2011A1760                BL20B2ᅛయ㧗ศᏊᙧ⇞ᩱ㟁ụ⏝ᚤ⣽ከᏍయ୰ࡢ㓟⣲ᣑᩓ࡜ᾮỈᣲືࡢྠ᫬ィᡭἲࡢ㛤Ⓨ
Research on simultaneous measurement method of oxygen diffusivity andvisualization of liquid water distribution by using synchrotron X-ray
tomography in micro porous media᫝⃝ ு a, ኱ᚨ ᛅྐ b, Ᏹ㧗 ⩏㑻 c, ୖᮡ ೺ኴᮁ d
Ryo Koresawa a, Tadafumi Daitoku b, Yoshiro Utaka c, Kentaro Uesugi daᶓ὾ᅜ❧኱Ꮫ ኱Ꮫ㝔 ᕤᏛᗓ, b ⛅⏣┴❧኱Ꮫ ࢩࢫࢸ࣒⛉Ꮫᢏ⾡Ꮫ㒊,cᶓ὾ᅜ❧኱Ꮫ ኱Ꮫ㝔 ᕤᏛ◊✲㝔, d㻔㈈㻕㧗㍤ᗘග⛉Ꮫ◊✲ࢭࣥࢱ࣮aYokohama National University, b Akita Prefectural University, c Yokohama National University, d JASRIᅛయ㧗ศᏊᙧ⇞ᩱ㟁ụ㻔PEFC㻕ࡢⓎ㟁ᛶ⬟ࢆ᭦࡟ྥୖࡉࡏࡿࡓࡵ࡟ࡣ㸪࢞ࢫᣑᩓᒙ㻔GDL䠅୰ࡢྵỈ᫬ࡢᾮỈࡢศᕸࡸᚤどⓗᙧ≧㸪࠾ࡼࡧࡑࢀࡽྵỈ≧ែ࡜㓟⣲ࡢᣑᩓ≉ᛶࡢ㛵ಀࢆ᫂ࡽ࠿࡟ࡍࡿᚲせࡀ࠶ࡿ㸬≉࡟㸪ᚤどⓗྵỈ≧ែࡣ୙Ᏻᐃ࡛ኚ໬ࡋ᫆ࡃ㸪ྠᵝࡢ≧ែࢆ෌⌧ࡍࡿࡇ࡜ࡀ㞴ࡋ࠸ࡓࡵ㸪ᚤどⓗྵỈ≧ែ࡜㓟⣲ᣑᩓ≉ᛶࡢ㛵ಀᛶࢆゎ᫂ࡍࡿࡓࡵࡢྠ᫬ィ ᡭἲࢆ㛤Ⓨࡋ㸪ᾮỈศᕸኚ໬࡟㛵ࡍࡿ࣓࢝ࢽࢬ࣒ࡢゎ᫂ࢆヨࡳࡓ㸬࣮࣮࢟࣡ࢻ㸸 ᅛయ㧗ศᏊᆺ⇞ᩱ㟁ụ㸪ከᏍ㉁୰ᾮỈศᕸ㸪㓟⣲ᣑᩓ㸪X ⥺ CT⫼ᬒ࡜◊✲┠ⓗ㸸ᅛయ㧗ศᏊᙧ⇞ᩱ㟁ụ㻔PEFC㻕䛿䠈㧗ฟຊᐦᗘ䠈㧗ຠ⋡䛛䛴᤼Ẽ➼䜒䜽䝸䞊䞁䛷䛒䜛䛯䜑䠈ḟୡ௦䛾⮬ື㌴⏝ືຊ※䜔ᐙᗞ⏝䝁䝆䜵䝛䝺䞊䝅䝵䞁㟁※䛸䛧䛶䛾฼⏝䛜ᮇᚅ䛥䜜䠈୍㒊ᐇ⏝໬䜒ጞ䜎䛳䛶䛔䜛䠊୍᪉䠈௒ᚋᗈ䛟ᬑཬ䛥䜜䜛䛯䜑䛻䛿䛔䛟䛴䛛䛾ㄢ㢟䜒ṧ䛳䛶䛔䜛䠊౛䛘䜀䠈䛭䛾ㄢ㢟䛾୍䛴䛸䛧䛶䠈㧗ຍ‵䠈㧗㟁ὶᐦᗘ㐠㌿᫬䛻䛚䛔䛶䠈཯ᛂ䛻䜘䜛⏕ᡂỈ䛜⭷㟁ᴟ᥋ྜయ㻔MEA㻕୰,≉䛻䜺䝇ᣑᩓᒙ㻔GDL㻕୰䛻จ⦰䞉⁫␃䛧䠈㟁Ẽ໬Ꮫ཯ᛂ䛻ᚲせ䛺㓟⣲ᣑᩓ䜢㜼ᐖ䛩䜛䝣䝷䝑䝕䜱䞁䜾⌧㇟䛜ᣲ䛢䜙䜜䜛䠊䛧䛯䛜䛳䛶䠈௒ᚋ䛥䜙䛻Ⓨ㟁ᛶ⬟䜢ྥୖ䛥䛫䜛䛯䜑䛻䛿䠈䛣䜜䜙 GDL ୰䛾ྵỈ᫬䛾ᾮỈ䛾ศᕸ䜔ᚤどⓗᙧ≧䜔䠈䛭䜜䜙ྵỈ≧ែ䛸㓟⣲䛾ᣑᩓ≉ᛶ䛾㛵ಀ䜢᫂䜙䛛䛻䛩䜛ᚲせ䛜䛒䜛䠊㻌 ⴭ⪅䜙䛾୍㒊䛿䠈㓟⣲྾཰య䜢⏝䛔䜛 GDL ከᏍయ䛾㓟⣲ᣑᩓ≉ᛶ䛾 ᐃἲ䜢㛤Ⓨ䛧䠈ᾮỈᏑᅾୗ䛻䛚䛡䜛 GDL ከᏍ㉁య䛾㓟⣲ᣑᩓ≉ᛶ䛾 ᐃἲ䜢ᥦ᱌䛧䛭䛾≉ᛶ䛻䛴䛔䛶᳨ウ䛧䛯[1]䠊䛥䜙䛻䠈୰ᛶᏊ⥺䝷䝆䜸䜾䝷䝣䜱[2]䠈X ⥺䝷䝆䜸䜾䝷䝣䜱[3,4]䛺䛹䛾ᡭἲ䜢⏝䛔䜛䛣䛸䛻䜘䜛 GDL ከᏍయෆ䛾ᾮỈศᕸ䞉ᣲື䛾ྍど໬ゎᯒ䜒㐍䜑䜙䜜䛶䛝䛶䛔䜛䠊ࡓࡔࡋ㸪ྵỈ᫬࡟࠾ࡅࡿᚤどⓗ࡞ᾮỈศᕸࢆྠᵝࡢ≧ែ࡟෌⌧ࡍࡿࡇ࡜ࡀ㞴ࡋ࠸ࡓࡵ㸪ᚤどⓗྵỈ≧ែ࡜ᣑᩓ≉ᛶࡢ㛵ಀᛶࢆゎ᫂ࡍࡿࡓࡵ࡟ࡣࡑࢀࡽࢆྠ᫬ ᐃࡍࡿᚲせࡀ࠶ࡿࡀ㐣ཤ࡟౛ࡀ࡞࠸㸬๓ሗ[5]࡛㸪BL20B2 ࢆ⏝࠸ࡓ 3 ḟඖ X ⥺ CT ྍど໬ᡭἲ࡟ࡼࡿ GDL ୰ࡢᾮỈศᕸ ᐃ࡜࢞ࣝࣂࢽ㟁ụࢆ⏝࠸ࡓ㓟⣲ᣑᩓ≉ᛶࡢྠ᫬ィ ࢆヨࡳ㸪㓟⣲ᣑᩓ≉ᛶࡢィ ࡜ CT ⏬ീ࡟ࡼࡿྍど໬ィ⤖ᯝ࡜ࡢᑐᛂᛶࡀ☜ㄆࡉࢀࡓ㸬ᮏ◊✲࡛ࡣ㸪๓ᅇィ ࡛ࡁ࡞࠿ࡗࡓ㸪㧗࠸ྵỈ⋡ࡢ≧ែ࠿ࡽ஝⇱≧ែࡲ࡛ࡢ᫬⣔ิࢹ࣮ࢱࡢྲྀᚓࢆ┠ⓗ࡜ࡍࡿ㸬ࡲࡓ㸪ヨᩱ࡜ࡋ࡚㸪᧕Ỉ㒊࡜ぶỈ㒊ࢆ᭷ࡍࡿ᪂ᵓ㐀ࡢࣁ࢖ࣈࣜࢵࢻ GDL ࢆ⏝࠸ࡓྠ᫬ィ ࢆᐇ᪋ࡋࡓ㸬ࡇࡢࣁ࢖ࣈࣜࢵࢻ GDL ࡣ㸪᧕Ỉ㒊࡜ぶỈ㒊ࡢ᥋ゐゅࡢ㐪࠸࡟ࡼࡾ㸪᧕Ỉ㒊࠿ࡽぶỈ㒊࡬ᾮỈࡀ⛣ືࡍࡿࡇ࡜ࢆ฼⏝ࡋ࡚㸪ᾮỈᣲືࢆไᚚࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪ᮏィ ࡛ࡣ㸪GDL ୰ࡢᾮỈࡀ⵨Ⓨࡋ㸪୍้้࡜ᾮỈࡢศᕸࡀኚ໬ࡍࡿࡓࡵ㸪ྍ⬟࡞㝈ࡾ▷᫬㛫ࡢ CT ᐃࢆ⾜ࡗࡓ㸬ᐇ㦂⿦⨨࠾ࡼࡧ᪉ἲ㸸ᅗ 1 䛻 GDL ከᏍయෆ㒊䛾㓟⣲ᣑᩓ≉ᛶ䜢ィ 䛩䜛䛯䜑䛾ᨵⰋᆺ䜺䝹䝞䝙㟁ụᘧ㓟⣲྾཰య⿦⨨䛾ᵓᡂ䜢♧䛩䠊㝜ᴟഃ䛻Ⅳ⣲㟁ᴟ䠈㝧ᴟഃ䛻㖄㟁ᴟ䠈䛭䛧䛶Ỉ㓟໬䜹䝸䜴䝮Ỉ⁐ᾮ䜢୺ᡂศ䛸䛩䜛㟁ゎᾮ䛷ᵓᡂ䛥䜜䛶䛚䜚Ⅳ⣲㟁ᴟ䛷䛾㟁Ẽ໬Ꮫ཯ᛂ䛻䜘䜚㓟⣲䜢྾཰䛩䜛䠊㓟⣲ὶ᮰ JO2 [kg/m2䏙s] 䛿䜺䝹O2
GDL(Specimen)

GDL
Holder+Voltage

Iout

Electrolyte(KOH+H2O)

4e-28.7 mmI4.0 mm

Cathode(Carbon)
ElectronCollector
Anode(Pb)ᅗ 1㸬࢞ࣝࣂࢽ㟁ụࡢᴫせ࡜ヨᩱࡢタ⨨᪉ἲ䝞䝙㟁ụ䛾ฟຊ㟁ὶ್ IOUT [A]䠈䝣䜯䝷䝕䞊ᐃᩘ F [s 䏙A/mol]䠈ヨᩱ᩿㠃✚ A [m2] 䛛䜙䝣䜯䝷䝕䞊䛾ἲ๎䜘䜚ᘧ㻔1㻕䛷⟬ฟ䛥䜜䜛䠊J O2I
1
31.99 u103 u out u
4F A

㻔1㻕

GDL ヨᩱ䛻䛿┿✵ྵỈ䛧䛯┤ᚄ 4mm䠈ཌ䛥⣙ 0.4mm 䛾䜹䞊䝪䞁䝨䞊䝟䠄௨ୗ GDL-a䠅䠈䛚䜘䜃ヨᩱ䛾୍㒊䛻᧕Ỉ㡿ᇦ䜢ᣢ䛴䝍䜲䝥䠄௨ୗ GDL-b䠅䜢⏝䛔䠈ཌ䛥 0.4mm䠈ෆᚄ 4mm 䛾䜰䜽䝸䝹〇෇⟄⟶䛻タ⨨䛩䜛䠊X ⥺䛾㏱㐣䜢⪃៖䛧䠈タ⨨㧗䛥䛿㓟⣲྾཰㠃䛛䜙 28.7 mm 䛸䛧䛯䠊ヨᩱ䜢ྵỈ䛩䜛䛯䜑䛾᪉ἲ䛸䛧䛶┿✵ྵᾐἲ䜢⏝䛔䛯䠊ヨᩱ䛸䜰䜽䝸䝹〇෇⟄⟶䛾᥋ゐ㒊䛻䛿䝅䝸䝁䞁⣔᥋╔๣䛾ሬᕸ䛻䜘䜚ྍ⬟䛺㝈䜚䛭䛣䛛䜙䛾ึᮇ㓟⣲ᣑᩓ䝟䝇䛾⏕ᡂ䜢↓䛟䛩䜘䛖ヨ䜏䛯䠊X ⥺ CT 䛿≀㉁䛾 X ⥺䛾྾཰䜢฼⏝䛧≀య䛾ෆ㒊ᵓ㐀᝟ሗ䜢⥺྾཰ಀᩘ䛾✵㛫ศᕸ䛸䛧䛶ᚓ䜛ᡭἲ䛷䛒䜛䠊ᮏᐇ㦂䛷⏝䛔䛯ᨺᑕග X ⥺䛿䠈㧗㍤ᗘ䛛䛴㧗䛔ᣦྥᛶ䜢䜒䛴ᖹ⾜ග䛷䛒䜛䛸䛔䛖≉ᚩ䛜䛒䜛䠊ᨺᑕග䛾ᣦྥᛶ䛾㧗䛔䝡䞊䝮䜢⏝䛔䜛䛣䛸䛻䜘䜚䠈≀㉁䛻䜘䜛 X ⥺䛾ᒅᢡ䛾✵㛫ศᕸ䜢 CT ീ䛸䛧䛶ྲྀᚓ䛷䛝䠈྾཰䛾ᕪ䛜ᑠ䛥䛔ヨᩱ䛻᭷ຠ䛸䛺䜛䠊ᅗ 2 䛻ᮏᐇ㦂䛷౑⏝䛧䛯 SPring-8䞉BL20B2 䝡䞊䝮䝷䜲䞁䛾ᵓᡂ䜢♧䛩䠊BL20B2 䛿೫ྥ㟁☢▼䜢ග※䛸䛩䜛䝡䞊䝮䝷䜲䞁䛷䠈5-113keV 䛾 X ⥺䛜฼⏝ྍ⬟䛷䛒䜛䠊䜎䛯䠈20mm ௨ୖ䛾 X ⥺ど㔝䛜᭷䜚䠈ヨᩱ䝃䜲䝈䛻䜘䜚ᩘ m䡚100m ⛬ᗘ䛾ᐇຠศゎ⬟䛷䛾᧜ᙳ䛜ྍ⬟䛷䛒䜛䠊ⷧ⭷⺯ගᯈ䠄䝅䞁䝏䝺䞊䝍䠅䜢⏝䛔䛶㏱㐣 X ⥺ീ䜢ྍどගീ䜈ኚ᥮䛧䠈ගᏛ䝺䞁䝈⣔䛻䜘䜚ᣑ኱䛥䜜 CCD 䜈ᢞᙳ䛥䜜䜛䠊 ⾲ 1 ࡟ྠ᫬ィ ᫬ࡢ ᐃ᮲௳ࢆ♧ࡋࡓ㸬

Monochromator
8GeV Electron Beam

CCD
CameraCross slit

Bending Magnet

Synchrotron
Radiation

Beam
Monitor
Monochromatic Rotation
StageX-ray

High speed shutterᅗ 2㸬౑⏝ࡋࡓࣅ࣮࣒ࣛ࢖ࣥ㻔BL20B2㻕ࡢᴫせ⾲1ᐃ᮲௳

Energy [keV]

13

Pixel size [Pm/pixel]

4.83

Number of slice in height [-]150

Distance between sample and detector [mm]43Exposure time
Number of projection[s][(180°)-1]

0.020
900 / 180⤖ᯝ࠾ࡼࡧ⪃ᐹ㸸✵㛫ศゎ⬟䜢 4.83m/pixel 䛸䛧䛶ᐇ᪋䛧䛯䠊ᅗ 3 䛻 GDL-a 䝍䜲䝥䛻䛚䛡䜛㓟⣲㏱㐣㔞䛸ྛ᫬้䛾 CT⏬ീ䜢♧䛩䠊䛣䛾㓟⣲㏱㐣㔞䛿䠈GDL ୰䜢㏱㐣䛧䛯㓟⣲䛾㔞䜢⾲䛧䛶䛚䜚䠈䜺䝹䝞䝙㟁ụᘧ㓟⣲྾཰య⿦⨨䛻䜘䜛㓟⣲྾཰㔞䛸➼䛧䛔䠊䛣䛾㓟⣲྾཰㔞䛿䠈䜺䝹䝞䝙㟁ụᘧ㓟⣲྾཰య䛾㓟⣲྾཰䛻䜘䜛኱Ẽഃ㓟⣲⃰ᗘ䛸྾཰యഃ䛾㓟⣲⃰ᗘᕪ䜢㥑ືຊ䛸䛧䛶㓟⣲ᣑᩓ䛜⏕䛨䜛䠊䜺䝹䝞䝙㟁ụ䛾䜹䝋䞊䝗⾲㠃䛾㓟⣲⃰ᗘ䛿䜋䜌䝊䝻䛷୍ᐃ䛷䛒䜚䠈኱Ẽ䛾㓟⣲⃰ᗘ䜒䜋䜌୍ᐃ䛷䛒䜛䛯䜑䠈⦪㍈䛾㓟⣲྾཰㏿ᗘ䛿
GDL ୰䛾㓟⣲䛾ᣑᩓ䝁䞁䝎䜽䝍䞁䝇䛻ᑐᛂ䛩䜛䠊ᅗ 3 䛾 600s ௜㏆࠿ࡽ㓟⣲㏱㐣㔞ࡀቑຍࡋ࡚࠾ࡾ㸪㓟⣲ᣑᩓ⤒㊰ࡀᙧᡂࡉࢀࡓࡇ࡜ࡀศ࠿ࡿ㸬ࡑࢀ௨㝆㸪㓟⣲㏱㐣㔞ࡣቑຍࡋ࡚㸪1500s ௜㏆୍࡛ᐃ࡜࡞ࡗ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ࡲࡓ CT ⏬ീ࡟ࡼࡿ࡜ GDL ୰࡟᭱ึࡢ✵㝽ࡀᙧᡂࡉࢀ㸪ࡑࡢ௜㏆࠿ࡽ୙つ๎ⓗ࡟඲య࡟ᗈࡀࡿࡇ࡜࡛✵㝽ࡀቑຍ㸪ࡘࡲࡾᣑᩓ⤒㊰ࡀᚎࠎ࡟ቑຍࡋ࡚࠸ࡿࡇ࡜ࡀほᐹࡉࢀࡓ㸬
ᅗ 3㸬GDL-a ࢱ࢖ࣉࡢ㓟⣲㏱㐣≉ᛶ࡜ CT ⏬ീᅗ 4㸬GDL-b ࢱ࢖ࣉࡢ㓟⣲㏱㐣≉ᛶ࡜ CT ⏬ീᅗ 4 ࡟ GDL-b ࢱ࢖ࣉࡢィ ⤖ᯝࢆ♧ࡍ㸬CT ⏬ീ࡟࠾࠸࡚㸪GDL ࡢᕥഃ༙ศ࡯࡝ࡢ㡿ᇦ࡟᧕Ỉฎ⌮ࢆ⾜ࡗ࡚࠸ࡿ㸬CT ⏬ീ࠿ࡽ᧕Ỉฎ⌮㒊࡜ᮍฎ⌮㒊ࡢቃ⏺௜㏆࠿ࡽ✵Ꮝࡀᙧᡂࡉࢀ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ࡘࡲࡾ᧕Ỉ㒊ࡢᾮỈࡀᮍฎ⌮㸦ぶỈ㒊㸧࡬ᘬࡁᐤࡏࡽࢀ㸪✵Ꮝࢆᙧᡂࡋࡸࡍ࠸≧ែࢆᐇ⌧࡛ࡁ࡚࠸ࡿࡶࡢ࡜⪃࠼ࡿ㸬1200s ௜㏆ࡲ࡛㸪ࡑࡢቃ⏺㒊࡛✵Ꮝ㸦㓟⣲ᣑᩓ⤒㊰㸧ࡢᙧᡂࡀ㐍⾜ࡋ㸪ࡑࡢᚋࡢ✵Ꮝࡢᙧᡂࡣ඲య࡟ᗈࡀࡗ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ࡲࡓ㸪ࡇࡢ CT ീ࡜ᑐᛂࡋ࡚㓟⣲㏱㐣㔞ࡣ㸪ቃ⏺㒊௜㏆࡛ࡢ✵Ꮝࡢᙧᡂ࡟కࡗ࡚ቑຍࡀ㛤ጞࡋ㸪ቃ⏺㒊௜㏆࡛ࡢ✵Ꮝࡢᙧᡂࡀ⤊ࢃࡿ 1200s ௜㏆࠿ࡽࡑࡢቑຍ㔞ࡀῶᑡࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿ㸬ࡲ࡜ࡵ࡜௒ᚋࡢㄢ㢟㸸 ྵỈࡋࡓ GDL ࡟࠾࠸࡚㸪㧗ྵỈ⋡ࡢ≧ែ࠿ࡽ஝⇱≧ែࡲ࡛ࡢ୍㐃ࡢ㐣⛬ࢆほ ࡍࡿࡇ࡜ࡀ࡛ࡁ㸪㓟⣲㏱㐣≉ᛶࡢኚ໬࡜ CT ⏬ീࡢほᐹ⤖ᯝࡣⰋࡃᑐᛂࡋ࡚࠸ࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡓ㸬ࡇࡢ⤖ᯝ㸪༢⣧࡞ GDL ᖹᆒྵỈ㔞ࡔࡅ࡛ࡣ࡞ࡃ㸪ᾮỈศᕸࡢᚤ⣽ᵓ㐀ࡀ㓟⣲ᣑᩓ࡟኱ࡁ࡞ᙳ㡪ࢆ୚࠼࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸬ࡉࡽ࡟㸪GDL ᇶᮦࡢ⾲㠃ᛶ≧࡟ศᕸࢆࡘࡅࡿࡇ࡜㸦ࣁ࢖ࣈࣜࢵࢻᵓ㐀 GDL㸧࡟ࡼࡾ㸪ᆒ୍࡞⾲㠃ᛶ≧ࡢሙྜ࡜ẚ㍑ࡋ࡚ GDL ୰ࡢᾮỈᣲືࡀ␗࡞ࡗ࡚࠸ࡿࡇ࡜ࢆほ ࡋࡓ㸬ࣁ࢖ࣈࣜࢵࢻᵓ㐀 GDL ࡟࠾࠸࡚㸪ࡑࡢ≉ᚩⓗ࡞㓟⣲ᣑᩓ≉ᛶ࡟ࡘ࠸࡚ᾮỈᣲື࡜ࡢᑐᛂ㛵ಀࢆ᳨ウ࡛ࡁࡿࡼ࠺࡟࡞ࡗࡓᡂᯝࡣ㠀ᖖ࡟኱ࡁ࠸㸬⌧ᅾࡣ㓟⣲ᣑᩓࣃࢫࡢᢳฟ࡞࡝ࡢࡼࡾヲ⣽࡞⏬ീࢹ࣮ࢱゎᯒࢆ㐍ࡵ࡚࠸ࡿ㸬ࡲࡓ㸪ᮏィ ࡛ࡣ㸪X ⥺䛾㏱㐣䜢⪃៖䛧䠈GDL ヨᩱ䜢㓟⣲྾཰㠃䛛䜙⣙ 30mm ⛬ᗘ㞳䛧䛯෇⟄⟶ෆ䛻タ⨨䛧䛶䛚䜚䠊෇⟄⟶ࡢᣑᩓ᢬ᢠࡀ኱ࡁࡃ࡞ࡾࡍࡂࡿഴྥ࡟࠶ࡿ㸬ࡇࢀࡣ࢞ࣝࣂࢽ㟁ụᘧ㓟⣲྾཰యࢆᨵⰋࡋ௒ᚋࡢ SPring-8 ࡛ࡢྠ᫬ィ ᐇ㦂࡟ഛ࠼ࡿᚲせࡀ࠶ࡿ㸬௒ᚋࡶ᮲௳ࢆኚ࠼ ᐃࢆ㔜ࡡ㸪ᐇ⏝໬ࢆ⪃៖ࡋࡓ GDL ୰ࡢᾮỈᣲື࡜ᣑᩓ≉ᛶ࡟㛵ࡍࡿ▱ぢࢆᚓࡓ࠸࡜⪃࠼࡚࠸ࡿ㸬ཧ⪃ᩥ⊩㸸[1] Ᏹ㧗⩏㑻࡯࠿㸪᪥ᮏᶵᲔᏛ఍ㄽᩥ㞟㻔B ⦅䠅㸪Vol.75㸪No.757㸪pp. 1822-1829 㻔2009㻕.
[2] K.Yoshizawa et al.㸪J. Electrochemical Society㸪Vol.155㸪No.3, pp. B223-B227 㻔2008㻕.
[3] ⏣ᓮ㇏࡯࠿㸪➨ 46 ᅇ᪥ᮏఏ⇕ࢩ࣏ࣥࢪ࣒࢘ㅮ₇ㄽᩥ㞟㸪pp. 527-528 㻔2009㻕.
[4] ᘅ℩⏕඾࡯࠿㸪᪥ᮏᶵᲔᏛ఍ㄽᩥ㞟㻔B ⦅䠅㸪Vol.76㸪No.765㸪pp.888-895 㻔2010㻕.
[5] Ⲩᮌᣅே࡯࠿㸪SPring-8 㔜Ⅼ⏘ᴗ฼⏝ᡂᯝሗ࿌᭩㸪2010A1783 㻔2010㻕.