Menene Dacewar Batirin Lithium Solar?

Solar lithium baturishi ne babban bangaren tsarin ajiyar makamashin hasken rana, aikin batirin lithium yana daya daga cikin muhimman abubuwan da ke tantance aikin tsarin ajiyar makamashin batir.

Haɓaka fasahar batirin lithium na hasken rana ya kasance don sarrafa farashi, haɓaka ƙarfin kuzari da ƙarfin ƙarfin batirin lithium, haɓaka amfani da aminci, tsawaita rayuwar sabis da haɓaka daidaiton fakitin baturi, da sauransu azaman babban axis, kuma haɓaka waɗannan abubuwan har yanzu batirin lithium yana fuskantar babban ƙalubale a halin yanzu. Wannan ya samo asali ne saboda rukunin aikin tantanin halitta guda ɗaya da kuma amfani da yanayin aiki (kamar zafin jiki) ana samun bambance-bambance, ta yadda aikin batirin lithium mai rana ya kasance ƙasa da mafi munin tantanin halitta a cikin fakitin baturi.

Rashin daidaituwar aikin tantanin halitta guda ɗaya da yanayin aiki ba kawai yana rage aikin batirin lithium na rana ba, har ma yana rinjayar daidaiton sa ido na BMS da amincin fakitin baturi. To mene ne dalilan rashin daidaiton batirin lithium na hasken rana?

Menene Dacewar Batirin Solar Lithium?

Daidaiton fakitin baturi na hasken rana yana nufin cewa ƙarfin lantarki, ƙarfin aiki, juriya na ciki, tsawon rayuwa, tasirin zafin jiki, ƙimar fitar da kai da sauran sigogi sun kasance masu daidaituwa sosai ba tare da bambanci da yawa ba bayan ƙirar ƙayyadaddun ƙayyadaddun sel guda ɗaya suna samar da fakitin baturi.

Daidaiton batirin hasken rana na Lithium yana da mahimmanci don tabbatar da aiki iri ɗaya, rage haɗari da haɓaka rayuwar baturi.

Karatun da ke da alaƙa: menene haɗarin da batir lithium marasa daidaituwa zai iya kawowa?

Me ke Haɓaka Rashin daidaiton Batir Lithium Solar?

Rashin daidaiton fakitin baturi yakan haifar da batir lithium mai amfani da hasken rana a cikin tsarin hawan keke, kamar lalacewar iya aiki da yawa, gajeriyar rayuwa da sauran matsaloli. Akwai dalilai da yawa na rashin daidaituwa na batir lithium na hasken rana, galibi a cikin tsarin masana'antu da kuma amfani da tsarin.

1. Bambance-bambance a cikin sigogi tsakanin lithium baƙin ƙarfe phosphate baturi guda

Bambance-bambancen jihohi tsakanin batirin lithium iron phosphate monomer sun haɗa da bambance-bambancen farko tsakanin baturan monomer da bambance-bambancen ma'auni da aka haifar yayin aikin amfani. Akwai nau'ikan abubuwan da ba za a iya sarrafawa ba a cikin tsarin ƙirar baturi, ƙira, ajiya da amfani waɗanda zasu iya shafar daidaiton baturi. Inganta daidaiton sel guda ɗaya shine buƙatu don haɓaka aikin fakitin baturi. Ma'amalar lithium iron phosphate sigogi guda tantanin halitta, yanayin siga na yanzu yana shafar yanayin farko da tasirin tara lokaci.

Lithium iron phosphate ƙarfin baturi, ƙarfin lantarki da yawan fitar da kai

Rashin daidaiton ƙarfin baturi na baƙin ƙarfe phosphate zai sa fakitin baturin kowane zurfin fitar da tantanin halitta bai dace ba. Batura tare da ƙaramin ƙarfi da ƙarancin aiki za su kai ga cikakken caji a baya, haifar da batura masu girma da aiki mai kyau don kasa kaiwa ga cikakken cajin jihar. Rashin daidaiton baturi na baƙin ƙarfe phosphate zai haifar da daidaitattun fakitin baturi a cikin tantanin halitta guda ɗaya suna cajin juna, baturin ƙarfin lantarki mafi girma zai ba da cajin baturin ƙananan ƙarfin lantarki, wanda zai hanzarta lalata aikin baturi, asarar ƙarfin duk fakitin baturi. . Babban adadin fitar da kai na asarar ƙarfin baturi, lithium baƙin ƙarfe phosphate baturi rashin daidaituwar ƙimar baturi zai haifar da bambance-bambance a cikin yanayin cajin baturi, ƙarfin lantarki, yana shafar aikin fakitin baturi.

Juriya na ciki na baturin lithium baƙin ƙarfe phosphate guda ɗaya

A cikin jerin tsarin, bambance-bambancen juriya na ciki na baturin lithium baƙin ƙarfe phosphate guda ɗaya zai haifar da rashin daidaituwa a cikin cajin wutar lantarki na kowane baturi, baturin da ke da babban juriya na ciki ya kai iyakar ƙarfin lantarki a gaba, kuma sauran batura bazai cika caji ba a gaba. wannan lokacin. Batura tare da babban juriya na ciki suna da asarar makamashi mai yawa kuma suna haifar da zafi mai zafi, kuma bambancin zafin jiki yana ƙara ƙara bambanci a cikin juriya na ciki, yana haifar da mummunan zagayowar.

Tsarin layi ɗaya, bambancin juriya na ciki zai haifar da rashin daidaituwa na kowane baturi na yanzu, halin yanzu na ƙarfin baturi yana canzawa da sauri, don haka zurfin caji da fitarwa na kowane baturi ɗaya ba daidai ba ne, wanda ya haifar da ainihin ƙarfin tsarin shine. wuya a kai ga ƙima ƙira. Batirin da ke aiki a halin yanzu ya bambanta, aikinsa a cikin amfani da tsarin zai haifar da bambance-bambance, kuma a ƙarshe zai shafi rayuwar fakitin baturi gaba ɗaya.

2. Yanayin caji da fitarwa

Hanyar caji tana rinjayar ingancin caji da yanayin caji na fakitin batirin lithium na hasken rana, yin caji da yawa zai lalata baturin, kuma fakitin baturi zai nuna rashin daidaituwa bayan lokuta da yawa na caji da fitarwa. A halin yanzu, akwai hanyoyi da yawa na caji don batir lithium-ion, amma na gama gari sun kasu kashi-kashi-na-yi-caji da caja-nau'i-nau'i na yau da kullun. Cajin na yau da kullun shine hanya mafi dacewa don aiwatar da cikakken caji mai aminci da inganci; cajin wutar lantarki akai-akai yadda ya kamata yana haɗuwa da fa'idodin caji na yau da kullun na yau da kullun da cajin wutar lantarki akai-akai, warware hanyar cajin yau da kullun na yau da kullun yana da wahala a cika caji daidai, guje wa tsarin cajin wutar lantarki akai-akai a cikin cajin farkon matakin na yanzu shine. yayi girma sosai don baturin ya haifar da tasirin aikin baturin, mai sauƙi da dacewa.

3. Yanayin aiki

Ayyukan batirin lithium na hasken rana zai ragu sosai a ƙarƙashin matsanancin zafin jiki da yawan fitarwa. Wannan shi ne saboda baturin lithium-ion a cikin yanayin zafi mai zafi da kuma amfani da shi a halin yanzu, zai haifar da kayan aiki na cathode da kuma lalata electrolyte, wanda shine tsarin exothermic, ɗan gajeren lokaci, kamar sakin zafi zai iya haifar da baturin kansa. zafin jiki yana ƙaruwa, kuma mafi girman yanayin zafi yana haɓaka al'amarin bazuwar, samuwar muguwar da'irar, saurin ruɓewar baturi don ƙara raguwar aiki. Don haka, idan ba a sarrafa fakitin baturi yadda ya kamata ba, zai kawo asarar aiki mara jurewa.

Zane-zanen batirin lithium na hasken rana da kuma amfani da bambance-bambancen muhalli zai haifar da yanayin zafi na tantanin halitta ɗaya bai daidaita ba. Kamar yadda dokar Arrhenius ta nuna, ƙimar amsawar lantarki ta baturi yana da alaƙa sosai da digiri, kuma halayen lantarki na baturin sun bambanta a yanayin zafi daban-daban. Zazzabi yana rinjayar aikin tsarin lantarki na baturi, ingancin Coulombic, caji da iyawar caji, ikon fitarwa, iyawa, aminci, da rayuwar zagayowar. A halin yanzu, ana gudanar da babban bincike don ƙididdige tasirin zafin jiki akan rashin daidaituwar fakitin baturi.

4. Baturi waje kewaye

Haɗin kai

A cikin akasuwanci makamashi ajiya tsarin, Lithium solar baturi za a harhada a jeri da kuma a layi daya, don haka za a yi da yawa haɗa da'irori da iko abubuwa tsakanin batura da modules. Saboda ayyuka daban-daban da adadin tsufa na kowane memba ko bangaren tsarin, da kuma rashin daidaituwar kuzarin da ake cinyewa a kowane wurin haɗi, na'urori daban-daban suna da tasiri daban-daban akan baturin, yana haifar da tsarin fakitin baturi mara daidaituwa. Rashin daidaituwa a cikin ƙimar lalacewar baturi a cikin layi ɗaya na iya haɓaka lalacewar tsarin.

Connection yanki impedance kuma zai yi tasiri a kan rashin daidaito na baturi fakitin, haɗin haɗin juriya ba iri ɗaya ba ne, sandar zuwa ga juriya na reshen cell guda ɗaya ya bambanta, nesa da sandar baturin saboda haɗin haɗin. ya fi tsayi kuma juriya ya fi girma, halin yanzu ya fi ƙanƙanta, haɗin haɗin haɗin zai sa guda ɗaya tantanin halitta da aka haɗa zuwa sandar zai zama farkon wanda zai kai ga yanke-kashe ƙarfin lantarki, wanda ya haifar da raguwa a cikin amfani da makamashi, yana rinjayar aikin aikin. baturi, kuma tsufan tantanin halitta guda kafin lokaci zai haifar da cajin baturin da aka haɗa, yana haifar da aminci da tsaro na baturin. Farkon tsufa na tantanin halitta guda ɗaya zai haifar da cajin baturin da aka haɗa da shi, yana haifar da haɗarin aminci.

Yayin da adadin hawan baturi ya karu, zai haifar da juriya na ciki na ohmic don karuwa, raguwar iya aiki, da rabon juriya na ciki na ohmic zuwa ƙimar juriya na yanki mai haɗawa zai canza. Don tabbatar da amincin tsarin, dole ne a yi la'akari da tasirin juriya na haɗin haɗin gwiwa.

BMS Input Circuitry

Tsarin sarrafa baturi (BMS) shine garantin aiki na yau da kullun na fakitin baturi, amma da'irar shigar da BMS za ta yi illa ga daidaiton baturi. Hanyoyin saka idanu na baturi sun haɗa da madaidaicin mai rarraba wutar lantarki, haɗaɗɗen samfurin guntu, da dai sauransu. Waɗannan hanyoyin ba za su iya guje wa yin amfani da layin kashe kaya na yanzu ba saboda kasancewar resistor da hanyoyin hukumar da'ira, kuma tsarin sarrafa baturi irin ƙarfin lantarki samfurin shigar da shigar zai ƙara haɓakawa rashin daidaiton yanayin cajin baturi (SOC) kuma yana shafar aikin fakitin baturi.

5. Kuskuren kimanta SOC

Rashin daidaituwa na SOC yana faruwa ne ta hanyar rashin daidaituwa na iyawar ƙididdiga na farko na tantanin halitta guda ɗaya da rashin daidaituwa na ƙimar iyawar ƙima na ƙwayar tantanin halitta yayin aiki. Don da'irar layi ɗaya, bambancin juriya na ciki na tantanin halitta ɗaya zai haifar da rarrabawar yanzu mara daidaituwa, wanda zai haifar da rashin daidaituwa na SOC. Algorithms na SOC sun haɗa da hanyar haɗin kai na lokacin ampere, hanyar wutar lantarki mai buɗewa, Hanyar tace Kalman, hanyar hanyar sadarwa ta jijiyoyi, hanyar dabara mai ban mamaki, da hanyar gwajin fitarwa, da dai sauransu. Kuskuren ƙididdigewar SOC ya samo asali ne saboda rashin daidaituwar ƙarfin ƙima na farko na tantanin halitta ɗaya. da rashin daidaiton adadin ruɓewar iya aiki na ƙididdiga na tantanin halitta ɗaya yayin aiki.

Hanyar haɗin ampere-lokaci tana da mafi kyawun daidaito lokacin da SOC na yanayin cajin farawa ya fi dacewa, amma ingancin Coulombic yana tasiri sosai ta yanayin caji, zafin jiki da halin yanzu na baturi, wanda ke da wuya a auna daidai, don haka. yana da wahala ga hanyar haɗin kai-lokacin ampere don saduwa da daidaitattun buƙatun don kimanta yanayin cajin. Hanyar wutar lantarki mai buɗewa Bayan dogon lokacin hutu, buɗaɗɗen wutar lantarki na baturi yana da ƙayyadaddun alaƙar aiki tare da SOC, kuma ana samun ƙimar ƙimar SOC ta hanyar auna ƙarfin wutar lantarki. Hanyar wutar lantarki mai buɗewa tana da fa'idar ƙimar ƙimar ƙima, amma rashin amfanin dogon lokacin hutu kuma yana iyakance amfani da shi.

Yaya Ake Haɓaka Dacewar Batirin Solar Lithium?

Inganta daidaiton batirin lithium na hasken rana a cikin tsarin samarwa:

Kafin samar da fakitin batirin lithium na hasken rana, ya zama dole a ware batir phosphate na lithium baƙin ƙarfe don tabbatar da cewa sel guda ɗaya a cikin module ɗin suna amfani da ƙayyadaddun ƙayyadaddun kayan aiki da samfura, da kuma gwada ƙarfin lantarki, ƙarfin aiki, juriya na ciki, da sauransu na sel guda ɗaya zuwa tabbatar da daidaiton aikin farko na fakitin batirin lithium na hasken rana.

Gudanar da amfani da tsarin kulawa

Saka idanu na ainihi na baturi ta amfani da BMS:Ana iya ganin sa ido na ainihi na baturi yayin tsarin amfani a ainihin lokacin zuwa daidaiton tsarin amfani. Yi ƙoƙarin tabbatar da cewa yanayin zafin aiki na batirin lithium na hasken rana yana cikin kewayon mafi kyaun, amma kuma yi ƙoƙarin tabbatar da daidaiton yanayin zafin jiki tsakanin batura, ta yadda za a tabbatar da daidaiton aiki tsakanin batura.

Ɗauki dabarar sarrafawa mai ma'ana:Rage zurfin fitar da baturi gwargwadon iko lokacin da aka ba da izinin fitarwa, a cikin BSLBATT, batir lithium na hasken rana galibi ana saita su zuwa zurfin fitarwa wanda bai wuce 90% ba. A lokaci guda, guje wa cajin baturi fiye da kima na iya tsawaita rayuwar fakitin baturi. Ƙarfafa kiyaye fakitin baturi. Yi cajin fakitin baturi tare da ƙaramin kulawa na yanzu a wasu tazara, kuma kula da tsaftacewa.

Ƙarshe

Abubuwan da ke haifar da rashin daidaituwar baturi sun fi yawa a cikin bangarori biyu na kera baturi da amfani da su, rashin daidaiton fakitin batirin Li-ion yakan sa batirin ajiyar makamashi ya yi saurin lalacewa da raguwar tsawon rayuwa yayin aikin hawan keke, don haka yana da matukar wahala. mahimmanci don tabbatar da daidaiton batir lithium na hasken rana.

Hakazalika, yana da matukar mahimmanci a zaɓi ƙwararrun masana'antun batirin lithium na hasken rana da masu kaya,BSLBATTza su gwada ƙarfin lantarki, ƙarfin aiki, juriya na ciki da sauran nau'o'in kowane baturi na LiFePO4 kafin kowane samarwa, kuma ya kiyaye kowane baturin lithium na rana tare da babban daidaituwa ta hanyar sarrafa shi a cikin tsarin samarwa. Idan kuna sha'awar samfuran ajiyar makamashinmu, tuntuɓe mu don mafi kyawun farashin dila.