Kufambira mberi mukutsvagisa kwekurasikirwa kwekupisa kwekuchaja lithium bhatiri

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Onye na-ebubata ọdụ ọkụ nwere ike ibugharị

Abstract: Pfupiso yezvino kufambira mberi uye tarisiro yekusimudzira yekuchengetedzwa kwepamusoro lithium-ion bhatiri yekutsvaga. Zvakakosha kubva pakudzikama kwekushisa kwe electrolytes uye electrodes, zvikonzero zvekusagadzikana kwekupisa kwemabhatiri e-lithium ion uye maitiro avo akajekesa kuti iripo yekutengesa lithium-ion bhatiri system haina kukwana pakupisa kwepamusoro, inokurudzira kukudziridza tembiricha ye electrolyte, yakanaka uye yakaipa kugadziriswa uye Kunze kwebheteri kutonga, nezvimwewo. kugadzira yakakwira chengetedzo lithium-ion mabhatiri.

Maonero pamusoro pekusimudzira kwehunyanzvi tarisiro yekuvandudzwa kwekuchengetedza lithium-ion mabhatiri. 0 Nhanganyaya Mabhatiri eLithium ion anova mumiriri werudzi rutsva rwesimba nekuda kwekudhura kwaro, kuita kwepamusoro, simba guru, uye nharaunda yakasvibira, inoshandiswa zvakanyanya muzvigadzirwa zvemadhijitari zve3C, nharembozha uye maturusi emagetsi. Mumakore achangopfuura, nekuda kwekuwedzera kusvibiswa kwezvakatipoteredza uye nhungamiro yenyika, mota yemagetsi-yakavakirwa magetsi emagetsi musika wakawedzera kudiwa kwemabhatiri e-lithium-ion, mukugadzira-simba guru re-lithium-ion bhatiri masisitimu, nyaya dzekuchengetedza bhatiri dzakwezva kutarisisa, Matambudziko aripo anoda nekukurumidza kugadzirisa.

Kuchinja kwekushisa kwebhatiri system kunotsanangurwa nekubuda kwekupisa uye kugovera zvinhu zviviri. Kuitika kwekupisa kwe lithium ion bhatiri kwakakosha kunokonzerwa nekuita pakati pekuparara kwemafuta uye bhatiri zvinhu. Deredza kupisa kwebhatiri system uye uvandudze sisitimu ye-anti-yakakwirira tembiricha kuita, iyo bhatiri system yakachengeteka.

Uye midziyo midiki inotakurika senge nharembozha, iyo bhatiri yelaptop kazhinji isingasviki 2AH, uye simba-rudzi rwe lithium-ion bhatiri bhatiri rinoshandiswa mumotokari dzemagetsi kazhinji rakakura kupfuura 10ah, uye tembiricha yemuno inowanzokwira kupfuura 55 ° C panguva yekushanda kwakajairika, uye tembiricha yemukati ichasvika 300 ° C, Pasi pekushisa kwepamusoro kana chiyero chikuru chechaji uye kubuda kwemamiriro ekunze, tembiricha inosimuka, mhedzisiro inokonzeresa yekupisa uye kupisa kweparutivi, zvinokonzeresa kusimuka kwekupisa uye kupisa kweparutivi. kutungamira kune kupisa kusingadzoreki uye kupisa kwebhatiri kana kuputika [3]. Pamusoro pezvayo zvemakemikari mhinduro zvinhu, vamwe vanhu vane pfupi pfupi inokonzerwa nekupisa, overtake, uye mechanical kukanganisa, zvimwe zvinhu zvekugadzira zvinogonawo kutungamirira kuitika kwe lithium-ion bhatiri kukonzera njodzi dzekuchengetedza. Naizvozvo, zvakakosha kuti udzidze uye uvandudze tembiricha yekushanda kwe lithium-ion mabhatiri.

1 thermal out-of-control cause analysis of the thermal out of control of lithium-ion battery inokosha nokuti kupisa kwemukati kwebhatiri kunokwira. Parizvino, iyo inonyanya kushandiswa electrolyte system mukutengesa lithium-ion mabhatiri isanganiswa carbonate solution yeLiPF6. solvent yakadaro ine high volatility, low flash point, iri nyore kupisa.

Kana iyo yemukati pfupi yedunhu inokonzerwa nekudhumhana kana kuremara, chiyero chakakura chekuchaja uye kuburitsa uye kubata, pachava nekupisa kwakawanda, zvichikonzera kusimudza tembiricha yebhatiri. Kana yasvika kune imwe tembiricha, nhevedzano yekuora maitiro ichaita kuti kupisa kwebhatiri kuparadzwa. Kana kupisa kunoburitswa nemaitiro emakemikari aya hakugone kubviswa nekufamba kwenguva, kunowedzera kufambira mberi kwekuita, uye kukonzeresa kutevedzana kwekuzvipisa kweparutivi.

Iyo tembiricha yebhatiri inokwira zvakanyanya, ndiko kuti, "thermal out of control", inozotungamira mukutsva kwebhatiri, uye kunyangwe kuputika kunoitika zvakanyanya. Kazhinji, chinokonzera kupisa kunze kwekutonga kwe lithiamu-ion bhatiri yakakosha mukusagadzikana kwekupisa kwe electrolyte, pamwe nekusagadzikana kwekupisa kwe electrolyte uye kugarisana kwakanaka uye kusina kunaka kwe electrode. Parizvino, kubva pachikamu chikuru, kuchengetedzwa kwemabhatiri e-lithium-ion kwakakosha kubva kukutungamira kwekunze uye dhizaini yemukati kudzora tembiricha yemukati, voltage, uye kudzvanywa kwemhepo kuzadzisa zvinangwa zvekuchengetedza.

2 Gadzirisa thermal out-of control strategy 2. Zvekunze manejimendi 1) PTC (yakanaka tembiricha coefficient) chikamu: Isa chikamu chePTC mubhatiri re lithium ion, rinotarisa kudzvanywa uye tembiricha mukati mebhatiri, uye kana bhatiri rikadziya nekuwedzerwa, bhatiri riri 10 Kupokana kunowedzera kudzikamisa ikozvino, uye voltage pakati pemapango akanaka neasina kunaka inoderedzwa kuita yakachengeteka voltage kuona otomatiki kuchengetedza basa rebhatiri. 2) Chivharo chekuputika-chinoputika: Kana bhati yakakura zvikuru nekuda kwekusagadzikana, kuputika-kuvharidzirwa kwevhavha yakakanganiswa, iyo ichaiswa mukati mebheteri kuti ibatanidzwe, rega kubhadharisa.

3) Electronics: 2 ~ 4 bhatiri mapaketi anogona kupfekedza iyo yemagetsi dhizaini dhizaini lithium ion mudziviriri, kudzivirira kuwandisa uye kuburitsa zvakanyanya, kudzivirira njodzi dzekuchengetedza, kuwedzera hupenyu hwebhatiri. Ehe, idzi nzira dzekunze dzekutonga dzine chimwe mhedzisiro, asi izvi zvekuwedzera zvishandiso zvakawedzera kuomarara uye mutengo wekugadzira webhatiri, uye haugone kugadzirisa zvachose dambudziko rekuchengetedza bhatiri. Naizvozvo, zvinodikanwa kumisikidza intrinsic chengetedzo nzira.

2.2 Kuvandudza iyo electrolyte electrolyte electrolyte se lithium ion bhatiri, hunhu hwe electrolyte hunotaridza zvakananga mashandiro ebhatiri, kugona kwebhatiri, tembiricha yekushanda, kuita kutenderera uye kuita kwekuchengetedza kwakakosha. Parizvino, yekutengesa lithium-ion bhatiri electrolytic mhinduro masisitimu, inonyanya kushandiswa kuumbwa ndeye LIPF6, vinyl carbonate uye linear carbonate.

Kumberi chinhu chakakosha, uye kushandiswa kwavo kunewo zvimwe zvisingakwanisi maererano nekushanda kwebhatiri. Panguva imwecheteyo, huwandu hukuru hwekubikira, hushoma hunyoro hwe carbonate solvent hunoshandiswa mu electrolyte, iyo ichange iri pakudzika kwakadzika. Flash, kune njodzi huru yekuchengetedza.

Nokudaro, vatsvakurudzi vakawanda vanoedza kuvandudza electrolyte system kuvandudza kushanda kwekuchengetedza kwe electrolytes. Muchiitiko apo muviri mukuru webheteri (kusanganisira zvinhu zve electrode, diaphragm material, electrolyte material) hazvishanduki munguva pfupi, kugadzikana kwe electrolyte inzira inokosha yekusimudzira kuchengetedzwa kwemabhatiri e-lithium ion. 2.

2.1 Functional additive function additives ine shoma dosage, yakanangwa chimiro. Ndokunge, inogona kuvandudza zvakanyanya mamwe macroscopic kuita kwebhatiri pasina kushandura maitiro ekugadzira pasina kuchinja kana zvakanyanya pasina mutengo mutsva webhatiri.

Naizvozvo, mashandiro ekuwedzera ave nzvimbo inopisa mubhatiri yelithium-ion yanhasi, inova imwe yenzira dzinonyanya kuvimbisa iyo parizvino inovimbisa pathogenic mhinduro yelithium-ion bhatiri electrolyte. Iko kushandiswa kweiyo yekuwedzera ndeyekudzivirira kupisa kwebhatiri kuti risanyanya kukwirira uye bhatiri voltage inogumira kune yekudzora renji. Nokudaro, dhizaini yekuwedzera inofungidzirwawo kubva pakuona kwekushisa uye kukwanisa kutengesa.

Flame retardant additive: The flame retardant additive inogonawo kukamurwa kuita organic phosphorus flame retardant additives, nitrogen-ine compound flame retardant additive, silicon-based flame retardant additive, uye composite flame retardant additive. 5 zvikamu zvakakosha. Organic phosphorescell-flame retardant: Yakakosha inosanganisira mamwe alkyl phosphate, alkyl phosphite, fluorinated phosphate, uye phosphate nitrile compounds.

Iyo murazvo inodzoreredza mashandiro akakosha kune cheni yekuita kwemamorekuru anodzosa moto achikanganisa hydrogen mahara radicals, inozivikanwawo seyemahara radical capture mechanism. Additive gasification decomposition inoburitsa phosphorus-ine mahara radicals, kugona kwemahara radicals kumisa kuita kweketani. Phosphate flame retardant: Yakakosha phosphate, triethyl phosphate (TEP), tributyl phosphate (TBP), nezvimwewo.

Phosphate nitrile compound yakadai sehexamethyl phosphazene (HMPN), alkyl phosphite yakadai se trimethyl phosphite (TMPI), zvitatu - (2,2,2-trifluoroethyl), phosphite (TT- FP), fluorinated acid ester, yakadai setatu-(2,2,2-trifluoroethyl), methyl-trifluoroethyl) diethyl-2, methyl-fluoroethyl) 2, methyl-fluoroethyl) phosphate (BMP), (2,2,2-trifluoroethyl) - diethyl phosphate (TDP), phenylphosphate (DPOF), nezvimwewo. chinhu chakanaka chinodzoreredza murazvo wekuwedzera. Iyo fosifesi kazhinji ine viscosity yakakura, kusasimba kwemagetsi emagetsi, uye kuwedzera kweiyo inodzoreredza murazvo kunewo kukanganisa kweionic conductivity ye electrolyte uye kutenderera kutenderera kwe electrolyte uku ichiwedzera refractiveness ye electrolyte.

Kazhinji kazhinji: 1 kabhoni yemukati yemapoka matsva ealkyl; 2 inonhuhwirira (phenyl) boka moiety inotsiva alkyl boka; 3 gadzira cyclic chimiro phosphate. Organic halogenated material (halogenated solvent): organic halogenic flame retardant yakakosha pafuruwenza furuwenza. Mushure mekunge H yatsiviwa neF, zvimiro zvayo zvemuviri zvachinja, sekuderera kwekunyungudika, kuderera kweviscosity, kuvandudzwa kwemakemikari uye electrochemical kugadzikana, nezvimwe.

Iyo organic halogenic flame retardant yakakosha kusanganisira fluorocyclic carbonates, fluoro-chain carbonates uye alkyl-perfluorodecane ether, nezvimwe. OHMI nemamwe kuenzanisa fluororethyl ether, fluoride-ine fluoride makomisheni yakaratidza kuti kuwedzera kwe33.3% (vhoriyamu chikamu) 0.

67 mol / lliclo4 / Ec + DEC + PC (vhoriyamu reshiyo 1: 1: 1) electrolyte ine yakanyanya High flash point, iyo yekuderedza inogona yakakwira kupfuura iyo organic solvent EC, DEC uye PC, iyo inogona kukurumidza kugadzira SEI firimu pamusoro pechisikigo graphite, kuvandudza yekutanga kuchaja uye kuburitswa kweCullen kugona uye kuburitsa. Iyo fluoride pachayo haina kushandiswa kwemahara radical kubata basa remurazvo retardant rinotsanangurwa pamusoro apa, chete kudzikisa yakakwirira inoputika uye inopfuta co-solvents, saka chete huwandu hwevhoriyamu mu electrolyte inonyanya (70%) Kana iyo electrolyte isingabatike. Composite flame retardant: Iyo composite flame retardant parizvino inoshandiswa mu electrolyte ine PF komboni uye NP-kirasi komboni, zvinhu zvinomiririra zvine yakakosha hexamethylphosphoride (HMPA), fluorophosphate, nezvimwe.

Flame retardant inodzoreredza murazvo nekushandisa synergistic yezvinhu zviviri zvinodzosa moto. FEI nevamwe. Inopa mbiri mbiri dzeNP flame retardants MEEP neMEE, uye formula yayo yemamorekuru inoratidzwa muMufananidzo 1.

Licf3SO3 / MeEP :PC = 25:75, electrolyte inogona kuderedza kupisa kwe90%, uye conductivity inogona kusvika 2.5 × 10-3S / cm. 2) Overcharged additive: Kutevedzana kwemaitiro kunoitika kana lithium-ion bhatiri yakawandisa.

Electrolyte component (yakakosha ndiyo solvent) inveraffling the surface of oxidative decomposition reactions in the surface of the positive electrode, gasi rinogadzirwa uye kuwanda kwekupisa kunoburitswa, zvichikonzera kuwedzera kwemutsindo wemukati webhatiri nekukwira kwekushisa, uye kuchengetedzwa kwebhatiri kunokanganisa zvakanyanya. Kubva pachinangwa chemuchina, iyo overchaul yekudzivirira yekuwedzera yakakosha kune oxidative stripping simba-mhando uye maviri marudzi emagetsi polymerization mhando. Kubva pamhando yekuwedzera, inogona kukamurwa kuita lithium halide, metallocene compound.

Parizvino, yakawedzera yakawedzera yekuwedzera adaprase (BP) uye cyclohexylbenzene (CHB) pane redox anti-overchard additives ndiyo musimboti kana voltage yekuchaja ichipfuura yakajairika cutoff voltage, chinowedzerwa chinotanga payakanaka electrode. Iyo oxidation reaction, iyo oxidation chigadzirwa inopararira kune yakashata electrode, uye maitiro ekudzikisa anoitika. Oxidation yakavharwa pakati pezvakanaka uye zvisina kunaka matanda, tora yakawandisa kubhadharisa.

Zvinhu zvayo zvinomiririra zvine ferrocene uye yakabva, ferrid 2,2-pyridine uye yakaoma ye 1,10-yakatarisana neglenoline, thiol derivative. Polymerization block anti-filled additive. Zvinomiririra zvinhu zvinosanganisira cyclohexylbenzene, biphenyl uye zvimwe zvinhu.

Kana biphenyl ichishandiswa sechinhu chisati chachajiswa chinowedzera, kana voltage yasvika 4.5 kusvika 4.7V, iyo biphenyl yakawedzerwa inonzi electrochemically polymerized, ichiita firimu inofambisa pamusoro peiyo electrode yakanaka, ichiwedzera kupikisa kwemukati kwebhatiri, nekudaro ichimisa bhatiri rekudzivirira ikozvino.

2.2.2 Ion liquid ion liquid electrolyte inoumbwa neyin uye cation.

Sezvo interi ions kana cationic mavhoriyamu asina kusimba, yepakati haina kusimba, kugovera erekitironi hakuna kuenzana, uye oan-censoon inogona kusununguka kufamba pakamuri tembiricha, iri mvura. Inogona kugoverwa kuva imidazole, pyrazole, pyridine, quaternary ammonium munyu, nezvimwewo. Kuenzaniswa neyakajairwa organic solvent ye lithium ion mabhatiri, ionic zvinwiwa zvine 5 zvakanakira: 1 yakakwira thermal kugadzikana, 200 ° C haigone kuora; 2 vapor pressure inenge 0, usanetsekane nebhatiri; 3 ionic fluid haisi nyore kupisa Hapana kuora; 4 ine yakakwirira yemagetsi conductivity; 5 makemikari kana electrochemical kugadzikana kwakanaka.

AN kana mamwe akafanana anoumba PP13TFSI uye 1Mollipf6ec / Dec (1: 1) mune electrolyte, iyo inogona kuwana zvachose isina-mafuta mhedzisiro, uye kuwedzera 2 wt% liboB yekuwedzera mune ino sisitimu kuvandudza zvakanyanya interface kuenderana. Dambudziko chete rinoda kugadziriswa ndiro conductivity yeion mu electrolyte system. 2.

2.3 Kusarudza kugadzikana kwekupisa kwelithium munyu hexafluorophosphate (LiPF6) inoshandiswa zvakanyanya electrolyte lithium salt mune commodity lithium-ion bhatiri. Kunyangwe hunhu hwayo humwechete husina kunaka, kuita kwayo kwese ndiko kunonyanya kubatsira.

Zvisineyi, LiPF6 inewo zvayakaipira, semuenzaniso, LiPF6 ikemikari uye ine thermodynamically isina kugadzikana, uye mhinduro inoitika: LIPF (6S) → LIF (S) + PF (5G), iyo reaction inogadzirwa PF5 iri nyore kurwisa iyo organic solvent muatomu yeokisijeni Kusurukirwa kune maerekitironi, zvichikonzera kuvhurika loop polymerization uye yakanyanya tembiricha inogadzirisa ether. Tsvagiridzo yazvino pamusoro petembiricha yepamusoro ye electrolyte munyu yakanamirwa mune organic lithium munyu minda. Zvinhu zvinomiririra zvakakosha ne boron-based salts, imine-based lithium salts.

LIB (C2O4) 2 (liboB) ichangobva kugadzirwa electrolyte munyu mumakore achangopfuura. Iine zvinhu zvakawanda zvakanakisa, kupisa tembiricha 302 ° C, inogona kugadzira yakagadzikana SEI firimu mune isina kunaka electrode. Kuvandudza mashandiro egraphite muPC yakavakirwa electrolytic mhinduro, asi viscosity yayo yakakura, iyo impedance yeSEI firimu yakaumbwa [14].

Tembiricha yekuora yeLIN (SO2CF3) 2 (Litfsi) i360 ° C, uye iyo ion conductivity patembiricha yakajairika inodzikira zvishoma pane LiPF6. Iyo electrochemical kugadzikana kwakanaka, uye iyo oxidation inogona kuita 5.0V, inova yakanyanya organic lithium munyu, asi iyo Serious corrosion yeAl base set fluid.

2.2.4 Polymer Electrolyte Mabhatiri akawanda elithium ion anobatika anoshandisa zvinonyungudutsa carbonate zvinobvira, kana kuvuza kuchigona kukonzera moto.

Izvi zvinonyanya simba re lithium-ion bhatiri ye-high-capacity, high energy density. Panzvimbo pekushandisa zvisina kutendeseka polymer electrolytes pachinzvimbo chekupisa organic liquid electrolytes, inogona zvakanyanya kunatsiridza kuchengetedzwa kwemabhatiri e lithium-ion. Tsvagiridzo yepolymer electrolyte, kunyanya gel-mhando yepolymer electrolyte yakafambira mberi zvikuru.

Parizvino, yakave yakabudirira kushandiswa mune zvekutengesa lithium-ion mabhatiri. Zvinoenderana neiyo polymer body classification, iyo gel polymer electrolyte yakakosha nemapoka matatu anotevera: PAN-based polymer electrolyte, PMMA polymer electrolyte, PVDF-based polymer electrolyte. Nekudaro, iyo gel-mhando yepolymer electrolyte imhedzisiro yekukanganiswa kwepolymer electrolyte yakaoma uye mvura ye electrolyte compromise, uye gel-mhando yepolymer mabhatiri achine basa rakawanda rekuita.

2.3 Zvinhu zvakanaka zvinogona kuona kuti chinhu chakanaka che electrode hachina kugadzikana kana magetsi ehurumende yekuchaja ari pamusoro pe4V, uye zviri nyore kubudisa kupisa kwakanyungudutswa mukupisa kwakanyanya kunoparadza okisijeni, okisijeni uye organic solvents inoramba ichiita huwandu hwekupisa uye mamwe magasi, kuderedza kuchengetedzwa kwebhatiri [2, 17-19]. Nokudaro, maitiro e electrode yakanaka uye electrolyte inoonekwa sechikonzero chakakosha chekupisa.

Nezvezvakajairwa zvinhu, kunatsiridza iyo yakajairika nzira yekuchengetedza kwayo ndeyekugadzirisa coating. Pakuputira pamusoro peiyo yakanaka electrode zvinhu neMgO, A12O3, SiO2, TiO2, ZnO, SnO2, ZrO2, zvichingodaro, inogona kuderedza kuita kweDie +-rear positive uye electrolyte uku ichideredza chromatography yeiyo yakanaka electrode, ichivharira shanduko yechikamu cheiyo yakanaka electrode chinhu.

Kuvandudza kugadzikana kwayo kwemaitiro, kuderedza kusagadzikana kwekusagadzikana kwecation mu lattice, nokudaro kuderedza chipiri chekuita kwekutenderera. 2.4 Carbon zvinhu pari zvino zvinoshandisa nzvimbo yakaderera yepasi, chaji yepamusoro uye chikuva chekuburitsa, chikuva chidiki chekuchaja uye chekuburitsa, kugadzikana kwakanyanya kwekushisa, kutaridzika kwakanaka kwekupisa, kudziya kwakanyanya, kudziya kwakanyanya, kudziya kwakanyanya.

Zvakadai sepakati pepakati kabhoni microspheres (MCMB), kana Li9Ti5o12 yespinel chimiro, chiri nani pane kugadzikana kwechimiro chelaminated graphite [20]. Nzira yekuvandudza kushanda kwekabhoni zvinhu zvakakosha pakurapa kwepamusoro (pamusoro oxidation, pamusoro halogenation, carbon cladding, coating metal, metal oxide, polymer coating) kana kuunza simbi kana isiri-metallic doping. 2.

5 Iyo diaphragm inoshandiswa mukutengesa lithium-ion mabhatiri ichiri polyolefin zvinhu, uye kukosha kwayo kwakakosha kunopisa uye electrolytic fluid infiltration haina kunaka. Kuti vakunde zvikanganiso izvi, vatsvakurudzi vakaedza nzira dzakawanda, dzakadai sekutsvaga kugadzikana kwezvinhu zvinopisa, kana kuwedzera zvishoma zveAl2O3 kana SiO2 nanopowdia, iyo isina kungoita diaphragm yakafanana, asiwo ine kugadzikana kwekushisa kwezvinhu zvakanaka zve electrode. use.

MIAO et al, polyimide nano nonwoven yekugadzira yakagadzirwa ne electrostatic spinning nzira. DR uye TGA-kufanana hunhu zvinoreva kuratidza kuti haingogone kuchengetedza kugadzikana kwekupisa pa500 ° C, asiwo kuve nani electrolyte infiltration inoenderana neCELGARD diaphragm. WANG et al akagadzirira AL2O3-PVDF nanoscopic microporous membrane, iyo inoratidza zvakanaka electrochemical properties uye kugadzikana kwekushisa, kugutsa kushandiswa kwe lithium-ion bateri separators.

3 Pfupiso uye kutarisira mabhatiri e-lithium-ion yemotokari yemagetsi uye kuchengetedza simba, iyo yakakura zvikuru kudarika zviduku zvemagetsi emagetsi, uye nzvimbo yekushandiswa inonyanya kuoma. Muchidimbu, tinogona kuona kuti kuchengetedzeka kwayo kuri kure nekugadzirisa, uye kwave iko zvino tekinoroji bhodhoro. Basa rinotevera rinofanira kunge rakadzama kune thermal effect iyo bhatiri inogona kukonzera mushure mekushanda kusina kujairika, uye kuwana nzira inobatsira yekuvandudza kushanda kwekuchengetedza kwe lithium ion bhatiri.

Parizvino, kushandiswa kwefluorine-containing solvent uye flame retardant additives ndiyo nhungamiro yakakosha yekugadzira bhatiri-inonzi lithium-ion bhatiri. Maitiro ekuyeresa kuita kwe electrochemical uye yakakwirira tembiricha chengetedzo ichave yeramangwana yekutsvagisa yekutarisa. Semuyenzaniso, yakakwira-performance composite flame retardant integral integrated set P, N, F, uye CL inogadzirwa, uye organic solvent ine yakakwira yekubikira, high flash point inogadzirwa, uye electrolytic solution yehigh safety performance inogadzirwa.

Composite flame retardants, dual function additives inozoitawo mafambiro ebudiriro. Nezve lithium ion bhatiri electrode zvinhu, iyo yepamusoro kemikari zvimiro zvechinyorwa zvakasiyana, dhigirii rekunzwa kwe electrode zvinhu pachaji uye yekuburitsa mukana hazvienderane, uye hazvigoneke kushandisa imwe kana kuganhurwa akati wandei electrode / electrolyte / additives kune ese mabhatiri dhizaini dhizaini. Naizvozvo, mune ramangwana, isu tinofanirwa kutarisa pakugadzira akasiyana bhatiri masisitimu kune chaiwo electrode zvinhu.

Panguva imwecheteyo, iri kugadzirazve polymer lithium-ion bhatiri system ine kuchengetedzwa kwepamusoro kana kuvandudzwa kweinorganic solid electrolyte ine imwechete cation conductive uye inokurumidza ion yekufambisa uye yakakwirira thermostability. Uye zvakare, kuvandudza ionic fluid kuita, kugadzira yakapusa uye yakachipa synthetic masisitimu zvakare chikamu chakakosha chekutsvagisa ramangwana.