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㸶㸬᪂࠸ࡋ㟁ụᢏ⾡✲◊ࡢ㛤Ⓨ 㟁Ẽ㟁ᏊሗᕤᏛ⣔ ᩍᤵ ຓᩍ ᮾᇛ 㸶㸫㸯 ࡌࡣ 㟁ụ௦⾲㟁ụ㸪ᦠᖏ㟁ヰࢥࢯᑠᆺᶵჾ ࡀ⏝ὀຊ㸪ᗈᬑཬࡢࡑࠋ᪉㸪㟁Ẽ⮬㌴⮬↛ࡓࡋⓎ㟁 ࢸࢫࢩᆺ㟁ụ⏝ウ㒊ᐇ⏝㸪᭦ᐦᗘ㛗ᑑ 㢌ᡴࡢࡕ≧ἣ࠶ࡘࡘ㸪⌧⾜㟁ụᛶ⬟᪂ᆺ㟁ụ᪩ᮇ㛤Ⓨ ࠋࡓ࠸ࡢ⾜⌧ࡓ㟁ụᵓᡂ㟁ᴟ㟁ゎ㉁ᮦᩱᯤῬᏳᛶほⅬ㸪᪂ᆺ㟁ụᮦᩱ㛤Ⓨ ࠋࡓࡗ࠶⌧ᅾ㸪᪂ᆺ㟁ụὀ┠㟁ụ࠶ࡀࡢࡇࠋ㟁ụ(Ca 2+ ) ࠸⏝ࡀ㸪౯(Li + ) ࡏࡉ 㟁ụẚ㟁ụ⌮ࡢㄽᐜ㔞㸪㇏ᐩ㈨※㔞㸪㧗Ᏻᛶ➼Ⅼ᭷ 㸪ᑗ᮶ⓗᐇ⏝ᮇᚅࡀ࡞ࡋ㟁ụ㏫ⓗసᐇ⌧㸪ゎỴㄢ㢟ⅬᏑᅾࡢࡇ㟁ụ₯ᅾⓗᛶ⬟ᘬࡓࡍ㟁ᴟᮦᩱ㟁ゎ㉁ᮦᩱ㸪᪤ 㟁ụᮦᩱ௦᪂つ㟁ụᮦᩱ⌧ࠋᅾ㸪ᡃࡢࠎᏛ◊✲ᶵ 㛵㸪ᒙ≧ᵓ㐀᭷ࢪࢼ㓟≀ᵓ㐀᭷㓟≀➼࡞ࡁ 㓟≀ᮦᩱ㟁ụ⏝㟁ᴟ⏝ᤄධ⬺㞳ሗ࿌ ࡇࡑ✲◊ࡢࠎ㸪㏙✲◊ࡢᡂᯝ⤖ᬗᏛ㟁ẼᏛ▱ࡢぢά㸪ḟඖᒙ≧ᵓ㐀 (Ca 0.5 CoO 2 ) 㸪ḟඖᵓ㐀᭷ఝయ(PBA) ⤖ࡢᬗᵓ㐀Ᏻᐃᛶ╔┠㟁ụ᪂つṇᴟᮦᩱタィ┠ᣦ ࠋࡓࡋ㸦㸯㸧&D [ &R2 ⤖ࡢᬗᵓ㐀ᐃᛂᘧ 8-1-1 Ca 0.5 CoO 2 ⤖ࡢᬗᵓ㐀ᒙ≧ᒾሷᆺᵓ㐀CoO 6 ඵ㠃యኈ⛸ࡀඹ᭷ᒙ≧ᵓ㐀ᒙ㛫 Ca 2+ Ꮡᅾᵓ㐀ࡓࡢࡑࠋ㸪⌧⾜㟁ụṇᴟ ᒙ≧ᒾሷᆺᵓ㐀 LiCoO 2 ᵝ㸪 Ca 0.5 CoO 2 Ca 2+ ab ᖹ㠃ෆ⛣ࡢ㸪⤖ᬗᵓ㐀㏫ⓗኚ Ca 2+ ㏫ⓗ⬺࡞㞳ᤄධᮇᚅCa x CoO 2 ṇᴟᮦᩱࡓ࠸ᐃᛂᘧ௨ୗ♧ ࠋࡍCa x CoO 2 я x Ca 2+ 2x e - CoO 2 x = 0.5 ࡓࡋሙ㸪┦Co 3+ /Co 4+ 㟁Ⲵ⿵ൾࡓࡢࡑࠋCa x CoO 2 Ca 2+ x ಶ⬺㞳ᮇᚅࡋࠋࡀ࡞ࡋ㸪ᒙ≧ᒾሷᆺ㓟≀≉ᚩCoO 6 ᅗ &D &R2 ⤖ࡢᬗᵓ㐀 - 72 -
10

>6>, K 87Á å /¡ b%Ê'26ä$Î 7Á ¼ í7Á Ê d Û(Ô M 5 ä M …...b +)] )(++ + _>* + ...

Apr 23, 2020

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  • (Ca2+) (Li+)

    (Ca0.5CoO2)(PBA)

    8-1-1 Ca0.5CoO2 CoO6Ca2+

    LiCoO2 Ca0.5CoO2 Ca2+ ab

    Ca2+

    CaxCoO2

    CaxCoO2 xCa2+ 2xe- CoO2 x = 0.5 Co3+/Co4+ CaxCoO2

    Ca2+ x CoO6

    - 72 -

  • Co Co

    Ca0.5CoO2 Ca0.5CoO2

    8-1-2 PBA5~6 Å

    PBA AxM[M’(CN)6] nH2O MM’-PBA

    Ax (K) M M’ (Fe) (PBA)Ax M M’ Fe, Co, Ni, Mn PBA CaFe[Fe(CN)6]

    CaFe(II)[Fe(II)(CN)6] Ca2+ 2e- Fe(III)[Fe(III)(CN)6]

    PBA Fe2+/Fe3+ Ca2+

    1 PBA

    Ca2+ PBAM’ = Fe MFe-PBA M

    = Co, Ni, Mn MFe-PBA Ca2+ MFe-PBA

    10 mol% Na2O2 Co3O4 Ar650 , 16 h O2 (1 L/min) 8-2-1

    NaCoO2 XNaCoO2

    - 73 -

  • 10 mol% Ca(NO3)2 4H2O NaCoO2 Ar300 , 48 h 8-2-2

    X Ca0.5CoO2 Ca0.5CoO2

    (FE-SEM)X (EDX) 8-2-3

    NaCa Na+

    Ca2+ EDX

    - 74 -

  • 0.05 mol L-1 K3[Fe(CN)6] 0.1 mol L-1 MCl2 2 h

    80 24 h M Ni Mn CoM = Ni 80 8-2-4

    XMFe-PBA (M = Ni, Mn, Co)

    MFe-PBA(FE-SEM) X (EDX)

    8-2-5 MFe-PBA NiFe-PBACoFe-PBA MnFe-PBA 8-2-4

    - 75 -

  • MnFe-PBA PBAMnFe-PBA XRD EDX

    MFe-PBAK K MFe-PBA

    Ca0.5CoO2 V2O570 25 5

    80 , 12 hAg/Ag+ 0.5 mol L-1 Ca[N(SO2CF3)2]2/AN

    Ar

    Ca0.5CoO2Ca2+

    80 mAhg-1 Ca0.5CoO2

    30 50 Acm-2 80 mAhg-1 Ca0.5CoO2 1.3 V vs. Ag/Ag

    + -3.0 V vs. Ag/Ag+

    - 76 -

  • 8-3-1 Ca0.5CoO2Ca2+

    Ca0.5CoO2

    MFe-PBA NiFe-PBANiFe-PBA

    NiFe-PBA70 20 10

    80 10 1080 , 12 h

    PBA150 6 h Ar

    Ag/Ag+ 0.5 mol L-1 Ca[N(SO2CF3)2]2 /AN Ar

    NiFe-PBA

    30 25 Acm-2 1.0 V vs. Ag/Ag+ -1.0 V vs. Ag/Ag+

    8-3-2 NiFe-PBA 0.2 ~ -0.1 V vs. Ag/Ag+

    0.4 V vs. Ag/Ag+

    Ca2+

    NiFe-PBA

    - 77 -

  • Ca0.5CoO2 80 mAhg-1

    X 8-4-1 XRDSi 8-4-1 CoO6(001), (002)

    Ca2+

    Ca2+

    - 78 -

  • Ca2+

    EDXCo 8-4-2

    8-4-2 CaCa0.5CoO2 Ca

    2+ Ca2+

    NiFe-PBA

    X 8-4-3 XRDSi 8-4-3 NiFe-PBA (200),

    (220) Ca2+

    Ca2+

    - 79 -

  • Ca2+

    EDX Fe8-4-4 8-4-4 Ca PBA Ca2+

    Ca NiFe-PBA Ca2+

    K PBAK+ K

    PBA K+ Ca2+ NiFe-PBA

    Ca2+ NiFe-PBA X(XPS)

    XPS 8-4-5 8-4-5 Fe 2p XPS NiFe-PBA Ca2+

    Fe3+ Fe3+ Fe2+

    NiFe-PBA Ca2+ Fe2+

    Fe2+ Fe3+ 8-4-5 Ni 2p XPSNi2+

    Ni2+ 863 eV NiNi Ca2+

    - 80 -

  • Ca0.5CoO2(MFe-PBA) NaCoO2Ca0.5CoO2 M = Ni, Co, Mn

    MFe-PBA

    Ca0.5CoO2MFe-PBA NiFe-PBA

    NiFe-PBA

    - 81 -

    1下版_150305(山下_豊橋技科大「平成26最終報告書」)本文34