Batire ya Lithium ion imatanthawuza batire yachiwiri yomwe Li+ yophatikizidwa ndi yabwino komanso yoyipa.
Lithium mankhwala LiXCoO2, LiXNiO2 kapena LiXMnO2 amagwiritsidwa ntchito mu electrode yabwino.
Lithium - carbon interlaminar pawiri LiXC6 ntchito mu elekitirodi negative.
Electrolyte imasungunuka ndi mchere wa lithiamu LiPF6, LiAsF6 ndi njira zina za organic.
Pakuthamangitsa ndi kutulutsa, Li + imayikidwa ndikuyimitsidwa mmbuyo ndi mtsogolo pakati pa ma electrode awiri, omwe amadziwika bwino kuti "rocking chair battery".Powonjezera batire, Li + imachotsedwa ku electrode yabwino ndikulowetsedwa mu electrode yolakwika kudzera mu electrolyte, yomwe ili mu lithiamu-rich state.Chosiyana ndi chowona pamene mukutulutsa.
Ndipo mtundu wa batri la asidi-lead ndi: mphamvu yamankhwala kukhala chipangizo chamagetsi chamagetsi chotchedwa chemical battery, chomwe chimatchedwa batire la lead-acid.Pambuyo pa kukhetsa, ikhoza kubwezeretsedwanso kuti ipangitsenso zinthu zomwe zimagwira mkati - kusunga mphamvu zamagetsi monga mphamvu zamagetsi;Mphamvu yamankhwala imasinthidwa kukhala mphamvu yamagetsi kachiwiri pamene kutulutsa kumafunika.Mabatirewa amatchedwa mabatire osungira, omwe amadziwikanso kuti mabatire achiwiri.Zomwe zimatchedwa lead-acid batire ndi mtundu wa zida za electrochemical zomwe zimasunga mphamvu zamagetsi ndikutulutsa mphamvu zamagetsi pakafunika.
2, chitetezo ntchito ndi osiyana
Batri ya lithiamu:
Lifiyamu batire ku cathode zinthu bata ndi odalirika mamangidwe chitetezo, lithiamu chitsulo mankwala batire wakhala okhwima chitetezo mayeso, ngakhale kugunda zachiwawa sizidzaphulika, lithiamu chitsulo mankwala bata matenthedwe ndi mkulu, electrolytic madzi mpweya mphamvu ndi otsika, choncho mkulu chitetezo.(Koma chigawo chachifupi kapena chosweka chamkati chingayambitse moto kapena kuphulika)
Mabatire a lead-acid:
Mabatire a lead-acid amatha kutulutsa mpweya panthawi yolipiritsa ndikutulutsa kapena kugwiritsa ntchito.Ngati dzenje la utsi litatsekedwa, zingayambitse kuphulika kwa gwero la mpweya wotulutsa mpweya.Madzi amkati ndi sputtering electrolyte (dilute sulfuric acid), yomwe ndi madzi owononga, owononga zinthu zambiri, ndipo gasi wopangidwa polipira adzaphulika.
3. Mitengo yosiyana
Batri ya lithiamu:
Mabatire a lithiamu ndi okwera mtengo.Mabatire a lithiamu ndi okwera mtengo kwambiri kuwirikiza katatu kuposa mabatire a asidi otsogolera.Kuphatikizidwa ndi kusanthula kwa moyo wautumiki, mtengo womwewo wa ndalama ukadali moyo wautali wa mabatire a lithiamu.
Mabatire a lead-acid:
Mtengo wa batire la lead-acid umachokera ku ma yuan mazana angapo mpaka masauzande angapo, ndipo mtengo wa wopanga aliyense ndi wofanana.
4, chitetezo chachilengedwe chobiriwira chosiyana
Zinthu za batri ya lithiamu popanda zinthu zapoizoni komanso zovulaza, zimawonedwa ngati batire yobiriwira yoteteza zachilengedwe padziko lapansi, batire ilibe zowononga popanga komanso kugwiritsa ntchito, mogwirizana ndi malamulo aku Europe a RoHS, batire yoteteza zachilengedwe yobiriwira.
Pali mtovu wochuluka m’mabatire a asidi amtovu, amene angawononge chilengedwe ngati atatayidwa mosayenera.
5. Moyo wozungulira wautumiki
Mabatire a lithiamu-ion amakhala nthawi yayitali kuposa mabatire a lead-acid.Nambala yozungulira ya batri ya lithiamu nthawi zambiri imakhala nthawi 2000-3000.
Mabatire a lead-acid amakhala ndi kuzungulira kwa 300-500.
6. Kulemera kwa mphamvu yamagetsi
Kuchulukana kwamphamvu kwa batire ya lithiamu nthawi zambiri kumakhala 200 ~ 260Wh / g, ndipo batri ya lithiamu ndi 3 ~ 5 nthawi ya acid acid, zomwe zikutanthauza kuti batire ya asidi ya lead ndi 3 ~ 5 nthawi ya batri ya lithiamu yokhala ndi mphamvu yofanana. .Chifukwa chake, batire ya lithiamu imakhala ndi mwayi wokwanira pakulemera kwa chipangizo chosungira mphamvu.
Mabatire a asidi a lead nthawi zambiri amakhala kuyambira 50 wh/g kufika 70wh/g, okhala ndi mphamvu zochepa komanso amakhala ochulukira.
7. Mphamvu ya voliyumu
Mabatire a lithiamu-ion kaŵirikaŵiri amakhala ndi mphamvu ya voliyumu pafupifupi kuŵirikiza ka 1.5 kuposa mabatire a asidi wa mtovu, motero amakhala aang’ono pafupifupi 30 peresenti kuposa mabatire a asidi amtovu a mphamvu yofanana.
8. Mitundu yosiyanasiyana ya kutentha
Kutentha kwa lithiamu batire ndi -20-60 digiri Celsius, ndi nsonga matenthedwe a lithiamu chitsulo mankwala batire akhoza kufika 350 ~ 500 madigiri Celsius, ndipo akadali kumasula 100% mphamvu pa kutentha kwambiri.
Kutentha kwanthawi zonse kwa batire ya acid acid ndi -5 mpaka 45 digiri Celsius.Pakuchepa kwa 1 digiri pa kutentha, mphamvu ya batire imachepa ndi pafupifupi 0.8 peresenti.
7. Mphamvu ya voliyumu
Mabatire a lithiamu-ion kaŵirikaŵiri amakhala ndi mphamvu ya voliyumu pafupifupi kuŵirikiza ka 1.5 kuposa mabatire a asidi wa mtovu, motero amakhala aang’ono pafupifupi 30 peresenti kuposa mabatire a asidi amtovu a mphamvu yofanana.
8. Mitundu yosiyanasiyana ya kutentha
Kutentha kwa lithiamu batire ndi -20-60 digiri Celsius, ndi nsonga matenthedwe a lithiamu chitsulo mankwala batire akhoza kufika 350 ~ 500 madigiri Celsius, ndipo akadali kumasula 100% mphamvu pa kutentha kwambiri.
Kutentha kwanthawi zonse kwa batire ya acid acid ndi -5 mpaka 45 digiri Celsius.Pakuchepa kwa 1 digiri pa kutentha, mphamvu ya batire imachepa ndi pafupifupi 0.8 peresenti.
Nthawi yotumiza: Apr-18-2022