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St.ged dendrit. suppression for h.gh.safe and st.ble lit.ium-sulfur bat.eries

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Journal of Energy c.0}mist.y 2025年第1期100卷 674-683页

作者： Jun Jiang Zh.njie Lu Yanwen Ding Sh.jun Liu Zh.jie Qi tian t.ng Yunfan Zh.ng Zh.yuan Ma Jingwen Sun Liang x.e Wenyao Zh.ng Pan x.ong x.n Wang Junwu zhu Yongsh.ng Fu Key Laborat.ry for Soft.c.2}mist.y and Func.0}onal Mat.rials of Minist.y of Educ.t.on Nanjing University of Science and Technology Jiangsu Pylon Bat.ery c..Lt.

t.e unavoidable dendrit. growt. and sh.t.le effec.0}h.ve long been st.angleh.ld c.3}llenges limit.ng t.e safet. and prac.0}c.lit. of lit.ium-sulfur ***,we propose a dual-ac.0}on st.at.gy t. address t.e lit.ium dendrit. issue in st.ges by c.nst.uc.0}ng a mult.func.0}onal surfac.-negat.vely-c.3}rged nanodiamond layer wit. h.gh.duc.0}lit. and robust.punc.0}re resist.nc. on polypropylene （PP） *** uniformly loaded c.mpac.0}negat.ve layer c.n not.only signific.nt.y enh.nc. elec.0}on t.ansmission effic.enc. and promot. uniform lit.ium deposit.on,but.also reduc. t.e format.on of dendrit. during early deposit.on *** import.nt.y,under t.e st.ong punc.0}re st.ess enc.unt.red during t.e det.riorat.on of lit.ium dendrit. growt. under limit.ng c.rrent.t.e h.gh.duc.0}lit. and robust.punc.0}re resist.nc.（145.88 MPa） of as-obt.ined nanodiamond layer c.n effec.0}vely prevent.sh.rt.c.rc.it. c.used by unavoidable lit.ium *** Li||Li symmet.ic.l c.lls assembled wit. nanodiamond layer modified PP demonst.at.d a st.ble c.c.e of over 1000 h.at.2 mA c.-2wit. a polarizat.on volt.ge of only 29.3 ***,t.e negat.ve c.3}rged layer serves as a ph.sic.l barrier bloc.ing lit.ium polysulfide ions,effec.0}vely mit.gat.ng c.pac.t. *** improved c.lls ac.3}eved a c.pac.t. dec.y of only 0.042%per c.c.e aft.r 700 c.c.es at.3 c.demonst.at.ng effec.0}ve suppression of dendrit. growt. and c.pac.t. at.enuat.on,sh.wing promising prospec.0}

关键词： Duc.0}lit.

Effec.0}of c.rrier gases on t.e ent.ainment.defec.0} wit.in AZ91 alloy c.st.ngs

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Journal of Magnesium and Alloys 2022年第1期10卷 142-159页

作者： tian Li J.M.t.Davies x.angzh.n zhu Universit. of Birmingh.m Birmingham 8152TTUnited Kingdom Grainger and Worrall Lt. Bridgnorth WV155HPUnited Kingdom Brunel c.nt.e for Advanc.d Solidific.t.on t.c.3}ology Brunel University LondonKingston LnLondonUxbridge UB83PHUnited Kingdom

An ent.ainment.defec.0}also known as a double ox.de film defec.0}or bifilm) ac.0} a void c.nt.ining an ent.apped gas wh.n submerged int. a ligh.0}alloy melt. t.us reduc.ng t.e qualit. and reproduc.bilit. of t.e final c.st.ngs. Previous public.t.ons, c.rried out.wit. Al-alloy c.st.ngs, report.d t.at.t.is t.apped gas c.uld be subsequent.y c.nsumed by t.e reac.0}on wit. t.e surrounding melt. t.us reduc.ng t.e void volume and negat.ve effec.0}of ent.ainment.defec.0}. c.mpared wit. Al-alloys, t.e ent.apped gas wit.in Mg-alloy migh.0}be more effic.ent.y c.nsumed due t. t.e relat.vely h.gh.reac.0}vit. of magnesium. h.wever, researc.8}int. t.e ent.ainment.defec.0} wit.in Mg alloys h.s been signific.nt.y limit.d. In t.e present.work, AZ91 alloy c.st.ngs were produc.d under different.c.rrier gas at.osph.res(i.e., SF6/c.2, SF6/air).t.e evolut.on proc.sses of t.e ent.ainment.defec.0} c.nt.ined in AZ91 alloy were suggest.d ac.ording t. t.e mic.ost.uc.0}re inspec.0}ons and t.ermodynamic.c.lc.lat.ons. t.e defec.0} formed in t.e different.at.osph.res h.ve a similar sandwic.8}like st.uc.0}re, but.t.eir ox.de films c.nt.ined different.c.mbinat.ons of c.mpounds. t.e use of c.rrier gases, wh.c.8}were assoc.at.d wit. different.ent.ained-gas c.nsumpt.on rat.s, affec.0}d t.e reproduc.bilit. of AZ91 c.st.ngs.

关键词： Magnesium alloy c.st.ng Ox.de film,Bifilm,Ent.ainment.defec.1}Reproduc.bilit.

c.0}rac.1}rizat.on of mult.layers and t.eir int.rlayers： applic.t.ont. c.-based syst.ms

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c.0}nese Opt.c. Let.ers 2013年第13期11卷 137-140页

作者： P. Jonnard Z.-S. Wang J.-t. zhu c. Meny J.-M. Andre M.-h. h. K. Le Guen Laborat.ire de c.1}mie Ph.sique-Mat.ere Rayonnement UPMC Univ Paris 06 CNRS UMR 7614 11 rue Pierre et Maxie Curie F-75231 Paris cedex 05 France MOE Key Laborat.ry of Advanc.d Mic.o-St.uc.0}red Mat.rials Institute of PrecisionOptical Engineering Department of Physics Tongji University Shanghai 200092 China Inst.t.t.de Ph.sique et.c.3}mie des Mat.riaux.de St.asbourg CNRS UMR 7504 23 rue du Loess BP 43 F-67034 Strasbourg cedex 2 France

We use c.mplement.ry analysis t.c.2}iques t. det.rmine t.e st.uc.0}re of nanomet.ic.periodic.mult.layers and part.c.larly t.eir int.rfac.s. We foc.s on c.-based mult.layer wh.c.2}c.n be used as effic.ent.opt.c.l c.mponent.in t.e ex.reme ult.aviolet.（EUV） range. t.e samples are c.2}rac.0}rized using reflec.0}vit. measurement. in order t. det.rmine t.e t.ic.ness and rough.ess of t.e various layers, x.ray emission and nuc.ear magnet.c.resonanc. （NMR） spec.0}osc.pies t. ident.fy t.e c.2}mic.l st.t. of t.e at.ms present.wit.in t.e st.c. and know if t.ey int.rdiffuse. Result. are validat.d t.rough.t.e use of dest.uc.0}ve t.c.2}iques suc.2}as t.ansmission elec.0}on mic.osc.py or sec.ndary ion mass spec.0}omet.y.

关键词： Mult.layers

Dielec.0}ic.and insulat.ng propert.es of Srt.O_3/Si h.t.rost.uc.0}re c.nt.olled by c.t.on c.nc.nt.at.on

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Sc.enc. c.0}na(Ph.sic.,Mec.0}nic. & Ast.onomy) 2013年第12期56卷 2404-2409页

作者： YANG Fang YANG Zh.nZh.ng LI Went.o LI FengMiao zhu x.et.o GU Lin LEE h.D. Sh.BEIt. S. x. c. GUSt.FSSON t. GUO JianDong Beijing Nat.onal Laborat.ry for c.ndensed Mat.er Ph.sic. Institute of PhysicsChinese Academy of Sciences Depart.ent.of Ph.sic. and Ast.onomy Rutgersthe State University of New Jersey

Srt.O3 films wit. different.c.t.on c.nc.nt.at.on were deposit.d on Si（001） subst.at.s by ox.de molec.lar beam epit.x.. An amorph.us layer was observed at.t.e int.rfac. wh.se t.ic.ness depends on t.e ox.gen pressure and t.e subst.at. t.mperat.re during growt.. Alt.ough.lowering t.e ox.gen vac.nc. c.nc.nt.at.on in Srt.O3 led t. bet.er insulat.ng performanc. as indi- c.t.d by t.e lowered leakage c.rrent.densit. of t.e h.t.rost.uc.0}re, t.e dielec.0}ic.performanc. was det.riorat.d bec.use of t.e t.ic.ened int.rrac.al layer t.at.dominat.d t.e c.pac.t.nc. of Srt.O3/Si h.t.rost.uc.0}re. Inst.ad of adjust.ng t.e ox.gen vac.n- c. c.nc.nt.at.on, we propose t.at.c.nt.olling t.e film c.t.on c.nc.nt.at.on is an effec.0}ve way t. t.ne t.e dielec.0}ic.and insu- lat.ng propert.es of Srt.O3/Si at.t.e same t.me.

关键词： ox.de h.t.rost.uc.2}re ox.de films film st.ic.1}omet.y c.t.on c.nc.nt.at.on int.rfac.ai layer

Ac.0}eving h.gh.h.t.ro-deformat.on induc.d(h.I)st.engt.ening and h.rdening in brass by dual h.t.rost.uc.4}res

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Journal of Mat.rials Sc.enc. & t.c.2}ology 2022年第3期98卷 244-247页

作者： x.t.Fang Z.K.Li Y.F.Wang M.Ruiz x.L.Ma h.Y.Wang Y.zhu R.Sc.3}ell c.Zh.ng D.Kaoumi Y.t.zhu Depart.ent.of Mat.rials Sc.enc. and Engineering North Carolina State UniversityRaleighNC 27695USA Key Laborat.ry for Anisot.opy and t.x.ure of Mat.rials of Minist.y of Educ.t.on Northeastern UniversityShenyang 110819China Sc.0}ol of Aeronaut.c. and Ast.onaut.c. Sichuan UniversityChengdu 610065China Depart.ent.of Mat.rials Sc.enc. and Engineering Texas A and M UniversityCollege StationTX 77840USA Depart.ent.of Mec.2}nic.l and Aerospac. Engineering North Carolina State UniversityRaleighNC 27695USA Depart.ent.of Nuc.ear Engineering North Carolina State UniversityRaleighNC 27695USA Sc.enc. and t.c.1}ology on t.ermost.uc.0}ral c.mposit. Mat.rials Laborat.ry Northwestern Polytechnical UniversityXi’an 710072China

h.t.rost.uc.1}red mat.rials,defined as mat.rials t.at.c.nt.in mult.ple zones wit. dramat.c.lly different.flow st.esses,h.ve t.e pot.nt.al t. push.t.e envelope of t.e st.engt.-duc.1}lit. of met.ls and alloys beyond wh.t.c.n be obt.ined c.nvent.onally[1–3].A prominent.ex.mple is t.e h.t.rogeneous lamella t. t.at.is as st.ong as it. ult.afine-grained t.,wh.le as duc.1}le as t.e c.arsegrained t.[4].

关键词： grain st.engt.ening deformat.on

t.e Diffusion of t.-99 in Beish.n Granit.-t.mperat.re Effec.

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World Journal of Nuc.ear Sc.enc. and t.c.1}ology 2013年第1期3卷 33-39页

作者： c. Li Z. Zh.ng x. Y. Liu t. c.0}n W. Y. tian L. h. Wang c. L. Wang c. L. Liu Beijing Nat.onal Laborat.ry for Molec.lar Sc.enc. Radiochemistry & Radiation Chemistry Key Laboratory for Fundamental Science College of Chemistry and Molecular Engineering Peking University Beijing China Beijing Nat.onal Laborat.ry for Molec.lar Sc.enc. Radiochemistry & Radiation Chemistry Key Laboratory for Fundamental Science College of Chemistry and Molecular Engineering Peking University Beijing China Nort. c.1}na Elec.0}ic.Power Universit. Beijing China

In t.e safet. assessment.of a pot.nt.al sit. for h.gh.level radioac.0}ve wast.s (h.W) disposal, t.e invest.gat.on on t.e geoc.6}mic.l beh.viors of key radionuc.ides wit. t.e possibilit. for releasing from t.e pot.nt.al reposit.ry is an import.nt.aspec.0} Due t. t.e h.gh.mobilit. of t.c.6}et.um under most.reposit.ry c.ndit.ons, lot. of researc.6}works were performed t. invest.gat. t.e diffusion of t.c.6}et.um in different.pot.nt.al roc.s. In spit. of t.ese st.dies, t.ere remains a lac. of dat. addressing t.mperat.re effec.0}. In t.is paper, t.e diffusion of 99t. in Beish.n granit. at.t.mperat.res from 25℃ t. 55℃ was st.died wit. laborat.ry small sc.le diffusion devic.s. t.e ex.eriment.l dat. were fit.ed wit. a finit. differenc. sc.6}me t. get.t.e effec.0}ve diffusion c.effic.ent.(De) of . t.e result. indic.t.d t.at.t.e relat.onsh.p of De wit. t.mperat.res c.uld be desc.ibed as t.e modified St.kes-Einst.in equat.on, and t.e format.on fac.0}r of Beish.n granit. was c.nst.nt.in t.e t.mperat.re range of 25℃ - 55℃ wit. t.e value of (3.91 ± 1.77) × 10-4.

关键词： Diffusion t.c.1}et.um Beish.n Granit. t.mperat.re Effec.

c.rrent.diffusion and effic.enc. droop in vert.c.l ligh.0}emit.ing diodes

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c.0}nese Ph.sic. B 2019年第1期28卷 561-569页

作者： R Q Wan t.Li Z Q Liu x.Y Yi J x.Wang J h.Li W h.zhu J M Li L c.Wang St.t. Key Laborat.ry of h.gh.Performanc. c.mplex.Manufac.0}ring c.llege of Mec.3}nic.l and Elec.0}ic.l Engineeringc.nt.al Sout. Universit. Semic.nduc.0}r Ligh.0}ng t.c.1}ology Researc.1}and Development.c.nt.r Inst.t.t. of Semic.nduc.0}rsc.1}nese Ac.demy of Sc.enc.s c.llege of Mat.rials Sc.enc. and Opt.-Elec.0}onic.t.c.4}ology Universit. of c.4}nese Ac.demy of Sc.enc.s

c.rrent.diffusion is an old issue, nevert.eless, t.e relat.onsh.p bet.een t.e c.rrent.diffusion and t.e effic.enc. of ligh.0}emit.ing diodes(LEDs) needs t. be furt.er quant.t.t.vely c.arified. By inc.rporat.ng c.rrent.c.owding effec.0}c.E) int. t.e c.nvent.onal ABc.model, we h.ve t.eoret.c.lly and direc.0}y c.rrelat.d t.e c.rrent.diffusion and t.e int.rnal quant.m effic.enc.(IQE), ligh.0}ex.rac.0}on effic.enc.(LEE), and ex.ernal quant.m effic.enc.(EQE) droop of t.e lat.ral ***, quest.ons st.ll ex.st.for t.e vert.c.l LEDs(V-LEDs). h.re first.y t.e c.rrent.diffusion lengt. L_s(I) and L_s(II) h.ve been c.arified. Based on t.is, t.e influenc. of c.E on t.e EQE, IQE, and LEE of V-LEDs were invest.gat.d. Spec.fic.lly t. our V-LEDs wit. moderat. series resist.vit., L_s(III) was developed by c.mbining L_s(I) and L_s(II), and t.e c.E effec.0}on t.e performanc. of V-LEDs was invest.gat.d. t.e wall-plug effic.enc.(WPE) of V-LEDs ware invest.gat.d finally. Our works provide a deep underst.nding of t.e c.rrent.diffusion st.t.s and t.e c.rrelat.d effic.enc. droop in V-LEDs, t.us would benefit.t.e V-LEDs' c.4}p design and furt.er effic.enc. improvement.

关键词： effic.enc. droop vert.c.l ligh. emit.ing diodes c.rrent c.owding effec. c.rrent bloc.ing layer

Rec.nt.advanc.s in t.e diversific.t.on of c.3}omones and flavones by direc.0}c.h.bond ac.0}vat.on or func.0}onalizat.on

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c.0}nese c.0}mic.l Let.ers 2020年第12期31卷 3073-3082页

作者： Sh.ngh.i tian tian Luo Yanping zhu Jie-Ping Wan c.llege of c.0}mist.y and c.0}mic.l Engineering Jiangxi Normal UniversityNanchang 330022China Sc.0}ol of Ph.rmac. Key Laboratory of Molecular Pharmacology and Drug EvaluationMinistry of EducationCollaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of ShandongYantai UniversityYantai 264005China

c.0}omone and flavone are bot. c.nt.al bac.bones of nat.ral produc.1} and c.inic.l *** of diversely func.1}onalized c.0}omones and flavones c.nst.t.t.s signific.nt.researc.0}c.nt.nt. of t.e modern synt.et.c.sc.enc. bec.use abundant.molec.lar libraries of suc.0}t.pes are c.uc.al in providing c.ndidat. c.mpounds for t.e disc.very of new ph.rmac.ut.c.ls and func.1}onal *** direc.1}c.h.bond ac.1}vat.on or func.1}onalizat.on on t.ese h.t.roc.c.ic.bac.bones provides h.gh.y powerful t.ols for t.e rapid ac.esses t. densely func.1}onalized c.0}omone and flavone *** t.e import.nc. of t.e func.1}onalized c.0}omone and flavone c.mpounds as well as t.e not.ble advanc.s in t.e synt.esis of suc.0}produc.1} by direc.1}c.h.ac.1}vat.on or func.1}onalizat.on,we review h.rein t.e researc.0}advanc.s in t.e c.h.bond ac.1}vat.on and func.1}onalizat.on reac.1}ons of c.0}o mone and flavones,in h.pe of sh.wing t.e c.rrent.st.t.s and promise of t.e researc.0}domain.

关键词： c.0}omones Flavones c.h.bond Ac.0}vat.on Func.0}onalizat.on

A Preliminary c.mparat.ve St.dy on t.e c.nt.ring Algorit.ms for c.ssiniISS NAc.Images

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Researc.0}in Ast.onomy and Ast.oph.sic. 2024年第10期24卷 58-65页

作者： t.Liang Q.-F.Zh.ng G.-M.Liu W.-h.zhu c.-S.Wang Depart.ent.of c.mput.r Sc.enc. Jinan UniversityGuangzhou 510632China Sino-Frenc.0}Joint.Laborat.ry for Ast.omet.y Dynamics and Space ScienceJinan UniversityGuangzhou 510632China Sc.0}ol of c.mput.r Sc.enc. Guangdong University of EducationGuangzhou 510303China

Obt.ining h.gh.prec.sion is an import.nt.c.nsiderat.on for ast.omet.ic.st.dies using images from t.e Narrow Angle c.mera(NAc.of t.e c.ssini Imaging Sc.enc. Subsyst.m(ISS).Selec.0}ng t.e best.c.nt.ring algorit.m is key t. enh.nc.ng ast.omet.ic.*** t.is st.dy,we c.mpared t.e ac.urac. of five c.nt.ring algorit.ms:Gaussian fit.ing,t.e modified moment. met.od,and t.ree point.spread func.0}on(PSF)fit.ing met.ods(effec.0}ve PSF(ePSF),PSFEx.and ex.ended PSF(x.PSF)from t.e c.ssini Imaging c.nt.al Laborat.ry for Operat.ons(c.c.OPS)).We assessed t.ese algorit.ms using 70 ISS NAc.st.r field images t.ken wit. c.1 and c.2 filt.rs ac.oss different.st.llar *** ePSF met.od c.nsist.nt.y demonst.at.d t.e h.gh.st.ac.urac.,ac.1}eving prec.sion below 0.03 pix.ls for st.rs of magnit.de *** t. t.e previously c.nsidered best.t.e modified moment. met.od,t.e e PSF met.od improved overall ac.urac. by about.10%and 21%in t.e sample and line direc.0}ons,***,t.e x.SF model provided by c.c.OPS h.d lower prec.sion t.an t.e ***,t.e ePSF ex.ibit. an improvement.in measurement.prec.sion of 23%and 17%in t.e sample and line direc.0}ons,respec.0}vely,over t.e *** disc.epanc. migh.0}be at.ribut.d t. t.e x.SF foc.sing on ph.t.met.y rat.er t.an *** findings h.gh.igh.0}t.e nec.ssit. of c.nst.uc.0}ng PSF models spec.fic.lly t.ilored for ast.omet.ic.purposes in NAc.images and provide guidanc. for enh.nc.ng ast.omet.ic.measurement. using t.ese ISS NAc.images.

关键词： met.ods:analyt.c.l t.c.1}iques:image proc.ssing st.rs:imaging ast.omet.y