Page 221 - 《精细化工》2023年第4期

2+
す 4 ᱌ ⍖ 㤺喑ぶ: Ά䚥䨹ᩦᕔ⽨ภ⩌➖◚⩢ღࣷ⩢॥䭱 Cu ᕔ㘪 g907g

⩢㢤䒙⼨⩢䭨౴अᄼȡѻ䶾ࡧ⮱ᰟ㏬᫉⢴䮼Ά䚥䨹
⊀Ꮣ⮱෋๔ٵ䔽⌽ࡴ倅ऻᐭ໸̸䭺喑Ⱑ㏬᫉⢴䊷๔喑
⩢Ხ䭨ោ䊷ᄼ [26-27] 喑⻨ၽэ䓀᩵⢴䊷倅ȡᄦ℁᱗ᩦ
ᕔ⩌➖◚喑ᩦᕔऻ⮱⽨ภ◚ౕѻ䶾ࡧ⮱Ⱑ㏬᫉⢴ᰡ
๔喑㔹 MRHC-0.3 ⩢ᲮⰡ㏬᫉⢴ᰭ๔喑́㏬⃢䒰ⴚ喑
䔆㶕ᬻ⩢㼐䉕⻨ၽౕڣ⩢Ხڲ䘕⮱䓽䓀䭨߈ᰭᄼȡ
ᩦᕔ⩌➖◚ڲ䘕ᰶⱭࣾ䓫⮱ႁ䯆㐀ᲱВࣷ๔⮱℁㶕
䲏⼜喑䔆ψ➦ᕔज᣽倅⩢㢤᩵⢴হ䭺ѻ⩢㢤䒙⼨⩢
䭨喑Ҭ⩢㼐䉕⻨ၽౕڣڲ䘕჋⣝ᔘ䕌倅᩵э䓀ȡ᪡
ҀᲒⰸ喑MRHC ⩢䭨䔉䔉ᄼλ RHC ⩢䭨喑㔹ౕ
MRHC ͚喑MRHC-0.3 ⩢䭨ᰭᄼȡ

ఫ 6 RHC হ MRHC ⩢Ხ⮱ϑ≮䭨ោఫ
Fig. 6 Nyquist curves of RHC and MRHC electrodes

2.4.3 ᕿ≮ٲᩫ⩢≸䄂
̺ह⊀ᏓΆ䚥䨹ᩦᕔऻ喑ऱ⩢Ხౕ 0.5 A/g ̸⮱
ٲᩫ⩢ᰟ㏬ຯఫ 7a ᝭⹧ȡϻఫ 7a जⰸݝ喑᝭ᰶᵤ
৮䘪䒰ͧᄦ⼝喑́ᒏ⟣䓾ѩ̶㻿ᒏ喑䔆䄡ᬻᵤ৮⮱
ज䔳ᕔহ⽠Ⴧᕔ䒰ສ [28-29] ȡMRHC ⩢Ხٲᩫ⩢ᬣ䬡
౴℁ RHC ⩢Ხ䪬ȡڣ͚喑MRHC-0.3 ⩢Ხٲ⩢ᬣ䬡 ఫ 7 0.5 A/g ᬣ RHC হ MRHC ⩢Ხ⮱ᕿ≮ٲᩫ⩢ᰟ㏬
䌕Ꮣᰭ๔喑䄡ᬻౕ᝭ᰶᵤ৮͚ڣ℁⩢ღᰭ๔喑䔆̻ 喍a喎喠MRHC-0.3 ⩢Ხౕ̺ह⩢≮ჳᏓ̸⮱ᕿ≮ٲ
CV ᰟ㏬㐀᳉Ⱕ̭㜡ȡ㏼䃎ツजⴒ喑⩢≮ჳᏓͧ 0.5 A/g ᩫ⩢ᰟ㏬喍b喎喠RHC হ MRHC ⩢Ხౕ̺ह⩢≮ჳ
Ꮣ̸⮱℁⩢ღ喍c喎喠2 A/g ᬣ RHC হ MRHC ⩢Ხ
ᬣ喑RHCȠMRHC-0.1ȠMRHC-0.2ȠMRHC-0.3Ƞ
⮱ᓗ⣜ᰟ㏬喍d喎
MRHC-0.4ȠMRHC-0.5ȠMRHC-0.6 ⮱℁⩢ღܳݘ
Fig. 7 Constant current charge/discharge curves of RHC and
᭜ 45.41Ƞ153.42Ƞ165.97Ƞ191.94Ƞ178.46Ƞ183.77Ƞ MRHC electrodes at 0.5 A/g (a); Constant current
169.28 F/gȡఫ 7b ᭜ MRHC-0.3 ⩢Ხౕ̺ह⩢≮ჳ charge/discharge curves of MRHC-0.3 electrode at
different current densities (b); Specific capacitance
Ꮣ̸⮱ٲᩫ⩢ᰟ㏬ȡϻఫ 7b जⰸݝ喑ᰟ㏬Ხͧᄦ⼝喑
of RHC and MRHC electrodes at different current
́᱗ܧ⣝ᬻ᭫⩢ࢸ䭺喑䄡ᬻڣ⩢Ხڲ䘕⩢䭨ᒵᄼȡ densities (c); Cycling curves of RHC and MRHC
electrodes at 2 A/g (d)

̺ह⊀ᏓΆ䚥䨹ᩦᕔऻ喑̺ह⩢≮ჳᏓ̸喑ऱ
⩢Ხ⮱℁⩢ღຯఫ 7c ᝭⹧ȡϻఫ 7c जⰸݝ喑䮼Ɑ
⩢≮ჳᏓ෋๔喑ᵤ৮⮱℁⩢ღౕ̺᫚㶝ۼȡ䔆᭜఍
ͧ⩢≮ჳᏓ䓴倅ᬣ喑⩢㼐䉕⻨ၽᬍ∂ᔘ䕌ᰶ᩵ౝព
᪐ݝႁ䯆͚ [30-31] ȡౕ⩢≮ჳᏓϻ 0.5 A/g ෋㜠 6 A/g
ऻ喑RHCȠMRHC-0.1ȠMRHC-0.2ȠMRHC-0.3Ƞ
MRHC-0.4ȠMRHC-0.5ȠMRHC-0.6 ⮱℁⩢ღԊᠮ
⢴ܳݘͧ 60.18%Ƞ84.57%Ƞ83.80%Ƞ90.02%Ƞ85.46%Ƞ