Yin cajin baturin lithium mai jujjuya kai da hanyar aunawa

著者：Iflowpower – Dodavatel přenosných elektráren

Wannan takarda ta bayyana tasirin ingantaccen kayan lantarki, kayan lantarki mara kyau, electrolytes, da wuraren ajiya akan adadin fitar da kai na batirin lithium ion. A lokaci guda, yana gabatar da hanyar auna ƙimar batirin lithium-ion na yau da kullun da aka saba amfani da shi da sabuwar hanyar auna saurin fitar da kai. Daga Guoxuan babban injiniyan fasaha, maraba da kowa don raba! Halin fitar da kai na batirin Lithium-ion ba zai iya hanawa ba, amma ba wai rage batir ɗin ba ne kaɗai ba, har ma yana tasiri sosai ga baturin ko rayuwar zagayowar.

Matsakaicin fitar da kai na baturin lithium-ion gabaɗaya shine 2% zuwa 5% a kowane wata, kuma yana iya cika buƙatun baturin monomer. Koyaya, da zarar an haɗa batirin lithium ion monomer a cikin wani module, saboda halayen kowane baturin lithium ion monomer, ƙarshen ƙarfin kowane baturi na lithium ion na monomer ba zai iya daidaitawa gaba ɗaya bayan kowane caji da fitarwa ba, ta yadda batir monomer a cikin tsarin baturi na lithium-ion ya bayyana, aikin batirin lithium ion na monomer zai lalace. Yayin da adadin cajin da fitarwa ya karu, girman lalacewa zai kara tsananta, kuma rayuwar sake zagayowar ta ragu sosai fiye da batir monomer da ba a haɗa ba.

Don haka, bincike mai zurfi kan adadin fitar da kai na batirin lithium ion shine buƙatar samar da baturi cikin gaggawa. Na farko, fitar da kai na al&39;amarin fitar da batir mai fitar da kai yana nufin al&39;amarin hasarar kai lokacin da baturi ke bi da bi, kuma ana kiransa da ƙarfin caji. Za a iya raba fitar da kai gabaɗaya zuwa nau&39;i biyu: jujjuyawar kai da zubar da kai mara jurewa.

Ƙarfin asara na iya zama mai jujjuyawa don ramawa mai jujjuyawar fitar da kai, kuma ƙa&39;idar tayi kama da yanayin fitarwa na al&39;ada na baturi. Thearfin asara ba zai iya samun diyya kai-fitarwa zuwa irreversible kai-fitarwa, kuma yana da muhimmanci dalilin da cewa ciki na baturi ya faru inveracted, ciki har da tabbatacce lantarki da kuma electrolyte dauki, da electrolytic electrolytic bayani, da dauki lalacewa ta hanyar electrolyte autobiosis, da kuma lokacin da kerarre The irreversible dauki lalacewa ta hanyar micro short circuits lalacewa ta hanyar impurities. Abubuwan da ke tasiri na fitar da kai kamar yadda aka bayyana a kasa.

1 Tasirin ingantaccen abu na lantarki yana da mahimmanci shine cewa ingantaccen kayan lantarki na canzawa ƙarfe da ƙazanta suna ɗan ɗan gajeren lokaci a cikin hazo mara kyau, don haka sabon fitarwa daga baturin lithium-ion. Yah-Meiteng et al. Ya yi nazarin kaddarorin kayan aikin LIFEPO4 na zahiri da na lantarki.

Binciken ya gano cewa yawan fitar da kai daga cikin najasa ƙarfe a cikin albarkatun ƙasa da kuma tsarin caji da fitarwa yana da yawa, dalilin shi ne cewa baƙin ƙarfe yana raguwa ta hanyar gurɓataccen lantarki a hankali, ya huda diaphragm, yana haifar da gajeren kewayawa a cikin baturi, wanda ya haifar da mafi girma. 2 Tasirin abu mara kyau na lantarki akan fitar da kai yana da mahimmanci saboda yanayin da ba za a iya canzawa ba na kayan lantarki mara kyau da kuma electrolyte. Tun farkon 2003, Aurbach et al.

An ba da shawarar cewa an dawo da electrolyte kuma an saki iskar gas, don haka saman ɓangaren graphite ya fallasa ga electrolyte. Yayin aiwatar da caji da fitarwa, lithium ion yana cikin dabi&39;a, ana lalata tsarin zane mai zane a cikin sauƙi, yana haifar da mafi girman ƙimar fitar da kai. 3 Tasirin electrolytic bayani na electrolyte: lalatawar electrolyte ko ƙazanta a saman ƙananan lantarki; an narkar da kayan lantarki a cikin electrolyte; narkar da lantarki da aka narkar da electrolytic bayani ne narkar da da insoluble m ko gas don samar da wani passivation Layer, da dai sauransu.

A halin yanzu, ɗimbin ma&39;aikatan bincike sun himmatu wajen haɓaka sabbin abubuwan ƙari don hana tasirin electrolyte akan fitar da kai. Junliu et al. MCN111 baturi electrolyte ƙari don ƙara additives, gano cewa baturi high zafin zagayowar aikin da aka inganta, da kuma kai-fitar da aka kullum saukar.

Dalili kuwa shi ne cewa waɗannan abubuwan da ake ƙarawa na iya inganta membrane na SEI don kare ƙwayar batir mara kyau. 4 Matsayin ma&39;ajiya Gabaɗaya abubuwan da ke tasiri sune zafin ajiya da baturi SOC. Gabaɗaya, mafi girman zafin jiki, mafi girman SOC, mafi girman fitar da batirin kansa.

TAKASHI et al. Gwaje-gwaje masu ƙarfi akan batura ion phosphate ƙarƙashin yanayin sake saiti. Sakamakon ya nuna cewa ƙarfin riƙewa yana raguwa a hankali tare da lokacin shiryayye, kuma an ɗaga baturi.

Liu Yunjian da sauransu suna amfani da baturin lithium manganate na kasuwanci. Ya gano cewa ƙarfin dangi na ingantaccen lantarki yana ƙaruwa kuma yana ƙaruwa. Matsakaicin madaidaicin madaidaicin na&39;urar lantarki yana ƙara ƙaranci, rage kayan sa kuma yana samun ƙarfi, duka biyun suna iya haɓaka hazo na MN, yana haifar da haɓaka ƙimar fitar da kai.

5 Sauran abubuwan suna shafar abubuwan da ke haifar da yawan fitar da batir da kansa, sai dai wasu da yawa da aka bayyana a sama, akwai kuma abubuwa masu zuwa: A cikin tsarin samarwa, fashewar da ke faruwa lokacin da aka yanke sandar, da kuma shigar da yanayin samarwa a cikin baturi. Najasa, kamar ƙura, foda na ƙarfe akan farantin, da dai sauransu, waɗannan na iya haifar da ƙaramin gajeriyar da&39;ira na ciki na baturi; akwai da&39;irar lantarki ta waje lokacin da yanayin waje ya jike, rufin layin waje ba cikakke ba ne, baturin baturi ba shi da kyau, yana haifar da yanayin lantarki na waje, yana haifar da zubar da kai; a lokacin ajiya na dogon lokaci, kayan aiki mai aiki na kayan lantarki da haɗin kai na mai tarawa na yanzu, yana haifar da raguwa a cikin iya aiki, kuma fitar da kai yana ƙaruwa.

Kowane ɗayan abubuwan da ke sama ko haɗuwa da abubuwa da yawa na iya haifar da halin fitar da kai na baturin lithium-ion, wanda ke da wahalar samu da kimanta aikin ajiyar baturin. Na biyu, ana iya ganin hanyar auna rabon fitar da kai ta hanyar binciken da ke sama, tunda adadin fitar da kai na batirin lithium ion gabaɗaya yayi ƙasa. Adadin fitar da kai kansa yana shafar zafin jiki, amfani da hawan keke da SOC, don haka ingantacciyar ma&39;auni na fitar da baturi yana da matukar wahala kuma yana ɗaukar lokaci.

1 Hanyar Aunawa ta Gargajiya A halin yanzu, hanyar gano fitar da kai na gargajiya yana da nau&39;ikan guda uku masu zuwa: Fitarwa don tantance iyawar baturi. Adadin fitar da kai shine: a cikin nau&39;i na: c shine ƙimar ƙarfin baturi; C1 shine ƙarfin fitarwa. Bayan buɗewa, za a iya samun ragowar ƙarfin baturin don baturin.

A wannan lokacin, ana sake cajin tantanin baturi kuma an sake yin aikin sake zagayowar, tantance cikakken ƙarfin tafarnuwar lantarki a wannan lokacin. Wannan hanya zata iya tantance cewa baturin baya iya jujjuyawa da asarar iya aiki. ● Ƙididdigar ƙididdige ƙimar ƙarfin lantarki na buɗewa Hanyar aunawa Wutar lantarki da cajin baturi na jihar SOC suna da alaƙa kai tsaye, muddin yana auna canjin canjin OCV na baturin a cikin wani ɗan lokaci, wato, hanyar tana da sauƙi, kawai tana rikodin ƙarfin baturin a kowane lokaci.

Bugu da ari, bisa ga daidaito tsakanin ƙarfin lantarki da baturi SOC, ana iya samun yanayin cajin baturin. Za&39;a iya samun ƙimar fitar da kai na baturi ta hanyar ƙididdige ƙimar ƙarancin ƙarfin lantarki da ƙididdige ƙimar ƙimar da ta dace da lokacin naúrar. ● Hanyar riƙe ƙarfi Yana auna ƙarfin buɗe baturi da ake so ko ƙarfin da ake buƙata don ajiyewa, sakamakon yawan fitar da baturin kai.

Wato cajin halin yanzu lokacin da aka auna da&39;irar bude baturi, kuma ana iya la&39;akari da adadin fitar da batir a matsayin auna cajin halin yanzu. 2 Hanyar auna saurin saurin fitar da kai Saboda tsawon lokacin da ake buƙata don hanyar auna ta al&39;ada, ƙimar fitar da kai hanya ce kawai ta tace baturi a cikin tsarin gano baturi saboda tsawon lokacin da ake buƙata don hanyar auna ta al&39;ada. Fitowar babban adadin sabbin hanyoyin aunawa masu dacewa, adana lokaci da kuzari mai yawa don ma&39;aunin fitar da baturi.

● Fasahar sarrafa dijital fasahar sarrafa dijital sabuwar hanyar auna fitar da kai ce ta hanyar aunawar da aka samo ta bisa hanyoyin auna fitar da kai na gargajiya. Wannan hanya tana da abũbuwan amfãni daga takaice, babban madaidaici, babban madaidaici, kayan aiki mai sauƙi. Daidaita hanyar da&39;irar da&39;irar da&39;irar da&39;irar wata sabuwar hanyar auna fitar da kai, wacce ke siffanta baturin zuwa da&39;irar daidai, wanda zai iya auna saurin fitar da kai na batir lithium-ion cikin sauri da inganci.

Na uku, auna ma&39;anar ma&39;anar fitar da kai A matsayin muhimmin ma&39;aunin aikin baturi na lithium ion, yana da tasiri mai mahimmanci akan tantancewa da kuma gratuation na baturin, don haka ƙimar rage girman batirin lithium-ion yana da ma&39;ana mai nisa. 1 Hasashen matsalar bobbin iri ɗaya a cikin bob iri ɗaya, kayan da ake amfani da su, kayan da ake amfani da su da sarrafa sarrafawa iri ɗaya ne. Lokacin da baturi ɗaya a bayyane yake babba, dalili mai yiwuwa saboda ƙazanta ne da huda diaphragm.

Micro short circuit. Saboda tasirin ƙaramin gajere ga baturi yana da hankali kuma ba zai iya jurewa ba. Don haka, aikin irin waɗannan batura ba ya bambanta da yawa daga na al&39;ada batir a cikin ɗan gajeren lokaci, amma tare da zurfin zurfin halayen ciki wanda ba zai iya jurewa ba, aikin baturin zai yi ƙasa sosai fiye da aikin masana&39;anta da sauran ayyukan baturi na yau da kullun.

Don haka, don tabbatar da ingancin batirin masana&39;anta, dole ne a cire baturin da ya fitar da kansa. 2 Don haɗa baturin zuwa rukuni na baturan lithium ion don zama mafi daidaito, gami da iya aiki, ƙarfin lantarki, juriya na ciki, da ƙimar fitarwa na fari, da sauransu. Tasirin adadin fitar da kai na baturi akan fakitin baturi wata muhimmiyar ma&39;ana ce.

Da zarar an haɗa shi a cikin module, saboda horon kai na kowane baturi na lithium ion monomer, ƙarfin lantarki zai ragu a cikin digiri daban-daban, a cikin jerin lokacin shelving ko sake zagayowar Karkashin caji, a halin yanzu yana daidai, don haka ana iya yin caji ko cikawa a cikin baturin lithium-ion bayan caji, kuma aikin zai ragu a hankali tare da adadin cajin da fitarwa. Rayuwa mai kewayawa idan aka kwatanta da batir monomer mara guda. Don haka, fakitin baturi yana buƙatar ingantacciyar aunawa da tantance horon kai na batir lithium ion.

3 Baturi SOC qiyasin Gyaran kaya kuma ana kiransa ragowar ƙarfin, wanda ke wakiltar rabon baturin da aka yi amfani da shi na wani ɗan lokaci ko kuma na dogon lokaci tana riƙe da ragowar ƙarfin da cikakken yanayin sa, wanda aka saba amfani dashi. Adadin fitar da kai game da kimar SOC na batirin lithium ion yana da mahimmancin ƙima. Bayan fitar da kai na halin yanzu, gyaran ƙimar farawa na SOC na iya inganta daidaiton ƙimar SOC.

A gefe ɗaya, abokin ciniki na iya ƙididdige lokaci ko nisan tafiya na samfurin bisa ga sauran ƙarfin; a daya bangaren, daidaiton hasashen SOC na BMS na iya hana yawan cajin baturi yadda ya kamata, tsawaita rayuwar batir. .