Tsoelo-pele ea lipatlisiso mabapi le tahlehelo ea mocheso ea ho tjhaja betri ea lithium

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Портативті электр станциясының жеткізушісі

Abstract: Kakaretso ea tsoelo-pele ea morao-rao le litebello tsa nts&39;etsopele bakeng sa lipatlisiso tse phahameng tsa betri ea lithium-ion. Bohlokoa ho tloha mocheso o phahameng oa botsitso ba li-electrolyte le li-electrode, lisosa tsa ho se tsitse ha mocheso oa libeteri tsa lithium ion le mekhoa ea bona li hlalositse hore tsamaiso ea betri ea lithium-ion e teng ea khoebo ha e lekane ka mocheso o phahameng, e fana ka maikutlo a ho hlahisa li-electrolyte tse phahameng tsa mocheso, liphetoho tse ntle le tse mpe le tsamaiso ea Kantle ea betri, joalo-joalo. ho theha libeteri tse phahameng tsa lithium-ion tse sireletsehileng.

Maikutlo mabapi le nts&39;etsopele ea tebello ea tekheniki ea nts&39;etsopele ea libeteri tsa lithium-ion tsa polokeho. 0 Selelekela Libetri tsa lithium ion li fetoha moemeli ea tloaelehileng oa mofuta o mocha oa matla ka lebaka la theko e tlaase, ts&39;ebetso e phahameng, matla a phahameng, le tikoloho e tala, e sebelisoang haholo lihlahisoa tsa digital tsa 3C, matla a mohala le lisebelisoa tsa motlakase. Lilemong tsa morao tjena, ka lebaka la ts&39;ilafalo ea tikoloho le tataiso ea leano la naha, &39;maraka oa likoloi tsa motlakase o thehiloeng koloing ea motlakase o ekelitse tlhokahalo ea libeteri tsa lithium-ion, ha ho ntse ho etsoa lisebelisoa tse phahameng tsa matla a matla a lithium-ion, litaba tsa ts&39;ireletso ea betri li hohetse tlhokomelo e kholo, Mathata a teng a hloka ho tsoela pele ho rarolloa.

Phetoho ea mocheso oa tsamaiso ea betri e khethoa ke ho hlaha ha mocheso le ho ajoa lintlha tse peli. Ketsahalo ea mocheso oa betri ea lithium ion e bohlokoa e bakoa ke karabelo pakeng tsa ho senyeha ha mocheso le lisebelisoa tsa betri. Fokotsa mocheso oa sistimi ea betri le ho ntlafatsa sistimi ea ts&39;ebetso e khahlanong le mocheso o phahameng, sistimi ea betri e bolokehile.

Le lisebelisoa tse nyane tse nkehang tse joalo ka mehala ea thekeng, matla a betri ea laptop hangata a ka tlase ho 2AH, &39;me matla a mofuta oa lithium-ion betri a sebelisoa ka likoloi tsa motlakase hangata a feta 10ah,&39; me mocheso oa lehae hangata o phahame ho feta 55 ° C nakong ea ts&39;ebetso e tloaelehileng, &39;me mocheso o ka hare o tla fihla ho 300 ° C, tlas&39;a mocheso o phahameng kapa tekanyo e kholo ea tefiso le maemo a ho ntša mocheso, ho tla etsa hore mocheso o be le letoto la mocheso. e lebisang ho tsoa taolong ea mocheso le ho tuka kapa ho phatloha ha betri [3]. Ntle le mabaka a eona a karabelo ea lik&39;hemik&39;hale, batho ba bang ba na le potoloho e khuts&39;oane e bakoang ke ho chesa haholo, ho fetella, le tšusumetso ea mochini, lintlha tse ling tsa maiketsetso le tsona li ka lebisa ho hlaheng ha betri ea lithium-ion ho baka likotsi tsa polokeho. Ka hona, ho bohlokoa ho ithuta le ho ntlafatsa ts&39;ebetso ea mocheso o phahameng oa libeteri tsa lithium-ion.

1 mocheso o sa laoleheng o bakang tlhahlobo ea mocheso o sa laoleheng oa betri ea lithium-ion ke ea bohlokoa hobane mocheso o ka hare oa betri oa phahama. Hona joale, mokhoa o sebelisoang ka ho fetisisa oa electrolyte ka libeteri tsa lithium-ion tsa khoebo ke tharollo e tsoakiloeng ea carbonate ea LiPF6. Sehlahisoa se joalo se na le ho feto-fetoha ha maemo a phahameng, sebaka se tlase sa flash, se bonolo haholo ho chesa.

Ha potoloho e khuts&39;oane e ka hare e bakoang ke ho thulana kapa ho holofala, tefiso e kholo ea sekhahla le ho tsoa le ho feta, ho tla ba le mocheso o mongata, o hlahisang mocheso oa betri. Ha ho fihla mocheso o itseng, letoto la liketso tsa ho bola li tla etsa hore tekanyo ea mocheso oa betri e senyehe. Ha mocheso o hlahisoang ke lik&39;hemik&39;hale tsena tsa lik&39;hemik&39;hale o ke ke oa tlosoa ka nako, o tla mpefatsa tsoelo-pele ea karabelo, &39;me o qale letoto la liketso tsa mahlakoreng a ho futhumatsa.

Mocheso oa betri o phahama haholo, ke hore, "thermal out of control", qetellong e lebisa ho chesoeng ha betri, esita le ho phatloha ho etsahala ka botebo. Ka kakaretso, sesosa sa mocheso ho tsoa taolong ea betri ea lithium-ion ke ea bohlokoa ka ho se tsitse ha mocheso oa electrolyte, hammoho le ho se tsitse ha mocheso oa electrolyte le ho phela hammoho ho nepahetseng le ho fosahetseng. Hona joale, ho tloha karolong e kholo, polokeho ea libeteri tsa lithium-ion ke ea bohlokoa ho tloha tsamaisong ea ka ntle le moralo oa ka hare ho laola mocheso oa ka hare, motlakase le khatello ea moea ho finyella merero ea tšireletso.

2 Ho rarolla leano la ho tsoa taolong ea mocheso 2. Tsamaiso ea kantle 1) Karolo ea PTC (mocheso o motle oa mocheso): Kenya karolo ea PTC ka betri ea lithium ion, e nahanang ka khatello le mocheso ka har&39;a betri, &39;me ha betri e futhumatsoa ke ho feta tekano, betri ke 10 Ho hanyetsa ho eketseha ho fokotsa hona joale,&39; me motlakase o pakeng tsa lipalo tse ntle le tse mpe o fokotsehile ho ba motlakase o sireletsehileng ho hlokomela ts&39;ebetso ea ts&39;ireletso ea betri. 2) Sephahla se thibelang ho phatloha: Ha betri e le khōlō haholo ka lebaka la ntho e sa tloaelehang, valve e thibelang ho phatloha e holofetse, e tla kenngoa ka hare ho betri hore e kopane, e khaotse ho tjhaja.

3) Lisebelisoa tsa elektronike: Lipakete tsa 2 ~ 4 tsa betri li ka khabisa moralo oa potoloho ea elektronike lithium ion mosireletsi, ho thibela ho tefisoa le ho tsoa ho feta tekano, ho thibela likotsi tsa polokeho, ho lelefatsa bophelo ba betri. Ha e le hantle, mekhoa ena ea ho laola ka ntle e na le phello e itseng, empa lisebelisoa tsena tse eketsehileng li ekelitse ho rarahana le litšenyehelo tsa tlhahiso ea betri, &39;me li ke ke tsa rarolla ka ho feletseng bothata ba ts&39;ireletso ea betri. Ka hona, hoa hlokahala ho theha mokhoa oa ts&39;ireletso oa kahare oa ts&39;ireletso.

2.2 Ho ntlafatsa electrolyte electrolyte electrolyte joalo ka betri ea lithium ion, mofuta oa electrolyte o khetholla ka kotloloho ts&39;ebetso ea betri, matla a betri, sebaka sa mocheso oa ts&39;ebetso, ts&39;ebetso ea potoloho le ts&39;ebetso ea polokeho li bohlokoa. Hona joale, mekhoa ea tharollo ea lithium-ion battery electrolytic solution, e sebelisoang ka ho fetisisa ke LIPF6, vinyl carbonate le linear carbonate.

Bokapele ke motsoako oa bohlokoa, &39;me tšebeliso ea bona e boetse e na le mefokolo mabapi le ts&39;ebetso ea betri. Ka nako e ts&39;oanang, palo e kholo ea ho belisa e tlaase, e tlaase ea flash ea carbonate solvent e sebelisoa ka electrolyte, e tla ba mocheso o tlaase. Flash, ho na le kotsi e kholo ea polokeho.

Ka hona, bafuputsi ba bangata ba leka ho ntlafatsa tsamaiso ea electrolyte ho ntlafatsa ts&39;ebetso ea ts&39;ireletso ea electrolyte. Tabeng eo lisebelisoa tse ka sehloohong tsa betri (ho kenyeletsoa lisebelisoa tsa elektrode, lisebelisoa tsa diaphragm, lisebelisoa tsa electrolyte) li sa fetohe ka nako e khutšoanyane, botsitso ba electrolyte ke tsela ea bohlokoa ea ho matlafatsa tšireletso ea lithium ion libeteri. 2.

2.1 Li-additives tse sebetsang tse sebetsang li na le litekanyetso tse fokolang, tse lebisitsoeng. Ke hore, e ka ntlafatsa haholo ts&39;ebetso e itseng ea macroscopic ea betri ntle le ho fetola ts&39;ebetso ea tlhahiso ntle le ho fetola kapa ho se na litšenyehelo tse ncha tsa betri.

Ka hona, li-additives tsa ts&39;ebetso li fetohile sebaka se chesang ka har&39;a betri ea kajeno ea lithium-ion, e leng e &39;ngoe ea litsela tse tšepisang tseo hona joale e leng tharollo e tšepisang ka ho fetisisa ea pathogenic ea lithium-ion battery electrolyte. Tšebeliso ea mantlha ea tlatsetso ke ho thibela mocheso oa betri hore o se ke oa phahama haholo mme matla a betri a lekanyelitsoe sebakeng sa taolo. Ka hona, moralo oa tlatsetso o boetse o nkuoa ho latela pono ea mocheso le bokhoni ba ho tjhaja.

Keketso e thibelang lelakabe: Keketso e thibelang lelakabe le eona e ka aroloa ka organic phosphorus flame retardant additives, e nang le naetrojene e nang le lelakabe le retang lelakabe, keketso ea silicon-based e thibelang lelakabe, le motsoako o kopanyang o thibelang lelakabe. 5 lihlopha tsa bohlokoa. Organic phosphorescell-flame retardant: Ea bohlokoa e kenyelletsa alkyl phosphate, alkyl phosphite, fluorinated phosphate, le phosphate nitrile compounds.

Mochine o thibelang lelakabe ke oa bohlokoa ho karabelo ea ketane ea limolek&39;hule tse thibelang lelakabe ho kena-kenana le li-radicals tsa mahala tsa hydrogen, tse tsejoang hape e le mochini oa ho ts&39;oara mahala. Ho senyeha ha gasification ho eketsa phosphorus e nang le li-radicals tsa mahala, bokhoni ba li-radicals tsa mahala ho felisa karabelo ea ketane. Phosphate flame retardant: phosphate bohlokwa, triethyl phosphate (TEP), tributyl phosphate (TBP), jj.

Phosphate nitrile motsoako o kang hexamethyl phosphazene (HMPN), alkyl phosphite joalo ka trimethyl phosphite (TMPI), tse tharo - (2,2,2-trifluoroethyl), phosphite (TT- FP), fluorinated acid ester, tse kang tse tharo-(2,2,2-trifluoroethyl), methyl-trifluoroethyl) diethyl-2, methyl-fluoroethyl) 2, methyl-fluoroethyl) phosphate (BMP) , (2,2,2-trifluoroethyl) - diethyl phosphate (TDP), phenylphosphate (DPOF), joalo-joalo. ke motsoako o motle o thibelang mollo. Phosphate hangata e na le viscosity e batlang e le kholo, botsitso bo fokolang ba electrochemical, &39;me ho eketsoa ha lelakabe la lelakabe ho boetse ho na le phello e mpe ho conductivity ea ionic ea electrolyte le phetoho ea potoloho ea electrolyte ha e ntse e eketsa refractiveness ea electrolyte.

Ka kakaretso ke: 1 carbon content ea lihlopha tse ncha tsa alkyl; Sehlopha sa 2 se nkhang hamonate (phenyl) sehlopha sa alkyl se nkeloang sebaka; 3 theha cyclic sebopeho phosphate. Organic halogenated material (halogenated solvent): organic halogenic flame retardant e bohlokoa ho feberu ea feberu. Ka mor&39;a hore H e nkeloe sebaka ke F, thepa ea eona ea &39;mele e fetohile, e kang ho fokotseha ha ntlha ea ho qhibiliha, ho fokotseha ha viscosity, ntlafatso ea botsitso ba lik&39;hemik&39;hale le electrochemical, joalo-joalo.

The organic halogenic flame retardant ke ea bohlokoa ho kenyelletsa fluorocyclic carbonates, fluoro-chain carbonates le alkyl-perfluorodecane ether, joalo-joalo. OHMI le tse ling tse bapisang fluororethyl ether, fluoride-e nang le fluoride metsoako e bontšitse hore tlatsetso ea 33.3% (volume fraction) 0.

67 mol / lliclo4 / Ec + DEC + PC (karolelano ea bophahamo ba 1: 1: 1) electrolyte e na le sebaka se phahameng sa khanya, monyetla oa ho fokotsa o phahame ho feta organic solvent EC, DEC le PC, e ka potlakisang ho theha filimi ea SEI holim&39;a graphite ea tlhaho, ho ntlafatsa tefiso ea pele le ho lokolloa ha bokhoni ba Cullen le ho ntša matla. Fluoride ka boeona ha e na ts&39;ebeliso ea ts&39;ebetso ea mahala ea ho ts&39;oaroa ha lelakabe le lelakabe le hlalositsoeng ka holimo, feela ho hlapolla li-co-solvents tse phahameng tse tukang le tse tukang, kahoo ke karolelano ea molumo ka electrolyte haholo (70%) Ha electrolyte e sa chese. Composite flame retardant: The composite flame retardant e sebelisoang hona joale electrolyte e na le motsoako oa PF le motsoako oa NP-class, lintho tse emetseng li na le hexamethylphosphoride ea bohlokoa (HMPA), fluorophosphate, joalo-joalo.

Flame retardant e na le phello e thibelang lelakabe ka tšebeliso e kopanetsoeng ea likarolo tse peli tse thibelang lelakabe. FEI le ba bang. E fana ka li-retardants tse peli tsa NP flame MEEP le MEE, &39;me foromo ea eona ea molek&39;hule e bonts&39;itsoe ho Setšoantšo sa 1.

Licf3SO3 / MeEP :PC = 25:75, electrolyte e ka fokotsa ho chesa ha 90%, &39;me conductivity e ka fihla ho 2.5 × 10-3S / cm. 2) Keketso e fetelletseng: Letoto la liketso li etsahala ha betri ea lithium-ion e lefisoa ho feta tekano.

The electrolyte component (ea bohlokoa ke solvent) inveraffling holim&39;a lik&39;hemik&39;hale tsa ho bola ha oxidative ka holim&39;a electrode e ntle, khase e hlahisoa &39;me mocheso o lokolloa, ho fella ka ho eketseha ha khatello ea ka hare ea betri le ho phahama ha mocheso,&39; me polokeho ea betri e ameha haholo. Ho tloha mochining oa sepheo, kenyelletso ea ts&39;ireletso ea overchaul e bohlokoa ho mofuta oa matla a oxidative le mefuta e &39;meli ea mofuta oa polymerization ea motlakase. Ho tsoa ho mofuta oa tlatsetso, e ka aroloa ka lithium halide, motsoako oa metallocene.

Hajoale, adaptarase (BP) le cyclohexylbenzene (CHB) ho li-additives tsa redox tse khahlanong le overchard ke molao-motheo ha motlakase oa ho tjhaja o feta voltage e tloaelehileng ea cutoff, kenyelletso e qala ho electrode e ntle. Karabelo ea oxidation, sehlahisoa sa oxidation se fapana ho electrode e mpe, &39;me karabelo ea phokotso e etsahala. Oxidation e koetsoe pakeng tsa lipalo tse ntle le tse mpe, ho monya tefiso e feteletseng.

Lintho tsa eona tse emetseng li na le ferrocene le derivative ea eona, ferrid 2,2-pyridine le complex of 1,10-adjacent glenoline, thiol derivative. Polymerization block anti-filled additive. Lintho tse emetseng li kenyelletsa cyclohexylbenzene, biphenyl le lintho tse ling.

Ha biphenyl e sebelisoa e le tlatsetso ea pele ho tjhaja, ha motlakase o fihla ho 4.5 ho 4.7V, biphenyl e ekelitsoeng e entsoe ka electrochemically polymerized, e etsa lera la filimi e tsamaisang holim&39;a electrode e ntle, e eketsa ho hanyetsa ka hare ho betri, kahoo e fokotsa betri ea ts&39;ireletso ea hona joale.

2.2.2 Electrolyte ea mokelikeli oa ion ea ion e entsoe ka yin le cation ka botlalo.

Kaha li-ion tsa interi kapa cationic volumes li fokola, tse bohareng lia fokola, kabo ea elektronike ha e lekane, &39;me oan-censoon e ka lokoloha ho tsamaea mocheso oa kamore, e leng mokelikeli. E ka aroloa ka imidazole, pyrazole, pyridine, letsoai la quaternary ammonium, joalo-joalo. Ha ho bapisoa le li-solvents tse tloaelehileng tsa libeteri tsa lithium ion, metsi a ionic a na le melemo ea 5: 1 e phahameng ea mocheso, 200 ° C e ke ke ea bola; Khatello ea mouoane ea 2 e batla e le 0, ha ua lokela ho tšoenyeha ka betri; 3 mokelikeli oa ionic ha o bonolo ho chesa Ha ho corrosiveness; 4 e na le conductivity e phahameng ea motlakase; 5 botsitso ba lik&39;hemik&39;hale kapa electrochemical bo botle.

AN kapa tse ling tse joalo li etsa PP13TFSI le 1Mollipf6ec / Dec (1: 1) ho electrolyte, e ka finyellang liphello tse se nang mafura ka ho feletseng, &39;me ea eketsa 2 wt% liboB additive tsamaisong ena ho ntlafatsa haholo ho sebelisana ha interface. Bothata bo le bong feela bo hlokang ho rarolloa ke conductivity ea ion tsamaisong ea electrolyte. 2.

2.3 Ho khetha ho tsitsa ha mocheso oa lithium salt hexafluorophosphate (LiPF6) ke letsoai le sebelisoang haholo la electrolyte lithium ka har&39;a betri ea lithium-ion ea thepa. Le hoja tlhaho ea eona e le &39;ngoe e sa nepahale, tshebetso ea eona ka kakaretso ke eona e molemo ka ho fetisisa.

Leha ho le joalo, LiPF6 e boetse e na le bothata ba eona, mohlala, LiPF6 e na le lik&39;hemik&39;hale le thermodynamically e sa tsitsang, &39;me karabelo e etsahala: LIPF (6S) → LIF (S) + PF (5G), karabelo e hlahisoang ke PF5 e bonolo ho hlasela motsoako oa motsoako ka athomo ea oksijene Ho Lonely ho li-electrone, ho fella ka ho buloa ha lupu polymerization ea mocheso o tebileng haholo, haholo-holo ether. Lipatlisiso tsa morao-rao mabapi le mocheso o phahameng oa letsoai la electrolyte li tsepamisitsoe masimong a letsoai a lithium. Lintho tse emetseng li bohlokoa ka letsoai la boron-based, letsoai la lithium le thehiloeng ho imine.

LIB (C2O4) 2 (liboB) ke letsoai le sa tsoa etsoa la electrolyte lilemong tsa morao tjena. E na le lintho tse ngata tse babatsehang, mocheso o senyang 302 ° C, o ka etsa filimi e tsitsitseng ea SEI ka eleketrode e mpe. Ntlafatsa ts&39;ebetso ea graphite ka tharollo ea electrolytic ea PC, empa viscosity ea eona e kholo, ho sitisoa ha filimi ea SEI ho thehiloe [14].

Mocheso oa ho bola oa LIN (SO2CF3) 2 (Litfsi) ke 360 ​​° C, &39;me conductivity ea ion ka mocheso o tloaelehileng e ka tlaase ho feta LiPF6. The electrochemical stability e ntle, &39;me bokhoni ba oxidation ke hoo e ka bang 5.0V, e leng letsoai la lithium ka ho fetisisa, empa ke Serious corrosion ea Al base set fluid.

2.2.4 Polymer Electrolyte Libetri tse ngata tsa lithium ion tsa thepa li sebelisa metsoako ea carbonate e tukang le e feto-fetohang, haeba ho lutla ho ka baka mollo.

Sena ke haholo-holo betri e matla ea lithium-ion ea matla a phahameng, matla a phahameng a matla. Sebakeng sa ho sebelisa li-electrolyte tsa polymer tse sa tšepahaleng ho fapana le li-electrolyte tsa mokelikeli tse tukang, li ka ntlafatsa haholo polokeho ea libeteri tsa lithium-ion. Patlisiso ea polymer electrolyte, haholo-holo mofuta oa gel-polymer electrolyte e hatetse pele haholo.

Hona joale, e sebelisitsoe ka katleho libeteri tsa lithium-ion tsa khoebo. Ho latela sehlopha sa &39;mele oa polymer, electrolyte ea gel polymer e bohlokoa ka mekhahlelo e meraro e latelang: PAN-based polymer electrolyte, PMMA polymer electrolyte, PVDF-based polymer electrolyte. Leha ho le joalo, electrolyte ea polymer ea mofuta oa gel e hlile e bakoa ke ho sekisetsa ha electrolyte ea polymer e omeletseng le compromise ea electrolyte ea mokelikeli, &39;me libeteri tsa polymer tsa mofuta oa gel li ntse li e-na le mosebetsi o mongata oo li lokelang ho o etsa.

2.3 Thepa e ntle e ka etsa qeto ea hore lisebelisoa tse ntle tsa electrode ha li tsitsa ha mocheso oa boemo ba ho tjhaja o ka holimo ho 4V, &39;me ho bonolo ho hlahisa mocheso o qhibilihisitsoeng ka mocheso o phahameng ho senya oksijene, oksijene le li-solvents tsa organic li tsoela pele ho itšoara ka bongata ba mocheso le likhase tse ling, ho fokotsa polokeho ea betri [2, 17-19]. Ka hona, karabelo ea electrode e ntle le electrolyte e nkoa e le sesosa sa bohlokoa sa mocheso.

Mabapi le thepa e tloaelehileng, ntlafatsa mokhoa o tloaelehileng oa tšireletso ea eona ke phetoho ea ho roala. Bakeng sa ho roala holim&39;a thepa e ntle ea elektrode e nang le MgO, A12O3, SiO2, TiO2, ZnO, SnO2, ZrO2, joalo-joalo, e ka fokotsa karabelo ea Die +-rear positive le electrolyte ha e ntse e fokotsa chromatography ea electrode e ntle, e thibela phetoho ea mohato oa ntho e ntle ea electrode.

Ntlafatsa botsitso ba eona ba sebopeho, fokotsa ho hanyetsa bothata ba cation ka lattice, ka hona ho fokotsa karabelo ea bobeli ea mokhoa oa ho potoloha. 2.4 Lisebelisoa tsa khabone hajoale li sebelisa sebaka se tlase se ikhethileng, sethala se phahameng sa tefiso le sethala sa ho lahla, sethala se senyenyane sa tefiso le ho lahla, boemo bo batlang bo le holimo ba mocheso, boemo bo botle ba mocheso, mocheso o batlang o le holimo, thermostability e batlang e le holimo, mocheso o batlang o le holimo.

Tse kang intermediate phase carbon microspheres (MCMB), kapa Li9Ti5o12 ea spinel structure, e leng molemo ho feta ho tsitsa ha sebopeho sa laminated graphite [20]. Mokhoa oa hona joale oa ho ntlafatsa ts&39;ebetso ea lisebelisoa tsa carbon ke oa bohlokoa bakeng sa phekolo ea holim&39;a metsi (oxidation ea holim&39;a metsi, halogenation ea holim&39;a metsi, carbon cladding, coating metal, metal oxide, polymer coating) kapa ho kenya doping ea tšepe kapa e seng metallic. 2.

5 Diaphragm e sebelisoang hona joale libeteri tsa lithium-ion tsa khoebo e ntse e le thepa ea polyolefin, &39;me mefokolo ea eona ea bohlokoa e chesa&39; me ho kenngoa ha metsi a electrolytic ho fosahetse. E le ho hlōla mefokolo ena, bafuputsi ba lekile litsela tse ngata, tse kang ho batla lisebelisoa tsa botsitso ba mocheso, kapa ho eketsa chelete e nyenyane ea Al2O3 kapa SiO2 nanopowdia, e seng feela e nang le diaphragm e tloaelehileng, empa hape e na le botsitso ba mocheso oa lisebelisoa tse ntle tsa electrode. tshebediso.

MIAO et al, polyimide nano nonwoven fabrication e lokisitsoeng ke electrostatic spinning mokhoa. Tlhaloso e kang ea DR le TGA e bolela hore e ke ke ea boloka botsitso ba mocheso ho 500 ° C feela, empa hape e na le ho kenella ho molemo ha electrolyte ho amanang le diaphragm ea CELGARD. WANG et al e lokiselitseng AL2O3-PVDF nanoscopic microporous membrane, e bonts&39;ang thepa e ntle ea electrochemical le botsitso ba mocheso, e khotsofatsang tšebeliso ea li-separators tsa lithium-ion betri.

3 Kakaretso le ho lebella libeteri tsa lithium-ion bakeng sa likoloi tsa motlakase le polokelo ea matla, e kholo haholo ho feta lisebelisoa tse nyenyane tsa elektronike, &39;me tikoloho ea tšebeliso e thata haholoanyane. Ka bokhutšoanyane, re ka bona hore ts&39;ireletso ea eona e hole le ho rarolloa, &39;me e se e le bothata ba hajoale ba tekheniki. Mosebetsi o latelang o lokela ho ba ka botebo ho phello ea mocheso eo betri e ka e hlahisang ka mor&39;a ts&39;ebetso e sa tloaelehang, &39;me u fumane mokhoa o atlehang oa ho ntlafatsa ts&39;ebetso ea ts&39;ireletso ea lithium ion battery.

Hona joale, tšebeliso ea li-solvents tse nang le fluorine le li-additives tse thibelang lelakabe ke tataiso ea bohlokoa bakeng sa ho hlahisa betri ea lithium-ion ea mofuta oa polokeho. Mokhoa oa ho leka-lekanya ts&39;ebetso ea electrochemical le polokeho ea mocheso o phahameng e tla ba sepheo sa lipatlisiso nakong e tlang. Ka mohlala, motsoako o phahameng oa ts&39;ebetso ea mollo o thibelang mollo o kopantsoeng oa P, N, F, le CL o hlahisoa, &39;me motsoako oa motsoako o nang le sebaka se belang se phahameng, ho hlahisoa sebaka se phahameng sa flash,&39; me tharollo ea electrolytic ea ts&39;ebetso e phahameng ea ts&39;ireletso e hlahisoa.

Li-composite flame retardants, li-additives tse peli tse sebetsang le tsona li tla fetoha mekhoa ea tsoelo-pele ea nakong e tlang. Mabapi le lisebelisoa tsa li-electrode tsa lithium ion, likarolo tsa lik&39;hemik&39;hale tse kaholimo tsa thepa li fapane, tekanyo ea kutlo ea lisebelisoa tsa elektrode ka tefiso le bokhoni ba ho lahla ha bo lumellane, &39;me ha ho khonehe ho sebelisa e le&39; ngoe kapa e lekanyelitsoeng ea li-electrode / electrolyte / li-additives ho moralo oohle oa betri. Ka hona, nakong e tlang, re lokela ho tsepamisa maikutlo ho nts&39;etsopele litsamaiso tse fapaneng tsa betri bakeng sa lisebelisoa tse khethehileng tsa elektrode.

Ka nako e ts&39;oanang, e boetse e nts&39;etsapele sisteme ea betri ea lithium-ion ea polymer e nang le ts&39;ireletso e phahameng kapa nts&39;etsopele ea inorganic solid e electrolyte e nang le lipalangoang tse nang le cation e le &39;ngoe le li-ion tse potlakileng le thermostability e phahameng. Ntle le moo, ho ntlafatsa ts&39;ebetso ea mokelikeli oa ionic, ho nts&39;etsapele lits&39;ebetso tse bonolo le tse theko e tlase tsa maiketsetso le tsona ke karolo ea bohlokoa ea lipatlisiso tsa nako e tlang.