Dalilai da nau'in bincike na fashewa gama gari na baturan lithium

2022/04/08

Mawallafi: Iflowpower -Mai Bayar da Tashar Wutar Lantarki

1, albarkatun kasa, kasancewar matsaloli masu inganci masu ƙarfi, ƙarancin ingancin lantarki; 2, guntun sandar igiyar ruwa, ruwa da bayani na electrolytic, akwai babban adadin gas da zafi; 3, adadin ruwa ya ragu, caji da fitarwa Ya girma, yana shafar watsa lithium ion; 4, waldawar murfin, tsarin rufewa ba shi da kyau, aikin rufewa ba shi da kyau, akwai zubar da ruwa, an shigar da danshi na waje; 5, ƙananan ƙananan ƙananan ƙananan ciki, ƙura ce mai ƙura, wanda ya fi samuwa daga yankan sanda kuma yanke wuka da burrs; 6, halin yanzu yana da girma, ƙananan lantarki ba ya karɓar ƙarin ions lithium, samar da dendrites, da'irar gajeriyar diaphragm; 7, baturin ya yi yawa, tsarin kayan ya ruguje, mai ɗaure lithium yana ƙirƙirar diaphragm mai huda. Nau'in fashewar yana lalata nau'in fashewar batirin lithium-ion, an raba shi sosai zuwa gajeriyar da'ira da wuce gona da iri, gajeriyar da'ira kuma ta kasu zuwa gajeriyar da'ira ta ciki da gajeriyar kewayawa ta waje. Bari muyi magana game da gajeren kewaye na waje, ƙa'idar mai sauƙi ce, kayan aiki mai mahimmanci, daga waje na baturi, Unicom da korau.

Lokacin da gajeren kewaye na waje ya faru, halin yanzu ya zama babba, ciki na baturi ya fara zafi, lokacin da zafi ya yi girma, electrolyte zai yi nazari, babban adadin gas, baturi. Mun ce da yawa diaphragms suna da rufaffiyar aikin tantanin halitta, suna kaiwa wani takamaiman zafin jiki, toshe ions lithium, ta haka ne ke toshe halayen sinadarai, faɗuwar yanzu, faɗuwa a hankali, don haka kama fashewar baturi. Tabbas, abin da ke sama yana dogara ne kawai akan diaphragm mai inganci.

Gajeren da'ira na ciki zai kasance saboda foil ɗin tagulla yana jan membrane na foil na aluminum, ko kuma rassan zarra na lithium suna sanya diaphragm. Waɗannan ƙananan allurai na iya haifar da ƙananan gajerun kewayawa. Domin akwai ƙimar juriya, halin yanzu ba shi da girma sosai.

Burrs na aluminum na jan ƙarfe zai haifar da aiwatar da aiki, kuma abin lura shine ɗigon baturi, fitar da kai, galibi ana iya gwada shi ta hanyar gano gajeriyar kewayawa. Haka kuma, tunda matsalar ta yi kankanta, wani lokaci sai ta kone, ta yadda baturin zai dawo daidai. Saboda haka, yuwuwar fashewar fashewar burrs ba ta da yawa.

Burbs suna daga tsagewa, kuma akwai burar. Tushen crystal mai yawa zai haifar da babban halin yanzu, lithium lithium, da dai sauransu. Fashewar da aka yi ta hanyar caji ya fi yawa.

Baturi ya ƙare, farantin yana ko'ina, allurar lithium karfe lu'ulu'u, wurin huda yana ko'ina, akwai micro-short kewaye ko'ina. Sabili da haka, zafin baturi zai ƙaru a hankali, kuma a ƙarshe babban zafin jiki zai haifar da iskar gas. Wannan halin da ake ciki, ko yana da yawa don yin fashewar abin da ke ƙonewa, ko kuma an fara karye harsashi na waje, ta yadda iskar da aka saka a ciki da kuma ƙarfe na lithium, fashewa ne! ! ! Koyaya, wannan fashewar sakamakon wuce gona da iri na gajeriyar da'ira na ciki ba lallai bane ya faru a lokacin caji.

Muna da rubewar batirin wayar hannu na gama gari, kuma akwai irin wannan yanayin cewa zafin baturin bai isa ya ƙone kayan ba, kuma iskar gas ɗin da ta bayyana bai isa ya karya gidan baturin ba, za mu daina caji, tare da wayar hannu don fita. A wannan lokacin, zafi na yawancin ƙananan gajerun da'irori, a hankali yana ƙara yawan zafin baturin, bayan wani lokaci, kawai fashewa. Bayanin gama gari na mabukaci shine ya ɗauki wayar ya gano cewa wayar tana da zafi, sannan ta fashe.

Kodayake akwai ayyuka da yawa na kashe wutar lantarki ta atomatik a cikin wannan damar, amma har yanzu tukwici, gwada kada ku yi caji na dogon lokaci. Ko caji ne ko fitarwa, muna da ma'auni, yawanci ana amfani da shi don tsayawa a wutar lantarki. Ɗaukar baturi na ternary na graphite korau electrode na nickel-manganese acid a matsayin misali, lokacin da cajin baturi ya fi 4.

2V, haɗarin zai yi shuru, mafi girman ƙarfin lantarki, mafi girman haɗarin. Domin a lokacin da ƙarfin lantarki ya fi 4.2V, adadin lithium atom a cikin tabbataccen electrode abu yana raguwa, kuma tsarin atom ɗin ajiya zai rushe, kuma ba zai iya juyawa ba.

Idan madaidaicin sandar ya cika da lithium ions, lithium ions za su samar da karafa na lithium a saman magudanar lantarki, wanda shine crystal dendritic, wadannan dendrites zasu huda diaphragm, ta yadda gajeriyar da'ira mai kyau da mara kyau. Ƙarfafawa zai ƙara yawan zafin jiki, yawan zafin jiki ya wuce 180 ¡ã C, maganin electrolytic zai yi nazari, akwai babban adadin gas da zafi, ɗakin yana fadadawa, bayan da ya karya, iskar oxygen a cikin karfe na lithium, da sauri, kuma zai fashe. Saboda haka, babban iyaka na cajin wutar lantarki matakan kariya ne.

Hakanan akwai ƙarancin ƙarancin wuta lokacin da batirin lithium ion ya cika. Wasu kayan za su lalace lokacin da ƙarfin baturi ya kasa 2.4V.

Hakanan saboda baturin zai fitar da kansa, mafi tsayin ƙarfin lantarki yana raguwa, don haka yana da kyau kada a saka shi har sai 2.4V idan an cire shi. Ana cire baturin lithium ion daga 3.

0V zuwa 2.4V, kuma makamashin da aka fitar ya kai kusan kashi 3% na ƙarfin baturi. Yawanci, batir ɗin mu na ternary suna amfani da 3.

0V azaman ingantaccen wutar lantarki mai yankewa. Don haka kada ku wuce gona da iri wani matakan kariya ne. Bugu da kari ga cajin yanke wutan lantarki, fitarwa na yanke wutan lantarki, muna kuma amfani da halin yanzu don kare baturin, wanda shine aikin haɓaka abin da muka saba da shi, da waɗanda kamar ƴan mintuna na osther zaɓi kayan musamman, kamar graphene.

Za a iya fahimta cikin sauƙi a matsayin kofin shayin ku, tare da shayi mai laushi, idan kun zuba ruwa a hankali, ba za ku toshe ba kwata-kwata, ruwan ba zai fantsama ba. Amma kun canza babban famfo, za ku same shi a kan layi, ba zan iya shiga ba, lalacewar babban wutar lantarki ga baturi yana da nasaba da yawan zafin jiki, kuma lithium ion ba ya shiga wurin ajiya, wanda zai mayar da hankali kan saman kayan.

Bayan wadannan ions lithium sun karbi electron, za a sami crystallization na lithium atomic crystallization a saman kayan, wanda yayi daidai da cajin da ya wuce kima, wanda zai haifar da haɗari. Idan kuwa ya karye sai ya fashe.

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