Kodi Maselo a Prismatic Ndi Chiyani?

Ma cell a Prismatic ndi ma cell batri a rectangular a lifiyamu-omwe amaikidwa mu aluminiyamu kapena nyumba yachitsulo. Mawonekedwe ake athyathyathya, a bokosi{2}}monga mabokosi amalola kuti ma module a batire asungidwe bwino, kuwapangitsa kukhala osiyana ndi ma cell a silinda omwe amagwiritsa ntchito maelekitirodi ogudubuzika m'makesi ozungulira.

Mkati mwa maselo a prismatic, mapepala a electrode omwe ali ndi anode, cathode, ndi olekanitsa amaikidwa m'magulu kapena amakulungidwa ndikuphwanyidwa. Kukonzekera kumeneku kumapangitsa opanga kupanga maselo akuluakulu omwe amasunga mphamvu zambiri pa unit poyerekeza ndi njira zina zozungulira. Selo limodzi la prismatic litha kukhala ndi mphamvu yofanana ya 20 mpaka 100 ma cell a cylindrical, omwe amachepetsa kwambiri kuchuluka kwa kulumikizana kwamagetsi komwe kumafunikira mu mapaketi a batri.

Kupanga ma cell a prismatic kumatsatira njira ziwiri zoyambirira. Maselo a prismatic owunjikidwa amakhala ndi zigawo za elekitirodi zokhazikika pamwamba pa mnzake, pomwe ma cell a prismatic ogubuduzika amagwiritsa ntchito maelekitirodi kukhala ozungulira mozungulira asanapanikizidwe mubokosi lamakona anayi. Kapangidwe kalikonse kamapereka -zosiyana pakati pa kupanga bwino ndi momwe zimagwirira ntchito.

Kunja kwa aluminiyumu kapena chitsulo kumagwira ntchito zingapo kupitilira chitetezo chosavuta. Zimapangitsa kusasunthika, zimawongolera kuthamanga kwamkati mkati mwacharge-zikutha kutulutsa, komanso zimathandizira pakutha kwa kutentha. Makulidwe a casing nthawi zambiri amakhala mozungulira 1.1mm kwa zipolopolo za aluminiyamu, zomwe zimayenderana ndi chitetezo ndikuwunika kulemera. Chotchinga cholimbachi chimasiyanitsa ma cell a prismatic kuchokera ku ma cell a thumba, omwe amagwiritsa ntchito zolembera zosinthika za aluminium laminate.

Kuphatikiza kwa electrode kumafuna kulondola. Posanjikizana, mapepala onse a anode amalumikizana ndi magetsi, monganso mapepala onse a cathode, asanalowe m'bokosi. Mapangidwe ogubuduza zigawo za ma elekitirodi amphepo pa jig, kenaka muwaphwanye kuti akwaniritse mawonekedwe amakona anayi. Kusankha pakati pa njirazi kumakhudza kachulukidwe ka mphamvu, kachulukidwe kakatenthedwe ka kutentha, ndi kutulutsa kwa zinthu zopanga.

Prismatic Cells

Geometry ya rectangular imapereka kusintha kwakukulu pakunyamula bwino. Mukakonzedwa m'ma module a batri, ma cell a prismatic amachotsa mipata ya mpweya yomwe imapangidwa ndi ma cylindrical cell configuration. Izi zimatanthawuza kuchulukira kwa mphamvu zamagetsi-nthawi zambiri 600-700 Wh/L poyerekeza ndi 500-600 Wh/L ya ma cylindrical cell.

Pogwiritsa ntchito magalimoto amagetsi, kukhathamiritsa kwa malowa kumakhala kofunikira kwambiri. Thelithiamu galimoto batiremapaketi mu ma EV amakono amapindula ndi kuthekera kwa ma prismatic cell kukulitsa kusungirako mphamvu mkati mwazomanga zamagalimoto. Opanga amatha kupanga zotsekera mabatire zomwe zimagwiritsa ntchito pafupifupi kiyubiki centimita iliyonse, kuwongolera mwachindunji kuchuluka kwa magalimoto popanda kukulitsa kukula kwake.

Kupititsa patsogolo kwaposachedwa kumawonjezera malire awa. Lifiyamu manganese a LG Energy Solution a GM ndi LG Energy Solution-maselo olemera a prismatic, omwe akuyembekezeka kupanga malonda mu 2028, akuwonetsa 33% kuchuluka kwa mphamvu zamagetsi poyerekeza ndi ma cell a lithiamu iron phosphate pamitengo yofanana. Kupambanaku kumayang'ana magalimoto amagetsi omwe amafunikira mtunda wopitilira 400 mailosi ndikuchepetsa mtengo wa batire.

Kuvuta kwa msonkhano wa batri kumatsika kwambiri ndi ma cell a prismatic. Phukusi lomwe limafunikira ma cylindrical cell 100 lingafunike ma cell 5-10 okha kuti akwaniritse mphamvu zofanana. Maselo ochepa amatanthawuza ma welds ochepa, malo ochepa omwe angathe kulephera, komanso kuchepetsa nthawi yopangira.

Mapangidwe a kulumikizana kwamagetsi amasiyana kwambiri. Ma cell a Prismatic amakhala ndi ma terminals pamwamba kapena kumapeto, kupangitsa kulumikizana molunjika kapena mndandanda. Njira zamakono zopangira, monga ENNOVI's one{{2}step lamination process, kuphatikiza ma circuit otsika-voltage, high{4}}voltage aluminum current collectors, ndi materminal busbars mu ntchito imodzi. Kupanga uku kumachotsa njira zingapo zolumikizirana ndikuwongolera kudalirika.

Komabe, izi zimapanga chiopsezo. Ngakhale mapaketi a cylindrical cell amatha kupitiliza kugwira ntchito ndi mphamvu zochepa ngati ma cell alephera, kulephera kwa cell imodzi kumatha kukhudza gawo lonselo. Makina oyang'anira mabatire ayenera kupereka chitetezo champhamvu pa selo iliyonse kuti achepetse ngoziyi.

Kutentha kwa kutentha kumapereka ubwino ndi zovuta za maselo a prismatic. Malo akuluakulu, ophwanyika amathandizira kukhudzana kwachindunji ndi mbale zozizirira kapena makina oyendetsera kutentha. Okonza atha kumamatira zinthu zoziziritsa kumaso a cell, zomwe zimathandiza kuti azitha kutentha bwino panthawi yochanga kapena{2}kutulutsa mphamvu zambiri.

Komabe compact stacking yomwe imapangitsa kachulukidwe ka mphamvu kachulukidwe ka mphamvu imayang'ananso kutentha. Maselo angapo a prismatic atapanikizidwa palimodzi amatha kupanga ma gradient otentha ngati makina ozizirira sachita bwino. Malo otentha amapanga pamene kutentha kumachuluka mofulumira kusiyana ndi kutayika. Kuwongolera kwapamwamba kwa kutentha kumakhala kofunika kwambiri, makamaka pamapulogalamu{3}}apamwamba kwambiri.

Ma cylindrical cell amapindula mwachilengedwe ndi mipata pakati pa mayunitsi, zomwe zimapangitsa kuti mpweya uzizizira. Zochunira ma prismatic zimafunika njira zoziziritsira mwaukadaulo-zozizira zamadzimadzi, gawo{2}}zosintha, kapena ma graphene-mapadi otenthetsera. Opanga ena tsopano amaphatikiza gawo-zosintha zosintha m'mapaketi a prismatic, zomwe zimayamwa kutentha pakachaji ndikuzitulutsa pang'onopang'ono pambuyo pake. Ma prototypes oyambirira amakhalabe okhazikika pa kutentha kwa madigiri 45 ndi kutentha kwapakati pa 5 digiri kukwera pa 0.5C.

Makina opanga ma cell a prismatic amakhala kumbuyo kwa ma cylindrical cell kupanga. Mawonekedwe a Cylindrical monga 18650 ndi 21700 amapindula ndi njira zotsatiridwa zaka makumi ambiri, zomwe zimathandiza{3}}kutulutsa mawu okwera ndi mtundu wosasinthasintha. Ma cell a Prismatic alibe miyezo yapadziko lonse lapansi-kupatula VDA PHEV2 yodziwika bwino m'magalimoto aku Germany.

Kusakhazikika kumeneku kukutanthauza kuti maselo ambiri a prismatic ndi makonda-opangidwa kuti azigwiritsidwa ntchito zinazake. Opanga amapanga miyeso, mphamvu, ndi masinthidwe apadera kuti akwaniritse zosowa za makasitomala. Ngakhale kusinthasintha kumeneku kumathandizira kuphatikiza kokwanira, kumakweza ndalama ndikuwonjezera kuchuluka kwa dongosolo. Kuyesa ndi kutsimikizira kuyenera kumalizidwa payekhapayekha pamapangidwe aliwonse.

Kulondola komwe kumafunikira pakupanga ma electrode stacking kapena kugudubuza kumawonjezera kupanga zovuta. Zigawo ziyenera kulumikizidwa bwino kuti zipewe mabwalo amkatikati. Kuwongolera kwabwino kumakhala kofunikira kwambiri poyerekeza ndi njira zokhwima, zodziwikiratu kwambiri zama cell a cylindrical. Zinthuzi zimathandizira kuti-zichuluke pamitengo, ngakhale kuti kuchuluka kwa ndalama kumachepera pang'onopang'ono pamene kuchuluka kwa zinthu zopanga kumakwera.

Maselo a Prismatic amafunikira kukanikizana kwakunja kuti agwire bwino ntchito pa moyo wawo wonse. Pamene ma cell amalipiritsa, ma ion a lithiamu amasamukira ku anode ya graphite, zomwe zimapangitsa kukula kwa makulidwe. Silikoni-manode owonjezera amakulitsa kutupa uku kwambiri. Popanda kupanikizika kosalekeza kwa ndege zama elekitirodi, zigawo zimatha kutsika, kuchepetsa malo ogwirira ntchito komanso kuwononga mphamvu.

Ma module odziwika a batri amagwiritsa ntchito mphamvu zoyambira kuzungulira 3kN kuti atsirize mbale zama cell amtundu wa PHEV2. Kuthamanga kumeneku kumapangitsa kuti ma elekitirodi azilumikizana nthawi yonseyi{3}}pang'onopang'ono poyendetsa njinga, kuteteza kutopa ndi kuthyoka kwa makina. Mapangidwe a ma module amayenera kuwerengera zofunikira zonse zoyambira komanso kupanikizika kowonjezereka kumapeto kwa moyo.

Makona owongoka a ma cell a rectangular prismatic amayimira zofooka zamapangidwe. Maderawa amayang'ana kwambiri kupsinjika kwamakina kuchokera ku vibrate ndi zotsatira zake. Malo otchinga amayenera kuteteza ma cell mokwanira, makamaka pamagalimoto omwe amakhazikika pakatentha kwambiri komanso momwe msewu ulili wofunikira. Choyikacho cholimba chimapereka chitetezo, koma nthawi zambiri chimakhala chocheperako kuposa mphamvu zamakina zama cell a cylindrical.

Prismatic Cells

Ma cell a prismatic amakhala ndi ma lithiamu-osiyanasiyana opangira ma ion chemistry, iliyonse yogwirizana ndi zochitika zosiyanasiyana. Lithium iron phosphate chemistry imagwirizana bwino ndi mawonekedwe a prismatic. Mabatire a LFP amagwiritsa ntchito zinthu zambiri, zotsika mtengo-zofunika-kupewa cobalt ndi faifi wokwera mtengo{5}pomwe akupereka kukhazikika kwamafuta komanso moyo wautali wautali wopitilira ma cycle 3,000.

Nickel manganese cobalt ndi faifi tambala cobalt aluminiyamu chemistries amawonekeranso mu prismatic kasinthidwe, kulunjika ntchito amafuna kachulukidwe mphamvu kwambiri. Kusinthasintha kwa mawonekedwe kumalola opanga kukhathamiritsa kusankha kwa chemistry kuti akwaniritse zofunikira zinazake popanda kukonzanso kamangidwe kake ka batri.

Magalimoto amagetsi amayimira ntchito yayikulu, makamaka m'misika yaku Asia komwe opanga amaika patsogolo ma cell a LFP prismatic. Mabatire amenewa amayendera{1}mitundu yosiyanasiyana ya Tesla yopangidwa ku China, pakati pa magalimoto ena ambiri. Kukwanira kwa malo amtunduwo komanso ubwino wake wamtengo wapatali umagwirizana ndi EV economics. Makina osungira magetsi a grid-masikelo ndi kuphatikiza mphamvu zongowonjezwwdwanso amakondanso ma cell a prismatic kuti akhale olimba, moyo wautali, komanso kutsika kwachiwopsezo chamoto poyerekeza ndi zina zozungulira.

Zida zamagetsi za ogula zimagwiritsa ntchito ma cell ang'onoang'ono a prismatic pazida monga mafoni a m'manja, mapiritsi, ndi ma laputopu pomwe mbiri zowonda zimafunikira. Zida zamankhwala, makina osunga zobwezeretsera ma telecommunication, ndi zida zamagetsi zopanda zingwe zimayimira misika yowonjezera yomwe imathandizira ubwino wamtunduwu.

Mukawunika mitundu yama cell a batri, ma metric angapo owerengeka amatanthauzira mawonekedwe a magwiridwe antchito. Maselo a Prismatic nthawi zambiri amapereka mphamvu kuyambira 20Ah mpaka 300Ah pa selo. Ma cell a Cylindrical amafika pafupifupi 5-6Ah pamawonekedwe wamba ngati 21700, ngakhale cell ya Tesla ya 4680 imafika pafupifupi 25Ah.

Kachulukidwe ka magetsi kumabweretsa kusinthanitsa-. Ma cell ozungulira amatha kufika 1,500 W/kg, kupindula ndi maulumikizidwe ochulukirapo-ola lililonse. Ma cell a prismatic amafika 1,000-1,200 W/kg, zomwe zimayika patsogolo kusungirako mphamvu kuposa kutumiza magetsi nthawi yomweyo. Izi zimapangitsa ma cell a cylindrical kukhala okonda kugwiritsa ntchito bwino kwambiri omwe amafunikira kutulutsa mphamvu mwachangu, pomwe ma cell a prismatic amapambana pamapulogalamu omwe amafuna kuti magetsi azitulutsa.

Kuchuluka kwa mphamvu ya gravimetric kumakomera ma cell a cylindrical pafupifupi 260 Wh/kg motsutsana ndi 200 Wh/kg pakusintha kwa prismatic. Kusiyanaku kumachokera ku zofunikira za ma casing material-ma cell a prismatic amafuna makoma okhuthala kuti alipirire kuchepa kwa kukhazikika kwa makina poyerekeza ndi cylindrical geometry. Komabe, kuchuluka kwa mphamvu za volumetric kumasintha mwayiwu, ndi ma cell a prismatic omwe amagwiritsa ntchito danga moyenera.

Kutalika kwa moyo wa mkombero kumasiyana malinga ndi chemistry ndi momwe amagwirira ntchito osati mawonekedwe a cell okha. Mitundu yonseyi imatha kupitilira mizere ya 2,000 ndikuwongolera koyenera. Ma cell a Prismatic LFP nthawi zambiri amapitilira mizungu 5,000 pakugwiritsa ntchito bwino. Chosiyanitsa chachikulu chagona m'mene zinthu zakunja{7}}kuwongolera kutentha, mitengo yolipiritsa, kuya kwa madzimadzi{8}}kukhudzira moyo wautali.

Zachuma zopangapanga zimakhudza kwambiri kusankha kwa ma cell. Ma cell a Cylindrical amapindula ndi zomangamanga zokhwima ndi kukhazikika, zomwe zimapangitsa kuti zitsike pa-kilowatt-ola lililonse likapangidwa pamlingo wina. Njira zokhotakhota zokha komanso zaka makumi ambiri zoyengedwa zimapangitsa kuti zitulutsidwe mwachangu komanso mosasinthasintha.

Mitengo yopangira ma cell a prismatic imakhalabe yokwera chifukwa cha makonda komanso ma automation ochepa. Komabe, -zachuma zadongosolo zitha kukomera ma cell a prismatic. Maselo ochepa pa paketi iliyonse amachepetsa ntchito yosonkhanitsa, amachepetsa kasamalidwe ka batri, ndikuchepetsa kuchuluka kwa weld. Pazifukwa zazikulu-zokhala ngati magalimoto oyendera magetsi kapena malo osungira ma gridi, ndalamazi zimatha kuchepetsa mitengo yamafoni okwera kwambiri.

Ndalama zogulira zida zimakhudza mitundu yonseyi mofanana, ngakhale zosankha zama chemistry ndizofunikira kwambiri kuposa mawonekedwe a cell. Kusintha kwa chemistry ya LFP m'maselo a prismatic kumabweretsa manganese ndi chitsulo chochuluka m'malo mosowa cobalt ndi faifi tambala, zomwe zingathe kuchepetsa mtengo wa zinthu ndi 20-40% poyerekeza ndi makemisti olemera ndi faifi tambala.

Ndalama zoyesera ndi ziphaso zimawonjezera mtengo wama cell a prismatic pomwe mapangidwe alibe kukhazikika. Mtundu uliwonse wapadera umafunika kutsimikiziridwa kosiyana, kuonjezera nthawi-yo{2}}yogulira ndi kukonza zinthu. Kuyesetsa kwamakampani kuti akhazikitse bwino kungathe kuchepetsa kusiyana kumeneku, ngakhale kuti msika umakonda kugwiritsa ntchito-kukhathamiritsa kwachindunji kuposa mitundu yonse.

Chitetezo cha batri chimaphatikizapo mitundu ingapo ya kulephera-kuthamanga kwa matenthedwe, mafupipafupi amkati, kutuluka kwa electrolyte, ndi kuwonongeka kwa makina. Maselo a Prismatic amalimbana ndi zoopsa zina pomwe akuyambitsa zina. Chophimba chachitsulo cholimba chimapereka chitetezo chabwinoko pakubowoleza kwakunja poyerekeza ndi ma cell a thumba, ngakhale chimapereka mphamvu zamakina ochepa kuposa ma cylindrical designs.

Mphamvu yokulirapo pa selo imayika mphamvu zambiri mugawo limodzi. Kulephera mu selo limodzi la prismatic kumatha kutulutsa mphamvu zambiri kuposa kulephera kwa ma cylindrical cell. Komabe, ma cell owerengeka ochepa mu paketi amachepetsa kuchuluka kwa zomwe zingathe kulephera. Kugulitsa kumeneku{{3}kukufunika kumafunika kukonza bwino batire kuti iwunikire voteji ya selo iliyonse, kutentha, ndi mmene akulipirira.

Chemistry ya LFP m'maselo a prismatic imapereka zabwino zotetezedwa. Lithium iron phosphate imasonyeza kukhazikika kwa kutentha poyerekeza ndi faifi tambala-zopangira mankhwala a cobalt, zomwe zimakhala ndi chiopsezo chochepa cha kutha kwa matenthedwe ngakhale pamene akuzunzidwa. Zinthuzi sizitulutsa mpweya pakatentha, kuchepetsa ngozi ya moto. Khalidweli limapangitsa ma cell a LFP prismatic kukhala okongola kwambiri pazosungirako zosungirako pomwe chitetezo chimaposa zofunikira za kachulukidwe kamphamvu.

Opanga amaphatikiza zinthu zingapo zachitetezo-zolowera zochepetsera kupsinjika, zida zomwe zikudulidwira, ma fuse otenthetsera, ndi zolekanitsa zamoto{1}}zolephereka. Dongosolo loyang'anira mabatire limapereka njira yoyamba yodzitchinjiriza, kuteteza kuchulukitsitsa,{3}}kutulutsa, komanso kutentha kwambiri komwe kungayambitse kulephera.

Msika wapadziko lonse wa prismatic cell ukuwonetsa njira zokulirapo. Kuwerengera kwa msika kumachokera ku $ 7.5 biliyoni mpaka $ 12.5 biliyoni mu 2024, ndikuyerekeza kufika $ 35.2 biliyoni pofika 2033. Izi zikuyimira kukula kwapachaka pakati pa 9.5% ndi 15%, moyendetsedwa makamaka ndi kutengera magalimoto amagetsi ndi kukulitsa mphamvu zongowonjezwdwa zosungirako.

Asia{{0}Pacific ndiye amatsogola kupanga zinthu, zomwe zimachititsa pafupifupi 45-70% ya zinthu zonse padziko lonse lapansi. China imatsogolera mphamvu zopanga, ndi osewera akuluakulu kuphatikiza CATL, BYD, ndi LG Chem yogwiritsa ntchito ma gigafactories omwe amapanga ma cell a prismatic pamlingo waukulu. Malo aku Europe aku Northvolt ku Norway, akulunjika 60 GWh pachaka mu 2024, akuyimira fakitale yayikulu kwambiri ya lithiamu-ion batire kunja kwa Asia.

Zamakono zamakono zikupitirirabe. Kukula kwa batri yolimba-kulonjeza mphamvu zochulukirachulukira komanso kutetezedwa bwino, zokhala ndi mawonekedwe owoneka bwino-zotha kutengera ma electrolyte olimba. Kufufuza mu silicon anode, graphene thermal management materials, ndi advanced cathode chemistries kudzapindulitsa mapangidwe a cell a prismatic.

Msewu wamabatire amakampani amagalimoto akuphatikiza ma cell a prismatic. Volkswagen ikukonzekera kugwiritsa ntchito ma cell a prismatic mu 80% ya ma EV ake pofika chaka cha 2025, kugwiritsa ntchito mitundu itatu yosiyanasiyana ya ma chemistry-LFP, manganese{{4}potengera, ndi faifi tambala-olemera-kuti apititse patsogolo mtengo ndi magwiridwe antchito pamagawo agalimoto. Njira yosinthira iyi imathandizira opanga kuti agwirizane ndi mawonekedwe a batri ndi zofunikira zagalimoto popanda kusintha kwamitundu yonse.

Mtsutso wa prismatic ndi cylindrical ulibe yankho lachilengedwe chonse. Mtundu uliwonse umapambana muzochitika zinazake. Ma cell a cylindrical amafanana ndi ntchito zomwe zimafuna mphamvu zambiri, kuwongolera bwino kwamatenthedwe, komanso kulimba kwamakina. Zida zamagetsi, e{3}}njinga, ndi{4}}magalimoto otsogola kwambiri zomwe zimapindulitsa kwambiri. Standardization imathandizira kupanga mapangidwe mwachangu komanso kupeza zigawo.

Maselo a prismatic amatsimikizira bwino momwe malo amagwirira ntchito, kuchuluka kwa cell pa cell, komanso kuchepetsedwa kwa kulumikizidwa kumawerengera mtengo. Zazikulu-ma EV amtundu, makina osungira ma gridi, ndi mphamvu zosunga zobwezeretsera zamatelefoni zimapindula ndi izi. Kutha kusintha miyeso yamapulogalamu enaake kumathandizira kuphatikizana kolimba ndi kamangidwe kadongosolo.

Opanga mabatire amatengera njira zosakanizidwa, ndikusankha mawonekedwe a cell kutengera gawo lagalimoto ndi kagwiritsidwe ntchito. Mayendedwe-magalimoto ongoyang'ana amatha kugwiritsa ntchito ma cylindrical cell pakuchulukira mphamvu kwamphamvu. Magalimoto amagetsi-ambiri omwe amayang'ana kusiyanasiyana komanso kutsika mtengo kwawo kumayendera ma cell a prismatic. Magalimoto ndi magalimoto ogulitsa omwe amafunikira kusungirako mphamvu zambiri m'ma voliyumu osasunthika amasankha masinthidwe a prismatic.

Kusinthasintha kwa msika kumalimbikitsa kupitiliza kukhalirana m'malo mongolamulira mawonekedwe. Kupititsa patsogolo kwa kupanga, kupititsa patsogolo chemistry, ndi kuchepetsa mtengo zidzayendera limodzi ndi mitundu yonseyi. Chisankho choyenera chimadalira ntchito-zofunika kwambiri-kuchulukira kwa mphamvu, kuchuluka kwa mphamvu, mtengo, moyo wautali, chitetezo, ndi zovuta zamtundu.

Prismatic Cells

Maselo a prismatic nthawi zambiri amakhala 2,000 mpaka 7,000 kutengera chemistry ndi momwe amagwirira ntchito. Maselo a LFP prismatic nthawi zambiri amapitilira mizere ya 5,000 ndikuwongolera koyenera komanso kupewa kutulutsa kwakukulu pansi pa 20% yamalipiro. Moyo wozungulira umamasuliridwa kukhala zaka 5-10 pazogwiritsa ntchito zambiri.

Maselo a prismatic amathandizira kulipiritsa mwachangu ndi machitidwe oyenera owongolera matenthedwe. Mapulani ambiri amatengera mitengo yolipiritsa ya 1C mpaka 2C, kutanthauza kuti imatenga mphindi 30-60. Njira zoziziritsira zapamwamba zogwiritsa ntchito kuziziritsa kwamadzimadzi kapena zinthu zosinthira gawo zimalepheretsa kutentha kwambiri pakuchapira mwachangu, kusunga thanzi la cell ndi chitetezo.

Pa-mtengo wa ma cell a ma prismatic unit nthawi zambiri umaposa ma cylindrical cell chifukwa chakusintha mwamakonda ake komanso kutsika kwa makina. Komabe,-ndalama zochulukira zitha kukhala zokomera mapangidwe ang'onoang'ono kudzera pakuchepetsa kuphatikizika ndi zida zocheperako. Ndalama zonse za umwini zimatengera ntchito-zinthu zachindunji kuphatikizapo kuchuluka kwa zinthu zomwe zimapangidwa, kusakanikirana, ndi kuchuluka kofunikira.

Maselo a prismatic amatha kubwezeretsedwanso. Chophimba cha aluminiyamu kapena chitsulo chimatha kupatulidwa ndikukonzedwa mopanda zinthu zogwira ntchito. Lithiamu, cobalt, faifi tambala, ndi manganese zitha kupezedwanso ndikugwiritsidwanso ntchito m'mabatire atsopano. Zokonzanso zobwezeretsanso zikupitilira kukula kuti zithandizire kukula kwa mabatire kuchokera pamagalimoto amagetsi ndi makina osungira mphamvu mpaka kumapeto kwa moyo.