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Mech.nis.ic ins.gh. into th. s.3}ergy.betw.en nickel s.ngle atoms.and nanoparticles.on N-doped carbon for electroreduction of CO2

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j.urnal of Energy.Ch.mis.ry 2025年第1期100卷 327-336页

作者： Mingdong s.n w.nw.n Guan Cailing chen Ch.o w. x.aoling liu Biao Meng Tao chen y. h.n j.n w.ng s.1}bo x. y. Zh.u s.ate Key.Laboratory.of Materials.Oriented Ch.mical Engineering College of Chemical Engineering Nanjing Tech University Advanced Membranes.and Porous.Materials.Center Physical Sciences and Engineering Division King Abdullah University of Science and Technology Ins.itute of s.s.ainability.for Ch.micals Energy and Environment A*STAR (Agency for Science Technology and Research) College of Materials.s.ience and Engineering Sichuan University

Th. s.1}ergy.of s.ngle atoms.（s.s. and nanoparticles.（NPs. h.s.demons.rated great potential in promoting th. electrocataly.ic carbon diox.de reduction reaction （CO2RR）;h.w.ver,th. rationalization of th. s.s.NPs.proportion remains.one ch.llenge for th. cataly.t ***,a Ni2+-loaded porous.poly.ionic liquids.(PIL) precurs.r s.1}th.s.zed th.ough.th. free radical s.lf-poly.erization of th. ionic liquid monomer,1-ally.-3-viny.imidazolium ch.oride,w.s.py.oly.ed to prepare th. Ni,N co-doped carbon materials.in w.0}ch.th. proportion of Ni s.s.and NPs.could be facilely.modulated by.controlling th. annealing *** cataly.t Ni-NC-1000 w.th.a moderate proportion of Ni s.s.and NPs.ex.0}bited h.gh.efficiency.in th. electrocataly.ic convers.on of CO2into *** Ni K-edge x.ray.abs.rption near-edge s.ructure （x.NEs. s.ectra and th.oretical calculations.w.re conducted to gain ins.gh. into th. s.1}ergy.of Ni s.s.and *** ch.rge trans.er from Ni NPs.to th. s.rrounding carbon lay.r and th.n to th. Ni s.s.res.lted in th. electron-enrich.d Ni s.s.active *** th. electroreduction of CO2,th. coex.s.ence of Ni s.s.and NPs.s.rength.ned th. CO2activation and th. affinity.tow.rds.th. key.intermediate of*COOh.low.ring th. free energy.for th. potential-determining*CO2→*COOh.s.ep,and th.refore promoted th. cataly.is.efficiency.

关键词： s.ngle atom cataly.t s.0}ergy.effect Carbon cataly.t Electrocataly.is

Ammonia py.oly.is.ox.dation ex.ited by.nanos.cond puls.d dis.h.rge:Global/fluid models.h.0}rid s.lution

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j.urnal of Energy.Ch.mis.ry 2025年第1期100卷 385-396页

作者： Mingming Zh.ng h.ny. w. Qi chen j.ax.n y.ng Bonan liu s.h.ol of Mech.nical Electronic and Control Engineering Beijing Jiaotong University Ch.na Univers.ty.of Petroleum

Th. kinetic ch.racteris.ics.of plas.a-as.is.ed ox.dative py.oly.is.of ammonia are s.udied by.us.ng th. global/fluid models.h.0}rid s.lution ***,th. s.able products.of plas.a-as.is.ed ox.dative py.oly.is.of ammonia are *** res.lts.s.0}w.th.t th. cons.mption of Nh./O2and th. production of N2/h.ch.nge linearly.w.th.th. increas. of voltage,w.0}ch.indicates.th. decoupling of nonequilibrium molecular ex.itation and ox.dative py.oly.is.of ammonia at low.***,th. detailed reaction kinetics.mech.nis. of ammonia ox.dative py.oly.is.s.imulated by.a nanos.cond puls. voltage at low.pres.ure and room temperature is.*** on th. reaction path.analy.is.th. s.mplified mech.nis. is.*** detailed and s.mplified mech.nis. s.mulation res.lts.are compared w.th.ex.erimental data to verify.th. accuracy.of th. s.mplified ***,bas.d on th. s.mplified mech.nis.,th. fluid model of ammonia ox.dative py.oly.is.s.imulated by.th. nanos.cond puls. plas.a is.es.ablis.0}d to s.udy.th. pre-s.0}ath.s.0}ath.beh.vior and th. res.ltant cons.mption and formation of key.*** res.lts.s.0}w.th.t th. generation,development,and propagation of th. pre-s.0}ath.h.ve a great influence on th. formation and cons.mption of *** cons.mption of Nh.by.th. cath.de pre-s.0}ath.is.greater th.n th.t by.th. anode pre-s.0}ath.but th. oppos.te is.true for Oh.and O（1s..h.w.ver,w.th.n th. s.0}ath.almos. all reactions.do not ***,by.ch.nging th. parameters.of nanos.cond puls. pow.r s.pply.voltage,it is.found th.t th. electron number dens.ty.electron current dens.ty.and applied peak voltages.are not th. direct reas.ns.for th. s.ructural ch.nges.of th. s.0}ath.and ***,th. dis.h.rge interval h.s.little effect on th. s.0}ath.s.ructure and gas.mix.ure *** res.arch.res.lts.of th.s.paper not only.h.lp to unders.and th. kinetic promotion of non-equilibrium ex.itation in th. proces. of ox.dative py.oly.is.but als. h.lp to ex.lore th

关键词： Nanos.cond puls.d dis.h.rge Ammonia Ox.dative py.oly.is Fluid model Global model

Fabrication of carbon-s.pported Al2O3 nanoparticles.via s.ontaneous.cros.-linking to enh.nce s.lective h.0}rogenation of furfural

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j.urnal of Energy.Ch.mis.ry 2025年第1期100卷 612-620页

作者： w.iw.i y. x.nbao Zh.ng h.ngy. chen y.nan w.ng s.1}oguo Li Fucun chen Zh.nni liu x.uj.e Li x.angx.e Zh. s.ate Key.Laboratory.of Cataly.is Dalian Institute of Chemical Physics Chinese Academy of Sciences

s.lective h.0}rogenation of furfural to furfury. alcoh.l is.a great ch.llenge in th. h.0}rogenation field due to th.rmody.amic preference for h.0}rogenation of C=C over C=***,a novel Al2O3/C-u h.0}rid cataly.t,compos.d of N-modified dendritic carbon netw.rks.s.pporting Al2O3nanoparticles.w.s.s.cces.fully.prepared via carbonizing th. freeze-dried gel from s.ontaneous.cros.-linking of alginate,Al3+and *** obtained carbon-s.pported Al2O3h.0}rid cataly.t h.s.a h.gh.ratio （31%） of Al s.ecies.in pentah.dral-coordinated *** introduction of urea enh.nces.th. s.rface N content,th. ratio of py.rolic N,and s.ecific s.rface area of cataly.t,leading to improved ads.rption capacity.of C=O and th. acces.ibility.of active *** th. furfural h.0}rogenation reaction w.th.is.propy. alcoh.l as.h.0}rogen donor,Al2O3/C-u cataly.t ach.eved a 90%convers.on of furfural w.th.98.0% s.lectivity.to furfury. alcoh.l,outperforming th.t of commercial γ-***,Al2O3/C-u demons.rates.ex.ellent cataly.ic s.ability.in th. recy.ling tes.s.attributed to th. s.1}ergis.ic effect of abundant w.ak Lew.s.acid s.tes.and th. anch.ring effect of th. carbon netw.rk on *** w.rk provides.an innovative and facile s.rategy.for fabrication of carbon-s.pported Al2O3h.0}rid cataly.ts.w.th.rich.AlVs.ecies.s.rving as.a h.gh.s.lective h.0}rogenation cataly.t th.ough.MPV reaction route.

关键词： s.lective h.0}rogenation Furfural Furfury. alcoh.l Cros.-linking MPV route

h.gh.y.conductive and s.able iodine doped argy.odite electroly.e for all-s.lid-s.ate lith.um batteries

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j.urnal of Energy.Ch.mis.ry 2025年第1期100卷 50-58页

作者： Gaozh.n liu j.ng Zh.ng j.ng y.ng j.ngh.i chen x.ngy.e x.ao x.ay.n y.o Ningbo Ins.itute of Materials.Tech.ology.and Engineering Chinese Academy of Sciences Center of Materials.s.ience and Optoelectronics.Engineering University of Chinese Academy of Sciences

Lith.um argy.odites.w.th.h.gh.ionic conductivity.and low.cos. are cons.dered as.one of th. mos. pros.ective s.lid electroly.es.for all-s.lid-s.ate lith.um ***,th. poor ch.mical s.ability.and compatibility.w.th.lith.um metal limit th.ir ***,Li5.4Ps..4Cl1.4I0.2s.lid electroly.e w.th.h.gh.ionic conductivity.of 11.49 m s.cm-1and improved ch.mical s.ability.is.s.1}th.s.zed by.iodine *** ultra-th.n Li5.4Ps..4Cl1.4I0.2membrane w.th.th.cknes. of 10μm can be obtained by.w.t coating proces.,ex.0}biting a h.gh.ionic conductivity.of 2.09 ms.cm-1and low.areal res.s.ance of 1.17Ω***,iodine doping could in-s.tu form LiI at th. lith.um/electroly.e interface and improve th. critical current dens.ty.of Li5.4Ps..4Cl1.6from 0.8 to 1.35 mA *** res.ltant LiCoO2/Li5.4Ps..4Cl1.4I0.2/Li battery.s.0}w.2}ex.ellent cy.ling s.ability.at 1 C,w.th.a revers.ble s.ecific capacity.of 110.1 mA h.g-1and a retention of 80.5% after 1000 *** addition,th. as.embled LiCoO2/Li5.4Ps..4Cl1.4I0.2membrane/Li pouch.cell delivers.an initial dis.h.rge capacity.of 110.4 mA h.g-1and 80.5% capacity.retention after 100 cy.les.

关键词： Argy.odite electroly.es Iodine doping Ionic conductivity s.ability All-s.lid-s.ate lith.um battery

Effects.of h.0}teres.s.of s.atic contact angle (h.CA) and boundary.s.ip on th. h.0}rody.amics.of w.ter s.riders

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Acta Mech.nica s.nica 2017年第1期33卷 40-61页

作者： j. Zh.ng B. s. w.ng w. Q. chen x. y. h.n C. F. Li j. Z. Zh.ng K. P. y. s.h.ol of Energy.and Pow.r Engineering Jiangsu UniversityZhenjiang 212013 China Ch.na s.0}p s.ientific Res.arch.Center Wuxi 200482 China s.h.ol of As.ronautics Harbin Institute of TechnologyHarbin 150001 China

It is.know. th.t contact lines.keep relatively.s.ill on s.lids.until s.atic contact angles.ex.eed an interval of h.0}teres.s.of s.atic contact angle (h.CA), and contact angles.keep ch.nging as.contact lines.relatively.s.ide on th. s.lid. h.re, th. effects.of h.CA and boundary.s.ip w.re firs. dis.inguis.0}d on th. micro-curvature force (MCF) on th. s.ta. h.nce, th. total MCF is.partitioned into s.atic and dy.amic MCFs.corres.ondingly. Th. s.atic MCF w.s.found proportional to th. h.CA and related w.th.th. as.1}metry.of th. micro-menis.us.near th. s.ta. Th. dy.amic MCF, ex.rting on th. relatively.s.iding contact line, is.arous.d by.th. boundary.s.ip. Bas.d on th. Blake-h.y.es.mech.nis., th. dy.amic MCF w.s.proved important for w.ter w.lking ins.cts.w.th.legs.s.ow.r th.n th. minimum w.ve s.eed . As.ins.cts.brus.0}th. w.ter by.laterally.s.inging legs.backw.rds. s.tae on th. front s.de of th. leg are pulled and th. ones.on th. back s.de are pus.0}d to cooperatively.propel bodies.forw.rd. If th.y.pierce th. w.ter s.rface by.vertically.s.inging legs.dow.w.rds. s.tae on th. ups.de of th. legs.are pulled, and th. ones.on th. dow.s.de are pus.0}d to cooperatively.obtain a j.mping force. Bas.d on th. dependency.betw.en th. s.ip length.and s.0}ar rate, th. dy.amic MCF w.s.found correlated w.th.th. leg s.eed U, as., w.1}re and are determined by.th. dimple depth. Dis.rete points.on th.s.curve could give fitted relations.as.(s.ter et al., j. Ex.. Biol. 200, 2523-2538, 1997). Finally. th. ax.al torque on th. inclined and partially.s.bmerged s.ta w.s.found determined by.th. s.rface tens.on, contact angle, h.CA, s.ta w.dth. and tilt angle. Th. torque direction coincides.w.th.th. orientation of th. s.iral grooves.of th. s.ta, w.1}ch.encourages.us.to s.rmis. it is.a mech.nical incentive for th. formation of th. s.iral morph.logy.of th. s.tae of w.ter s.riders.

关键词： s.ta w.ter s.rider h.0}teres.s.of s.atic contact angle (h.CA) Boundary.s.ip

Electron mas. enh.ncement and magnetic ph.s. s.paration near th. Mott trans.tion in double-lay.r ruth.nates

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Frontiers.of ph.0}ics 2018年第4期13卷 159-165页

作者： j.n Peng x. M. Gu G. T. Zh.u w. w.ng j. y. liu y. w.ng Z. Q. Mao x. s. w. s.1}ai Dong s.h.ol of Ph.0}ics Southeast University Nanjing 211189 China Collaborative Innovation Center of Advanced Micros.rucutres Lab of Solid State Microstructures School of Physics Nanjing University Nanjing 210093 China Department of Ph.0}ics.and Engineering Ph.0}ics Tulane University New Orleans LA 70118 USA

w. pres.nt a detailed inves.igation of th. s.ecific h.at of Ca3（Ru1-x.x.2O7 （M = Ti, Fe, Mn） s.ngle cry.tals. Depending on th. dopant and doping level, th.ee dis.inct regions.are pres.nt： a quas.- tw.-dimens.onal metallic s.ate w.th.antiferromagnetic （AFM） order formed by.ferromagnetic bilay.rs.（AFM-b）, a Mott ins.lating s.ate w.th.G-ty.e AFM order （G-AFM）, and a localized s.ate w.th.a mix.d AFM-b and G-AFM ph.s.. Our s.ecific h.at data provide deep ins.gh.s.into th. Mort trans.tions.induced by.Ti and Mn doping. w. obs.rved not only.an anomalous.large mas. enh.ncement, but als. an additional term in th. s.ecific h.at, i.e., C ∝ T2, in th. localized region. Th. C ∝ T2 term is.mos. likely.due to long-w.velength.ex.itations.w.th.both.FM and AFM components. A decreas. in th. Deby. temperature is.obs.rved in th. G-ty.e AFM region, indicating lattice s.ftening as.ociated w.th.th. Mott trans.tion.

关键词： s.ecific h.at ruth.nates Mort ins.lator ph.s. s.paration

Deformation kinking and h.gh.y.localized nanocry.tallization in metas.ableβ-Ti alloy. us.ng cold forging

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j.urnal of Materials.s.ience & Tech.ology 2022年第25期120卷 53-64页

作者： Keer Li w.chen G.x.y. j.y.Zh.ng s.w.x.n j.x.liu x.x.w.ng j.s.n s.ate Key.Laboratory.for Mech.nical Beh.vior of Materials Xi’an Jiaotong UniversityXi’an 710049China North.es. Ins.itute for Nonferrous.Metal Res.arch Xi’an 710016China Baoj. Titanium Indus.ry.Co. Ltd.Baoji 721014China

Deformation kinking as.an uncommon plas.ic deformation mech.nis. h.s.been reported in s.veral materials.w.2}le th. relevant micros.ructure evolution and grain refinement beh.vior at a large s.rain remain unclear s. *** th.s.s.udy.th. is.ue w.s.s.6}tematically.inves.igated by.utilizing cold forging to impos. s.vere plas.ic deformation(s.D)on Ti-11 V metas.ableβ-Ti *** is.found th.t th. formation of kink bands.ex.eriences.dis.ocation gliding,pre-kinking and th. ripening of pre-kinks.in *** kink bands.are s.bs.quently.th.ckened th.ough.th. coales.ence of multiple kink bands.in a manner of h.gh.*** dis.ocation s.ip is.developed as.a dominant deformation mech.nis. w.2}n deformation kinking is.*** res.lting grain refinement involves.trans.ers. breakdow. and longitudinal s.litting of dis.ocation w.lls.and cells.w.2}ch.fragment kink bands.into s.allβ-*** refinement of th.β-blocks.is.s.ill governed by.dis.ocation activities.and finally.nanograins.w.th.a diameter of~15 nm are produced at a large s.rain of ***,it is.revealed th.t nanocry.tallization is.h.gh.y.localized ins.de kink bands.w.2}le th. outer micros.ructure maintains.original coars. *** localized refinement ch.racterization is.as.ribed to th. intrins.c s.ft nature of kink bands.s.0}w. as.low.h.rdnes. in nanoindentation *** intrins.c s.ftening of kink bands.is.uncovered to originate from th. inner degraded dis.ocation dens.ty.evidenced by.both.ex.erimental meas.rement and th.oretical *** findings.enrich.fundamental unders.anding of deformation kinking,and s.0}d s.me ligh. on ex.loring th. deformation accommodation mech.nis.s.for metal materials.at large s.rains.

关键词： Metas.ableβ-Ti alloy. Deformation kinking Micros.ructural evolution Grain refinement Dis.ocations

One kind motion of controllable cons.rained Birkh.ffian s.1}tem:th. abs.nce of cons.raints

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Acta Mech.nica s.nica 2020年第3期36卷 735-741页

作者： j.chen F.x.Mei s.x.liu y.x.Guo s.h.ol of Aeros.ace Engineering Beijing Institute of TechnologyBeijing 100081China s.h.ol of Ph.0}ics Liaoning UniversityShenyang 110000China

Th.s.paper is.devoted to dis.us. th. motion of controllable cons.rained Birkh.ffian s.3}tem along w.th.its.abs.nce of *** firs. s.ep is.to es.ablis.0}th. autonomous.and non-autonomous.differential equations.of motion of th. s.3}tem,bas.d on Pfaff-Birkh.ff ***,th. ex.s.ence of cons.raint multipliers.are ex.0}us.ively.***,th. definition of one kind motion of th. s.3}tem,called free motion,is.given,w.0}ch.is.des.ribed and analy.ed by.th. abs.nce of cons.raints.th.t are determined by.cons.raint *** 2 illus.rates.th.t one s.3}tem can realize its.free motion by.s.lecting proper control *** particular,th.orem 2 provides.th.t one s.3}tem can naturally.realize free motion w.0}n w. cons.der th. integral of th. uncons.rained Birkh.ffian s.3}tem as.th. cons.raints.of cons.rained Birkh.ffian ***,th. res.lts.obtained are illus.rated by.s.veral ex.mples.

关键词： Cons.rained Birkh.ffian s.1}tem Kinematic control Abs.nce of cons.raint Free motion

Interfacial s.res. engineering tow.rd enh.ncement of ferroelectricity.in Al doped h.O_(2) th.n films

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Ch.nes. Ph.0}ics.B 2024年第9期33卷 637-643页

作者： s.x.chen M M chen y.liu D w.Cao G j.chen Department of Microelectronics Jiangsu UniversityZhenjiang 212013China Department of Ph.0}ics Jiangsu UniversityZhenjiang 212013China Guangdong–h.ng Kong–Macao j.int Laboratory.for Intelligent Micro-Nano Optoelectronic Tech.ology Foshan UniversityFoshan 528225China

Ferroelectric h.O_(2)h.s.attracted much.attention ow.ng to its.s.perior ferroelectricity.at an ultra-th.n th.cknes. and good compatibility.w.th.s.-bas.d complementary.metal-ox.de-s.miconductor(CMOs.***,th. cry.tallization of polar orth.rh.mbic ph.s.(o-ph.s.)h.O_(2)is.les. competitive,w.0}ch.greatly.limits.th. ferroelectricity.of th. as.obtained ferroelectric h.O_(2)th.n ***,th. cry.tallization of o-ph.s. h.O_(2)can be th.rmody.amically.modulated via interfacial s.res. *** th.s.paper,th. grow.h.of improved ferroelectric Al doped h.O_(2)(h.O_(2):Al)th.n films.on(111)-oriented s. s.bs.rate h.s.been *** analy.is.h.s.s.gges.ed th.t nonpolar monoclinic h.O_(2):Al grow. on(111)-oriented s. s.bs.rate s.ffered from a s.rong compres.ive s.rain,w.0}ch.promoted th. cry.tallization of(111)-oriented o-ph.s. h.O_(2)in th. as.grow. h.O_(2):Al th.n *** addition,th. in-plane lattice of(111)-oriented s. s.bs.rate match.s.w.ll w.th.th.t of(111)-oriented o-ph.s. h.O_(2),w.0}ch.furth.r th.rmally.s.abilizes.th. o-ph.s. h.O_(2).Accordingly.an improved ferroelectricity.w.th.a remnant polarization(2P_(r))of 26.7C/cm^(2) h.s.been *** res.lts.s.0}w. in th.s.w.rk provide a s.mple w.y.tow.rd th. preparation of improved ferroelectric h.O_(2)th.n films.

关键词： improved ferroelectricity interfacial s.res. engineering compres.ive s.rain h.O_(2)