Na sayi BMW i3 94 Ah mai amfani. Wannan lalacewar baturi ne bayan shekaru 3 - maye gurbin baturi bayan 2039 :) [Mai karatu]

BMW kawai sun yi fahariya cewa sun yi 200 3 i2s. Mota da aka saya sabuwa tana da tsada, amma a kasuwa ta sakandare za ka iya samun motoci kaɗan bayan hayar shekara 5 waɗanda ke da ƙarancin nisan miloli da farashi mai kyau. Wannan ita ce samfurin da Mai karatunmu ya zaɓa - kuma yanzu ya yanke shawarar bincika lalacewar baturin a cikin kwafinsa.

An haɗa rubutu mai zuwa daga kayan da aka aika ga edita kuma ya ƙunshi gabatarwar edita game da nau'ikan BMW i3.

Tabarbarewar rayuwar batir a cikin BMW i3 da aka yi amfani da shi

Abubuwan da ke ciki

• Tabarbarewar rayuwar batir a cikin BMW i3 da aka yi amfani da shi
  • Rushewar baturi a BMW i3 - hanyoyi daban-daban da ƙididdiga
  • Ƙarshe: lalacewa ta kashi 4-5, maye gurbin baturi bai wuce 2040 ba.

A matsayin tunatarwa: BMW i3 motar ce ta aji B/B-SUV, tana samuwa a cikin nau'ikan da ke da sel masu ƙarfin 60, 94 da 120 Ah, wato, tare da batura masu ƙarfin.

• 19,4 (21,6) kWh - 60 Ah (ƙarni na farko BMW i3),
• 27,2-29,9 (33,2) kWh - 94 Ah (siffar fuska),
• 37,5-39,8 (42,2) kWh - 120 Ah (zaɓi a halin yanzu ana sayarwa).

Ƙididdiga masu amfani sun bambanta saboda masana'anta ba su samar da su ba, kuma akwai bayanai da yawa da ke fitowa daga kasuwa.

Ƙayyadaddun tantanin halitta na Samsung SDI 94 Ah wanda aka haɗa a cikin baturin BMW i3. Nemo raka'a tare da kurakurai 🙂 (c) Samsung SDI

Mai karatunmu ya zaɓi sigar tsakiya tare da batir ~ 29,9 (33,2) kWh, wanda aka tsara azaman 94 Ah. Yau Motarsa ​​tana da shekaru 3 da gudu sama da kilomita 100..

> An yi amfani da BMW i3 daga Jamus, ko hanyara zuwa motsin lantarki - Sashe na 1/2 [Czytelnik Tomek]

Rushewar baturi a BMW i3 - hanyoyi daban-daban da ƙididdiga

Don duba faɗuwar ƙarfin baturi, Ina buƙatar sanin ƙarfin ƙima da na yanzu. Na san na farko (29,9 kWh), na biyu wanda zan iya gwadawa da hanyoyi daban-daban.

Lambar Hanyar 1. Na yi cajin mota cikakke kuma na yi tafiyar kilomita 210 ta amfani da kashi 92 na makamashi. Matsakaicin amfani shine 12,6 kWh / 100 km (126 Wh / km), matsakaicin gudun shine 79 km / h. Tunda na tuka kilomita 92 akan baturi 210%, zai zama 228,3 km akan cikakken baturi.

Dangane da wannan, yana da sauƙin ƙididdige cewa ƙarfin baturi da ke akwai shine 28,76 kWh. Yana yi 3,8 bisa dari (1,14 kWh) ko asarar kewayo na kilomita 9.

Hanyar No.2. Wannan hanya ta fi sauƙi. Maimakon tuƙi, kawai shigar da menu na sabis na BMW i3 kuma duba halin da BMS ɗin abin hawa ya ruwaito - tsarin sarrafa baturi. A gare ni shi ne 28,3 kWh. Idan aka kwatanta da bayanan masana'anta (29,9 kWh) rasa 1,6 kWh, 5,4% iko, wanda ya kai kimanin kilomita 12,7.

Hanyar No.3. Hanya ta uku ita ce amfani da wasu nau'ikan aikace-aikacen da ke haɗa mota ta hanyar haɗin OBD II. Domin BMW i3, wannan app ne Electrified. Ma'aunin yanayin kiwon lafiya (SOH) shine 90 bisa dari, yana nuna hakan motar ta yi asarar kashi 10 cikin XNUMX na karfinta na asali.

Daga ina waɗannan dabi'u suka fito? Da wuya a ce. Wataƙila mai haɓaka aikace-aikacen ya ɗauki matsakaicin ƙima a matsayin mafari kuma ya ƙara zuwa ga lalacewa tsawon lokacin samuwar Layer passivation (SEI), wanda ba za a iya kauce masa ba kuma wanda a farkon “ci” har ma da 'yan kilowatt-hours. ... Daga halaye na fasaha na abubuwan (hoton farko a cikin rubutu), zamu iya lissafta cikin sauƙi cewa matsakaicin ƙarfin baturi na BMW i3 shine. Kwayoyin 96 x 95,6 Ah matsakaicin ƙarfin x 4,15 V ƙarfin lantarki a cikakken caji = 38,1 kWh (!).

BMW yana ba da 33 kWh kawai, saboda yana amfani da ƙananan buffer (watau ba ya ƙyale sel su fita har zuwa ƙarshe), kuma yana tunawa da tsarin ƙirƙirar Layer passivation.

> Jimlar ƙarfin baturi da ƙarfin baturi mai amfani - menene game da shi? [ZAMU AMSA]

Hakanan yana iya zama ana la'akari da ƙarfin a cikin ma'aunin SOH na aikace-aikacen Electrified. Oraz rashin daidaiton ƙarfin lantarki akan sel. A wasu kalmomi, "yanayin lafiya" baya nufin "aikin mutum" na mutum ɗaya.

Ko ta yaya Mun ki amincewa da sakamakon Electrified kamar yadda ba abin dogaro ba ne sosai.aƙalla lokacin tantance lalacewar baturi. Koyaya, zamu iya ɗaukar ƙarfin a Ah (90,7) da aka gani a cikin ƙari kuma mu mayar da shi zuwa ƙayyadaddun tantanin halitta. Dangane da ko mun mayar da hankali kan mafi ƙarancin iya aiki (94 Ah) ko matsakaicin iya aiki (95,6 Ah), asarar wutar lantarki ya kai kashi 3,5 ko kuma kashi 5,1.

Ƙarshe: lalacewa ta kashi 4-5, maye gurbin baturi bai wuce 2040 ba.

Amintattun ma'aunin mu sun nuna cewa tsawon shekaru 3 yana aiki kuma tare da nisan mil 100 lalacewar baturi ya kusan kashi 4-5 cikin ɗari... Wannan yana ba da kusan kilomita 10 ƙarancin kewayon jirgin kowane shekara uku / 100. kilomita na gudu. Na kai kashi 65 cikin 23 na asalin ikon - kofa da ake la'akari da babban matakin lalacewa - lokacin da motar tana da shekaru 780 ko kilomita dubu XNUMX.

Bayan kimanin shekaru 20. Sa'an nan zan buƙaci yin la'akari idan ina maye gurbin baturin, ko watakila zan yi amfani da ƙananan wattage da mafi rauni. 🙂

Menene wannan cin zarafi yayi kama? Ana kula da injin ɗin kamar yadda aka saba, a gida ina cajin ta daga mashin 230 V ko tashar cajin bango (11 kW). A cikin shekara na yi tafiye-tafiye da yawa a kusa da Poland lokacin da nake amfani da tashoshin caji na DC (DC, har zuwa 50 kW). Wataƙila wannan ba shi da alaƙa da rage ƙarfin baturi, amma ina son tuƙi na yanayi kuma wasu lokuta na sauke zuwa matsakaicin 12 kWh / 100 km (120 Wh / km) akan hanyoyi.

Bayan irin wannan tafiya a washegari, motar na iya yin hasashen kewayon kilomita 261 a cikin yanayin Eco Pro:

Bayanin edita www.elektrowoz.pl: Kwayoyin lithium-ion da ake sarrafa su galibi suna tsufa a hankali (a kan layi). Koyaya, yana iya faruwa cewa ɗayan ya gaza da sauri fiye da ɗayan, sannan BMS a zahiri zai ba da rahoton matsala tare da baturi. Abin farin ciki, a irin waɗannan lokuta, ya isa a kwance baturin kuma a maye gurbin ɗayan da ya lalace, wanda ya fi arha fiye da maye gurbin gabaɗayan baturi.

Note 2 daga www.elektrowoz.pl editorial office: ga wani binciken iya aiki na Kwayoyin amfani a cikin BMW i3 da manufacturer na wadannan Kwayoyin, Samsung SDI. Kuna iya ganin cewa sel suna rasa iya aiki a layi don aƙalla farkon zagayowar 1,5k. Wannan yana goyan bayan bayanan kasuwa, sabili da haka mun ji cewa zato na raguwar raguwa a iya aiki yana da ma'ana. Rayuwar da aka auna a cikin cikakken zagayowar aiki guda 4 yana cikin kyakkyawar yarjejeniya tare da lissafin mai karatunmu:

Wannan na iya sha'awar ku: