鋅空電池003
[1]?A dual-template strategy to engineer hierarchically porous Fe-N-C electrocatalysts for the?high-performance cathodes of?Zn-air?batteries?dagger,(12.732),10.1039/d1ta00585e
內(nèi)容:本文采用MgO和ZnCl2軟模板法制備Fe–N–HPC,其多空結(jié)構(gòu)和Fe–Nx?活性位點(diǎn)提高了活性位點(diǎn)和傳質(zhì)過程,促進(jìn)了ORR反應(yīng)。鋅空電池在堿性環(huán)境中展現(xiàn)1.48V的開路電壓,952.8 W h kgZn?1的能量密度。在10 mA cm?2?穩(wěn)定循環(huán)140 h。
全固態(tài)鋅空電池的制備:5 g polyvinyl alcohol (PVA)+?45 mL H2O (?stirring)+ 5 mL KOH solution (1 g mL?1) (stirring for 40 min at 95 °C)?
過氧化氫產(chǎn)量計(jì)算(ID?和IR是圓盤和圓環(huán)的電流,?N是?Pt 環(huán)的回收效率?(37%)):

[2]?Optimizing the Spin States of Mesoporous Co3O4 Nanorods through Vanadium Doping for Long-Lasting and Flexible Rechargeable?Zn-Air?Batteries, (13.084),10.1021/acscatal.1c01585
內(nèi)容:通過V摻雜Co3O4使Co3+軌道從Oh位?提高到?eg 空位(≈1.010),促進(jìn)ORR/OER反應(yīng)。在10 mA cm?2?穩(wěn)定循環(huán)140 h。(XPS,)
通過計(jì)算得到磁性和軌道的關(guān)系,(儀器電子順磁共振波普儀ESR)
eg occupancy of Co3+的計(jì)算公式:x=SHS?VHS+SLS?VLS= 2VHS.
?μeff2 = g2 J(J + 1)μB 2;?μeff=gμB(SHS?(SHS+1)VHS+SLS(SLS+1)?VLS)(-1/2)
(SHS=2,SLS=0,VHS和VLS=1-VHS由μeff計(jì)算得到)
[3]?The dual-nitrogen-source strategy to modulate a bifunctional hybrid Co/Co-N-C catalyst in the reversible?air?cathode for?Zn-air?batteries,???(9.127),10.1016/j.jpowsour.2020.229339
內(nèi)容:(雙氮?)鄰二氮菲熱解合成Co/Co–N–C。在2 mA cm?2?穩(wěn)定循環(huán)167?h。
[4]?Rational design of hierarchically porous Fe-N-doped carbon as efficient electrocatalyst for oxygen reduction reaction and?Zn-air?batteries,?NANO RESEARCH (8.897),?10.1007/s12274-021-3422-z
內(nèi)容:以Zn為軟模板,熱解合成由微、中、大孔結(jié)構(gòu)組成不同F(xiàn)eNC-x材料,同時(shí)其Fe含量不同。FeNC-0.04以中大孔結(jié)構(gòu),移動(dòng)的鐵含量(0.04)增加活性位點(diǎn),提高電荷傳輸,促進(jìn)ORR反應(yīng)。
[5]?Pt/CoFe2O4-C hollow ball as efficient bifunctional electrocatalyst for?Zn-air?batteries,?CATALYSIS TODAY (6.766),?10.1016/j.cattod.2020.04.015
內(nèi)容:冷凍干燥合成?Pt/CoFe2O4-C。在30?mA cm?2?穩(wěn)定循環(huán)12?h。
[6]?FeS2-CoS2 incorporated into nitrogen-doped carbon nanofibers to boost oxygen electrocatalysis for durable rechargeable?Zn-air?batteries,?JOURNAL OF POWER SOURCES,?10.1016/j.jpowsour.2020.228955
內(nèi)容:通過靜電紡絲,高溫煅燒,硫化合成FeS2–CoS2/NCFs 催化劑。在10?mA cm?2?穩(wěn)定循環(huán)250?h。