Ziyakubuyisela nini iibhetri zeLithium Ion?

battery lithium ion

Isixhobo sakho sife nge-40%. Kwakhona. Okanye mhlawumbi kuya kushushu ngokwaneleyo ukuba uqhotse iqanda ngexesha lentlawulo elula. Ayizozinto ezimbi ezi{4}zezakhoibhetri lithium ionipakethe ekhwaza efuna ukutshintshwa.

Nantsi inyani akukho mntu ufuna ukuyiva: nokuba iiseli ze-lithium zeprimiyamu zithotywa ukusuka kusuku lokuqala. Umbuzo awukho "ukuba" kodwa "nini." Uziphose iimpawu ezilumkisayo, kwaye ungcakaza ngayo yonke into ukusuka kwizixhobo ezenziwe ngezitena ukuya kwiingozi zomlilo ezinokubakho. Ndihlalutye amawaka okusilela kwebhetri kuzo zonke ii-elektroniki zabathengi, ii-EVs, kunye neenkqubo zoshishino. Iipateni zicacile, ziyacingeleka, kwaye ziyathinteleka ngokupheleleyo{4}}ukuba uyazi ukuba ujonge ntoni.

Esi ayisosinye isikhokelo sebhetri yegeneric. Ndiza kukubonisa ezona zalathisi zobugcisa ezahlula ibhetri xa isondela esiphelweni kwenye esele iyingozi. Uya kufunda ukuba kutheni "umthetho weminyaka emi-2-3" yeshishini iphelelwe lixesha, uqonde iindleko ezifihliweyo zokulinda ixesha elide, kwaye ufumanise indlela yokucudisa ubomi obuninzi kutyalo-mali lwakho ngaphambi kokuba ukutshintshwa kungxamiseke.

Impendulo emfutshane

Buyisela ibhetri yakho ye-lithium ion xa uqaphela ukukhutshwa ngokukhawuleza (ukukhupha i-30% + ngokukhawuleza kunomtsha), ixesha lokutshaja elongezelelweyo (i-2x + ubude), ukuvuvukala komzimba, ukufudumala okuqhubekayo ngaphezu kwexesha eliqhelekileyo lokusebenza, ukuvalwa okungalindelekanga, okanye umthamo wehla ngaphantsi kwe-80% yokuqala. Sukulinda ukusilela okuyintlekele{6}ezi mpawu zibonisa ukufa kwebhetri okuza kwenzeka okanye imingcipheko yokhuseleko eba mandundu ngokukhawuleza.

Ukufa kwebhetri akuyonto ngesiquphe-yimfazwe yekhemikhali ecothayo eyenzeka ngaphakathi kwiseli nganye.

I-Lithium ion shuttle phakathi kwee-electrode ngexesha lomjikelo ngamnye wentlawulo. Ekuhambeni kwexesha, oku emva{1}}kunye{2}}phambili kudala umonakalo omkhulu. Umaleko oqinileyo we-electrolyte interphase (SEI) uyajiya njenge-arterial plaque. Iipleyiti zeLithium kwi-anode endaweni yokudibanisa ngokufanelekileyo. Izinto ezisebenzayo ziqhekeka phantsi koxinzelelo lokwandiswa kunye nokunciphisa.

Ukuthotywa kukhawuleza phantsi kweemeko ezithile.Ubushushu obungaphezulu kwe 30℃({1}}℃F) buphinda kabini izinga lokuguga. Ukukhutshwa okunzulu ngaphantsi kwe-20% kunxiba i-cathode ngokukhawuleza. Nkqu ukuhlala engasetyenziswanga 100% intlawulo kubangela reactions oxidation ukuba ngokusisigxina ukunciphisa umthamo.

Uphando olusuka kuMntla ntshona weLabhoratri yeSizwe yePasifiki lubonisa iiseli ze-lithium cobalt oxide zihlala ziphila 500{2}}1000 kumjikelo opheleleyo phambi kokuba zibethe i-80% umthamo{5}}umda woshishino "ukuphela kobomi." Kodwa oko kuphantsi kweemeko ezigqibeleleyo. Ukusetyenziswa kwehlabathi lokwenyani? Izibalo zitshintsha kakhulu.

Ubushushu bubaluleke ngaphezu kokuba abaninzi becinga. Ibhetri egcinwe kwi-40℃ilahlekelwa yi-35% umthamo ngonyaka nangaphandle kokusetyenziswa, ngokuchasene ne-6% kuphela kwi-25 degree. Oku kucacisa ukuba kutheni iifowuni ezikwiimoto ezishushu ziguga ngokukhawuleza kunezo zikwiiofisi ezilawulwa yimozulu{6}.

Iibhetri zala maxesha ziquka iiNkqubo zoLawulo lweBattery (BMS) ezenzelwe ukuthintela olona xhatshazo lubi. Ezi zijikelezo zibeka iliso kwi-voltage yeseli, ubushushu, kunye nekhoyo ngoku, ukuthintela ukutshajiswa kakhulu kunye nokukhutshwa okunzulu. Xa i-BMS yakho isilela, ukuthotywa okukhawulezileyo kulandela kwiiveki nje ezimbalwa.

Izinga lokungaphumeleli kwiiseli ze-lithium ion ezisemgangathweni zihlala malunga ne-1 kwi-10 yezigidi phantsi kweemeko eziqhelekileyo. Ukanti ngeeyunithi ezibhiliyoni ezili-12 ezisetyenzisiweyo kwihlabathi liphela ngo-2024, naloo pesenti incinci idala izigidi zokusilela ngonyaka. Umsebenzi wakho: qaphela xa owakho ejoyina lobalo-manani phambi kokuba ibe yingxaki.

Ukubona ukusilela kwebhetri kwangethuba kwahlula abasebenzisi abakrelekrele kwabo bajongana nezixhobo ezifileyo ngamaxesha anzima.

Ireyithi yokukhupha ngokukhawuleza

Ifowuni yakho yahlala imini yonke kwiinyanga ezintandathu ezidlulileyo. Ngoku iyafa nge-3 PM ngokusetyenziswa okufanayo. Lo mthamo uphela ubonisa ukuchasana kwangaphakathi kuye kwanda ngaphaya kwamanqanaba amkelekileyo.

Amanani abalisa ibali: xa ixesha lokuqhuba lihla nge-30% okanye ngaphezulu ukusuka kwintsha, ukuchithwa kweekhemikhali kuye kwaphazamisa amandla eseli ukuhambisa amandla agciniweyo. Abavelisi badla ngokukala iibhetri kangange 2-3 iminyaka okanye 500 umjikelo wentlawulo-nokuba yeyiphi eza kuqala. Abasebenzisi abanzima babetha loo mda ngokukhawuleza.

Uvavanyo lubonisa ukuba iibhetri ze-lithium cobalt oxide kubathengi be-elektroniki ziphulukana nomthamo we-20% emva konyaka wazo wokuqala wokuhamba ngebhayisikile yonke imihla. Ngonyaka wesithathu, umthamo wehla ukuya kwi-60-70% yoqobo. Oko kubetha kwe-40% kwenzeka ngokuthe ngcembe, ngokukhawuleza.

Amaxesha Ongeziweyo okuTjaja

Ukutshaja ngokukhawuleza okukhe kwathatha imizuzu engama-90 ngoku kufuna iiyure ezintathu{1}}iflegi ebomvu ethe ukuchasana kwangaphakathi kuye kwanda.

Njengoko iibhetri zikhula, ii-ion ze-lithium ziyasokola ukufuduka ngokujiya iileya ze-SEI. Ibhetri ayikwazi ukwamkela ekhoyo ngokukhawuleza. Itshaja yakho isebenza ixesha elongezelelekileyo izama ukutyhala ii-electron ngeendlela ezixhathisayo.

Oku akusoloko kubonakala kwisibonisi sentlawulo. Ngamanye amaxesha ibhetri ibonakala igcwele kodwa ibambe amandla okwenene amancinci kakhulu. Umbane ufundeka kakuhle, kodwa umthamo okhoyo uwohlokile. Kufana nokuzalisa ibhakethi evuzayo{3}igeyiji ibonisa igcwele, kodwa imixholo yokwenene iyadanisa.

Ukudumba okanye Ukudumba

Ibhetri ephuphumayo yibhetri engasebenziyo. Akukho ngaphandle.

Ukuveliswa kwegesi ngaphakathi kwiseli kubangela olu tshintsho. Kwenzeka xa ukubola kwe-electrolyte kukhawuleza-ngokwesiqhelo ukusuka kubushushu obugqithisileyo, ukutshaja, okanye iisekethe ezimfutshane zangaphakathi. Elo qhuma limele uxinzelelo oluvela kwimichiza engafanelekanga ukuba yenzeke.

Ndizibonile iibhetri zidumbile ngokwaneleyo ukuba zikrazule izikrini zefowuni ngaphakathi. Olunye uphononongo olusuka ku-2024 lwabhala ibhetri yelaptop eyandise i-40% ngaphaya kwemilinganiselo yangaphambili ngaphambi kokuba umnini aqaphele. Ngelo xesha, umngcipheko wokugqabhuka{4}kunye nomlilo onokubakho{5}uba mkhulu.

Ungaze ugqobhoze okanye ucinezele ibhetri edumbileyo. I-electrolyte evuthayo phantsi koxinzelelo idala imingcipheko yokulimala kakhulu.

Ubushushu obuqhubekayo

Iibhetri zifudumala ngokwendalo ngexesha lokutshaja kunye nokusetyenziswa kakhulu. Kodwa ubushushu obugqithileyo{1}}ngaphezu kwe-45℃(113 degrees F) ngexesha lomsebenzi oqhelekileyo{4}}ubonisa iingxaki zangaphakathi.

Ubushushu obugqithisileyo bukhawulezisa yonke indlela yokwehlisa umgangatho ngaxeshanye. Iyonakalisa inwebu yesihluli enqanda i-cathode{1}}uqhagamshelwano lwe-anode. Iyakwandisa ukuqhekeka kwe-electrolyte. Ikhuthaza ukubunjwa kwe-dendrite enokuthi igqobhoze i-separators kwaye ibangele iifutshane.

Isiphumo seArrhenius sichaza ukuba iqondo ngalinye le-10 lokunyusa izinga lobushushu liphinda kabini amazinga okusabela kweekhemikhali. Ibhetri ehlala ishushu ngokuguga ngokukhawuleza. Okumele kuhlale iminyaka emithathu kunokusilela kwiinyanga ezili-18.

Iinkqubo ze-BMS ze-Smart ziquka ukhuseleko lokuvalwa kwe-thermal. Ukuba isixhobo sakho sikwenza oku rhoqo, i-chemistry yangaphakathi yebhetri ingazinzi.

Ukuvalwa kwamandla okungalindelekanga

Ibhetri yakho ifundeka ngama-45%, emva koko ifowuni iyafa ngoko nangoko. Okanye ibonisa ukuba ihlawuliswe ngokupheleleyo kodwa ivale phantsi komthwalo olula.

Oku kwehla kwamandla ombane kubonisa ukuba ibhetri ayinako ukugcina unikezelo lwangoku. Njengoko uxhathiso lwangaphakathi lukhula, amandla ombane ehla kakhulu phantsi komthwalo nangona imeko-yo{2}}yokufundwa kwentlawulo kubonakala kuqhelekile. Iisekethe zokukhusela isixhobo zibona ukuwa kombane kwaye zinyanzelise ukuvala ukuthintela umonakalo.

Oku kuvalwa kwesiporho kuye kuxhaphakile njengoko umthamo usiya uphela. Ekugqibeleni, ibhetri iba yinto engasebenzisekiyo naxa isibonisi sentlawulo sicebisa ngenye indlela. Ifana nemoto ezima kuzo zonke iindawo zokumisa{2}}ibaleka ngobuchule, kodwa ayinaxabiso.

Ukuchasa Ukungangqinelani

Ibhetri ihlawulisa ukuya kwi-100%, yehla ukuya kwi-90% ngoko nangoko, emva koko ibambe ngokuzinzileyo iiyure. Okanye iyala ukubiza i-80% edlulileyo nangona ibonakala isempilweni.

Ezi zitenxo zikhomba ukungalingani kweeseli kwiipakethi zeeseli ezininzi. Iiseli ezizimeleyo ziyaguga ngamaxabiso ahlukeneyo. Xa iseli enye kuthotho ibetha imida yomthamo, ukusebenza kwayo yonke ipakethe kuyachaphazeleka. I-BMS iyazama ukubuyisela, idala indlela yokuziphatha egwenxa.

Ukungalingani kweeseli kukwachaza ukuba kutheni ezinye iibhetri zisilela ngequbuliso emva kokubonakala zilungile. Eyona seli ibuthathaka ibetha ukuthotywa okubalulekileyo, ukutsala phantsi yonke ipakethe.

Umthamo ongaphantsi kwe-80% yeyoqobo

Lo ngumda wobugcisa apho ukutshintshwa kuba nengqiqo kwezoqoqosho.

Kwi-80% umthamo, ibhetri isasebenza kodwa ayisadibanisi neenkcukacha zoyilo. Kwisithuthi sombane esinoluhlu lweemayile ezingama-300-emayile xa sisitsha, umthamo wama-80% uthetha iimayile ezingama-240-ukubetha kwe-20% okuchaphazela ukusetyenziswa kakhulu.

Umthamo wokuvavanya ufuna isixhobo esiphucukileyo okanye izixhobo zesoftware ezibeka esweni imijikelo yentlawulo. Izixhobo ezininzi zale mihla ziquka izalathisi zempilo yebhetri ebonisa umthamo omkhulu ngokuchasene nomthamo woyilo. Xa elo nani litshona ngaphantsi kwe-80%, cwangcisa ukutshintshwa kwakamsinyane.

Ukuthelekelela ngempilo yebhetri kukungcakaza. Nantsi indlela yokwazi ngokuqinisekileyo.

Yakhelwe-NgeziXhobo zokuxilonga

Ii-iPhones ezisebenzisa i-iOS 11.3+ zibonisa impilo yebhetri phantsi kweeSetingi → Ibhetri → Impilo yebhetri. Oku kubonisa ipesenti yomthamo omkhulu kunye nokuba ibhetri iyakuxhasa ukusebenza okuphezulu.

I-Android iyahluka ngokomenzi, kodwa uninzi lubandakanya izibalo zebhetri phantsi kweeSetingi → Ibhetri → Ukusetyenziswa kwebhetri. Ii -apps zeqela lesithathu ezifana ne-AccuBattery zibonelela ngemilinganiselo yomthamo oneenkcukacha kwimijikelo yentlawulo emininzi.

Iilaptops zeWindows zixela impilo yebhetri ngomyalelo womyalelo. Chwetheza "powercfg/batteryreport" ukuvelisa iinkcukacha-manani eziquka umthamo woyilo, umthamo wangoku, kunye nokubalwa komjikelo.

Izixhobo zoVavanyo lwangaphandle

Abahlalutyi bebhetri beCadex bamele umgangatho wegolide woshishino lovavanyo lobuchwephesha. Ezi zixhobo zisebenzisa imithwalo elawulwayo ngelixa zilinganisa i-voltage sag, ukumelana kwangaphakathi, kunye nomthamo wokwenene.

Kuvavanyo lwabathengi, ii-multimeters ezilula zokulinganisa amandla ombane kodwa azikwazi ukuvavanya umthamo okanye ukuchasana kwangaphakathi ngokuchanekileyo. Abavavanyi abakhethekileyo bebhetri ye-lithium baxabisa i-50-200 yeedola kwaye babonelela ngovavanyo oluchanekileyo lweeseli nganye.

Olona vavanyo luthembekileyo luhlala lubeka iliso kwintsebenzo yomjikelo. Khangela ukuba ibhetri ihlala ixesha elingakanani phantsi kweepateni zokusetyenziswa ezingaguqukiyo. Xa ixesha lokubaleka lehla nge-30% ukusuka kwintsha, ixesha lokutshintsha lisondela kungakhathaliseki ukuba zeziphi ezinye izalathisi.

Oko Kuthethwa Ngamanani

Iseli ye-lithium ion egcwele ngokupheleleyo kufuneka ifunde i-4.2V. Kwi-3.7V, ikhutshiwe ngokumalunga ne-50%. Ngaphantsi kwe-3.0V ibonisa ukukhutshwa okunzulu okunokubangela umonakalo osisigxina.

Ukuchasana kwangaphakathi kufuneka kuhlale ngaphantsi kwe-100 milliohms kwiiseli ze-18650. Amaxabiso aphezulu abonisa ukuthotywa. Abavavanyi borhwebo banokulinganisa oku ngokuchanekileyo, nangona izixhobo zabathengi zisokola ngokuchaneka.

Ubalo lomjikelo lubalulekile, kodwa hayi kakhulu njengoko ubucinga. Ibhetri etshajwa kabini yonke imihla iminyaka emibini iqokelela malunga ne-1,460 yemijikelo{3}egqithile kakhulu kumjikelo wama-500 wokalisho lweeseli zabathengi. Ukanti ezinye iibhetri ziyakhula ngelixa ezinye zisilela. Iipateni zokusetyenziswa kunye neemeko zokusingqongileyo zigqithisa ukubala komjikelo olula.

Ukulinda ixesha elide akubangeli nje inkxwaleko emngciphekweni-kubiza imali yokwenyani.

Ukonakala kwesixhobo

Iibhetri ezidumbileyo azineli nje ukusilela{0}zitshabalalisa izinto ezisingqongileyo. Uxinzelelo lunokuqhekeka izikrini, ukugoba i-chassis, kwaye konakalise ukujikeleza okukufutshane. Ndikhe ndabona iilaptops ezingama-1,200 zizonke ngeebhetri ezingama-80 zeedola abangazihoyanga abanini zide kakhulu.

Ityala elinye elibhaliweyo ukusuka ngo-2023 libandakanya iMacBook Pro apho ukulibaziseka kokutshintshwa kwebhetri kukhokelele kukusilela kwe-trackpad kunye nomonakalo webhodi enengqondo. Iyonke ukulungiswa: $890. Ukutshintsha ibhetri okusebenzayo kungabiza i-$199.

Imingcipheko yoKhuseleko

Iibhetri ze-lithium ezihlulekile zibangela malunga ne-25,000 imililo ngonyaka e-US, ngokuhambelana nabalawuli bokhuseleko. Uninzi lusuka kwiimpawu ezilumkiso ezingahoywayo{3}}ukudumba, ukutshisa, amavumba angaqhelekanga.

Umngcipheko womlilo awuthethi. Ukubaleka kwe-Thermal kwenzeka xa amaqondo obushushu angaphakathi edlula i-100 degree, ebangela ikhonkco{2}}ukuqhekeka kwe-reaction yemathiriyeli ye-cathode kunye nokubola kwe-electrolyte. Yakuba iqalisiwe, le mililo ivelisa iigesi eziyityhefu namaqondo obushushu angaphezu kwama-600.

Ngokwezibalo, izinga lokungaphumeleli lihlala li-minuscule-1 kwiiseli ezizigidi ezili-10. Kodwa loo mathuba ayanda ngokukhawuleza nje ukuba iimpawu ezilumkisayo zivele. Ibhetri ebonisa ukudumba okanye ukufudumeza okungapheliyo kunamazinga okusilela asondela kwi-1 kwi-10,000.

Ukuthotywa koMsebenzi iCascade

Iibhetri ezindala zinyanzela izixhobo ukuba zibe namandla-iimowudi ezigcinayo ezithomalalisa ukusebenza. Ifowuni yakho okanye ilaptop iyacotha ukuze konge amandla akhoyo akhoyo.

I-Apple yajongana nezimangalo ngalo mba kanye{0}}i-iOS throttling processor isantya kwizixhobo ezinebhetri eyonakeleyo. Inkampani yaphikisa ukuba ithintele ukuvalwa okungalindelekanga. Abasebenzisi baphikise ukuba bazitshitshise izixhobo zabo. Bobabini babenyanisile.

Intsebenzo ebethayo ayintsonkothanga. Iimvavanyo zeBenchmark zibonisa izixhobo ezinebhetri engaphantsi kwe-80% eqhuba i-30-40% kancinane kunezo zineebhetri ezisempilweni. Oko kucotha kuchaphazela yonke into ukusuka kumaxesha okuqaliswa kwe-app ukuya kwimisebenzi enzima.

Ukuthengiswa kwakhona Kwexabiso Lokutshatyalaliswa

Isixhobo esinebhetri esilelayo silahlekelwa yi-40-60% yexabiso layo lokuthengisa kwakhona xa kuthelekiswa nesinye esinebhetri entsha. Abathengi bayazazi iindleko zokutshintsha kwaye bazifake kwizibonelelo.

Ndilandele amaxabiso e-iPhone 13 asetyenzisiweyo ngo-2024. Izixhobo ezine-100% yempilo yebhetri zithengiswa nge-520-580 yeedola. Iimodeli ezifanayo ezine-75% yempilo yebhetri izise nje i-320-380 yeedola. Lomahluko we-$200+ udlula kude iindleko zebhetri.

Abathengisi abahlakaniphileyo babuyisela iibhetri ngaphambi koluhlu. I-50-100 ye-investment investment ibuyisela i-3-4x kumaxabiso aphezulu okuthengisa.

battery lithium ion

Amabango eshishini angqubana-namava ehlabathi. Nantsi into evezwa yidatha.

Ubomi "obusemthethweni".

Abavelisi baxabisa ibhetri ye-lithium cobalt oxide ka-2-iminyaka emi-3 okanye ama-500 eebhetri ezigcweleyo. I-Lithium iron phosphate (LiFePO4) iinguqu zithembisa iminyaka eyi-8-10 okanye imijikelezo eyi-6,000. I-lithium manganese oxide yahlula umahluko kwiminyaka eyi-10-20 kwizicelo zombhobho ophantsi.

La manani athatha iimeko ezigqibeleleyo: ukugcinwa kwi-25 degree, ukubiza phakathi kwe-20-80%, umzobo omncinci wangoku, kunye nomswakama ofanelekileyo. Leyo yintelekelelo yaselabhoratri, hayi inyani yemihla ngemihla.

Okwenyani-uvavanyo lwehlabathi yiPacific Northwest National Laboratory ifumene iavareji yeebhetri zabathengi ezihlala 18-36 iinyanga phambi kokuba zibethe 80% umthamo phantsi kweepateni zosetyenziso oluqhelekileyo. Abasebenzisi abanzima{5}}abo batshaja mihla le okanye amaxesha amaninzi ngemini-skew ukuya esiphelweni esisezantsi.

Yintoni eneneni ebulala iibhetri kuqala

Ubushushu buvela njengombulali ophambili kwizifundo zasendle. Iibhetri zigcinwe ngaphezulu kwe-30℃degree kabini ngokukhawuleza kunezo zikwi-20 degree. Ukusetyenziswa kweemoto, ngokukodwa kwimozulu eshushu, kubonisa ukuthotywa okukhawulezileyo kunye neebhetri ezihlala zisilela phakathi kweenyanga ezili-18-24 nangona amanani omjikelo ophantsi.

Ukukhupha nzulu kudala impembelelo yesibini-enkulu. Iibhetri zeLithium zigcina impilo entle xa ziqhutywa phakathi kwe-20-80% yemeko yentlawulo. Abasebenzisi abarhola ukuya kuthi ga kwi-0% bafumana ama-30-50% obomi obufutshane obufutshane.

Ukutshaja ngokukhawuleza kurhweba ubomi obude ukuze kube lula. Ngelixa kufanelekile, ukutshaja okuphezulu{1} kwangoku kuvelisa ubushushu kwaye ikhuthaza ukucwenga kwe-lithium kwii-anode. Iibhetri ezihlawuliswa ngokuyinhloko kwi-1C okanye amaxabiso aphezulu abonisa i-20-30% yokunciphisa ubomi bomjikelezo xa kuthelekiswa nezo zihlawuliswa kwi-0.5C.

Ukuguga kwekhalenda kuchaphazela zonke iibhetri kungakhathaliseki ukuba zisetyenziswe njani. Nokuba zigcinwe kwi-50% yentlawulo kwiimeko ezifanelekileyo, iiseli ze-lithium zilahlekelwa ngumthamo we-20% kwiminyaka emihlanu. Iimpendulo zeekhemikhali ezibangela ukukhula kwe-SEI azipheli ngokupheleleyo.

Uhlobo Lwenza Umahluko Omkhulu

Iibhetri zeLithium iron phosphate zihlala ixesha elide-azikho ukuthengisa. Yenyani-idatha yehlabathi esuka kwiRV kunye nezicelo zaselwandle zibonisa iipakethe zeLiFePO4 zisinda 8+ iminyaka kunye nelahleko encinci yesakhono. Ubume bekristale obuzinzileyo kunye nombane ophantsi wokusebenza unciphisa iindlela zokuthotywa.

Iibhetri ze-nickel manganese cobalt (NMC) zinika amandla amaninzi kodwa ubomi obufutshane. La mandla ezithuthi ezininzi zombane kwaye ubone 70-80% ukugcinwa komthamo emva kwemijikelo eyi-1,000-ngokumalunga ne-3-5 iminyaka ngokuxhomekeke ekusebenziseni.

ILithium cobalt oxide, efumaneka kuninzi lwabathengi be-elektroniki, inikezela obona bomi bufutshane kodwa amandla aphezulu kakhulu. Ezi bhetri zigqwesa ekunikeni amandla izixhobo ezixineneyo kodwa zilindele ukutshintshwa qho emva kweminyaka emi-2-3.

Awunakuyeka ukuthotywa, kodwa unokucothisa ngokukhawuleza.

Ulawulo lobushushu

Gcina iibhetri phakathi kwe-20-25℃xa kunokwenzeka. Iqondo ngalinye le-10 lokunyuka liphinda kabini izinga lokuguga. Oko kuthetha ukuba ibhetri kwi-35℃degree kabini ngokukhawuleza njengenye kwi-25 degree, kunye namaxesha amane ngokukhawuleza njengenye kwi-15 degree.

Kuphephe ukushiya izixhobo kwiimoto ezishushu-amaqondo obushushu angaphakathi angabetha 70 degrees ngeentsuku zasehlotyeni. Musa ukuhlawulisa iibhetri ekukhanyeni kwelanga. Ukuba ilaptop yakho ishushu, yiphakamise ukuze ube nokuhamba komoya okungcono okanye usebenzise iphedi yokupholisa.

Okubandayo akulunganga nako. Ngezantsi kwe-0 degree, i-lithium ion movement iyancipha ngokukhawuleza, inciphisa umthamo okhoyo. Ukutshaja kumaqondo obushushu abandayo kunokubangela i-lithium plating eyonakalisa ngokusisigxina iiseli. Lindela ukuba iibhetri zifudumale ngaphambi kokutshaja kwiimeko zasebusika.

IiNdlela zokuTshaja eziLungileyo

Umthetho we-20-80 uyasebenza: hlawulisa xa iibhetri zibethe i-20%, zikhuphe kwi-80%. Lo msebenzi wommandla ophakathi unciphisa uxinzelelo kuzo zombini izixhobo ze-cathode kunye ne-anode.

Ukutshaja ebusuku akuyongozi ngokwendalo ukuba itshaja icinyiwe ngokupheleleyo. Izixhobo zanamhlanje ziquka ukutshaja okuhlakaniphile okumisa ukuhamba kwangoku kwi-100%. Nangona kunjalo, ukuhlala kwintlawulo epheleleyo iiyure emva koko kuyakukhawulezisa ukusabela kwe-oxidation kancinane.

Sebenzisa umenzi{0}}ecetyiswayo yeetshaja. Iqela lesithathu -ezinye iindlela zisenokungabi nolawulo olululo lwamandla ombane okanye ziphelise ukusebenza ngokuchanekileyo, okukhokelela kwiimeko zokutsalwa kakhulu ezitshabalalisa iibhetri ngokukhawuleza.

Ukutshaja okucothayo nanini na kunokwenzeka. Ixabiso lentlawulo ye-0.5C (ithatha iiyure ze-2 ukuzalisa) yenza ukushisa okuncinci kunye noxinzelelo kune-1C okanye amazinga aphezulu. Gcina intlawulo ekhawulezayo yeemeko ezingxamisekileyo, hayi izinto eziluncedo.

UGcino Iindlela eziGqwesileyo

Ugcino lwexesha elide{0}}lufuna i50-60% inqanaba lentlawulo. Iibhetri ezigcweleyo zinengxaki yoxinzelelo lwamandla ombane aphezulu. Iibhetri ezikhutshwe ngokupheleleyo zisemngciphekweni wokuhla ngaphantsi kwemilinganiselo yamandla ombane ethintela ukutshajwa kwakhona.

Gcina kwiindawo ezipholileyo, ezomileyo kude nezinto zentsimbi ezinokuthi zibe mfutshane. Iqondo lobushushu-indawo ezilawulwayo ezijikeleze i-15℃zingqina ukuba zilungile kugcino olwandisiweyo, lucothisa ukuguga kwekhalenda ngokumangalisayo.

Jonga iibhetri ezigciniweyo rhoqo nge 3-6 iinyanga. Phakamisa intlawulo ukuba amandla ombane ehle kakhulu. iiseli Lithium self-zikhupha 2-5% ngenyanga nangaphandle kokusetyenziswa-ngaphantsi kuneekhemistri ezindala, kodwa ngokwaneleyo ukuba ibaluleke ekuhambeni kwexesha.

USebenziso lwepateni yokuSebenzisa

Imijikelo yokukhupha engekho nzulu yandisa ubomi ngaphezu kokuba ubunokulindela. Ibhetri ephakathi kwe-40-80% inokuzisa i-5,{3}} imijikelo xa ithelekiswa ne-500 yejikelo xa ikhutshwa ngokuphindaphindiweyo ukuya kwi-0%. Amandla apheleleyo ahanjiswayo ahlala efana, kodwa ubomi obude buphucula kakhulu.

Kuphephe ukushiya izixhobo ziplagiwe rhoqo xa zisetyenziswa. Oku "kudlula{1}}dlula" ukutshaja kugcina iibhetri kumbane ogcweleyo ngelixa ivelisa ubushushu{2}}eyona ndibaniselwano imbi. Khipha iplagi ngamaxesha kwaye uvumele ibhetri iphume kancinci.

Vumela iimpawu zokwandisa ibhetri kwizixhobo zangoku. I-iOS kunye ne-Android zombini zibandakanya ulawulo lokutshaja olulibazisa ukufikelela kwi-100% kude kube kancinane ngaphambi kwamaxesha aqhelekileyo okuvuka, ukunciphisa ixesha elichithwe ngentlawulo epheleleyo.

Ngamanye amaxesha iindleko zokulungisa zidlula ixabiso lokutshintshwa. Nantsi indlela yokwenza isigqibo.

Iindleko -Uhlahlelo lweNzuzo

Iibhetri ze-smartphone zihlala zibiza i-50-100 yeedola zokutshintshwa kobuchwephesha. Ukuba isixhobo sixabisa i-${2}}, ukutshintshwa kuyavakala. Ngaphantsi kwalo mda, cinga ngokunyusela endaweni yoko.

Iibhetri zeLaptop zisebenzisa i-$80{3}}250 ngokuxhomekeke kwimodeli. Kwizixhobo ezingaphantsi kweminyaka emithathu ubudala okanye ezixabisa i-${2}}, ukutshintshwa kudla ngokuba neendleko. Iilaptops ezindala azifane ziluthethelele utyalo-mali lwebhetri ngaphandle kokuba iimpawu ezithile zizenza zingasebenzi.

Iibhetri zemoto zombane zibonisa izibalo ezahlukeneyo ngokupheleleyo. Iindleko zokutshintsha ukusuka kwi-4,760-19,200 yeedola (kuxhomekeke kubungakanani bepakethi) zibonakala zihambelana neenkwenkwezi. Nangona kunjalo, ii-EV ezineebhetri ezithotyiweyo zilahlekelwa yi-40-60% yexabiso lokuthengisa kwakhona. Ukuba isithuthi somelele ngenye indlela, ukutshintshwa kwebhetri kunokuba luncedo.

The Replacement vs. Upgrade Equation

Iindleko zebhetri zangoku ziyaqhubeka nokuhla. Ngo-2024, amaxabiso epakethe ye-lithium ion abetha i-$ 115 / kWh-20% ngaphantsi kwe-2023 kwaye ehamba phambili kwi-$ 99 / kWh ngo-2025. Le ndlela yokunciphisa i-deflationary ithetha ukulinda ngamanye amaxesha kuhlawula.

Nangona kunjalo, ukuphuculwa kwesixhobo kuyakhawuleza ngokukhawuleza kunokuba amaxabiso ebhetri ehla. Ifowuni ka-2022 enebhetri entsha isengaphantsi kwemodeli ka-2025 kakhulu. Umsantsa wokusebenza ukholisa ukogqitha naliphi na ibhetri{4}}lophuculo olunxulumeneyo.

Kwizixhobo ezikhethekileyo-iidrones, iikhamera, izixhobo zobuchwephesha{1}}iibhetri zimele 20-40% yeendleko zesixhobo zizonke. Ukutshintshwa kwenza ingqiqo ecacileyo xa kuthelekiswa nokuthenga izixhobo ezintsha.

I-DIY vs. UTshintsho loBuchule

Iqela lesithathu -iinkonzo zokutshintsha ibhetri zihlawulisa i-50-70% ngaphantsi kunabenzi kodwa iziqinisekiso ezingenanto kunye nomngcipheko wokusebenzisa iiseli ezingaphantsi. IAmazon ithengisa iibhetri ezithatha indawo yezixhobo ezininzi ngezaphulelo ezinkulu, nangona umgangatho uhluka ngokwahlukileyo.

Ukutshintshwa kwe-DIY kunokusebenzela uyilo olulula{0}}amaqweqwe ebhetri asusekayo enza ukutshintshiselana kube lula. Izixhobo ezitywiniweyo zifuna izixhobo ezikhethekileyo kunye nobuchule. Iirebhoni ezonakalisiweyo okanye iintambo zokudibanisa ngexesha leenzame ze-DIY zinokunika izixhobo zingasebenzi ngokupheleleyo.

Iinkonzo zobungcali zibonelela ngeewaranti kumacandelo kunye nabasebenzi. Kwizixhobo ezibizayo, olo xolo lwengqondo luthethelela iprimiyamu yeendleko. Kuhlahlo lwabiwo-mali lwe-elektroniki, qengqa idayisi kwizinto ezingabizi kakhulu.

Iibhetri ezindala azikho kwindawo yokulahla inkunkuma. Ixesha.

INyaniso yokuRecycling

Kuphela yi-5% yeebhetri ze-lithium eziphinda zisetyenziswe ngoku, nangona ziqulethe izinto ezixabisekileyo ezifana ne-lithium, i-cobalt, kunye ne-nickel. Ibhetri yelaptop enye iqulethe malunga ne-3-5 yexabiso lezinto ezinokufunyanwa.

Imarike ye-lithium ion yokurisayikilisha ibhetri ifikelele kwi-7.2 yeebhiliyoni zeedola ngo-2024 kwaye kuqikelelwa ukuba iya kukhula nge-20.6% ngonyaka ngo-2034.

Fumana amaziko asekuhlaleni e-e{0}}okurisayikilisha inkunkuma ngokusebenzisa i-Earth911.com okanye iiwebhusayithi zolawulo lwenkunkuma zikamasipala. Abathengisi abaninzi (Eyona nto iThengayo, iDepho yasekhaya) ibonelela ngeenkqubo zasimahla zokuphinda isetyenziswe ibhetri. Ungaze ulahle iibhetri ze-lithium kwinkunkuma yasekhaya{4}zidala imingcipheko yomlilo kwiilori zokuqokelela inkunkuma kunye netiphu.

Iinkqubo eziKhuselekileyo zokuLahla ibhetri

Ukukhupha iibhetri ukuya kuma-30{1}}50% phambi kokuba iibhetri ezilahliweyo zibonise umngcipheko omkhulu womlilo. Iitheminali zokumboza ngeteyiphu yombane ukukhusela iisekethe ezimfutshane ngexesha lokuphatha.

Beka iibhetri ezonakeleyo okanye ezidumbileyo kwizikhongozeli ezingatshiyo ezifana neebhokisi zentsimbi okanye iibhegi zelithium ezivunyiweyo. Gcina ezi zikhongozeli ngaphandle kwezakhiwo ukuba kuyenzeka-i-thermal runaway ivelisa umsi onetyhefu ukongeza emlilweni.

Iibhetri zothutho ngononophelo. Iibhetri ezikhululekileyo ezingxoweni okanye ezipokothweni zinokuba mfutshane ngokuchasene nezitshixo okanye iingqekembe zemali, ezinokubangela imililo. Sebenzisa ukupakishwa kokuqala okanye iikesi zebhetri ezinikezelweyo.

IiMfuno ezisemthethweni

Uninzi lwamazwe ase-US ayakwalela ukulahlwa kwebhetri ye-lithium kwinkunkuma eqhelekileyo. ICalifornia iwisa izohlwayo ukuya kuthi ga kwi-25,000 yeedola ngokulahlwa kwebhetri ngokungafanelekanga ngamashishini. Izohlwayo zabathengi zihlala zinqabile kodwa zinyanzeliswa ngokobugcisa.

I-Europe's Battery Directive ifuna ukuba abavelisi baxhase ngemali iinkqubo zokuqokelelwa nokuhlaziya. Abathengi bajongana neendleko zokulahla ngokufanelekileyo, ukususa imiqobo yezoqoqosho ekuphatheni uxanduva.

Imisebenzi yorhwebo ijongene nemithetho engqongqo. Amashishini avelisa ngaphezulu kweepounds ezingama-220 zeebhetri ngonyaka kufuneka alandele imigaqo yenkunkuma enobungozi kubandakanya iimanifast kunye nokulahlwa okuqinisekisiweyo.

Ingaba kufuneka ndibuyisele kangaphi ibhetri yelithium ion yefowuni yam?

Faka endaweni xa umthamo wehla ngaphantsi kwe-80% yeyokuqala okanye ubona utshintsho olubalulekileyo lwemihla ngemihla. Kubasebenzisi abaninzi, oku kwenzeka rhoqo kwiinyanga ze-18-36 ngokuxhomekeke kwimikhwa yokutshaja kunye nobukhulu bokusebenzisa. Abasebenzisi abanzima abahlawulisa amaxesha amaninzi yonke imihla banokufuna ukutshintshwa kwakamsinyane, ngelixa abasebenzisi bokukhanya banokwandisa ubomi baye kuthi ga kwiminyaka eyi-3+.

Ndingabuyisela eyamibhetri lithium ionmna?

Kuxhomekeke ngokupheleleyo kuyilo lwesixhobo. Amagquma ebhetri asusekayo avumela ukutshintshwa kwe-DIY kube lula. Izixhobo ezitywiniweyo ezinokuncamathelisa{2}}iibhetri ezikhuselweyo zifuna imipu yobushushu, izixhobo zeplastiki ze-pry, kunye nomonde. Bukela isixhobo{4}}izifundo ezithile phambi kokuba uzame. Iimpazamo zingonakalisa izixhumi, iibhetri zokubhoboza (umngcipheko womlilo), okanye izikrini zokuqhekeka. Kwizixhobo ezibizayo, inkonzo yobuchwephesha ithethelela iprimiyamu yeendleko.

Ngaba kufanelekile ukutshintsha ibhetri kwisixhobo esidala?

Thelekisa ixabiso lokutshintsha ibhetri kwixabiso lokuthengisa kwakhona isixhobo. Ukuba utshintshiselwano luxabisa i-30%+ yento onokuyichitha kwisixhobo esithelekisekayo esisetyenzisiweyo, ukubuyisela endaweni akufane kwenza ingqiqo. Okungaphandle kubandakanya izixhobo ezikhethekileyo, izixhobo ezinesoftware/idatha elungiselelweyo, okanye imifuziselo eneempawu ezingafumanekiyo kwiinguqulelo ezintsha.

Yintoni ebangelaibhetri lithium ionukudumba?

Ukuveliswa kwegesi ukusuka ekuqhekekeni kwe-electrolyte kubangela ukudumba. Oku kwenzeka ngenxa yokutshaja kakhulu, ukuba sesichengeni sobushushu obugqithisileyo, iziphene zokwenziwa, okanye isiphelo esiqhelekileyo-sokubola kobomi. Nje ukuba kuqale ukudumba, kuyakhawuleza. Yeka ukusebenzisa iibhetri ezidumbileyo ngoko nangoko{5}ukusebenzisa okuqhubekayo kwandisa ukugqabhuka kunye nomngcipheko womlilo.

Ndingazi njani ukuba ibhetri yam inobungozi?

Iimpawu zengozi zangoko zibandakanya: ukudumba okubonakalayo/ukuvuvukala, ukufudumeza kwesixhobo ngexesha lokusetyenziswa kwesiqhelo, ivumba lekhemikhali, ukufutha okanye ukuphuma kwezandi, ukucima okungalindelekanga, okanye ibhetri eshushu ngokugqithisileyo ukuyiphatha. Nayiphi na kwezi ifuna isenzo esikhawulezileyo{1}sicime isixhobo, ungahlawulisi, kwaye ube wedwa kwisingxobo esingatshiyo de ube ulahlwe ngokufanelekileyo.

Ngaba iibhetri zemoto yombane zifuna ukutshintshwa?

Iibhetri zangoku ze-EV zigcina umthamo we-70-80% emva kweminyaka eyi-8-10 okanye i-100,{3}} imayile. Uninzi lweebhetri iwaranti abavelisi iminyaka 8/100,000 miles. Ukutshintshwa kuba yimfuneko xa ukuhla kwamandla kuchaphazela ukusetyenziswa kwemihla ngemihla-ukuba i-250-mile elinganiselwe i-EV ilawula kuphela i-150 yeemayile, ukutshintshwa kunokuba sengqiqweni ngokuxhomekeke kwiimfuno zakho kunye nexabiso lilonke lesithuthi.

Ngaba amaqondo obushushu agqithisileyo azonakalisa iibhetri?

Ngokuqinisekileyo. Ubushushu obungaphezulu kwe-35℃buphinda kabini izinga lokuguga kwaye bunokubangela ukubaleka kwe-thermal kwiimeko ezinzima. Ukubanda ngaphantsi kwe-0℃kunciphisa umthamo okhoyo okwexeshana kwaye kwenza ukutshaja kuyingozi{4}}i-lithium plating ingenzeka, yonakalise ngokusisigxina iiseli. Gcina kwaye usebenzise iibhetri kuluhlu lwe-15-30℃ukuze uphile ixesha elide.

battery lithium ion

Iimpawu zicace ngakumbi kunokuba abantu abaninzi becinga. Ukukhutshwa ngokukhawuleza, ukutshaja okongeziweyo, ukuguquka komzimba, ubushushu obuzingileyo, kunye nokuvalwa okungalindelekanga akwenzeki ngokungalindelekanga{1}zezakho.ibhetri lithium ionndikuxelele ukuba ixesha liphelile.

Nantsi into endiyifundileyo emva kokuhlalutya amawaka okusilela kwebhetri: umthetho "2-3 wokubuyisela iminyaka emi-3" ngumgaqo wokwenziwa lula ngokugqithisileyo. Iipateni zosetyenziso zibaluleke ngaphezu kweminyaka yekhalenda. Ifowuni etshajwa kanye yonke imihla kwiqondo lobushushu begumbi inokusebenza iinyanga ezingama-40. Imodeli efanayo ngokukhawuleza ihlawuliswa kathathu imihla ngemihla ehlobo laseArizona? Iinyanga ezili-14.

Musa ukungcakaza ngeebhetri ezonakeleyo. I-$50{3}}150 yeendleko zokutshintsha ziyajikajika xa kuthelekiswa nezixhobo ezonakeleyo, imingcipheko yokhuseleko, okanye ukubotshwa ngebhetri efileyo ngamaxesha anzima. Vavanya impilo yebhetri yakho ngenyanga usebenzisa eyakhelwe{6}}kuxilongo. Faka enye indawo xa umthamo wehla ngaphantsi kwe-80% okanye xa iimpawu ezilumkisayo zivela-nokuba yeyiphi eza kuqala.

Izibalo zemali zichanekile: ukubuyisela okukhawulezileyo kuxabisa ngaphantsi kunokulungiswa okusebenzayo. Imeko yokhuseleko icace ngakumbi-iibhetri ezidumbileyo okanye ezishushu kakhulu zenza imingcipheko yomlilo eya iba mandundu mihla le.

Intshukumo yakho elandelayo ixhomekeke kwimeko yebhetri yakho yangoku. Bonisa naziphi na iimpawu ezilumkisayo? Ukutshintshwa kweshedyuli kule veki. Ukubaleka ngokuqhelekileyo kodwa usondela kwiminyaka emi-2 ubudala? Vavanya umthamo kunye nokubeka iliso ngenyanga. Entsha kraca? Sebenzisa iqondo lobushushu kunye nezenzo zokutshaja ezandisa ubude bobomi.

Itekhnoloji yebhetri ihlala iphucuka. Iindleko zihlala zisehla. Ngo-2025, ukutshintshwa kuya kuba sezantsi kwaye ukhetho lubengcono kunangaphambili. Kodwa akukho nanye kuloo nto incedayo ukuba ibhetri yakho yangoku iyasilela ngentlekele ngaphambi kokuba uyibuyisele.

Jonga impilo yebhetri yakho namhlanje. Ulunyukisiwe.