Intshayelelo:
Oko wangena kwimarike,iibhetri ze-lithiumzisetyenziswe ngokubanzi kwiinzuzo zazo ezifana nobomi obude, umthamo omkhulu, kwaye akukho siphumo sokukhumbula. Xa isetyenziswe kumaqondo okushisa aphantsi, iibhetri ze-lithium-ion zineengxaki ezifana nomthamo ophantsi, ukunyanzeliswa okukhulu, ukungasebenzi kakuhle komjikelo wokujikeleza, i-lithium precipitation ebonakalayo, kunye nokufakwa kwe-lithium engalinganiyo kunye nokukhutshwa. Nangona kunjalo, njengoko intsimi yesicelo iqhubeka isanda, izithintelo eziziswa yintsebenzo ephantsi yobushushu obuphantsi beebhetri ze-lithium-ion ziya zibonakala ngakumbi. Makhe sihlolisise izizathu kwaye sichaze indlela yokuphatha iibhetri ze-lithium ngokuchanekileyo ebusika?
Ingxoxo kwizinto ezichaphazela ukusebenza kobushushu obuphantsi beebhetri ze-lithium
1. Impembelelo ye-Electrolyte
I-electrolyte inempembelelo enkulu ekusebenzeni okuphantsi kobushushu beiibhetri ze-lithium. Ukubunjwa kunye neempawu ze-physicochemical ze-electrolyte zinempembelelo ebalulekileyo ekusebenzeni okuphantsi kobushushu bebhetri. Ingxaki ejongene nomjikelo webhetri kwiqondo lokushisa eliphantsi kukuba i-viscosity ye-electrolyte iya kwanda, isantya sokuqhuba i-ion siya kuthotha, okubangele ukungahambi kakuhle kwisantya sokufuduka kwe-electron yesiphaluka sangaphandle, ngoko ibhetri iya kuba yipolarized kakhulu kwaye umrhumo kunye nomthamo wokukhupha uya kuhla ngokukhawuleza. Ngokukodwa xa utshaja kubushushu obuphantsi, i-lithium ion inokwenza lula i-lithium dendrites kumphezulu we-electrode engalunganga, ibangele ukusilela kwebhetri.
2. Impembelelo yezinto ezimbi ze-electrode
- I-polarization yebhetri inzulu ngexesha lobushushu obuphantsi bokutshaja kunye nokukhupha, kwaye inani elikhulu le-lithium yensimbi ifakwe kumphezulu we-electrode engalunganga. Imveliso yokusabela ye-metallic lithium kunye ne-electrolyte ngokuqhelekileyo ayiqhubeki;
- Ukusuka kwindawo yokujonga i-thermodynamic, i-electrolyte iqulethe inani elikhulu lamaqela e-polar afana ne-CO kunye ne-CN, enokuthi iphendule ngezinto ezimbi ze-electrode, kunye nefilimu ye-SEI eyenziwe iyancipha ngakumbi kwiqondo lokushisa eliphantsi;
- Kunzima ukuba i-carbon negative electrode ifake i-lithium kwiqondo lokushisa eliphantsi, kwaye kukho i-asymmetry ekutshajani nasekukhupheni.
Indlela yokuphatha iibhetri ze-lithium ngokuchanekileyo ebusika?
1. Musa ukusebenzisa iibhetri ze-lithium kwiindawo eziphantsi kweqondo lokushisa
Ubushushu bunempembelelo enkulu kwiibhetri ze-lithium. Iqondo lokushisa eliphantsi, liphantsi komsebenzi weebhetri ze-lithium, ezikhokelela ngokuthe ngqo ekunciphiseni okuphawulekayo kokutshaja kunye nokukhupha ukusebenza kakuhle. Ngokuqhelekileyo, ubushushu bokusebenza kweiibhetri ze-lithiumiphakathi kwama-20 degrees kunye nama-60 degrees.
Xa ubushushu bungaphantsi kwe-0℃, lumka ungahlawulisi ngaphandle. Singathatha ibhetri ngaphakathi kwindlu ukuze sishaje (qaphela, qiniseka ukuba uhlala kude nezinto ezinokutsha !!!). Xa ubushushu bungaphantsi kwe-20℃, ibhetri iya kungena ngokuzenzekelayo kwindawo yokulala kwaye ayinakusetyenziswa ngokuqhelekileyo.
Ngoko ke, ngokukodwa kubasebenzisi abakwiindawo ezibandayo emantla, ukuba ngokwenene akukho meko yokutshaja yangaphakathi, sebenzisa ngokupheleleyo ubushushu obushiyekileyo xa ibhetri ikhutshwa, kwaye uyihlawulise elangeni ngokukhawuleza emva kokupaka ukunyusa isixa sokutshaja kwaye unqande imvula ye-lithium.
2. Khulisa umkhwa wokutshaja njengoko uyisebenzisa
Ebusika, xa amandla ebhetri ephantsi kakhulu, kufuneka siyibize ngexesha kwaye siphuhlise umkhwa olungileyo wokutshaja njengoko uyisebenzisa. Khumbula, ungaze uqikelele amandla ebhetri ebusika ngokobomi bebhetri obuqhelekileyo.
Ebusika, umsebenzi weiibhetri ze-lithiumkuncipha, okunokubangela lula ukukhupha ngaphezulu kunye nokutshaja kakhulu, okunokuchaphazela ubomi bebhetri okanye kude kubangele iingozi zokutsha. Ngoko ke, ebusika, kufuneka uhlawule ngakumbi ukuhlawula ngokukhutshwa okuncinci kunye neendleko ezincinci. Ngokukodwa, musa ukupaka isithuthi ixesha elide ngelixa utshaja ukunqanda ukutshaja.
3. Ungahlali kude xa utshaja. Khumbula ukuba ungahlawulisi ixesha elide.
Musa ukubiza isithuthi ixesha elide ukwenzela ukuba kube lula. Yikhuphe nje iplagi xa igcwaliswe ngokupheleleyo. Indawo yokutshaja ebusika akufunekanga ibe ngaphantsi kwe-0℃. Xa utshaja, musa ukushiya kude kakhulu ukukhusela iimeko ezingxamisekileyo kwaye ujongane nazo kwangethuba.
4. Sebenzisa itshaja ezinikeleyo kwiibhetri ze-lithium xa utshaja.
Imarike igcwele iitshaja ezikumgangatho ophantsi. Ukusebenzisa iitshaja ezikumgangatho ophantsi kuya kubangela umonakalo webhetri kwaye kubangele nemililo. Musa ukuthenga iimveliso ezinexabiso eliphantsi nezingakhuselekanga ngexabiso eliphantsi, singasathethi ke ngokusebenzisa iitshaja zebhetri ezineasidi; ukuba itshaja yakho ayinakusetyenziswa ngokuqhelekileyo, yeka ukuyisebenzisa ngoko nangoko, kwaye ungaphulukani nomfanekiso omkhulu omncinane.
5. Nika ingqalelo kubomi bebhetri kwaye uyibuyisele ngexesha
Iibhetri zeLithiumube nexesha lokuphila. Iimpawu ezahlukeneyo kunye neemodeli zinobomi obahlukeneyo. Ukongeza, ngenxa yokusetyenziswa ngokungafanelekanga kwemihla ngemihla, ubomi bebhetri busukela kwiinyanga ezimbalwa ukuya kwiminyaka emithathu. Ukuba imoto ilahlekelwa amandla okanye ubomi bebhetri bufutshane ngokungaqhelekanga, nceda uqhagamshelane nabasebenzi bokugcinwa kwebhetri ye-lithium ngexesha lokuyiphatha.
6. Shiya amandla athile ebusika
Ukuze usebenzise isithuthi ngokuqhelekileyo entwasahlobo yonyaka ozayo, ukuba ibhetri ayisetyenziswanga ixesha elide, khumbula ukuyihlawula kwi-50% -80%, uyisuse kwimoto yokugcina, kwaye uyihlawule rhoqo, malunga kanye ngenyanga. Qaphela: Ibhetri kufuneka igcinwe kwindawo eyomileyo.
7. Beka ibhetri ngokuchanekileyo
Musa ukuntywilisela ibhetri emanzini okanye uyenze ibemanzi; musa ukupakisha ibhetri ngaphezulu kweeleya ezisi-7, okanye ujike kwicala lebhetri.
Ukuqukumbela
Kwi-20 ℃, amandla okukhutshwa kweebhetri ze-lithium-ion kuphela malunga ne-31.5% yaloo bushushu begumbi. Ubushushu bokusebenza kweebhetri ze-lithium-ion zemveli ziphakathi kwe -20 kunye +55 ℃. Nangona kunjalo, kwimimandla ye-aerospace, imboni yomkhosi, izithuthi zombane, njl., iibhetri kufuneka zisebenze ngokuqhelekileyo kwi-40 ℃. Ngoko ke, ukuphucula iimpawu ezisezantsi zokushisa kweebhetri ze-lithium-ion zibaluleke kakhulu. Ngokuqinisekileyo, iibhetri ye-lithiumishishini lihlala liphuhla, kwaye izazinzulu ziyaqhubeka nokufunda iibhetri ze-lithium ezinokuthi zisetyenziswe kumaqondo obushushu aphantsi ukusombulula iingxaki kubathengi.
I-Heltec Energy liqabane lakho elithembekileyo kwimveliso yeebhetri. Ngokujolisa kwethu okungapheliyo kuphando kunye nophuhliso, kunye noluhlu lwethu olubanzi lwezincedisi zebhetri, sinikezela ngezisombululo zokuphela konyaka ukuhlangabezana neemfuno eziguqukayo zeshishini. Sinokwenza ngokwezifiso iibhetri ze-lithium kwiimeko ezahlukeneyo kubathengi. Ukuba ufuna ukuphucula ibhetri yakho ye-lithium okanye ulungiselele ibhodi yokukhusela, nceda uqhagamshelane nathi.
Ukuba unayo nayiphi na imibuzo okanye ungathanda ukufunda ngakumbi, nceda ungalibazisifikelela kuthi.
Isicelo seNtelekelelo yeendleko:
UJacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538
Sucre:sucre@heltec-bms.com/ +86 136 8844 2313
Nancy:nancy@heltec-bms.com/ +86 184 8223 7713
Ixesha lokuposa: Oct-09-2024