Page 13 - 《精细化工》2023年第4期

す 4 ᱌ 㟼 ᐧ喑ぶ: ➦₷㐀ᲱȠ倅⽠Ⴧᕔ⩢㼐⊤Ⅱ OER יࡃݯ⮱ⵁ⾣䔈ᆂ g699g

ᰶх߬ȡౕ䔆ψיࡃݯ⮱⾧ d 䒕䖀̷ᒏ᜽⮱ऱ⻺ࡃ
႓॥䭱䩛जВ჋⣝ܳၽ≨ࡃ喑ϻ㔹䭺ѻฺᱯࣺᏁ⮱
≨ࡃ㘪 [32] ȡ̺ह⮱䓴⍎䛾ᆋ⩢יࡃݯजВᩦअह̭
ࣺᏁҀ㈨⮱॥䭱㜗⩞㘪喑䔈㔹ᒞ৺יࡃࣺᏁ䕌Ꮣȡ
ᒀ॥䭱㘪䓴ᄼᬣ喑ࣺᏁ➖̺ღᭀ॥䭱喑॥䭱㘪䓴๔喑
͚䬡Ҁ䯫В㙞䭱喑఍ₑ喑गᰶౕ॥䭱㘪䔯͚ᬣ喑י
ࡃ≨ᕔ᝺䓫ݝᰭҠȡ

2
ఫ 2 ̺ह⩢יࡃݯౕ 1 mA/cm ̸⮱䓴⩢Ѻ̻㘪䛼ጛ喍ŽG O –
ŽG OH 喎⮱ OER ▘ᆞఫ喍a喎 [33] হ̺ह㏜䛾ᆋহ䛾
ᆋ㺳Ⰳᅯ⮱ HER ▘ᆞఫ喍b喎 [34]
Fig. 2 OER volcano plot of overpotential of different
electrocatalysts at 1 mA/cm versus energy differences
2
[33]
ఫ 1 ᩦ䔈⩢㼐⊤Ⅱיࡃݯឭᱜ⹧ᘼఫ (ǻG O –ǻG OH ) (a) and volcano plot of various
[34]
pure metals and metal overlayers for HER (b)

Fig. 1 Schematic diagram of improved electrolytic seawater
catalyst technology
3 ➦₷㐀Ჱ⩢㼐⊤Ⅱיࡃݯ⮱䃫䃎
ധλक़⅔➖⻺⮱॥䭱㜗⩞㘪喍ǻG O –ǻG OH 喎⮱̺
ह䛾ᆋ⅔ࡃ➖⮱ OER יࡃ≨ᕔ℁䒰হധλ⅏॥䭱 व⤳䃫䃎יࡃݯ⮱㐀ᲱजВ᭫㦄෋ᑧיࡃ䓴⼸
㜗⩞㘪喍ǻG H 喎⮱̺ह䛾ᆋ⮱ HER יࡃ≨ᕔ℁䒰㻮 ͚⮱ڠ䩛ₒ俑喍䉕䛼э䓀Ƞ⩢㢤䒙⼨হ㶕䲏ࣺᏁ喎ȡ
ఫ 2 [33-34] ȡͧγ䃱ѝ OER יࡃݯ⮱≨ᕔ喑В͑⻺͚ Ҹຯ喟䃫䃎̶㐡ܳᅯ็ႁ㏠ㆠ㐀ᲱजВ෋๔℁㶕䲏
䬡Ҁ⮱㘪ᔮጛᐯ҉ͧധ۳喑ᒀ॥䭱⮱⅔হ≨ᕔѺ◦ ⼜喑䔈㔹෋ߍ≨ᕔѺ◦喑ߍ䕌э䉕䓴⼸ȡ䃫䃎Ԋ៑
–
͸䬡⮱Ⱕο҉⩕ᑧᬣ喑䰭㺮倅⩢ѺᲒԊ䃮 O 2 ⮱䛷 ᅯ㐀ᲱजВᰶ᩵䭨ᡎ⩞λ Cl ᄩ㜡⮱יࡃݯ㙽㮭/๞
ᩫȡ఍ₑ喑䃫䃎ڤᰶ⅔হ͚䬡䩛ᑞ⮱ OER יࡃݯ᭜ ≨䬛䷅喑෋ᑧ⩢㼐䉕ព᪐喑ߍ䕌⩢㢤/䉕䛼э䓀ȡ䃫䃎
჋⣝ᰡᔘࣺᏁߕ߈႓⮱ڠ䩛ȡ̭㝙⩕ ǻG H Გ᣼䔝 יࡃݯ㶕䲏⋓⎬ᕔ㐀ᲱᰶݖλⅡ喍ࣺᏁ➖喎⮱॥䭱喑
HER 䓴⼸יࡃݯ⮱≨ᕔ喑ຯ᳉ ǻG H 䉌թ䒰๔喑䗐͵ 㘪์Ӱ䔈⅁∎⮱ᔘ䕌䛷ᩫ喑ϻ㔹᣽倅יࡃ≨ᕔȡ᱙㞯
⅏࣌ၽౕ≨ᕔѺ◦㷘ᑧ◵॥䭱喑䯫В䛷ᩫ⅏ܳၽ喠 ᄳϻ̶㐡ܳᅯ็ႁ㏠ㆠ㐀ᲱȠԊ៑ᅯ㐀ᲱВࣷ㶕䲏⋓
ຯ᳉ ǻG H ₐթ䒰๔喑䗐͵⅏࣌ၽ̻≨ᕔѺ◦͸䬡⮱ ⎬ᕔ㐀Ჱ̶᫦䲏ᄦ⩢㼐⊤Ⅱיࡃݯ⮱䃫䃎䔈㵹ܳᲽȡ
҉⩕䒰ᑞ喑ࣺᏁ䕌Ꮣۼᚏȡ఍ₑ喑⅏࣌ၽ⮱॥䭱㘪 3.1 ̶㐡ܳᅯ็ႁ㏠ㆠ㐀Ჱ
߈۠ჇγࣺᏁ䕌⢴喑॥䭱㘪߈ᬍ䃧䓴๔䔅᭜䓴ᄼ䘪 䃫䃎 3D ܳᅯ็ႁ㏠ㆠ㐀Ჱ㘪์෋ߍ≨ᕔѺ◦喑
̺ݖλࣺᏁ⮱䶧ݖ䔈㵹 [35] ȡ ߍ䕌⩢㼐䉕ព᪐喑᭜ݣิ倅᩵⩢㼐⌎Ⅱיࡃݯ⮱ᰶ
఍ₑ喑יࡃݯᏁڤᰶхࡃ⮱㘪ᔮহ㶕䲏ᕔ䉕喑 ᩵ゃ⪒͸̭ [36-37] ȡຯݺ᝭䔝喑๖♣⊤Ⅱ͚⮱㏳㣹ぶ
ВӬҬ HER হ OER ⮱ࣺᏁڤᰶᰭᄼ⮱㘪ಿ喑᣽倅 ᱯ䉕ч䭱Ɑౕיࡃݯ㶕䲏喑ϻ㔹㺳Ⰳ䘕ܳ≨ᕔѺ◦喑
2+
2+
ࣺᏁ䕌⢴ȡ䕇፥᣽倅⩢יࡃݯ≨ᕔ喍ᝃࣺᏁ䕌⢴喎 䭺ѻיࡃᕔ㘪ȡₑใ喑ⷞᕔ⊤Ⅱ͚喑Ca ȠMg ぶ
⮱᫦∂ᰶ͑⻺喟喍1喎෋ߍ㐆Ⴧ⩢Ხ̷≨ᕔѺ◦⮱᪝ ⻨ၽчᒏ᜽⅏⅔ࡃ➖↶⋭喑̺ϲч㺳Ⰳ≨ᕔѺ◦喑
䛼喑ຯ䕇䓴෋ߍ䉌䒪ᝃᩦ䔈יࡃݯ㐀ᲱВᯡ䱟ᰡ็ Όчߍ䕌יࡃݯ๞≨ȡ̶㐡ܳᅯ็ႁ㏠ㆠ㐀Ჱڤᰶ
⮱≨ᕔѺ◦喠喍2喎෋ߍ⃼͗≨ᕔѺ◦⮱᱙ᒮ≨ᕔȡ ๔⮱℁㶕䲏⼜হ͝ჹ⮱็ႁ㐀Ჱ喑㘪์᣽ӈ䋠์⮱
䖢ᓗיࡃݯ⮱䃫䃎݆࣌喑∕䛺יࡃݯ⮱㶕䲏䄰ᣔ喑 ≨ᕔѺ◦হᰶ᩵⮱䉕䛼/⩢㢤э䓀喑ᅑڣ᭜ౕ๔⩢≮
䔈㔹᣽倅 OER হ HER יࡃݯ⮱≨ᕔȡ ჳᏓ̸喑᣽倅γ⩢㼐⊤Ⅱ⮱᩵⢴ȡKUANG ぶ [23] ្