Kuongororwa kwechikonzero chebhatiri dhiramu goko uye kuputika

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - د پورټ ایبل بریښنا سټیشن عرضه کونکی

Lithium ndiyo shoma uye inonyanya kushanda simbi mumakemikari cycle tafura. Saizi diki, yakakwira density, inofarirwa nevatengi uye mainjiniya. Zvisinei, zvinhu zvemakemikari zvine upenyu zvakanyanya, zvichiunza njodzi dzakanyanyisa.

Kana iyo lithium simbi inoratidzwa kumhepo, inoputika nekutyisa oxidation reaction neokisijeni. Kuti vavandudze kuchengeteka uye magetsi, masayendisiti akagadzira zvinhu zvakaita se graphite uye lithium cobaltate kuchengetedza lithium maatomu. Iyo molecular chimiro chezvishandiso izvi, inoumba diki yekuchengetedza latisi ye nanometric level, iyo inogona kushandiswa kuchengetedza lithium maatomu.

Nenzira iyi, kunyange kana imba yebhatiri yakaputsika, okisijeni inopinda, uye mamorekuru eokisijeni haazove akakura zvakanyanya, uye aya madiki madiki ekuchengetedza haagone kubatwa neokisijeni kudzivirira kuputika. Iyi nheyo yemabhatiri e-lithium-ion inoita kuti vanhu vawane kuchengetedzeka kwavo vachiwana huwandu hwayo hwepamusoro. Kana iyo lithium ion bhatiri yachajwa, iyo lithium atomu yeyakanaka electrode inorasa maerekitironi, oxidized kune lithium ions.

Lithium ions inoenda kune negative electrode kuburikidza nemvura ye electrolytic, pinda mudura reiyo negative electrode, wotora elekitironi, ichideredza lithium atomu. Payakabudiswa, purogiramu yose yakadonha. Kuti udzivise iyo yakanaka uye yakaipa electrode yebhatiri, bhatiri rinowedzera diaphragm bepa rine maburi akawanda akanaka kudzivirira mapfupi maseketi.

Bepa rakanaka re diaphragm rinogonawo kudzima maburi akanaka kana tembiricha yebhatiri yakanyanya, kuitira kuti lithium ions irege kuyambuka, kudzivirira njodzi,. Iyo lithium-ion bhatiri musimboti ichatanga nekubatanidza mushure mekunge voltage yakwira kupfuura 4.2V.

The overcharge pressure yakakwira, uye ngozi yacho yakakwirawo. Mushure mokunge lithium battery voltage yakakwirira kudarika 4.2V, nhamba yakasara ye lithiamu maatomu muhutano hwakanaka hwe electrode inenge isingasviki hafu, uye giya rekuchengetedza rinowanzowa, kuitira kuti simba rebhatiri rive nekuderera zvachose.

Kana ikaramba ichichaja, sezvo dura reiyo negative electrode yakazadzwa neatomu yelithium, iyo inotevera lithium simbi ichaunganidza pamusoro pezvinhu zvisina kunaka. Aya maatomu e-lithium anozove branched crystallization kubva kudivi renzvimbo isina kunaka kusvika kune lithium ion. Aya lithium simbi makristasi achapfuura nepadiaphragm bepa kuita zvakanaka uye zvisina kunaka mapfupi maseketi.

Dzimwe nguva bhatiri risati rasvika pfupi richaputika kutanga nokuti zvinhu zvakadai sekuwedzera kwekugadzirisa, electrolyte nezvimwe zvinhu zvinoputika gasi, kuitira kuti bhatiri rekugara kana kuti vhavha yevhavha yakaputsika, zvichiita kuti okisijeni ipinde mu lithiamu atomic reaction munzvimbo isina kunaka, Uye inoputika. Naizvozvo, kana lithium ion bhatiri yachajwa, inofanirwa kugadzikwa kuseta iyo voltage yekumusoro muganho kuti panguva imwe chete ichifunga nezve hupenyu, huwandu, uye chengetedzo yebhatiri. Iyo inonyanya kudiwa yekuchaja voltage muganho ndeye 4.

2V. Panofanira kunge paine muganho wevoltage kana lithium bhatiri raburitswa. Zvimwe zvinhu zvichaparadzwa kana bhatiri voltage iri pazasi 2.

4V. Uyewo nokuti bhatiri richave rinozvibudisa, iyo yakawanda yakareba yakareba yakaderera, saka zvakanakisisa kuti urege kuiisa kusvika 2.4V kana yabudiswa.

Iyo lithium ion bhatiri inoburitswa kubva ku3.0V kuenda ku2.4V, uye iyo yakaburitswa simba inongoverengera inosvika 3% yehuwandu hwebhatiri.

Naizvozvo, 3.0V ndiyo yakanaka discharge cutoff voltage. Panguva yekubhadhara uye kubudiswa, kuwedzera kune muganhu wemagetsi, muganho wezvino unodiwawo.

Kana iyo yazvino yakawandisa, iyo lithium ion haipindi grid yekuchengetedza, iyo inounganidza pamusoro pechinhu. Mushure meiyi lithium ions iri pamagetsi, iyo lithium atomic crystallization inoitika pamusoro pezvinhu, izvo zvakafanana nechaji yakawandisa, inogona kukonzera njodzi. Panyaya yekuputika, ichaputika.

Naizvozvo, kuchengetedzwa kwemabhatiri e-lithium ion kunofanirwa kuverengerwa: muganho wepamusoro weiyo yekuchaja voltage, iyo yekuburitsa voltage muganho, uye wepamusoro muganho wezvino. Kazhinji, kuwedzera kune lithium-ion bhatiri sero, pachava neplate yekudzivirira, iyo yakakosha kupa izvi zvitatu kudzivirira. Nekudaro, iyo mitatu yekudzivirira yemudziviriri sezviri pachena haina kukwana, uye yepasi rose lithium-ion bhatiri kuputika kuchiri biography.

Kuti uve nechokwadi chekuchengetedzwa kwebhatiri system, iwe unofanirwa kunyatso ongorora kuputika kwebhatiri. Kuputika kwebhatiri kwakonzera 1. Iyo yemukati polarization yakakura!.

3, mhando, dambudziko rekuita kweiyo electrolyte pachayo. 4, huwandu hwekuvharirwa hahusviki nemaitiro. 5, iyo laser welding mugadziriro yegungano haina kunaka, inodonha, inodonha, kuvuza bvunzo.

6, guruva, guruva remufirimu rinotanga nyore kutungamira kune madiki-mapfupi maseketi, zvikonzero chaizvo zvisingazivikanwe. 7, iyo yakanaka uye yakaipa ndiro yakakora, maitiro acho akakora, uye zvakaoma kupinda mugoko. 8, dambudziko remuzamu, simbi yesimbi yekuisa chisimbiso kuita haina kunaka.

9, zvinhu zvemba zviripo zvine gobvu gobvu madziro, ukobvu hweiyo deformation yeimba. Mhando yekuputika kwekuongorora kwebhatiri core kuputika kunogona kupfupikiswa sekunze kupfupika kwekunze, mukati memukati pfupi uye pamusoro pechaji. Iyo yekunze sisitimu pano inoreva kunze kwebhatiri, iyo inosanganisira mapfupi maseketi anokonzerwa neasina kunaka ekudzivirira dhizaini mubhatiri pack.

Kana dunhu pfupi riri kunze kwebhatiri sero, chikamu chemagetsi hachigurwe, uye mukati mesero yebhatiri ichava nekupisa kwakanyanya, zvichikonzera chikamu che electrolyte steaming, uye kutsigira bhatiri goko. Kana kupisa kwemukati kwebhatiri kuchikwira kusvika ku135 degrees Celsius, kunaka kwe diaphragm kwakavharwa, electrochemical reaction inoguma kana pedyo nekugumisa, ikozvino inodonha, uye kutonhora kunoderera zvishoma nezvishoma, izvo zvinodzivirira kuputika. Zvisinei, iyo yakaisvonaka gomba kuvhara mwero yakanyanyisa, kana gomba rakanaka harivhari pepa re diaphragm, iro richaramba richikwira, mamwe electrolyte, uye kupedzisa imba yebhatiri, uye kunyange kuwedzera kupisa kwebhatiri kuita kuti bhatiri tembiricha Material kupfuta uye kuputika.

Iyo yemukati pfupi yedunhu yakakosha nekuti foil yemhangura iri kudhonza membrane yealuminium foil, kana matavi e lithium atomu anopfeka diaphragm. Idzi tsono dzakanaka dzinogona kukonzera micro-pfupi maseketi. Nekuti tsono yacho yakanaka kwazvo, pane imwe kukosha kwekupokana, saka yazvino haisi iyo.

Copper aluminium foil glue inokonzerwa nekugadzirwa kwemaitiro. Uyezve, sezvo glitch idiki, dzimwe nguva ichapiswa, kuitira kuti bhatiri ridzoke kune yakajairika. Nokudaro, mukana wekuputika kunokonzerwa neburrs hauna kukwirira.

Nenzira iyi, zvinokwanisika kuve nebhatiri pfupi mukati memukati kubva mukati meimwe neimwe yesero. Zvisinei, chiitiko chekuputika chakaitika, asi chakatsigirwa nenhamba. Nokudaro, kuputika kunokonzerwa nemukati mafupi mafupi kwakakosha nekuda kwekuwedzerwa.

Nekuti, ikaita tsono-yakaita simbi lithium crystallization, uye idiki-pfupi sedunhu. Naizvozvo, tembiricha yebhatiri ichawedzera zvishoma nezvishoma, uye pakupedzisira tembiricha yakakwira ichave electrolyte gasi. Mamiriro ezvinhu aya, angave akanyanya kukwirira kuti aite zvinhu zvinopisa kuputika, kana goko rekunze rinotanga kuputswa, kuitira kuti mhepo inoiswa mukati uye lithium simbi, ndiko kuputika.

Zvisinei, kuputika uku kunokonzerwa nekunyanyisa kwemukati pfupi pfupi haisi kuitika panguva yekuchaja. Zvinogoneka kuti tembiricha yebhatiri haina kukwirira kurega zvinhu zvichipiswa. Kana gasi richionekwa, mutengi haana kukwana kuputsa imba yebhatiri, mutengi achagumisa kubhadharisa, nefoni mbozha kubuda.

Panguva ino, kupisa kwema micro-short circuits, zvishoma nezvishoma kuwedzera kutonhora kwebhatiri, mushure mechinguva, kuputika chete. Tsanangudzo yakajairika yemutengi ndeyekutora foni uye kuona kuti foni inopisa, yobva yaputika. Mamwe marudzi ekuputika, tinogona kuisa kuputika-chiratidzo chekutarisa pakudzivirira, kunze kwekudzivirira kwedunhu pfupi, nekuvandudza kuchengetedzwa kwebhatiri zvinhu zvitatu.

Pakati pavo, kudzivirira overchalten uye yekunze pfupi yekudzivirira yekudzivirira ndeyemagetsi ekudzivirira, uye ine hukama hukuru nebhatiri system dhizaini uye bhatiri pack. Iyo inotarisisa yemagetsi kuchengetedza kuvandudzwa ikemikari uye mechanical kuchengetedza, iyo ine hukama hukuru nebhatiri musimboti mugadziri. Madhizaini emaitiro ane mazana emamiriyoni enharembozha, uye kutadza mwero wekuchengetedza kuchengetedza kunofanirwa kunge kuri pasi pe100 miriyoni.

Nekuti, chiyero chekutadza kwebhodhi redunhu kazhinji chakakwira zvakanyanya kupfuura zana remamiriyoni. Naizvozvo, kana bhatiri system yakagadzirwa, panofanira kunge paine mitsetse miviri yekuchengetedza. Yakajairika kukanganisa dhizaini ndeye kuchaja bhatiri zvakananga nechaja (Adaptor).

Izvi zvichawedzera kuchengetedza kwekudzivirira, kubata zvakakwana ndiro yekudzivirira pabhatiri pack. Kunyangwe chiyero chekutadza kwemudziviriri chisina kukwira, kunyangwe mwero wekukanganisa wakaderera, pasi rose ichiri tsaona yekuputika munyika. Kana iyo bhatiri system inogona kupa maviri kuchengetedzwa kwekuchengetedza, iyo overcurrent, iyo overcurrent inopiwa, uye kutadza mwero wedziviriro yega yega, kana iri chegumi, maviri ekudzivirira anogona kuderedza kutadza mwero kusvika ku100 miriyoni.

Iyo yakajairwa bhatiri yekuchaja system ndeyekutevera, kusanganisira zvikamu zviviri zvejaja uye bhatiri pack. Iyo charger inosanganisirawo zvikamu zviviri: adapta uye cheja controller. Iyo adapta inoshandura AC simba kutungamira ikozvino, uye inochaja controller inodzika iyo yakanyanya ikozvino uye yakanyanya voltage yeDC.

Iyo bhatiri paki ine zvikamu zviviri zvendiro yekudzivirira uye bhatiri musimboti, uye PTC kudzikamisa iyo yakanyanya ikozvino. Sero yebhatiri inoshandiswa semuenzaniso. Iyo overchard kuchengetedza system yakaiswa kune 4.

2V uchishandisa charger inobuda voltage kuti uwane yekutanga kudzivirira, kuitira kuti bhatiri risapidigurwe kunyangwe bhodhi rinodzivirira riri pabhatiri pack Hazard. Chechipiri chekudzivirira ibasa rekudzivirira rinopfuura pabhodhi rekudzivirira, rinowanzoiswa ku4.3V.

Nenzira iyi, iyo inodzivirira bhodhi kazhinji haifanirwe kuve nebasa rekucheka ikozvino yekuchaja, chete kana iyo charger voltage yakakwira zvakanyanya,. Kudzivirirwa kwepamusoro kunokonzeresa nebhodhi rinodzivirira uye yazvino inodzikamisa firimu, iri zvakare maviri ekudzivirira, kudzivirira overcurrent uye ekunze pfupi pfupi. Sezvo kuwandisa-kubuda kunongoitika mukuita kwemagetsi ari kushandiswa.

Naizvozvo, kazhinji kugadzirwa iwaya bhodhi yechigadzirwa chemagetsi kuti ipe kutanga kune dziviriro, uye ndiro yekudzivirira iri pabhatiri paki inopa chechipiri dziviriro. Kana chigadzirwa chemagetsi chaona kuti magetsi ekupa ari pazasi 3.0V, inofanira kuvharwa otomatiki.

Kana chimiro ichi chisina kugadzirwa, bhodhi rinodzivirira richadzima loop yekuburitsa kana voltage yakadzikira kusvika 2.4V. Muchidimbu, kana bhatiri system yakagadzirwa, iwo maviri emagetsi ekudzivirira anofanirwa kupihwa kune yakawandisa, pamusoro, uye overcurrent.

Pakati pavo, bhodhi rekudzivirira ndiro yechipiri chekudzivirira. Bvisa mudziviriri, kana bhatiri richiputika, rinomiririra kugadzirwa kusina kunaka. Kunyangwe iyo nzira iri pamusoro ichipa dziviriro mbiri, sezvo mutengi achiwanzo tenga isiri-yekutanga charger yekuchaja, uye indasitiri yechaja, zvichibva mukutarisisa mutengo, kazhinji inotora controller yekuchaja kudzikisa mutengo.

Nekuda kweizvozvo, kune akawanda epasi majaja pamusika. Izvi zvinoita kuti iyo yakazara-chaji dziviriro irasikirwe nenzira yekutanga zvakare ndiyo inonyanya kukosha tambo yekudzivirira. Uye pamusoro pekubhadhara ndiyo inonyanya kukosha iyo kuputika kwebheteri kunokonzerwa.

Nokudaro, iyo yakaderera charger inogona kunzi inotyisa yekuputika kwebhatiri. Ehe, haasi ese mabhatiri masisitimu anoshandisa nzira sezvatsanangurwa pamusoro apa. Mune zvimwe zviitiko, pachava zvakare nedhizaini yedhizaini yekuchaja mubhatiri pack.

Semuenzaniso: mabhatiri akawanda ezvimiti zvemabhuku akawanda, pane cheja controller. Izvi zvinodaro nekuti mabhuku ekunyorera anowanzo kuita ma controller ekuchaja mukombuta, anongopa vatengi adapta. Naizvozvo, iyo yekuwedzera bhatiri paki yekombuta yekombuta inofanirwa kunge iine chinodzora chekuchaja kuti ive nechokwadi chekuti bhatiri rekunze rakachengeteka paunenge uchichaja adapta.

Pamusoro pezvo, chigadzirwa chinochajwa uchishandisa mota yefodya yakareruka, uye mutongi wekuchaja dzimwe nguva anoitwa mukati mebhatiri pack. Mutsara wekupedzisira wekudzivirira, kana magetsi ekudzivirira matanho akakundikana, mutsara wekupedzisira wekudzivirira, uchapiwa nebhatiri. Chiyero chekuchengetedza bhatiri chinogona kuenderana nekuti bhatiri rinogona kupfuura rekunze pfupi reketi uye overcharge.

Nokuti kuputika kwebheteri, kana pane lithiamu atomu mukati, simba rekuputika richava rakakura. Uyezve, kuchengetedzwa kwepamusoro-soro kazhinji kunongova nemutsara wekudzivirira nekuda kwevatengi, saka kukwanisa kwebheteri anti-overcharge kupfuura anti-external short circuit inonyanya kukosha.