“” yana nufin amfani da polymers a matsayin electrolytes, wanda aka raba musamman zuwa semi-polymer da duk-polymers. Semi-polymer yana nufin shafa polymer (yawanci PVDF) akan mai rarrabawa don ƙara ƙarfin baturi kuma baturi mai ƙarfi, yayin da electrolyte ɗin har yanzu ruwa ne.

“Total polymer” yana nufin amfani da polymer don samar da hanyar sadarwa ta gel a cikin baturi, sannan a yi amfani da electrolyte don samar da electrolyte. Ko da yake duk batura polymer har yanzu suna amfani da ruwa masu lantarki, amfani da su ya ragu sosai, yana inganta amincin baturan lithium. Kamar yadda na sani, Sony kawai a halin yanzu yana samar da batir lithium-polymer gabaɗaya.

A gefe guda kuma, baturan polymer suna nufin batura masu amfani da fim ɗin filastik na aluminum a matsayin marufi na waje na baturan lithium, wanda kuma aka sani da batura masu laushi. Fim ɗin marufi ya ƙunshi PP Layer, Al Layer da nailan Layer. Saboda polypropylene da nailan su ne polymers, waɗannan ƙwayoyin ana kiran su kwayoyin polymer.

1. pricearancin farashi

Farashin kasa da kasa na 18650 shine kusan $1/PCS, kuma farashin 2Ah shine kusan yuan 3/Ah. Farashin ƙananan ƙarshen baturin lithium na polymer shine yuan 4/Ah, farashin tsakiyar ƙarshen shine 5-7 yuan/Ah, kuma farashin tsakiyar ƙarshen shine yuan 7. Misali, ATL da ikon allah na iya siyar da kusan yuan 10/ah, amma ƴan matan ku ba sa son karɓar su.

2. Ba za a iya musamman

Sony ya kasance yana ƙoƙarin yin batir lithium kama da batir alkaline. 5 baturi, no. Batura 7 iri ɗaya ne a duk faɗin duniya. Amma wani muhimmin fa’ida na baturan lithium shine cewa ana iya tsara su bisa ga bukatun abokin ciniki, don haka babu daidaitattun daidaito. Ya zuwa yanzu, akwai ainihin misali guda ɗaya kawai 18650 a cikin masana’antar batirin lithium, sauran kuma an tsara su don biyan bukatun abokin ciniki.

3. Rashin tsaro

Mun san cewa a ƙarƙashin matsanancin yanayi (kamar ƙarin caji, zafi mai zafi, da dai sauransu), wani mummunan tasirin sinadari yana faruwa a cikin baturin lithium, yana haifar da adadi mai yawa na iskar gas. Batirin 18650 yana da rumbun ƙarfe tare da takamaiman ƙarfi. Lokacin da matsa lamba na ciki ya kai wani matakin, harsashi na karfe zai fashe kuma ya fashe, yana haifar da mummunar haɗari na aminci.

Wannan shine dalilin da ya sa dakin da aka gwada baturin 18650 yawanci ana kiyaye shi sosai kuma ba zai iya shiga yayin gwajin ba. Batura polymer ba su da wannan matsala. Ko da a ƙarƙashin yanayin matsananciyar yanayi, saboda ƙananan ƙarfin fim ɗin marufi, matsa lamba zai zama dan kadan kadan, fashewa ba zai fashe ba, kuma a cikin mafi munin yanayi zai ƙone. Batura polymer sun fi batura 18650 aminci.

4. Ƙarƙashin ƙarancin makamashi

Matsakaicin ƙarfin baturi na 18650 na iya kaiwa kusan 2200mAh, don haka yawan kuzarin shine kusan 500Wh/L, yayin da ƙarfin ƙarfin baturi na polymer zai iya zama kusa da 600Wh/L.

Amma batir polymer suma suna da illa. Abu mai mahimmanci shine tsada mai tsada, saboda ana iya tsara shi gwargwadon bukatun abokin ciniki, kuma dole ne a haɗa da bincike da haɓakawa a nan. Bugu da ƙari, siffar yana canzawa kuma iri-iri yana da fadi. Abubuwan da ba daidai ba iri-iri da aka haifar yayin aikin masana’anta kuma suna haifar da sabbin farashi. Rashin ƙarancin ƙarfin baturi na polymer da kansa kuma yana kawo sassaucin ƙira, kuma sau da yawa ana sake tsara shi don abokan ciniki don samar da bambancin 1mm.