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Kuchengetedzwa kwesimba kwemotokari dzemagetsi kunoitwa sei

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Kuchengetedzwa kwesimba kwemotokari dzemagetsi kunoitwa sei

2024-05-14

Simba rekuchengetedza re mota dzemagetsi dzinofambainonyanya kuwanikwa kuburikidza nemabhatiri. Bhatiri chishandiso chinoshandura simba remakemikari kuita simba remagetsi, iro rinonyanya kuzivikanwa iro riri lithium-ion bhatiri.

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Lithium-ion mabhatiri anoshandiswa mumagetsi emagetsi emagetsi anowanzo kuumbwa nemasero akawanda. Sero rimwe nerimwe rinobatanidzwa neanoparadzanisa akaputirwa nezvinhu zvakanaka uye zvisina kunaka. Iyo cathode zvinhu zvinowanzo shandisa oxides, senge lithium cobalt oxide, lithium manganate, nezvimwewo, uye iyo yakaipa electrode zvinhu zvinowanzo shandisa graphite.

 

Iyo simba rekuchengetedza mabhatiri e-lithium-ion anogona kungokamurwa kuita matanho maviri: kuchaja uye kuburitsa. Pakuchaja, sosi yemagetsi inopfuudza magetsi kuburikidza neiyo yakanaka electrode yebhatiri, zvichiita kuti lithium ions ivhare pakati peiyo yakanaka uye yakaipa electrode. Panguva ino, lithium ions inobvisa kubva kune electrode yakanaka, inotakurwa kune iyo yakaipa electrode kuburikidza neioni mu electrolyte, uye inobatanidzwa mu graphite yezvinhu zvisina kunaka electrode. Panguva imwecheteyo, iyoni yakanaka mu electrolyte mubhatiri inofambisawo kuchengetedza kusarerekera kwemagetsi pakati pemagetsi.

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Kana simba remagetsi rakachengetwa richidiwa, ikozvino inopinda mumudziyo kubva kune electrode isina kunaka, uye lithium ions inofamba zvakasiyana kubva kune electrode yakaipa ichipinda mu electrolyte pakati pemagetsi akanaka uye yodzokera kune yakanaka electrode zvinhu. Munguva iyi, kufamba kwe lithium ions kunokonzera kuyerera kwemagetsi uye kunosunungura simba remagetsi rakachengetwa.

 

Iyo bhatiri rekuchengetedza simba remotokari dzemagetsi dzinodawo kufunga zvimwe zvakakosha zviratidzo, senge bhatiri huwandu uye voltage. Kugona kunoreva simba remagetsi iro lithium-ion bhatiri rinogona kuchengeta nekusunungura, rinowanzoyerwa mumaawa emaampere (Ah). Iyo voltage ndiyo inogona mutsauko weiyo lithium-ion bhatiri remagetsi simba. Kazhinji, DC voltage inoshandiswa, senge 3.7V, 7.4V, nezvimwe.

 

Mumotokari dzemagetsi enhare, kuitira kuti uwane simba rekuchengetedza simba uye kuburitsa, kutsigirwa kwebhatiri manejimendi system (BMS) inodiwa zvakare. BMS chishandiso chine basa rekutarisa uye kugadzirisa bhatiri paki, iyo inogona kuve nechokwadi chekuchengetedza bhatiri, kuwedzera hupenyu hwayo uye kugadzirisa simba remagetsi.

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BMS inonyanya kusanganisira tembiricha sensors, ikozvino sensors, voltage sensors uye control chips. Iyo tembiricha sensor inoshandiswa kutarisa tembiricha yebhatiri paki kudzivirira kupisa kana kuwandisa; iyo sensor yemazuva ano inoshandiswa kuona kubhadharisa uye kuburitsa ikozvino kwebhatiri pack kuti ive nechokwadi chokuti ikozvino iri mukati mehutano hwakachengeteka; iyo voltage sensor inoshandiswa kutarisa voltage yebhatiri paki kuona kuti haina kuwandisa Kana kuwandisa. Iyo control chip ine basa rekuunganidza sensor data uye kutonga uye kutonga bhatiri kuburikidza nealgorithms.


Uye zvakare, kuitira kuti uvandudze simba rekuchengetedza simba re lithium-ion mabhatiri, kutonga kwakaringana kwebhatiri kuchaja uye kubuda kunodiwa zvakare. Semuenzaniso, inogara ichichaja ikozvino uye inogara ichichaja magetsi inogona kushandiswa panguva yekuchaja, uye yekuburitsa ikozvino uye voltage inogona kugadziriswa zvinoenderana nezvinodiwa panguva yekuchaja. Nekudzora zvine musoro kuchaja uye kuburitsa maitiro, simba rekushandura simba rebhatiri rinogona kukwidziridzwa uye hupenyu hwesevhisi hwebhatiri hunogona kuwedzerwa.

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Kazhinji kutaura, kuchengetedza kwesimba kwemotokari dzemagetsi kunowanikwa kuburikidza ne lithium-ion mabhatiri. Aya mabhatiri anochengeta simba remagetsi uye anorisunungura parinodiwa. Kuburikidza nerutsigiro rwebhatiri manejimendi system, kuchengetedzeka uye kuita kwebhatiri kunogona kuve nechokwadi. Panguva imwecheteyo, nekugadzirisa kuchaja uye kuburitsa kudzora, simba rekuchengetedza simba rinogona kuvandudzwa uye hupenyu hwebhatiri hunogona kuwedzerwa. Iko kuenderera mberi kwekusimudzira uye kuvandudzwa kwesimba rekuchengetedza tekinoroji kuchawedzera kusimudzira kusimudzira uye kushandiswa kwenharembozha