Lithium batire ndi mtundu wa batire yomwe imagwiritsa ntchito zitsulo za lithiamu kapena aloyi ya lithiamu ngati zinthu zopanda ma elekitirodi ndipo imagwiritsa ntchito njira yopanda madzi ya electrolyte.Batire ya lithiamu yoyambirira kwambiri idachokera kwa woyambitsa wamkulu Edison.
Mabatire a Lithium - Mabatire a Lithium
lithiamu batire
Lithium batire ndi mtundu wa batire yomwe imagwiritsa ntchito zitsulo za lithiamu kapena aloyi ya lithiamu ngati zinthu zopanda ma elekitirodi ndipo imagwiritsa ntchito njira yopanda madzi ya electrolyte.Batire ya lithiamu yoyambirira kwambiri idachokera kwa woyambitsa wamkulu Edison.
Chifukwa chakuti mankhwala a lithiamu zitsulo amagwira ntchito kwambiri, kukonza, kusunga ndi kugwiritsa ntchito zitsulo za lithiamu zimakhala ndi zofunikira kwambiri zachilengedwe.Chifukwa chake, mabatire a lithiamu sanagwiritsidwe ntchito kwa nthawi yayitali.
Ndi chitukuko chaukadaulo wa ma microelectronics m'zaka za zana la makumi awiri, zida zazing'ono zikuchulukirachulukira tsiku ndi tsiku, zomwe zimayika patsogolo zofunikira zamagetsi.Mabatire a lithiamu ndiye alowa gawo lalikulu lothandiza.
Anayamba kugwiritsidwa ntchito pamtima pacemakers.Chifukwa kuchuluka kwamadzimadzimadzi kwa mabatire a lithiamu ndikotsika kwambiri, mphamvu yotulutsa ndiyotsika.Zimapangitsa kuti zitheke kuyika pacemaker m'thupi la munthu kwa nthawi yayitali.
Mabatire a lithiamu nthawi zambiri amakhala ndi magetsi opitilira 3.0 volts ndipo ndi oyenera kuphatikizira magetsi ophatikizika.Mabatire a manganese dioxide amagwiritsidwa ntchito kwambiri m'makompyuta, zowerengera, makamera, ndi mawotchi.
Kuti apange mitundu yogwira ntchito bwino, zida zosiyanasiyana zaphunziridwa.Ndiyeno kupanga mankhwala monga kale.Mwachitsanzo, mabatire a lithiamu sulfure dioxide ndi mabatire a lithiamu thionyl chloride ndi osiyana kwambiri.Zinthu zawo zabwino zogwira ntchito ndizosungunulira za electrolyte.Kapangidwe kameneka kamapezeka kokha m'makina opanda madzi a electrochemical.Choncho, kuphunzira kwa mabatire a lithiamu kwalimbikitsanso chitukuko cha chiphunzitso cha electrochemical cha machitidwe osakhala amadzimadzi.Kuphatikiza pa kugwiritsa ntchito zosungunulira zosiyanasiyana zopanda madzi, kafukufuku wa mabatire a polymer woonda-filimu wachitikanso.
Mu 1992, Sony bwinobwino anayamba lithiamu-ion mabatire.Kugwiritsa ntchito kwake kumachepetsa kwambiri kulemera ndi kuchuluka kwa zida zamagetsi zonyamulika monga mafoni am'manja ndi makompyuta apakompyuta.Nthawi yogwiritsira ntchito ikuwonjezeka kwambiri.Chifukwa mabatire a lithiamu-ion alibe heavy metal chromium, poyerekeza ndi mabatire a nickel-chromium, kuipitsa chilengedwe kumachepa kwambiri.
1. Batri ya lithiamu-ion
Mabatire a lithiamu-ion tsopano agawidwa m'magulu awiri: mabatire a lithiamu-ion (LIBs) ndi mabatire a lithiamu-ion polymer (PLBs).Pakati pawo, batire yamadzimadzi ya lithiamu ion imatanthawuza batire yachiwiri yomwe Li + intercalation pawiri ndi maelekitirodi abwino ndi oipa.Elekitirodi yabwino imasankha lithiamu pawiri LiCoO2 kapena LiMn2O4, ndi electrode negative kusankha lithiamu-carbon interlayer pawiri.Mabatire a lithiamu-ion ndi mphamvu yoyendetsera chitukuko m'zaka za zana la 21 chifukwa cha mphamvu zawo zogwiritsira ntchito kwambiri, kukula kwake kochepa, kulemera kwake, mphamvu zambiri, kusakumbukira kukumbukira, kusaipitsa, kutsika pang'ono, komanso moyo wautali.
2. Mbiri yachidule ya chitukuko cha batri ya lithiamu-ion
Mabatire a lithiamu ndi mabatire a lithiamu ion ndi mabatire atsopano amphamvu kwambiri opangidwa bwino mzaka za zana la 20.Elekitirodi yolakwika ya batri iyi ndi zitsulo za lithiamu, ndipo electrode yabwino ndi MnO2, SOCL2, (CFx) n, ndi zina zotero. Inagwiritsidwa ntchito m'zaka za m'ma 1970.Chifukwa cha mphamvu zake zambiri, mphamvu zambiri za batri, kutentha kwa kutentha kwakukulu, ndi moyo wautali wosungirako, wakhala akugwiritsidwa ntchito kwambiri pazida zazing'ono zamagulu ankhondo ndi anthu wamba, monga mafoni a m'manja, makompyuta oyenda, makamera a kanema, makamera, ndi zina zotero. kusintha mabatire achikhalidwe..
3. Chiyembekezo cha chitukuko cha mabatire a lithiamu-ion
Mabatire a Lithium-ion akhala akugwiritsidwa ntchito kwambiri pazida zam'manja monga makompyuta apakompyuta, makamera amakanema, ndi mauthenga am'manja chifukwa cha maubwino ake apadera.Batire yayikulu ya lithiamu-ion yomwe yapangidwa tsopano yayesedwa m'magalimoto amagetsi, ndipo akuti idzakhala imodzi mwazinthu zazikulu zamagetsi zamagetsi m'zaka za zana la 21, ndipo idzagwiritsidwa ntchito mu satellites, mlengalenga ndi kusungirako mphamvu. .
4. Ntchito yofunikira ya batri
(1) Mphamvu yotseguka ya batire
(2) Kukana kwamkati kwa batri
(3) Mphamvu yogwiritsira ntchito batire
(4) Mphamvu yamagetsi
Mphamvu yamagetsi imatanthawuza mphamvu yamagetsi yomwe imagwiritsidwa ntchito kumapeto onse a batri ndi mphamvu yakunja pamene batire yachiwiri ikuperekedwa.Njira zoyambira zolipirira zimaphatikizapo kuyitanitsa nthawi zonse komanso kuyitanitsa ma voltage pafupipafupi.Nthawi zambiri, kulipiritsa kosalekeza kumagwiritsidwa ntchito, ndipo mawonekedwe ake ndikuti kuyitanitsa kumakhala kokhazikika panthawi yolipiritsa.Pamene kulipiritsa kumapita, zinthu zogwira ntchito zimabwezeretsedwa, malo ochitira ma electrode amachepetsedwa mosalekeza, ndipo polarization ya mota imakulitsidwa pang'onopang'ono.
(5) Mphamvu ya batri
Kuchuluka kwa batire kumatanthawuza kuchuluka kwa magetsi omwe amachokera ku batire, yomwe nthawi zambiri imawonetsedwa ndi C, ndipo chipangizocho chimawonetsedwa ndi Ah kapena mAh.Kuthekera ndi cholinga chofunikira chamagetsi a batri.Mphamvu ya batri nthawi zambiri imagawidwa mu mphamvu zongoyerekeza, mphamvu zogwirira ntchito komanso mphamvu zovoteledwa.
Mphamvu ya batri imatsimikiziridwa ndi mphamvu ya maelekitirodi.Ngati mphamvu za ma elekitirodi sali ofanana, mphamvu ya batire imadalira electrode ndi mphamvu yaing'ono, koma sikutanthauza kuchuluka kwa mphamvu za electrode zabwino ndi zoipa.
(6) Ntchito yosungirako ndi moyo wa batri
Chimodzi mwazinthu zazikulu za magwero amagetsi amagetsi ndikuti amatha kutulutsa mphamvu zamagetsi zikagwiritsidwa ntchito ndikusunga mphamvu zamagetsi pomwe sizikugwiritsidwa ntchito.Zomwe zimatchedwa kusungirako ntchito ndikutha kusungabe kulipira kwa batri yachiwiri.
Ponena za batire yachiwiri, moyo wautumiki ndi gawo lofunikira poyezera momwe batire ikuyendera.Batire yachiwiri imaperekedwa ndi kutulutsidwa kamodzi, yotchedwa cycle (kapena cycle).Pansi pa muyeso wina wa kulipiritsa ndi kutulutsa, kuchuluka kwa nthawi yoyitanitsa ndi kutulutsa yomwe batire ingapirire mphamvu ya batire isanafikire pamtengo winawake imatchedwa kuzungulira kwa batire yachiwiri.Mabatire a lithiamu-ion ali ndi magwiridwe antchito abwino kwambiri osungira komanso moyo wautali wozungulira.
Mabatire a Lithium - Mawonekedwe
A. Kuchuluka kwa mphamvu zamagetsi
Kulemera kwa batri ya lithiamu-ion ndi theka la batri ya nickel-cadmium kapena nickel-hydrogen batire ya mphamvu yomweyi, ndipo voliyumu ndi 40-50% ya nickel-cadmium ndi 20-30% ya batri ya nickel-hydrogen. .
B. Kukwera kwamagetsi
Mphamvu yogwiritsira ntchito batri imodzi ya lithiamu-ion ndi 3.7V (mtengo wapakati), womwe ndi wofanana ndi mabatire atatu a faifi tambala-cadmium kapena nickel-metal hydride olumikizidwa mndandanda.
C. Palibe kuipitsa
Mabatire a lithiamu-ion alibe zitsulo zovulaza monga cadmium, lead, ndi mercury.
D. Lilibe zitsulo za lithiamu
Mabatire a lithiamu-ion alibe zitsulo zachitsulo choncho satsatira malamulo monga kuletsa kunyamula mabatire a lithiamu pa ndege zonyamula anthu.
E. Moyo wozungulira kwambiri
Nthawi zonse, mabatire a lithiamu-ion amatha kukhala ndi maulendo opitilira 500 otulutsa.
F. Palibe kukumbukira kukumbukira
Kukumbukira kumatanthawuza chodabwitsa kuti mphamvu ya batri ya nickel-cadmium imachepetsedwa panthawi yolipiritsa ndi kutulutsa.Mabatire a lithiamu-ion alibe izi.
G. Kuthamanga mwachangu
Kugwiritsa ntchito nthawi zonse pakali pano ndi nthawi zonse voteji naupereka voteji oveteredwa 4.2V akhoza mokwanira kulipiritsa batire lifiyamu-ion mu ola limodzi kapena awiri.
Lithium Battery - Mfundo ndi Kapangidwe ka Battery ya Lithium
1. Kapangidwe ndi mfundo yogwirira ntchito ya batri ya lithiamu ion: Batire yotchedwa lithiamu ion batire imatanthawuza batri yachiwiri yomwe imakhala ndi zinthu ziwiri zomwe zimatha kusinthana mosinthana komanso kusokoneza ma ion a lithiamu ngati ma electrode abwino komanso oipa.Anthu amatcha batire iyi ya lithiamu-ion ndi njira yapadera, yomwe imadalira kusamutsidwa kwa ayoni a lithiamu pakati pa maelekitirodi abwino ndi oipa kuti amalize batire ya batire ndi kutulutsa ntchito, monga "batire yogwedeza mpando", yomwe imadziwika kuti "lithiamu batire" .Tengani LiCoO2 mwachitsanzo: (1) Batire ikachajidwa, ma ion a lithiamu amasiyanitsidwa kuchokera ku elekitirodi yabwino ndikulumikizana ndi ma elekitirodi opanda pake, ndipo mosinthanitsa ndi ma elekitirodi amathiridwa.Izi zimafuna electrode kuti ikhale mu lithiamu intercalation pamaso msonkhano.Nthawi zambiri, lithiamu intercalation transition metal okusayidi ndi kuthekera kwakukulu kuposa 3V wachibale kwa lithiamu ndi khola mu mpweya amasankhidwa monga elekitirodi zabwino, monga LiCoO2, LiNiO2, LiMn2O4, LiFePO4.(2) Pazinthu zomwe zili ndi ma electrode olakwika, sankhani mankhwala a lithiamu osakanikirana omwe angathe kukhala pafupi ndi mphamvu ya lithiamu momwe mungathere.Mwachitsanzo, zinthu zosiyanasiyana mpweya monga graphite zachilengedwe, kupanga graphite, mpweya CHIKWANGWANI, mesophase ozungulira mpweya, etc. ndi zitsulo oxides, kuphatikizapo SnO, SnO2, Tin gulu okusayidi SnBxPyOz (x=0.4 ~ 0.6, y = 0.6-0.4, z== (2+3x+5y)/2) ndi zina zotero.
lithiamu batire
2. Batire nthawi zambiri imaphatikizapo: zabwino, zoipa, electrolyte, separator, lead lead, negative plate, central terminal, insulating material (insulator), valve chitetezo (chitetezo), mphete yosindikizira (gasket), PTC (positive control control terminal), batire.Nthawi zambiri, anthu amakhudzidwa kwambiri ndi electrode yabwino, electrode negative, ndi electrolyte.
lithiamu batire
Kuyerekeza kwa batire ya lithiamu-ion
Malinga ndi zida zosiyanasiyana za cathode, zimagawidwa kukhala chitsulo cha lithiamu, cobalt lithiamu, manganese lithiamu, etc.;
Kuchokera kumagulu a mawonekedwe, nthawi zambiri amagawidwa kukhala cylindrical ndi square, ndipo ma polymer lithiamu ion amathanso kupanga mawonekedwe aliwonse;
Malinga ndi zida zosiyanasiyana za electrolyte zomwe zimagwiritsidwa ntchito m'mabatire a lithiamu-ion, mabatire a lithiamu-ion amatha kugawidwa m'magulu awiri: mabatire a lithiamu-ion (LIB) ndi mabatire olimba a lithiamu-ion.PLIB) ndi mtundu wa batri yolimba ya lithiamu-ion.
electrolyte
Shell/Package Barrier Current Collector
Batire yamadzimadzi lithiamu-ion Batire yamadzimadzi chitsulo chosapanga dzimbiri, aluminium 25μPE zojambulazo zamkuwa ndi zojambulazo zotayidwa polima lifiyamu-ion batire ya colloidal polima aluminium/PP filimu yophatikizika popanda chotchinga kapena chojambula chimodzi chamkuwa cha μPE ndi zojambulazo za aluminiyamu
Mabatire a Lithium - Ntchito ya Mabatire a Lithium Ion
1. Kuchuluka kwa mphamvu zamagetsi
Poyerekeza ndi mabatire a NI / CD kapena NI / MH a mphamvu yofanana, mabatire a lithiamu-ion ndi opepuka kulemera kwake, ndipo mphamvu yake yeniyeni ndi 1.5 mpaka 2 nthawi ya mitundu iwiri ya mabatire.
2. Mphamvu yapamwamba
Mabatire a lithiamu-ion amagwiritsa ntchito ma elekitirodi a lithiamu omwe ali ndi electronegative kwambiri kuti akwaniritse ma voltages opitilira 3.7V, omwe ndi ma voliyumu kuwirikiza katatu kuposa mabatire a NI/CD kapena NI/MH.
3. Osaipitsa, okonda zachilengedwe
4. Moyo wautali wozungulira
Kutalika kwa moyo kumaposa nthawi 500
5. Kuchuluka kwa katundu
Mabatire a lithiamu-ion amatha kutulutsidwa mosalekeza ndi mphamvu yayikulu, kotero kuti batire iyi itha kugwiritsidwa ntchito pazida zamphamvu kwambiri monga makamera ndi makompyuta apakompyuta.
6. Chitetezo chabwino kwambiri
Chifukwa cha kugwiritsira ntchito zipangizo zabwino kwambiri za anode, vuto la kukula kwa lithiamu dendrite panthawi yolipiritsa batire limagonjetsedwa, zomwe zimathandizira kwambiri chitetezo cha mabatire a lithiamu-ion.Nthawi yomweyo, zida zapadera zobwezeretsedwa zimasankhidwa kuti zitsimikizire chitetezo cha batri pakugwiritsa ntchito.
Lithium batire - Lithium ion batire ya njira
Njira 1. Batire ya lithiamu-ion isanatuluke pafakitale, wopangayo adachita chithandizo choyambitsa ndikuyimitsidwa, kotero batire ya lithiamu-ion imakhala ndi mphamvu zotsalira, ndipo batire ya lithiamu-ion imayimbidwa molingana ndi nthawi yosintha.Nthawi yosinthayi iyenera kuchitika 3 mpaka 5 nthawi zonse.Kutulutsa.
Njira 2. Musanayambe kulipiritsa, batire ya lithiamu-ion sayenera kutulutsidwa mwapadera.Kutulutsa kosayenera kumawononga batri.Mukamalipira, yesetsani kuyitanitsa pang'onopang'ono ndikuchepetsa kuthamanga;nthawi sayenera kupitirira maola 24.Pokhapokha batire ikadutsa katatu kapena kasanu kokwanira ndikutulutsa m'mizere yotulutsa m'pamene mankhwala ake amkati "adzatsegulidwa" kuti agwiritse ntchito bwino.
Njira 3. Chonde gwiritsani ntchito chojambulira choyambirira kapena choyimira chodziwika bwino.Kwa mabatire a lithiamu, gwiritsani ntchito charger yapadera yamabatire a lithiamu ndikutsatira malangizowo.Apo ayi, batire idzawonongeka kapena ngakhale pangozi.
Njira 4. Batire yomwe yangogulidwa kumene ndi lithiamu ion, choncho nthawi yoyamba ya 3 mpaka 5 yolipiritsa nthawi zambiri imatchedwa nthawi yosintha, ndipo iyenera kulipiridwa kwa maola oposa 14 kuti zitsimikizire kuti ntchito ya lithiamu ion ikugwiritsidwa ntchito mokwanira.Mabatire a lithiamu-ion alibe mphamvu yokumbukira, koma amakhala ndi inertness yamphamvu.Ayenera kutsegulidwa kwathunthu kuti awonetsetse kuti akugwira ntchito bwino m'mapulogalamu amtsogolo.
Njira 5. Batiri la lithiamu-ion liyenera kugwiritsa ntchito chojambulira chapadera, mwinamwake sichikhoza kufika kumalo odzaza ndi kukhudza ntchito yake.Mukatha kulipiritsa, pewani kuyiyika pa charger kwa maola opitilira 12, ndikulekanitsa batire ku chipangizo chamagetsi cham'manja pomwe sichikugwiritsidwa ntchito kwa nthawi yayitali.
Lithium batire - ntchito
Ndi chitukuko chaukadaulo wa ma microelectronics m'zaka za zana la makumi awiri, zida zazing'ono zikuchulukirachulukira tsiku ndi tsiku, zomwe zimayika patsogolo zofunikira zamagetsi.Mabatire a lithiamu ndiye alowa gawo lalikulu lothandiza.
Anayamba kugwiritsidwa ntchito pamtima pacemakers.Chifukwa kuchuluka kwamadzimadzimadzi kwa mabatire a lithiamu ndikotsika kwambiri, mphamvu yotulutsa ndiyotsika.Zimapangitsa kuti zitheke kuyika pacemaker m'thupi la munthu kwa nthawi yayitali.
Mabatire a lithiamu nthawi zambiri amakhala ndi magetsi opitilira 3.0 volts ndipo ndi oyenera kuphatikizira magetsi ophatikizika.Mabatire a manganese dioxide amagwiritsidwa ntchito kwambiri m'makompyuta, zowerengera, makamera, ndi mawotchi.
Chitsanzo cha ntchito
1. Pali mapaketi ambiri a batri monga olowa m'malo okonza paketi ya batri: monga omwe amagwiritsidwa ntchito m'makompyuta apakompyuta.Pambuyo pokonza, zimapezeka kuti paketi ya batriyi ikawonongeka, mabatire okhawo amakhala ndi mavuto.Itha kusinthidwa ndi batire yoyenera ya cell lithiamu.
2. Kupanga tochi yaying'ono yowala kwambiri Wolemba nthawi ina adagwiritsa ntchito batri ya lithiamu ya 3.6V1.6AH yokhala ndi chubu choyera kwambiri chowala kwambiri kuti apange tochi yaying'ono, yosavuta kugwiritsa ntchito, yaying'ono komanso yokongola.Ndipo chifukwa cha kuchuluka kwa batire, imatha kugwiritsidwa ntchito kwa theka la ola usiku uliwonse pafupipafupi, ndipo yakhala ikugwiritsidwa ntchito kwa miyezi yopitilira iwiri popanda kulipiritsa.
3. Njira yamagetsi ya 3V
Chifukwa single cell lithiamu batire voteji ndi 3.6V.Choncho, batire limodzi lifiyamu akhoza m'malo awiri mabatire wamba kupereka mphamvu kwa zipangizo zazing'ono zapakhomo monga mawailesi, walkmans, makamera, etc., amene si kuwala kulemera, komanso kumatenga nthawi yaitali.
Lithium-ion batire anode zakuthupi - lithiamu titanate
Zitha kuphatikizidwa ndi lithiamu manganeti, zida za ternary kapena lithiamu iron phosphate ndi zinthu zina zabwino kupanga 2.4V kapena 1.9V lithiamu ion sekondale mabatire.Komanso, itha kugwiritsidwanso ntchito ngati elekitirodi zabwino kupanga 1.5V lithiamu batire ndi zitsulo lithiamu kapena lithiamu aloyi negative elekitirodi sekondale batire.
Chifukwa cha chitetezo chapamwamba, kukhazikika kwakukulu, moyo wautali ndi makhalidwe obiriwira a lithiamu titanate.Iwo akhoza ananeneratu kuti lifiyamu titanate zakuthupi adzakhala zoipa elekitirodi zakuthupi m'badwo watsopano wa mabatire lifiyamu ion mu zaka 2-3 ndipo chimagwiritsidwa ntchito mu magalimoto atsopano mphamvu, njinga zamoto magetsi ndi amene amafuna chitetezo mkulu, bata mkulu ndi mkombero yaitali.gawo la ntchito.Mphamvu yogwiritsira ntchito lithiamu titanate batire ndi 2.4V, voliyumu yapamwamba kwambiri ndi 3.0V, ndipo pakali pano pali mpaka 2C.
Lithium titanate batire yopangidwa
Positive electrode: lithiamu iron phosphate, lithiamu manganate kapena ternary, lithiamu nickel manganate.
Negative electrode: zinthu za lithiamu titanate.
Chotchinga: Chotchinga cha batri cha lithiamu chomwe chili ndi kaboni ngati electrode yoyipa.
Electrolyte: Lithium batire electrolyte yokhala ndi kaboni ngati electrode yoyipa.
Battery case: Lithium battery case yokhala ndi carbon ngati electrode negative.
Ubwino wa mabatire a lithiamu titanate: kusankha magalimoto amagetsi kuti alowe m'malo mwa magalimoto amafuta ndiye chisankho chabwino kwambiri chothana ndi kuipitsidwa kwa chilengedwe chakumizinda.Pakati pawo, mabatire amphamvu a lithiamu-ion akopa chidwi cha ofufuza.Kuti akwaniritse zofunikira zamagalimoto amagetsi pamabatire amphamvu a lithiamu-ion pa bolodi, kafukufuku ndi chitukuko Zipangizo zosayenera zokhala ndi chitetezo chokwanira, magwiridwe antchito abwino komanso moyo wautali ndi malo ake otentha komanso zovuta.
Ma electrode a batri a lithiamu-ion amawononga ma electrode makamaka amagwiritsa ntchito zida za kaboni, koma pali zovuta zina pakugwiritsa ntchito mabatire a lithiamu pogwiritsa ntchito mpweya ngati electrode yoyipa:
1. Lithium dendrites amawombera mosavuta panthawi yowonjezereka, zomwe zimapangitsa kuti pakhale kagawo kakang'ono ka batri ndikukhudza ntchito ya chitetezo cha batri ya lithiamu;
2. Ndizosavuta kupanga filimu ya SEI, zomwe zimapangitsa kuti pakhale ndalama zochepa zoyamba ndi kutulutsa mphamvu komanso mphamvu zazikulu zosasinthika;
3. Ndiko kuti, voteji ya nsanja ya carbon carbon ndi yochepa (pafupi ndi zitsulo za lithiamu), ndipo n'zosavuta kuchititsa kuwonongeka kwa electrolyte, zomwe zidzabweretsa zoopsa za chitetezo.
4. Pogwiritsa ntchito kuyika kwa lithiamu ion ndi kuchotsa, voliyumu imasintha kwambiri, ndipo kukhazikika kwa mkombero kumakhala kosauka.
Poyerekeza ndi zida za kaboni, mtundu wa spinel Li4Ti5012 uli ndi zabwino zambiri:
1. Ndizinthu zopanda mphamvu za zero ndipo zimakhala ndi kayendedwe kabwino ka kayendedwe kake;
2. Kuthamanga kwamagetsi kumakhala kokhazikika, ndipo electrolyte sichitha, kupititsa patsogolo chitetezo cha batri la lithiamu;
3. Poyerekeza ndi zipangizo za carbon anode, lithiamu titanate ili ndi mphamvu yowonjezera ya lithiamu ion (2 * 10-8cm2 / s), ndipo imatha kulipira ndi kutulutsidwa pamtengo wapamwamba.
4. Kuthekera kwa lithiamu titanate ndipamwamba kuposa zitsulo zoyera za lithiamu, ndipo sikophweka kupanga lithiamu dendrites, zomwe zimapereka maziko owonetsetsa kuti mabatire a lithiamu atetezeke.
kukonza dera
Zili ndi ma transistors awiri oyendetsa ntchito komanso chosungira chokhazikika chokhazikika chokhazikika S-8232.The overcharge control chubu FET2 ndi overdischarge control chubu FET1 amalumikizidwa motsatizana ndi dera, ndipo mphamvu ya batire imayang'aniridwa ndikuwongoleredwa ndi IC yokonza.Mphamvu ya batri ikakwera kufika pa 4.2V, chubu chowongolera chowonjezera FET1 chimazimitsidwa, ndipo kulipiritsa kumatha.Pofuna kupewa kusokonezeka, capacitor yochedwa nthawi zambiri imawonjezeredwa kudera lakunja.Batire ikatha, mphamvu ya batire imatsika mpaka 2.55.
Nthawi yotumiza: Mar-30-2023