Page 14 - 《精细化工》2023年第4期

g700g ㇫㏳ࡃጒ FINE CHEMICALS す 40 ࢤ

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䖀γ̭⻺⩞䩺-䧮⅏⅔ࡃ➖ใᅯহ∎⇘䩺ᩜᦾ⮱⶘ ๖♣⊤Ⅱ͚⩢≮ჳᏓͧ 10 mA/cm ᬣ᝭䰭⮱䓴⩢
ࡃ䩺ڲᅯ Ჱ᜽⮱็ ᅯ NiFe/NiS x ∎⇘䩺 Ѻϲͧ 165 mV喍ఫ 4c喎喑䭺ѻ 34~57 mV喑́᠒ᰶ
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ȲNiFe/NiS x -Ni foam (N )ȳיࡃݯȡ仃ٵ喑∎⇘䩺 ᰡ倅⮱⽠Ⴧᕔ喍ఫ 4bȠd喎ȡ⩞λ NiCoN হ Ni x P ڤ
̻ S ٰ㉍ࣺᏁ喑ౕڣ㶕䲏ᒏ᜽ NiS x 喍ఫ 3a喎喠♣ऻ喑 ᰶхᐯ⮱ᄩ⩢ᕔ㘪喑ᰶ᩵᣽倅γ̶ᬻ⇨㐀Ჱיࡃݯ
䕇䓴⩢↶⼜᫦∂ౕ NiS x ̷౴࠭́ಯⰡౝ⩌䪬 NiFe 㶕䲏̻⊤Ⅱ͸䬡⮱⩢㢤䒙⼨᩵⢴喑ϻ㔹Ӱ䔈γ HER
⅏⅔ࡃ➖㏠ㆠ❴喑Ҭיࡃݯڤᰶܳᅯ็ႁ㏠ㆠ㐀Ჱ ࣺᏁߕ߈႓喑ᆂ⹧ܧхλ䃥็䓴⍎䛾ᆋ⸤ࡃ➖Ƞ䓴
喍ఫ 3b~d喎ȡౕ 6 mol/L KOH+1.5 mol/L NaCl ὎᠌ ⍎䛾ᆋ⅛ࡃ➖Вࣷ䉢䛾ᆋധ⩢יࡃݯ⮱ HER ≨ᕔȡ
⊤Ⅱ⩢㼐⋟͚喑็ᅯ NiFe/NiS x ∎⇘䩺יࡃݯౕѻ䓴 3D ܳᅯ็ႁ㏠ㆠ㐀Ჱ⮱ओ̭͗х◦᭜जВ䕇
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⩢Ѻ喍~0.3 V喎̸喑OER ⩢≮ჳᏓͧ 400 mA/cm喍ఫ 䓴ౕ≨ᕔᅯ̸Ҭ⩕倅ᄩ⩢ၽᅯᲒӰ䔈⩢ၽ䒙⼨ȡຯ
3e喎喑ڣѻ䓴⩢Ѻ䔉<0.48 V喑ౕⷞᕔ⊤Ⅱ͚̺чᑂ ݺ᝭䔝喑䓴⍎䛾ᆋ⅔ࡃ➖ᝃ⅏⅔ࡃ➖᭜㞜ສՆ䔶➖喑ѳ
ࣾ⁎⅜䚥⯽⮱⩌᜽ࣺᏁȡ䕇䓴ᄳ NiFe/NiS x ∎⇘䩺י ڣ⩢ၽᄩ⩢ᕔѻȠ⩢㢤䒙⼨ጛȡᄳₑㆨ䓴⍎䛾ᆋ⅔ࡃ➖
ࡃݯ̻≨ᕔ HER 䭡Ხ Ni-NiO-Cr 2 O 3 㐀व⮱ࣹ⩢Ხ ᝃ⅏⅔ࡃ➖̻̭ψ倅ᄩ⩢ᱽ᫆㐀वВᒏ᜽3Dܳᅯ็ႁ
⩢↍喑ౕⷞᕔ⯽Ⅱ͚㶕⣝ܧ倅⮱ OER ≨ᕔহ䔶᠖ ㏠ㆠ㐀Ჱ喑ౕ็ᅯ͸䬡ቹڒ➏ధ⮱倅ᄩ⩢ၽᅯ喑㘪์
ᕔ喑Вࣷ㞜ສ⮱⽠ჇᕔȡYU ぶ [38] 䕇䓴⩕䩺䧡⅛ࡃ ߍ䕌⩢㢤䒙⼨ݝ≨ᕔᅯ喑ᰶݖλ㑀ᚏ⮱ 4 ⩢ၽ䒙⼨Ჽ⅔
➖㏠ㆠㆿၽ㷲亝⸤ࡃ䩺喍Ni x P喎ᓛ❴䭢݄⮱͑ӔᲱ 䓴⼸喑䭺ѻ᝭䰭⮱䓴⩢Ѻ喑Ꭳ㣤ᓄ倅Ჽ⅔䔶᠖ᕔ⩢㼐ȡ
ᐧγ̶ᬻ⇨⟣ NiCoN|Ni xP|NiCoN יࡃݯ喍ఫ 4a喎ȡ̶ 㮪♣ 3D ܳᅯ็ႁ㏠ㆠ㐀Ჱᰶݖλ᣽倅יࡃᕔ
ᬻ⇨㐀Ჱ⮱יࡃݯڤᰶ͝ჹ≨ᕔѺ◦Ƞ๔⮱℁㶕䲏⼜喑 㘪喑ѳڣᱧᷝᑧᏓчऄݝ̭Ⴧ⮱ᒞ৺ȡ⩞λיࡃ҉
倅⮱᱙ᒮ≨ᕔѺ◦হ⩢㢤䒙⼨᩵⢴ȡ఍ₑ喑̻ࢂ⠙ ⩕ͨ㺮ࣾ⩌ౕיࡃݯ⮱㶕䲏喑఍ₑᰶᓲ㺮Ҭ็ႁใ
⮱ Ni x P ᓛ ㆠ❴䭢݄হ NiCoN ㏠ㆠ䷄ㆿⰥ℁喑 ᅯअ㪱喑हᬣ䉸ε䋠์⮱ᱧᷝᑧᏓ喑В␎䋠 3D ܳ
NiCoN|Ni xP|NiCoN ⩢Ხ㶕⣝ܧᲮສ⮱ HER ≨ᕔ喑ౕ ᅯ็ႁ㏠ㆠיࡃݯ⮱㺮Ⅿȡ

aÿव᜽ጒ㞧⹧ᘼఫ喠b~dÿ᱗㏼ั⤳⮱∎⇘䩺Ƞ∎⇘䩺̷ᒏ᜽⮱ NiS x Вࣷ NiS x 㶕䲏⩢↶⼜ NiFe ⮱ SEM ఫ喠eÿᓗ⣜мႶម᣼ᄦ℁ఫ
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[23]
ఫ 3 ⊤Ⅱ⩢㼐⩕ࣹᅯ NiFe/NiS x ∎⇘䩺喍Ni 喎䭠Ხ⮱ݣิȠ㐀Ჱࣷᕔ㘪
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[23]
Fig. 3 Preparation, structure and properties of double-layer NiFe/NiS x -Ni foam (Ni ) anode for seawater spltting