Kodi Lithium Plating ndi chiyani?

Lithium plating ndi kuyika kwachitsulo cha lithiamu pa anode pamwamba pa lithiamu-mabatire a ion pamene akutchaja m'malo molumikizana bwino ndi ma graphite. Izi zimachitika pamene mphamvu ya electrochemical ya anode imatsikira kapena pansi pa zitsulo za lithiamu, zomwe zimapangitsa kuti ayoni a lithiamu apange chitsulo chosanjikiza m'malo moyika pakati pa zigawo za graphite zomwe zili.

Momwe Lithium Plating Imachitikira Panthawi Yogwiritsa Ntchito Batri

Panthawi yochapira bwino, ma ion a lithiamu amayenda kuchokera ku cathode kupita ku anode ndi kulowerana-kumadziyika pakati pa zigawo za atomiki za graphite. Taganizirani zimenezi ngati anthu okwera ndege n’kumadzaza mipando mwadongosolo. Ma graphite anode, omwe amagwiritsidwa ntchito m'mabatire a lithiamu-kuphatikiza48v ebike lithiamu batiremachitidwe, ali ndi mawonekedwe osanjikiza omwe amatha kutengera ma ion awa mkati mwa masitayilo ake.

Lithium plating imachitika pamene njira yolumikizirana iyi yalephera. M'malo molowa mu dongosolo la graphite, ma ion a lithiamu amadziunjikira kunja kwa anode ndikuchepetsa kukhala zitsulo za lithiamu. Kuthekera kwa anode kumakhala kofanana kapena kutsika kuposa kuthekera kwa zitsulo za lifiyamu-makamaka mozungulira 0V motsutsana ndi lithiamu chitsulo-kuyambitsa kuyika kosafunika kumeneku.

Grafiti yomwe imagwiritsidwa ntchito m'mabatire ambiri a lifiyamu-amakhala ndi mphamvu ya electrochemical pafupi kwambiri ndi lifiyamu yachitsulo ikadzaza ndi ma ion ma lithiamu. Kuyandikira uku kumapangitsa kukhala pachiwopsezo. Pamene intercalation sangathe kuyenderana ndi ukubwera ion flux, ma ion alibe chochitira koma kuyika ngati zitsulo pamwamba.

Ofufuza a ku yunivesite ya Purdue amafotokoza kuti ma ion a lithiamu amawunjikana pamwamba pa anode ndikupanga ma depositi achitsulo omwe amalepheretsa ma ion enanso. Izi zikapanda zitsulo zotchinga, zimalepheretsa ntchito yoyenera ya batri ndikutsekereza njira za lithiamu ma ion omwe amafunikira kudutsa pakuthawira komanso kutulutsa.

Zinthu Zoyambira Zomwe Zimayambitsa Lithium Plating

Zochitika zazikulu zitatu zimapanga mikhalidwe ya lithiamu plating, iliyonse yokhudzana ndi mlingo womwe ma ion a lithiamu amatha kulowa mu anode ya graphite.

Kulipiritsa Mwachangu Pamitengo Yamakono Yapamwamba

Kuthamangitsa mwachangu kumakankhira ma ayoni a lithiamu ku anode pamlingo wachangu kuposa momwe angalumikizirana. Kafukufuku akuwonetsa kuti pamitengo yolipiritsa ya 2C ndi pamwambapa, plating ya lithiamu imachulukirachulukira. Njira yolumikiziranayi imakhala ndi liwiro lalikulu-ngati mutayiposa poyika ma lifiyamu ma ion pa mzere pamwamba kudikirira kulowa. Zosunga zobwezeretsera izi zimapangitsa kuti malo a anode afikire 100% momwe amalipiritsa kwanuko ngakhale selo lonse silinadzaze, kugwetsa kuthekera pansi pamlingo wofunikira.

Kafukufuku wochokera ku 2024 adapeza kuti ma cell omwe adayimbidwa pa 4C adawonongeka kwambiri, ndikutsitsa kwakanthawi kumakulitsa nkhaniyi. Paziwopsezo zowopsa izi, kuchuluka kwa ayoni kumapangitsa kuti ma graphite azitha kuwavomereza, mofanana ndi kuyesa kuthamangitsa anthu ambiri pakhomo lopapatiza.

Kuwotcha Kutsika Kwambiri

Kuzizira kumachepetsa kulimba-kufalikira kwa ma ion a lithiamu mkati mwa tinthu tating'ono ta graphite kwambiri. Pa kutentha pansi pa 10 digiri, makamaka pansi pa 0 digiri, kinetics of intercalation amakhala ulesi chifukwa cha kuchepa ionic kuyenda. Ngakhale mafunde okwera pang'ono amatha kuyambitsa plating pakazizira kokwanira.

Eni magalimoto amagetsi kumadera ozizira amawona izi. Makina oyang'anira mabatire amachepetsa kuthamanga kwa kuthamanga m'nyengo yachisanu kuti apewe plating. Kutentha koyenera kwachaji kumakhala pakati pa 10 digirii digirii 30 pamabatire ambiri a lithiamu-ayoni. Pansi pa 5 digiri, chiopsezo chimakula kwambiri.

Kafukufuku wa 2018 adawonetsa kuti plating ya lithiamu inachitika panthawi ya 3.5C yolipiritsa pa digiri ya 0, yodziwika ndi mawonekedwe amtundu wamagetsi panthawi yopumula mutatha kulipiritsa. Mosiyana ndi zimenezi, maselo omwewo sanasonyeze plating pa kutentha firiji.

Anode Overcharging

Ngati lithiamu yochulukirapo ikakakamizika kulowa mu anode kuposa momwe mphamvu yake imavomerezera, plating imachitika mosapeŵeka. Opanga mabatire nthawi zambiri amachulukitsa anode wachibale ndi cathode makamaka kuti apewe izi. Akapangidwa bwino, anode sayenera kufika 100% mphamvu panthawi yogwira ntchito bwino. Komabe, zolakwika zopanga, kusalinganika kwa ma cell mu mapaketi a batri, kapena magwiridwe antchito kwambiri amatha kupitilira chitetezo ichi.

Sayansi Kumbuyo kwa Plating: Zomwe Zingatheke Kwambiri ndi Zochepa Zoyendera

Kafotokozedwe kaukadaulo amayang'ana pazowonjezera-kusiyana kwamagetsi komwe kumayendetsa ma electrochemical reaction kuposa momwe amakhalira. Pochangitsa, zinthu zambiri zokana kukana zimapanga mphamvu zambiri: zoyendera ma ion lifiyamu kudzera mu electrolyte, kuyenda kudzera muzitsulo zolimba-electrolyte interphase (SEI) zomwe zimakutira anode, ndipo pamapeto pake zimafalikira mu kapangidwe ka graphite.

Pamene kuchuluka kwa overpotentials izi kuposa yaing'ono voteji kusiyana pakati lithiated graphite (~ 0.1V vs. Li/Li⁺) ndi zitsulo lifiyamu (0V), ndi anode angathe mitanda kudera negative motsutsana lithiamu zitsulo. Panthawi imeneyi, zokonda za thermodynamic zimasintha. Kuchepetsa ma ion a lithiamu kukhala zitsulo za lithiamu kumakhala kothandiza kwambiri poyerekeza ndi kuphatikizika.

Kusiyanaku ndi pafupifupi 100-200 millivolts pamikhalidwe yabwino. Kankhirani makinawo ndi mphamvu yayikulu kapena muchepetse ndi kuzizira, ndipo zowonjezerazo zimadutsa malire ang'onoang'ono. Ntchito yaposachedwa yachitsanzo mu 2025 yapanga mawu owunikira okhudzana ndi nthawi yoyambira ndi momwe amagwirira ntchito ndi zinthu zakuthupi, zomwe zimathandizira kulosera nthawi yomwe plating idzayamba pazochitika zosiyanasiyana.

Zosagwirizana-zikupangitsa kuti zinthu ziipireipire. Ngati ma elekitiroliti agawika pa maelekitirodi sali ofanana-mwina chifukwa cha kuthamanga kwa ma elekitirodi kapena vuto la paketike-malo ena a anode amalandila ma electrolyte osakwanira. Maderawa amakhala akuchulukirachulukira komanso kuchulukirachulukira kwawoko-kwa-kuchulukirachulukira, zomwe zimachititsa kuti plating ichuluke ngakhale zitakhala zotetezeka.

Zosinthika vs. Zosasinthika: Kumvetsetsa Zowonongeka

Sikuti lifiyamu yonse yodzala imayambitsa kuvulaza kosatha. Lifiyamu yachitsulo yomwe imayika pakulipiritsa imatha kutenga njira ziwiri.

Reversible Plating

Zingwe za lithiamu zomatidwa zimabwerera m'mbuyo panthawi yotulutsa kapena pang'onopang'ono zimalowa mu graphite pambuyo poyimitsa. Kuyika "kosinthika" uku sikuchepetsa mphamvu ya batri nthawi yomweyo. Kafukufuku wogwiritsa ntchito ma neutron diffraction adapeza kuti mpaka 70% ya lithiamu yokhala ndi ma electrolyte okhazikika imachoka pakatuluka nthawi zina.

Kuphatikizika kwa fluoroethylene carbonate ku ma electrolyte kwawonetsa kusintha kusinthaku kwambiri. Panthawi yopumula mutatha kuthamangitsa mwachangu, zitsulo zachitsulo lifiyamu zimatha kuchitapo kanthu pang'onopang'ono ndi graphite, kulowererana pakati pa zigawozo mochedwa, pang'onopang'ono kulipiritsa.

Plating Yosasinthika ndi Lithium Yakufa

Kagawo kakang'ono kamene kamakhala ndi vuto ndi plating yosasinthika. Njira zingapo zimatseka lithiamu kuti isayendetse. Lifiyamu yopukutidwa imakumana ndi electrolyte, kuwononga zonse lifiyamu ndi electrolyte muzochita za parasitic. Izi zimakakamiza kukula kwa gawo la SEI, lomwe limawononga kwambiri lithiamu ndi electrolyte.

Zovuta kwambiri, mawonekedwe a mossy, dendritic a lithiamu yodzaza ndi osakhazikika pamakina. Pakutha, zigawo zapamwamba za lithiamu dendrites zimatha kutha, kutaya magetsi ndi anode. Ikangodzipatula, mawonekedwe a SEI atsopano mozungulira tizidutswa izi. Popeza SEI ndi insulating magetsi, lithiamu iyi "yakufa"-sapezeka kwanthawizonse kuti azilipiritsanso-zikutha.

Kuzungulira kulikonse ndi plating pang'onopang'ono kumachepetsa kuyika kwa lithiamu. Mphamvu ya batri imazimiririka chifukwa pali lithiamu yocheperako yomwe imatha kusuntha pakati pa ma electrode. Kulondola kwambiri kwa coulometry kumatha kuzindikira izi mwa kutsika kosawoneka bwino kwa mphamvu ya coulombic-chiyerekezo cha kuchuluka kwa zotulutsa pochajisa kuchuluka kwake.

Lithium Dendrite Mapangidwe ndi Zowopsa Zachitetezo

Zikavuta kwambiri, lithiamu yodzala sikhala ngati zokutira. Chimakula kukhala dendritic zomangira-mitengo-monga mipangidwe yakuthwa, singano{{3}monga nthambi zochoka ku anode.

Ma dendrite awa amabweretsa zoopsa zachitetezo. Amatha kuboola cholekanitsa chochepa kwambiri cha polima pakati pa anode ndi cathode, ndikupanga dera lalifupi lamkati. Kuzungulira pang'ono kumayambitsa-kutulutsa mwachangu kwa selo, kutulutsa mphamvu ngati kutentha. Zikafika poipa-zimene zimachititsa kuti kutentha kuyambe kutha-kuchuluka komwe kumapangitsa kuti kutentha kuyambike, zomwe zimatha kuyambitsa moto.

Chiwopsezo chimawonjezeka ndi plating mobwerezabwereza. Kuthamanga kulikonse kwachangu-zikakhala zovuta kumawonjezera zitsulo zamtundu wa lithiamu, ndipo ma dendrites amakula motalikirapo. Ichi ndichifukwa chake machitidwe oyang'anira mabatire m'magalimoto amagetsi amasamala za kulipiritsa ma protocol, makamaka nyengo yozizira kapena mphamvu zambiri.

Lifiyamu yachitsulo imagwiranso ntchito kwambiri ndi ma electrolyte ndi chinyezi, zomwe zimawonjezera ngozi yamoto ngati selo lawonongeka ndipo zomwe zili mkati mwake zikuwonekera.

Njira Zodziwira: Kuzindikiritsa Kuyika Popanda Kuwononga Mabatire

Kuzindikira plating ya lithiamu kumakhala kovuta chifukwa kutsegula batire kumapereka chithunzithunzi, ndipo kuchuluka kwa zitsulo za lithiamu kumasintha mosalekeza. Ochita kafukufuku apanga njira zingapo zodziwira-zosawononga, movutikira mosiyanasiyana komanso molondola.

Voltage Relaxation Analysis

Njira yothandiza kwambiri yamakina oyang'anira mabatire imayang'anira magetsi pambuyo poyimitsa. Pamene plating yachitika, zitsulo za lithiamu zimachotsa anode panthawi yopuma, ndikupanga mawonekedwe amagetsi. Izi zimawoneka ngati gawo lathyathyathya pamapindi a voteji kapena pachimake pa nthawi yochokera kumagetsi.

Kafukufuku wa 2024 adapeza kulondola kopitilira 97% pogwiritsa ntchito zinthu zomwe zidachotsedwa muzambiri zotsitsimula ma voltage, kuphatikiza ma algorithms ophunzirira makina. Njirayi imagwira ntchito chifukwa kuvula zitsulo za lithiamu kumasunga voteji pafupi ndi mphamvu ya chitsulo cha lithiamu mpaka wosanjikiza wanyeketsa, kenako voteji imatsika kwambiri.

Vutoli ndi kukhudzidwa. Kupumula kwamagetsi kumafunika osachepera 1% ya mphamvu zonse kuti zikhazikike chizindikiro chisanamveke bwino kuti chizindikirike modalirika. Kwa kulowererapo koyambirira, kuchepetsa uku ndikofunikira.

Differential Voltage Analysis (DVA) ndi Incremental Capacity Analysis (ICA)

DVA imayang'ana mapindikidwe a dV/dQ-momwe mphamvu yamagetsi imasinthira ndi mphamvu ikatulutsa. Chiwongola dzanja chowonjezera chikuwoneka m'chigawo cha kusintha pakati pa lithiamu zitsulo zovula ndi graphite de-kulumikizana pamene plating yachitika. ICA imagwiritsa ntchito ma curve a dQ/dV ndipo imatha kuzindikira mapangidwe a plating panthawi yolipira.

Njira zonse ziwirizi zimapereka-zambiri zokhuza kuchuluka kwa plating. Kafukufuku wa 2024 adawonetsa kuti DVA ikuwonetsa mwachindunji kutulutsa kwachitsulo kuchokera ku zitsulo za lithiamu kupyola pamalo pomwe pali nsonga ya plating, pomwe nsonga za ICA zimakhala zokwera kuposa lifiyamu yovulidwa, kutanthauza kutayika kosasinthika.

Kusiyana kwa Pressure Sensing

Njira yatsopano yomwe yanenedwa mu Nature Communications imagwiritsa ntchito masensa amphamvu kuti azindikire kuti pali plating mu nthawi yeniyeni-pachaji. Lithium plating imapangitsa makulidwe okulirapo komanso kukakamiza kumakwera kuposa kuphatikizika kwanthawi zonse-kutheka kuwirikiza ka 7 pa kuchuluka komweko.

Poyang'anira zomwe zimachokera ku kukakamizidwa pokhudzana ndi mphamvu (dP / dQ), dongosololi limatha kuzindikira pamene mtengowu ukudutsa malire omwe amakhazikitsidwa panthawi yamtengo wapatali pamtengo wotsika. Njirayi imatha kugwira plating isanakule kwambiri ndipo imangofunika cell yonyamula, ndikupangitsa kuti ikhale yoyenera kuphatikiza batire.

Kulepheretsa-Njira Zotengera

Kuwunika kwa Electrochemical Impedans spectroscopy (EIS) ndi kugawa kwanthawi zopumula (DRT) kumatha kuzindikira kusintha kwa njira zosinthira ndalama zikamangirira. Plating amasintha momwe amagawira ndalama ndikupanga njira zatsopano zosinthira ndalama pamawonekedwe a lithiamu.

Njirazi ndizodziwitsa kwambiri kafukufuku wa labotale koma zimafunikira zida zapadera komanso ukadaulo, kuletsa kugwiritsa ntchito kwawo pamakina oyendetsera mabatire amalonda.

Njira Zotulukira

Ma Ultrasonic spectroscopy amawonetsa lonjezano lodziwira msanga-kuyika kwa siteji potsata kusintha kwa mafunde amawu kudzera m'ma cell a batri. Kafukufuku wa 2025 adawonetsa chidwi chachikulu pakuzindikira plating mosasokoneza pang'ono kuchokera ku-ya-kusiyana kwa mtengo.

Fluorescence probes pogwiritsa ntchito aggregation-mamolekyu opangidwa ndi mpweya amatha kuzindikira lifiyamu yodzaza. Pamene 4'{3}}hydroxychalcone contacts plated lithium, imapanga yellow fluorescence mkati mwa masekondi, kulola kuwunika kwapakati-kuchulukirachulukira kwa kuchuluka kwa plating ndi kugawa.

Impact pa Magwiridwe A Battery ndi Moyo Wautali

Zotsatira za lithiamu plating zimapitilira kutayika kwamphamvu komwe kumakhudza magawo angapo a magwiridwe antchito a batri.

Kutha Kutha

Chigawo chilichonse cha plating chimachotsa lithiamu kuchokera pazomwe zimagwira ntchito kudzera muzochita zosasinthika komanso mapangidwe akufa a lithiamu. Ngakhale 70% ibweza, 30% yotsalayo imayimira kutaya mphamvu kosatha. Ndi plating mobwerezabwereza panthawi yothamangitsa mwachangu, izi zimachulukana mwachangu.

Deta yoyeserera ikuwonetsa ma cell omwe ali ndi lithiamu plating amatha kutaya 20-30% ya mphamvu mkati mwa 50-100 cycles, poyerekeza ndi kuwonongeka pang'ono m'nyengo yolipitsidwa bwino. Kuchuluka kwa kuzimiririka kumadalira kuuma kwa plating - kuchuluka kwa lithiamu madipoziti pa kuzungulira.

Kuwonongeka kwa Mphamvu ya Mphamvu

Lifiyamu yopukutidwa ndi zigawo zokulirapo za SEI zimawonjezera kukana kwamkati. Kukana kwakukulu kumatanthawuza kutsika kwamagetsi ochulukirapo pansi pa katundu, kuchepetsa mphamvu yomwe batri ikhoza kupereka. Izi ndizofunikira makamaka pamapulogalamu omwe amafunikira kutulutsa kwakukulu, monga kuthamanga kwa magalimoto amagetsi.

Chitsulo chachitsulo chimalepheretsanso magawo a anode pamwamba, kuchepetsa malo ogwira ntchito omwe akupezeka kuti asamutsidwe. Izi zimakakamiza madera otsala omwe akugwira ntchito kuti azinyamula kachulukidwe kakakulu kakanthawi kochepa, kufulumizitsa kuwonongeka kwakanthawi koyipa.

Kuwonongeka kwa Electrolyte

Zomwe zimachitika pakati pa lithiamu yodzaza ndi electrolyte zimawononga kuchuluka kwa electrolyte. Popeza electrolyte imathandizira mayendedwe a ion, kuchepa kwake kumapangitsa kukana mu cell yonse. Ma electrolyte osakwanira amatha kukhala cholepheretsa moyo wa batri, ngakhale zida za electrode zikadali ndi mphamvu.

Njira Zopewera: Kupewa Plating Kudzera Kupanga ndi Kuwongolera

Kupewa kuyika kwa lithiamu kumafuna njira zambiri zoyankhulirana ndi zida, -mapangidwe a ma cell, ndi ma protocol otchaja.

Ma Protocol Owonjezera Olipiritsa

Ma algorithms opangira ma Smart Charging amawunika momwe ma cell amakhalira ndikusintha momwe zinthu ziliri pano kuti zisakhale pansi pa plating. Makina ena amayerekezera kuthekera kwa anode munthawi yeniyeni{1}} pogwiritsa ntchito ma neural network ophunzitsidwa pa data yoyeserera, zomwe zimanenedwa zolondola mkati mwa 2 millivolts.

Kuyerekeza kwa anode komwe kungathe kuyandikira 0V motsutsana ndi lithiamu, kuyitanitsa kwapano kumachepetsa zokha. Kukhazikitsa kumodzi kunawonetsa kuti mabatire omwe amagwiritsa ntchito chowongolera chosinthirachi amatha kulipiritsidwa kawiri kuwirikiza kawiri asanawonongeke poyerekeza ndi kuchuluka kwanthawi zonse-kucharge komweku.

-mabatire azitenthetsere asanachapire m'malo ozizira amakhala ofala m'magalimoto amagetsi, ngakhale amawonjezera nthawi ndi mphamvu. Makina ena apamwamba amagwiritsa ntchito zinthu zotenthetsera zamkati zomwe zimatha kutentha cell mkati mwa masekondi osakwana 30, zomwe zimapangitsa kuti azilipira mwachangu ngakhale -20 digiri popanda plating.

Kusintha kwa Zinthu za Anode

Zopaka pamwamba pa tinthu tating'onoting'ono ta graphite zimatha kupititsa patsogolo kayendedwe ka lithiamu-ndi intercalation kinetics. Zida monga titanium dioxide (TiO₂), aluminium oxide (Al₂O₃), ndi titaniyamu-niobium oxide (TiNb₂O₇) zasonyeza ubwino mu kafukufuku wa 2024.

Zopaka izi zimagwira ntchito polinganiza zoyendera ma elekitironi ndi ayoni, kuchepetsa mphamvu zakumalo zomwe zikanayambitsa plating. Ena amapanga zigawo za lithium-phosphide{{2}zochokera ku crystalline SEI zomwe zimathandizira kuti azitchaja mwachangu.

Ma elekitirodi owonda amachepetsa mtunda wotalikirana wa ma lithiamu ma ion amayenera kuyenda mkati mwa tinthu tating'onoting'ono, ndikuchepetsa kuchuluka kwa ndende. Kafukufuku wasonyeza kuti kuchepetsa makulidwe a ma elekitirodi kuchoka pa 100μm kufika pa 50μm kunasintha kwambiri-kutha kwacharge, ngakhale pamtengo wochepetsera kuchuluka kwa mphamvu pa voliyumu iliyonse.

Electrolyte Engineering

Localized high-concentration electrolytes (LHCE) awonetsa kusintha kodabwitsa kwa plating reversibility and morphology control. Mapangidwewa amapanga ma solvation sheaths mozungulira ma lifiyamu ma ion pa maelekitirodi pomwe akugwiritsa ntchito zochepa-zosungunulira zosungunulira mu ma electrolyte ambiri.

Zotsatira zake zimakhala za LiF-zolimba kwambiri-zolumikizana ndi electrolyte interphase zomwe zimathandiza kuti ma coulombic azigwira bwino ntchito (99.9%) komanso kusinthika kwa lithiamu plating (99.95%). Kafukufuku wina wa 2024 akuti ma electrolytewa amagwirabe ntchito ngakhale -30 digiri , kuthana ndi vuto la nyengo yozizira.

Kuonjezera fluoroethylene carbonate kapena filimu ina-kupanga zowonjezera kumalimbitsa chigawo cha SEI, kumapangitsa kuti chisasokonezeke ndi kusintha kwa voliyumu panthawi yopukutira ndi kuvula. Izi zimachepetsa machitidwe a parasitic ndikuwongolera kachigawo kakang'ono ka lithiamu kamene kamabwerera.

Ubwino Wopanga Ma cell

Kuwonetsetsa kugawa kwamphamvu kofananira, kuyanjanitsa kolondola kwa ma elekitirodi, komanso kudzazidwa kosasinthika kwa ma electrolyte panthawi yopanga kumalepheretsa malo ofooka omwe amapezeka pomwe plating imachitika. Kugawa kosafanana-kukhoza kuchititsa mphete-ngati ma plating, ndi kuyika kokhazikika mu ma electrolyte{3}}zoni zolemera.

Anode yoyenera-ku{1}}cathode capacity ratio (N/P ratio) imapereka malire achitetezo. Kuchulukirachulukira kwa anode ndi 10-20% poyerekeza ndi mphamvu ya cathode kumatsimikizira kuti anode imagwira ntchito bwino m'munsimu mulingo wake waukulu wa lithiation ngakhale pamalipiro owopsa.

Mafunso Ofunsidwa Kawirikawiri

Kodi lithiamu plating ingasinthidwe zitachitika?

Pang'ono. Gawo lalikulu la lithiamu wothira limatha kuvulanso pakutulutsa kapena kulowa pang'onopang'ono mu anode pambuyo poyimitsa, makamaka ndi ma electrolyte opangidwa bwino. Komabe, kachigawo kakang'ono nthawi zonse kumakhala kosasinthika chifukwa cha zochita ndi electrolyte kapena kudzipatula kwa electrode. Kafukufuku akuwonetsa kusinthika kwa 60-70% m'mikhalidwe yabwino, kutanthauza kuti 30-40% imayambitsa kutaya mphamvu kosatha.

Kodi plating ya lithiamu imakhala pa liwiro lanji lochapira?

Izi zimatengera kutentha ndi kapangidwe ka cell, koma chiwopsezo cha plating chimawonjezeka kwambiri kuposa 1-1.5C kutentha kwapakati kwa maselo wamba. Pa 0 digiri, ngakhale 0.5C ingayambitse plating. Maselo amakono okhala ndi anode okometsedwa ndi ma electrolyte nthawi zina amatha kugwira 2-3C kutentha kwachipinda bwino. Makina oyang'anira mabatire nthawi zambiri amachepetsa kulipiritsa mpaka 0.5-1C pansi pa 10 digiri ngati kusamala.

Kodi ndingadziwe bwanji ngati batire yanga idakumana ndi lithiamu plating?

Popanda zida zapadera, ndizovuta kuzizindikira mwachindunji. Zizindikiro zimaphatikizapo kuchepa kwamphamvu kwamphamvu mukatha kuchajisa mwachangu kapena kuzizira-kuzizira kwambiri-kukagwiritsa ntchito nyengo, kutalika kuposa "nthawi yokhazikika" pambuyo pochajisa, kapena kuchepa kwa mphamvu yamagetsi. Ngati chipangizo chanu chimagwiritsa ntchito voltage-zowunikira kuti mupumule, chitha kuwonetsa zochitika zomwe zingachitike. Kuyesa kwaukatswiri pogwiritsa ntchito mawonekedwe a impedance kapena kusanthula kwamagetsi kumapereka mayankho otsimikizika.

Kodi lithiamu plating imakhudza chitetezo cha batri nthawi yomweyo?

Kuyika kwapakatikati kumayambitsa kuwonongeka kwa magwiridwe antchito m'malo mokhala ndi zovuta zanthawi yomweyo zachitetezo. Ngoziyo imakula ndi kubisala koopsa, kobwerezabwereza komwe kumapanga ma dendrites omwe amatha kulowa mu olekanitsa. Makina oyang'anira mabatire adapangidwa kuti aletse kuyika kwa mbale kuti zisafike pamlingo wowopsa, koma kugwira ntchito kunja{2}}monga kuthamangitsa mobwerezabwereza-pakuzizira kwambiri{4}}kumawonjezera ngozi pakapita nthawi.

Zowona za lithiamu plating zikuwonetsa kusamala kofunikira muukadaulo wamakono wa batri. Kankhani liwiro lacharge mwamphamvu kwambiri, ndipo mumawononga batire. Gwirani ntchito m'malo ozizira popanda kusamala bwino, ndipo plating imachitika. Komabe kufunikira kwa kuyitanitsa mwachangu komanso kutentha kwakanthawi kogwira ntchito kukupitilira kukula, makamaka m'magalimoto amagetsi.

Kupita patsogolo kwaposachedwa kwa njira zozindikirira, ma aligorivimu ochapira mwanzeru, ndi zida zowongoleredwa zikuchepetsa kusiyana pakati pa zomwe ogwiritsa ntchito akufuna ndi zomwe mabatire angapereke mosatetezeka. Kuzindikira nthawi yeniyeni-yopeza kulondola kwa 99%, kuphatikiziridwa ndi ma adaptive ma protocol a charger, zikutanthauza kuti mabatire tsopano atha kuyandikira malire awo moyandikira kwambiri popanda kudutsa malo oopsa.

Kwa aliyense amene akugwira ntchito ndi lithiamu-mabatire a ion-kaya mu ebikes, mafoni a m'manja, kapena magalimoto amagetsi-kumvetsetsa lifiyamu plating kumapereka chidziwitso cha chifukwa chake mabatire amachita monga momwe amachitira. Malire amagetsi amenewo, kuletsa kuthamanga kwa liwiro, ndi machenjezo a kutentha kulipo pazifukwa zolimba zama electrochemical, kuteteza kuwerengera kwa lithiamu komwe kumatsimikizira kuti batire yanu idzakutumikireni nthawi yayitali bwanji.