Post on 23-Apr-2020
2010B1934 BL19B2
X
A Structural Study of Prussian Blue Analogues for Lithium-Ion Battery Electrodes by Synchrotron X-Ray Powder Diffraction
a, a, a, a
Daisuke Asakuraa, Masashi Okuboa, Eiji Hosonoa, and Haoshen Zhoua
a
aNational Institute for Advanced Industrial Science and Technology AIST
K1.85Mn1.08[Mn CN 6]X
X
K2M2-yFey CN 6 Fe Fe
/Li Li-ion battery: LIB
LIB
Metal Organic Framework Prussian blue analogue: PBAA2-xMyM’ CN 6 nH2O A: M, M’: [1]
PBA AB CN 3
K1.85Mn1.08[Mn CN 6] 0.7H2O KMM [2] PBAPBA
KMM K Li190 mAh/g
LiCoO2 KMM KMM Li 50
50 K Cu K = 1.54 ex-situ X x-ray diffraction: XRD K K
2 K17 Li
Li
X K Mn 2 3KMM Mn C MnC6 N
MnN6 2 Mn3+ KXRD K
K Li
KMM
Mn-C N-MnPBA
Cu K XRD
XRDX d Mn-C N-Mn
KMM Mn Fe
K2Mn2-yFey CN 6 2.6H2O KMF Fe CNFe Fe y 0~1 KMM
KMF Mn Fe CN KMM Fe
75 wt% : 20 wt% : 5 wt%3 K
0.3 mmBL19B2
X 0.501 X
1 BL19B2 KMM K XRDx = 1.85 XRD
XRD x = 1.12
x = 1 x = 0 x = 1.12 x = 1.1 K
x = 1.1 x = 1x = 0
x = 1.1, 1, 0
2 KMF Fe
Fe Fe MnFe C N
Mn or Fe -C N- Mn or Fe4
XRD Fe KMF KMM Fe50% 2 ~ 8 002 , 211 , 002
3 SEM FeKMM 1 m nm
Fe 10% 50% Fe 50%Fe Fe : Mn = 1:1
4Mn or Fe -C N- Mn or Fe