Akwai da yawa fasaha Manuniya na graphite anode kayan, kuma yana da wuya a yi la'akari, yafi ciki har da takamaiman surface area, barbashi size rarraba, famfo yawa, compaction yawa, gaskiya yawa, na farko cajin da sallama takamaiman iya aiki, na farko yadda ya dace, da dai sauransu. Bugu da ƙari, akwai alamomin electrochemical kamar aikin sake zagayowar, aikin ƙima, kumburi, da sauransu.Don haka, menene alamun aikin kayan aikin graphite anode?HCMilling (Guilin Hongcheng), wanda ya kera na'urorin ya gabatar muku da abun ciki mai zuwaanode kayan niƙa niƙa.

01 takamaiman yanki na ƙasa

Yana nufin farfajiyar wani abu a kowace juzu'i.Karami da barbashi, da girma da musamman surface area.

Wutar lantarki mara kyau tare da ƙananan ƙwayoyin cuta da ƙayyadaddun yanki na musamman yana da ƙarin tashoshi da gajerun hanyoyi don ƙaurawar lithium ion, kuma aikin ƙimar ya fi kyau.Duk da haka, saboda babban yanki na lamba tare da electrolyte, yankin don samar da fim din SEI kuma yana da girma, kuma aikin farko zai zama ƙasa..Manyan ɓangarorin, a gefe guda, suna da fa'idar mafi girman ƙarancin ƙima.

Matsakaicin yanki na kayan anode na graphite zai fi dacewa ƙasa da 5m2/g.

02 Rarraba girman barbashi

A tasiri na barbashi size graphite anode abu a kan ta electrochemical yi shi ne cewa barbashi size na anode abu zai kai tsaye rinjayar famfo yawa daga cikin abu da kuma takamaiman surface yankin na kayan.

Girman ɗigon famfo zai shafi kai tsaye da ƙarfin ƙarfin ƙarfin kayan aiki, kuma kawai daidaitaccen girman adadin kayan da ya dace zai iya haɓaka aikin kayan.

03 Matsa yawa

Matsakaicin yawan famfo shine maɗaukakin kowace raka'a da aka auna ta hanyar rawar jiki wanda ke sa foda ya bayyana a cikin madaidaicin tsari.Yana da mahimmanci mai nuna alama don auna kayan aiki.Ƙarar baturin lithium-ion yana da iyaka.Idan yawan famfo yana da girma, kayan aiki mai aiki a kowace juzu'in naúrar yana da babban taro, kuma ƙarfin ƙarar yana da girma.

04 Girman Ƙarfafawa

The compaction yawa ne yafi ga iyakacin duniya yanki, wanda yana nufin yawa bayan mirgina bayan da korau electrode aiki abu da kuma dauri da aka sanya a cikin iyakacin duniya yanki, compaction yawa = yanki yawa / (kauri daga cikin iyakacin duniya yanki bayan mirgina debe da kauri daga cikin foil na jan karfe).

Ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan yana da alaƙa da ƙayyadaddun iya aiki, inganci, juriya na ciki da aikin sake zagayowar baturi.

Abubuwan da ke haifar da haɓakar haɓakawa: girman barbashi, rarrabawa da ilimin halittar jiki duk suna da tasiri.

05 Gaskiya mai yawa

Nauyin ƙaƙƙarfan al'amari a kowace juzu'in juzu'in abu a cikin cikakken yanayi mai yawa (ban da ɓoyayyen ciki).

Tun lokacin da aka auna ma'auni na gaskiya a cikin ƙaƙƙarfan yanayi, zai zama mafi girma fiye da yawan da aka taɓa.Gabaɗaya, ƙaƙƙarfan gaske> ƙaƙƙarfan ƙima> yawa.

06 Cajin farko da fitarwa takamaiman iya aiki

Abun graphite anode yana da ƙarfin da ba zai iya jurewa ba a farkon zagayowar cajin-fitarwa.A lokacin aikin caji na farko na baturin lithium-ion, saman kayan anode yana haɗuwa tare da ions lithium kuma ana shigar da ƙwayoyin ƙarfi a cikin electrolyte, kuma saman kayan anode ya rushe ya zama SEI.Fim ɗin Passivation.Sai kawai bayan an rufe murfin wutan lantarki gaba ɗaya ta hanyar fim ɗin SEI, ƙwayoyin ƙarfi ba za su iya shiga tsakani ba, kuma an dakatar da amsawa.Ƙirƙirar fim ɗin SEI yana cinye wani ɓangare na ions lithium, kuma wannan ɓangaren ions na lithium ba za a iya fitar da shi daga saman wutar lantarki mara kyau ba yayin aikin fitarwa, don haka yana haifar da asarar ƙarfin da ba za a iya jurewa ba, don haka rage ƙayyadaddun ƙarfin fitarwa na farko.

07 Ingantaccen Coulomb na Farko

Mahimmin alama don kimanta aikin kayan anode shine ingancin cajinsa na farko, wanda kuma aka sani da ingancin Coulomb na farko.A karo na farko, ingancin Coulombic kai tsaye yana ƙayyade aikin kayan lantarki.

Tun da fim din SEI ya fi samuwa a kan saman kayan lantarki, ƙayyadaddun yanki na kayan lantarki kai tsaye yana rinjayar wurin samar da fim din SEI.Ya fi girma ƙayyadaddun yanki na musamman, ya fi girma wurin sadarwa tare da electrolyte kuma ya fi girma yankin don samar da fim din SEI.

An yi imani da cewa samuwar wani barga SEI fim yana da amfani ga caji da kuma fitar da baturi, da kuma m SEI fim ne m ga dauki, wanda zai ci gaba da cinye electrolyte, thicken da kauri na SEI film, da kuma ƙara juriya na ciki.

08 Ayyukan kewayawa

Ayyukan sake zagayowar baturi yana nufin adadin caji da fitar da baturin ke fuskanta ƙarƙashin wani takamaiman caji da tsarin fitarwa lokacin da ƙarfin baturin ya faɗi zuwa ƙayyadaddun ƙima.Dangane da aikin sake zagayowar, fim ɗin SEI zai hana yaduwar ions lithium zuwa wani matsayi.Yayin da yawan hawan hawan keke ya karu, fim din SEI zai ci gaba da fadowa, kwasfa, da kuma ajiyewa a kan ma'aunin wutar lantarki mara kyau, wanda ya haifar da karuwa a hankali a cikin juriya na ciki na rashin wutar lantarki, wanda ke haifar da Tari mai zafi da asarar iya aiki. .

09 Fadadawa

Akwai kyakkyawar alaƙa tsakanin faɗaɗawa da rayuwar zagayowar.Bayan da mummunan electrode yana faɗaɗa, na farko, za a ɓatar da maɓallin iska, ƙananan ƙwayoyin lantarki za su haifar da ƙananan ƙwayoyin cuta, za a karya fim ɗin SEI kuma a sake tsara shi, za a cinye electrolyte, kuma aikin sake zagayowar zai lalace;na biyu, za a matse diaphragm.Matsi, musamman extrusion na diaphragm a gefen dama-kusurwar sandarkarin kunne, yana da matukar tsanani, kuma yana da sauƙi don haifar da ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙwayoyin lithium tare da ci gaba da zagayowar cajin.

Dangane da faɗaɗa kanta, za a shigar da ions lithium a cikin tazara mai tsaka-tsakin graphite yayin aikin tsaka-tsakin graphite, wanda ke haifar da faɗaɗa tazarar interlayer da haɓaka ƙara.Wannan bangaren fadada ba zai iya jurewa ba.Adadin haɓaka yana da alaƙa da matakin daidaitawa na lantarki mara kyau, matakin daidaitawa = I004 / I110, wanda za'a iya ƙididdige shi daga bayanan XRD.Abun graphite anisotropic yana kula da haɓaka haɓakar lattice a cikin wannan shugabanci (madaidaicin C-axis na kristal graphite) yayin aiwatar da tsaka-tsakin lithium, wanda zai haifar da haɓaka ƙarar baturi.

10Ƙimar aiki

Yaduwar lithium ions a cikin kayan anode na graphite yana da ƙaƙƙarfan shugabanci, wato, za'a iya saka shi a kai tsaye zuwa ƙarshen fuskar C-axis na kristal graphite.A anode kayan da kananan barbashi da kuma high takamaiman surface area da mafi alhẽri rate yi.Bugu da ƙari, juriya na lantarki (saboda fim ɗin SEI) da kuma ƙaddamarwar lantarki kuma yana rinjayar aikin ƙimar.

Daidai da rayuwar sake zagayowar da faɗaɗawa, ƙarancin wutar lantarki na isotropic yana da tashoshi na jigilar lithium ion da yawa, wanda ke magance matsalolin ƙarancin ƙofofin shiga da ƙarancin watsawa a cikin tsarin anisotropic.Yawancin kayan suna amfani da fasaha irin su granulation da sutura don inganta ƙimar su.

HCMilling (Guilin Hongcheng) ƙera ne na kayan niƙa na anode.HLMX jerinanode kayan super-lafiya niƙa a tsaye, HCHanode kayan ultra-lafiya niƙada sauran graphite nika nika samar da mu an yi amfani da ko'ina wajen samar da graphite anode kayan.Idan kuna da buƙatu masu alaƙa, da fatan za a tuntuɓe mu don cikakkun bayanai na kayan aiki kuma ku ba mu bayanan biyo baya:

Sunan danyen abu

Kyakkyawan samfur (raga/μm)

iya aiki (t/h)