Ni, Mn
CaFe[Fe(CN)6]
Ca2+
2eCaFe(II)[Fe(II)(CN)6]
Fe2+/Fe3+
PBA
Ca2+
PBA
M’ = Fe
= Co, Ni, Mn
650
MFe-PBA
10 mol%
(1 L/min)
, 16 h O2
NaCoO2
Na2O2
Co3O4
MM’-PBA
(PBA)
Fe(III)[Fe(III)(CN)6]
Ca2+
MFe-PBA
Ca2+
M
MFe-PBA
Ar
8-2-1
X
NaCoO2
- 73 -
10 mol%
300
Ca(NO3)2 4H2O
, 48 h
X
NaCoO2
Ar
8-2-2
Ca0.5CoO2
Ca0.5CoO2
(FE-SEM)
X
(EDX)
8-2-3
Na
Na+
Ca
Ca2+
EDX
- 74 -
0.05 mol L-1 K3[Fe(CN)6]
80
24 h
M = Ni
80
X
MFe-PBA (M = Ni, Mn, Co)
0.1 mol L-1 MCl2
M
2h
Ni Mn Co
8-2-4
MFe-PBA
(FE-SEM)
8-2-5
MFe-PBA
CoFe-PBA MnFe-PBA
X
(EDX)
NiFe-PBA
8-2-4
- 75 -
MnFe-PBA
MnFe-PBA
PBA
XRD
EDX
MFe-PBA
K MFe-PBA
K
Ca0.5CoO2
V2O5
70 25 5
80 , 12 h
Ag/Ag+
0.5 mol L-1 Ca[N(SO2CF3)2]2/AN
Ar
Ca0.5CoO2
Ca2+
80 mAhg-1 Ca0.5CoO2
50 Acm-2
30
80 mAhg-1 Ca0.5CoO2
-3.0 V vs. Ag/Ag+
1.3 V vs. Ag/Ag+
- 76 -
Ca0.5CoO2
Ca2+
8-3-1
Ca0.5CoO2
MFe-PBA
NiFe-PBA
NiFe-PBA
NiFe-PBA
70 20 10
80 10 10
80 , 12 h
PBA
150
6 h Ar
+
0.5 mol L-1 Ca[N(SO2CF3)2]2
Ag/Ag
/AN
Ar
NiFe-PBA
25 Acm-2
30
1.0 V vs. Ag/Ag+
-1.0 V vs. Ag/Ag+
0.2 ~ -0.1 V vs. Ag/Ag+
8-3-2
NiFe-PBA
0.4 V vs. Ag/Ag+
Ca2+
NiFe-PBA
- 77 -
Ca0.5CoO2
X
Si
(001), (002)
Ca2+
80 mAhg-1
8-4-1
Ca2+
- 78 -
XRD
8-4-1
CoO6
Ca2+
EDX
Co
8-4-2
8-4-2
Ca
Ca0.5CoO2
Ca2+
Ca2+
NiFe-PBA
X
Si
8-4-3
XRD
8-4-3
(220)
Ca2+
- 79 -
NiFe-PBA
Ca2+
(200),
Ca2+
EDX
8-4-4
8-4-4
Fe
Ca
PBA
Ca
Ca2+
NiFe-PBA
Ca2+
K
PBA
+
K
K
+
PBA
2+
Ca
K
Ca2+
NiFe-PBA
NiFe-PBA
(XPS)
XPS
8-4-5 Fe 2p
Fe3+
X
8-4-5
XPS
Ca2+
NiFe-PBA
Fe2+
Ni2+
Fe3+
Ni2+
863 eV
Ni
Ca2+
NiFe-PBA
Fe3+
Fe2+
2+
Ca
- 80 -
Fe2+
8-4-5 Ni 2p
Ni
XPS
Ca0.5CoO2
(MFe-PBA)
Ca0.5CoO2
NaCoO2
M = Ni, Co, Mn
MFe-PBA
Ca0.5CoO2
MFe-PBA
NiFe-PBA
NiFe-PBA
- 81 -

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