Click here to load reader

: U ( X )z G ¡ | Ü ³ Ò å7Á å7Á #Ý É Ý © å È Ý î8® / ¦ q b ... Ò b1"8 >8 Ò G V3Ù bPBA è ¥ b 8 C X ? b0è q _ X 8 Z vXRD / W S @ x c ~7Á ¼ ì Û / W S Ì î

  • View
    3

  • Download
    0

Embed Size (px)

Text of : U ( X )z G ¡ | Ü ³ Ò å7Á å7Á #Ý É...

  • 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: PBA A2-xMyM’ CN 6 nH2O A: M, M’: [1]

    PBA AB CN 3 K1.85Mn1.08[Mn CN 6] 0.7H2O KMM [2] PBA

    PBA KMM K Li

    190 mAh/g LiCoO2 KMM

    KMM Li 50 50 K Cu K = 1.54 ex-situ

    X x-ray diffraction: XRD K K 2 K

    17 Li Li

    X K Mn 2 3

    KMM Mn C MnC6 N MnN6 2 Mn3+ K

    XRD K

    K Li KMM

  • Mn-C N-Mn PBA

    Cu K XRD

    XRD X d Mn-C N-Mn

    KMM Mn Fe

    K2Mn2-yFey CN 6 2.6H2O KMF Fe CN Fe Fe y 0~1 KMM

    KMF Mn Fe C N KMM Fe

    75 wt% : 20 wt% : 5 wt% 3 K

    0.3 mm BL19B2

    X 0.501 X

    1 BL19B2 KMM K XRD x = 1.85 XRD

    XRD x = 1.1 2

    x = 1 x = 0 x = 1.1 2 x = 1.1 K

    x = 1.1 x = 1 x = 0

    x = 1.1, 1, 0

    2 KMF Fe

    Fe Fe Mn Fe C N

    Mn or Fe -C N- Mn or Fe 4

    XRD Fe KMF KMM Fe 50% 2 ~ 8 002 , 211 , 002

    3 SEM Fe KMM 1 m nm

    Fe 10% 50% Fe 50% Fe Fe : Mn = 1:1

    4 Mn or Fe -C N- Mn or Fe

  • 1 KMM K XRD

    2 KMF a XRD b Fe

  • PBA XRD

    XRD SPring-8

    0.3 mm

    KMF Fe

    XRD BL19B2

    [1] M. Okubo et al., J. Phys. Chem. Lett. 1, 2063 2010 . [2] J.-H. Her et al., Inorg. Chem. 49, 1524 2010 .