Page 16 - 《精细化工》2023年第4期

g702g ㇫㏳ࡃጒ FINE CHEMICALS す 40 ࢤ

হⷠ䚥⯽᣿ᅯ⮱ NiFe-LDH喑䊤ݝԊ៑ᅯ⮱҉⩕喑䭨 ̺ᬻ⶛喑⊤Ⅱ͚⮱⻨ၽᑧᏓ䔉倅λ⌎Ⅱ͚⮱⻨ၽᑧ
3
–
ᡎ⊤Ⅱ͚⮱ Cl ȡ䮼Ɑ Ni ⩢Ხ⮱⓭≨喑NiS x 㙽㮭ϔ Ꮣ喑䔆ᄳ๔๔䭺ѻ䲆⩢߈ȡ
⩌⶘䚥⯽⻨ၽ喑Ꭳ̻ⷠ䚥⯽ڞ᣿ᅯݝ NiFe 䭠Ხ⅔ࡃ HUANG ぶ [43] व᜽γ̭⻺᫝ಸ⮱ᬍჇᒏ䩺喍⅔喎
ᒏ᜽⮱ NiFe-LDH ͚喍ఫ 5e~h喎ȡ䔆⻺⶘䚥⯽-ⷠ䚥 ⅏⅔ࡃ➖ᅯȲNi 2+į O į (OH) 2íį ȳ࠲㺳⮱ Ni 5 P 4 ㏠ㆠ❴
⯽ڞ᣿ᅯ LDH ᅯ̻⩢㼐䉕͚⮱⶘䚥⯽⻨ၽڞह҉ 喍䃝ͧ NPNNS喑ఫ 6a喎喑䄒יࡃݯౕ䚥ᕔ喑ⷞᕔВ
–
–
⩕喑䲆⩢ᢿ᫒ Cl 喑Ꭳᄳ Cl ϻᏂᅯ䭨᫚喑⶛Ԋ倅⮱ ͚ࣷᕔ⩢㼐⋟喍࠲᠙⊤Ⅱ喎͚౴ᆂ⹧γхᐯ⮱⩢י
–
OER ≨ᕔহ䔶᠖ᕔȡ♣㔹喑Cl ᢿ᫒⮱ͨ㺮ᱧݣᅇ ࡃ HER ≨ᕔȡ

aÿౕ 0.5 mol/L NaClȠpH=8.3Ƞ30 Ď᲎У̸喑̺ह⩢Ხ⮱Ჽ⅔⩢≮᩵⢴̻⩢≮ჳᏓ⮱ڠ㈨ [41] 喠bÿౕ OER יࡃݯ̷↶⼜ CeO x ⹧ᘼ
3
ఫ [42] 喠c~dÿ㸥 NiFeO x হ CeO x ⊯ᅯ NiFeO x ⩢יࡃ⽠Ⴧᕔᄦ℁হᓗ⣜мႶ∂ម᣼ఫ [42] 喠eÿNi ౕ 1 mol/L KOH+0.5 mol/L NaCl ͚⮱̶
3
⩢Ხᕿ≮⓭≨ [23] 喠fÿNi হ NiS x-Ni ౕ 1 mol/L KOH ͚≨ࡃ 12 h ऻ⮱៶ᰩٶ䅞 [23] 喠gÿ≸䄂᱌䬡㣤ᓄⰥᄦ Faradaic ᩵⢴ [23] 喠hÿ≨ࡃ
3 2–/1– 2–/1– [23]
ऻ Ni হ NiS x/Ni ⩢Ხ㶕䲏 SO x হ CO 3 ❴⃢⮱下㵹ᬣ䬡ι⁎⻨ၽ䉕䅞ఫ
3
ఫ 5 㸥 NiFeO x হ CeO x ⊯ᅯ NiFeO x Вࣷ Ni হ NiS x /Ni ⩢יࡃ≨ᕔᄦ℁
3
Fig. 5 Electrocatalytic activity comparison of bare NiFeO x and CeO x coatings NiFeO x and Ni and NiS x /Ni

ఫ 6 Ni 5 P 4 @Ni 2+į O į (OH) 2–į ฺव㏠ㆠ❴喍NPNNS喎⮱व᜽⹧ᘼఫ喍a喎喠NPNNS হੳ͇ Pt/C ౕ๖♣⊤Ⅱ喍pH=7.8喎͚
⮱ HER Ხࡃᰟ㏬喍b喎 [43]
Fig. 6 Schematic diagram of synthesis of Ni 5 P 4 @Ni 2+į O į (OH) 2–į composite nanosheets (NPNNS) (a) and HER polarization
curve of NPNNS and commercial Pt/C in natural seawater (pH=7.8) (b) [43]