Page 205 - 《精细化工》2023年第4期

す 4 ᱌ ᅦ֟ⶂ喑ぶ: ̶⅌⩟⸧䚥䩮⩢㼐⋟⌨ߍݯᄦ倅ࢸ䨯⻨ၽ⩢↍⮱ᒞ৺ g891g

թᑧᏓহѺ㒛ࣾ⩌γअࡃ喑ᓗ⣜ऻ⩢Ხ⮱㵺ᄱምᑧ Mn হ Ni ٰ㉍क़䛼倅λक़ 0.3% MFS ⩢㼐⋟͚ᓗ⣜⮱
Ꮣᬻ᭫अᑞ喑ምթѺ㒛ाᰡ倅⮱㻿Ꮣ⼨ߕȡ䔆㶕ᬻ喑 䨯❴ȡ䔈̭ₒ⶛䃑 MFS ౕ⩢↍ᓗ⣜䓴⼸͚ᄦ LNMO
LNMO ౕധ⵭⩢㼐⋟͚ᓗ⣜ऻ㐀Ჱ䖚ݝⵡ౼ȡ㔹ౕ ⮱Ԋ៑҉⩕ȡ䔆⻺Ԋ៑᭜ᐧ⿸ౕ MFS ౕ⩢Ხ/⩢㼐⋟
क़ 0.3% MFS ⩢㼐⋟͚ᓗ⣜ 300 ⁎ऻ喑LNMO ̻ᓗ ⩹䲏ᒏ᜽⮱ᰶ᩵Ԋ៑㛉̷ȡ
⣜ݺ⮱ XRD ఫⰥ℁अࡃ䒰ᄼ喑ज㘪᭜ MFS ܳ㼐ϔ ఫ 5a~c ͧ LNMO ⩢Ხౕധ⵭⩢㼐⋟হक़ 0.3%
➖ౕ LNMO ̷ᒏ᜽γ̭ᅯ CEI Ԋ៑㛉喑䭟₏ LNMO MFS ⩢㼐⋟͚ᓗ⣜ 300 ⁎ݺऻ⮱㶕䲏ᒏ䆹ȡ⩞ఫ 5
㐀Ჱ⮱ᖣࡃȡ ज㻮喑ᓗ⣜ݺ⮱ LNMO ䷄ㆿᮣҀ㐀ᲱႹ᪡Ƞ㶕䲏Ꭰ
ఫ 4b ͧ LNMO ⩢Ხᓗ⣜ 300 ⁎ݺऻ⮱ FTIR 䅞 ⏾ȡౕധ⵭⩢㼐⋟͚ᓗ⣜Ҭ⩕ऻ喑LNMO ䷄ㆿ㷘ࣇ
ఫȡगᰶक़ 0.3% MFS ⩢㼐⋟͚ᓗ⣜ऻ⮱Ხ❴ౕ ࣇ⮱↶⼜➖᝭㺳Ⰳ喑䔆ᑿ఍λ⩢㼐⋟⮱ܳ㼐ϔ➖ȡ
–1
–
1318 cm ัܧ⣝ÿSO 3 ॥ᩣም喑䄡ᬻ MFS ౕ⩢↍ᓗ ̺ह⮱᭜喑ౕक़ MFS ⮱⩢㼐⋟͚ᓗ⣜⮱⩢Ხ LNMO
⣜䓴⼸͚ࣾ⩌γܳ㼐喑Ꭳ́ܳ㼐ϔ➖↶⼜ౕ LNMO ䷄ㆿ㶕䲏ᰶ̭ᅯ㜡ჳᎠ᪡⮱↶⼜➖ȡ㐀᳉䃮ᬻ喑MFS
⩢Ხ㶕䲏࣯̻⩢㼐⋟⩹䲏㛉⮱ᒏ᜽ [17] ȡ ᄦ LNMO ڤᰶԊ៑҉⩕喑ڣ࣌఍᭜ MFS 䕇䓴хٵ
ᄳᓗ⣜ 300 ⁎ऻ⮱䨯䉌Ხ⩕ DMC ۟≄喑Ꭳ⏣㼐 ⅔ࡃ㔹ᒏ᜽̭ᅯԊ៑㛉㺳Ⰳౕ LNMO ⩢Ხ㶕䲏ȡ
ౕ 5 mL 䉕䛼ܳ᪝ͧ 3%⮱ HNO 3 ͚喑⩕ࣨ⻨ၽⅡჇღ 䓽⩕ XPS 㶕ᒮγᓗ⣜ 300 ⁎ݺऻ LNMO ⩢Ხ
㜠 25 mL喑䔈㵹 ICP ≸䄂喑㐀᳉ຯఫ 4c ᝭⹧ȡ㐀᳉㶕 㶕䲏㏱ܳ喑㐀᳉㻮ఫ 6a~dȡౕ C 1s 䅞ఫ͚喑CÿF
ᬻ喑ౕധ⵭⩢㼐⋟͚ᓗ⣜ 300 ⁎ऻ䨯䉌Ხ㶕䲏↶⼜⮱ Გ⎽λ PVDF喑CÿC Გ⎽λΆ◁叾ȡ

ఫ 5 ᓗ⣜ݺ LNMO ⩢Ხ喍a喎Ƞౕധ⵭⩢㼐⋟喍b喎হक़ 0.3% MFS ⩢㼐⋟喍c喎͚ᓗ⣜ 300 ⁎ऻ⮱ SEM ఫ
Fig. 5 SEM images of LNMO particles before cycling (a) and after 300 cycles in base (b) and 0.3% MFS-containing
electrolytes (c)

ఫ 6 LNMO ⩢Ხᓗ⣜ 300 ⁎ݺऻ⮱ XPS 䅞ఫ喟C 1s喍a喎ȠO 1s喍b喎ȠF 1s喍c喎হ S 2p喍d喎
Fig. 6 XPS spectra of LNMO electrode before and after 300 cycles: C 1s (a), O 1s (b), F 1s (c) and S 2p (d)