1. Gabatarwa zuwa baturin lithium-ion
1.1 Jihar Caji (SOC)
Ana iya bayyana halin caji azaman yanayin samar da wutar lantarki a cikin baturi, yawanci ana bayyana shi azaman kashi.Saboda ƙarfin wutar lantarki da ake samu ya bambanta da caji da fitarwa na halin yanzu, yanayin zafi da yanayin tsufa, ma'anar yanayin cajin kuma an kasu kashi biyu: Cikakkar Jiha-Of-Cajin (ASOC) da Dangin Jihar-Ciki (RSOC) .
Gabaɗaya, kewayon yanayin cajin shine 0% - 100%, yayin da shine 100% lokacin da baturi ya cika da kuma 0% lokacin da ya cika cikakke.Cikakken yanayin caji shine ƙimar tunani da aka lasafta bisa ga ƙayyadaddun ƙimar iya aiki da aka ƙera lokacin da aka kera baturi.Cikakken yanayin cajin sabon cikakken baturi shine 100%;Ko da batirin tsufa ya cika cikakke, ba zai iya kaiwa 100% ƙarƙashin yanayi daban-daban na caji da caji ba.
Hoto na gaba yana nuna alaƙar ƙarfin lantarki da ƙarfin baturi a ƙimar fitarwa daban-daban.Mafi girman adadin fitarwa, ƙananan ƙarfin baturi.Lokacin da zafin jiki yayi ƙasa, ƙarfin baturi shima zai ragu.
Hoto 1. Dangantaka tsakanin ƙarfin lantarki da iya aiki a ƙarƙashin ƙimar fitarwa daban-daban da yanayin zafi
1.2 Max Cajin Wutar Lantarki
Matsakaicin ƙarfin caji yana da alaƙa da sinadarai da halayen baturin.Cajin ƙarfin baturi na lithium yawanci 4.2V da 4.35V, kuma ƙimar ƙarfin lantarki na kayan cathode da anode zasu bambanta.
1.3 Cikakken Cajin
Lokacin da bambanci tsakanin ƙarfin baturi da matsakaicin ƙarfin caji bai wuce 100mV ba kuma ana rage cajin halin yanzu zuwa C/10, ana iya ɗaukar baturin a matsayin cikakken caji.Cikakken yanayin caji ya bambanta da halayen baturin.
Hoton da ke ƙasa yana nuna nau'in cajin baturin lithium na yau da kullun.Lokacin da ƙarfin baturi yayi daidai da matsakaicin ƙarfin caji kuma ana rage cajin halin yanzu zuwa C/10, ana ganin baturin ya cika cikakke.
Hoto 2. Siffar lanƙwasa tana cajin baturin lithium
1.4 Mafi ƙarancin wutar lantarki
Za'a iya siffanta mafi ƙarancin wutar lantarki ta hanyar yanke wutan fitarwa, wanda yawanci shine ƙarfin lokacin da yanayin cajin ya kasance 0%.Wannan ƙimar wutar lantarki ba ƙayyadadden ƙima ba ce, amma tana canzawa tare da kaya, zafin jiki, digirin tsufa ko wasu dalilai.
1.5 Cikakkun Ciki
Lokacin da ƙarfin baturi ya yi ƙasa da ko daidai da ƙaramin ƙarfin fitarwa, ana iya kiran shi cikakken fitarwa.
1.6 Yawan caji da fitarwa (C-Rate)
Matsakaicin caje-jini wakilcin cajin-haɗin halin yanzu dangane da ƙarfin baturi.Misali, idan kayi amfani da 1C don fitarwa na awa daya, da kyau, baturin zai fita gaba daya.Adadin caji daban-daban zai haifar da ƙarfin amfani daban-daban.Gabaɗaya, mafi girman adadin cajin-haɗin, ƙaramin ƙarfin da ake samu.
1.7 Rayuwar zagayowar
Adadin zagayowar yana nufin adadin cikakken caji da fitarwa na baturi, wanda za'a iya ƙididdige shi ta ainihin ƙarfin fitarwa da ƙarfin ƙira.Lokacin da ƙarfin fitarwa da aka tara yayi daidai da ƙarfin ƙira, adadin zagayowar zai zama ɗaya.Gabaɗaya, bayan zagayowar caji 500, ƙarfin cikakken cajin baturi zai ragu da 10% ~ 20%.
Hoto 3. Dangantaka tsakanin lokutan zagayowar da ƙarfin baturi
1.8 Fitar da kai
Fitar da kai na duk batura zai karu tare da karuwar zafin jiki.Fitar da kai a zahiri ba lahani bane na masana'anta, amma halayen baturin kanta.Duk da haka, rashin dacewa a cikin tsarin masana'antu kuma zai haifar da karuwar zubar da kai.Gabaɗaya, adadin fitar da kai zai ninka sau biyu lokacin da zafin baturi ya ƙaru da 10 ° C. Ƙarfin fitar da kai na batir lithium-ion shine kusan 1-2% a kowane wata, yayin da na daban-daban na tushen nickel shine 10- 15% a kowane wata.
Hoto 4. Ayyukan fitar da kai na batirin lithium a yanayin zafi daban-daban
Lokacin aikawa: Fabrairu-07-2023