Te Ārai a te Paura Nano Graphene i te Whakangaromanga o te Pūhiko

Ngā Whakaaro Matua

He aha i ngaro ai te kaha o ngā pākahiko

Ka ngaro te kaha o tō pākahiko i te roanga o te wā. E toru ngā raruraru matua e puta ai tēnei rahunga. Mā te mārama ki ia raruraru ka kite koe me pēhea te whakaoti rapanga a te paura nano graphene.

Te Pakaru o te Irahiko me te Taumahatanga Ā-Mīhini

Mā te whakakī me te tango i te hiko ka pupuhi, ka mimiti hoki ngā hiko o tō pākahiko. Ka pakaru te hiko o te pākahiko nā te taumahatanga ā-pūkaha. He mārama te raupapa o te tukanga:

1. Ka uru ngā iona lithium ki te rauemi manaaki i te wā e utu ana. Ka huri tēnei i ngā tawhā whatunga me te rōrahi.
2. Ka hangaia he pikinga kukū e ngā tere utu tere ake. Ka nui ake te whānui o te mata i te roto.
3. Ka nui haere te ahotea ā-rohe. Ina nui ake i te kaha pakaru o te rauemi, ka puta he kapiti.
4. Ka whakaroahia ēnei kapiti e te huringa. Ka pakaru, ka momotu rānei ngā matūriki i te kaikohikohi o nāianei.

Ina honoa te silicon ki te lithium i te wā e utu ana, ka nui ake ngā panonitanga rōrahi i te 300%, ka puta he ahotea miihini e arahi ana ki te pakaru o te matūriki, te wehenga o te hiko, me te tere o te hekenga o te kaha.

Ka whakakitea ngā mata hou e tēnei whati. Ka pakaru hoki te paparanga tiaki e karapoti ana.

Te Pūmautanga o te Papa SEI me te Whakamahinga o te Lithium

Ka puta te paparanga waenga-irahiko totoka (SEI) ki runga i te anode i te wā tuatahi o te utunga. Ka tiakina te irahiko mai i te pirau atu. Heoi, he pakarukaru tēnei paparanga. Ka pakaru te SEI i te ahotea miihini mai i te whakawhānui irahiko. Ka kitea te mata anode hou. Ka puta he SEI anō hei taupoki. Ka pau i tēnei tukanga ngā iona lithium hohe. Ka mau tonu ēnei iona ki roto i te SEI. Kāore e taea e rātou te huri i waenga i ngā irahiko. Ka ngaro te kaha whakamahi o tō pākahiko.

I runga i te silicon tahanga, ka tipu te matotoru o te SEI ki te 100–300 nanometer i muri i te 100 huringa. Ka āraihia e tēnei matotorutanga te kawe utu. Ka nui ake hoki te lithium e pau ana. Ko te mutunga mai he tere te memeha o te kaha.

Te Whakakikorua o te Ritiumu me te Hanganga o te Dendrite

I raro i ētahi āhuatanga, ka puta te konganuku lithium ki runga i te mata o te anode, kaua ki te whakauru ki roto i te rauemi manaaki. Ka tipu tēnei lithium hei hanganga rite ki te ngira e kiia nei ko ngā dendrite. E rua ngā raruraru ka puta mai i ngā dendrite:

• Ka uru rātou ki te wehewehe, ka hanga he ara iahiko poto ā-roto.
• Ka whatiia e rātou te anode, ka wehea ki te hiko. Kāore e whai wāhi ana tēnei lithium mate ki te kaha.

Ka puta ngā tauhohenga matū e pakaru ai te electrolyte nā ngā iahiko hiko teitei. Ka puta ngā pakaru i ngā taumata ahotea tae noa ki te 25% o ngā paepae rahunga miihini noa. Mā ēnei pakaru ka tere ake te tipu o ngā dendrite. Ka ngaro te kaha o tō pākahiko mō ake tonu atu, ā, ka pakaru kino pea.

Te Ārai a te Paura Nano Graphene i ia Aratau Rahunga

Te Whakakaha Ā-Mīhini o ngā Irahiko

Ka whakatauhia e te paura nanographene te raruraru o te pakaru o te hiko. Ko tōna hanganga rua-ahu he rite ki te tūāpapa ngota. Ka pupuri tēnei tūāpapa i te rauemi hiko i te wā e utu ana, e wete ana hoki. Ina pupuhi te hiko, ka tohatoha ōritetia e ngā rau graphene te ahotea ā-pūkaha. Ka ārai i te hanganga me te tipu o ngā pakaru.

Ka whiwhi koe i tētahi hikohiko kaha ake. Ka mau tonu te hanganga o te whatunga graphene ahakoa ngā rau huringa. Mā tēnei whakapakari ka hono tonu ngā matūriki ki te kaikohi iahiko. Ka ārai hoki i te wehenga o te hikohiko. Ka noho pūmau tō pākahiko, ā, ka tukuna tonutia te kaha katoa.

Te Whakarei Ahumahi me te Hanganga SEI Taurite

He mea nui te kawe hiko mō te mahi a te pākahiko. He kaha te kawe hiko o te paura nano graphene. He nui tōna mata. Ina tāpirihia ki ngā irahiko pākahiko, ka whakarei ake i te kawe hiko me te kore e hiahiatia he nui o te waro. Ka taea e koe te whakauru i te graphene ki te anode hei whakamahi i tōna kawe hiko me te mata nui mō te arotautanga āhua me te whakapai ake i te mahi.

Anei te āhua o tana mahi:

• Te hanganga whatunga kaweI roto i ngā pūnaha irahiko maroke, he whatunga kawe hiko māmā, he mahi teitei te mahi a te graphene. Ka whakapai ake i te kaha, te mahi tere-C, me te pupuri kaha.
• Whakakapinga waro pangoKa taea e koe te whakauru tika i te graphene ki roto i te hangahanga e ahu mai ana i te paru. Ka whakakapi, ka whakaiti rānei i te pango waro. Ka whakapai ake tēnei i te kaha, te kaha C-rate, me te pupuri i te kaha me te kore e whakararuraru i ngā tukanga o nāianei.
• Paninga rauemi hoheMā te paninga i ngā rauemi hohe ki te graphene ka tere ake te utu me te tukunga. Ka whakaratohia he kawe hiko teitei. Ka mahi anō hoki hei ārai matū pumau. Ka āraihia e tēnei ārai te hanganga SEI kāore e hiahiatia. Ka tautoko i te roa o te ora o te pākahiko.

Mā te whatunga graphene ōrite ka āwhina i te paparanga SEI kia ōrite te hanga. He iti ake te lithium e pau ana i te paparanga SEI pumau. Ka tiakina hoki te electrolyte mai i te pirau atu. Ka mau tonu te kaha o tō pākahiko i roto i te wā.

Te pehi i ngā Dendrite Lithium

He tūmomo mōrearea nui ngā dendrite lithium ki te haumaru me te roa o te ora o te pākahiko. Ka hangaia e te paura nanographene he ārai ā-tinana e aukati ana i te tipu o te dendrite. Ka hangaia e ngā rau graphene he whatunga kawe hiko matotoru i runga i te mata anode. Ka āraihia e tēnei whatunga te hanganga o ngā hanganga lithium rite ki te ngira.

Ka tohatoha ōritetia hoki te mara hiko e te whatunga graphene. Ka āraihia e tēnei mara ōrite te kukū ā-rohe o ngā katote lithium. Ki te kore ēnei wāhi wera, kāore e taea e ngā dendrite te tīmata te tipu. Ka whiwhi koe i tētahi pākahiko haumaru ake me te roa o te huringa.

Mō te kounga o te pākahiko, whakaarohiaPaura Nano Graphene CAS 1034343-98-0 Utu wheketere mō te karaehe pākahikoKa tukuna e tēnei hua te parakore me te mahi tino pai e hiahiatia ana e koe mō ngā tono pākahiko pono.

Te Mahi me te Whakaurunga o te Ao Tūturu

Tērā pea ka miharo koe ki te mahi a te paura nanographene i waho o te taiwhanga. He wero motuhake kei te ao tūturu mō te hanga pākahiko. Mā te mārama ki ēnei wero ka āwhina koe ki te aromatawai mēnā e pai ana tēnei rauemi ki ō hiahia whakaputa.

Te Whakataurite ki ngā Tāpiri Waro Tuku Iho

Ko ngā pākahiko tuku iho e whakawhirinaki ana ki te waro pango, ki te karāpiti rānei hei tāpiringa kawe hiko. He pai te mahi a ēnei rauemi engari he iti noa iho ngā herenga. Me nui te utaina o te waro pango kia eke ai ki te kawe hiko e tika ana. Ka nohoia e tēnei rauemi tāpiri he wāhi hei pupuri i ngā rauemi hohe. He pai ake te kawe hiko o te karāpiti engari kāore i te rite ki ngā āhuatanga whakapakari ā-pūkaha o te karāpīne.

He pai ake te paura nano graphene i ngā kōwhiringa e rua i roto i ngā huarahi maha. Nā tōna hanganga rua-ahu ka nui ake te horahanga mata mō ia wae taumaha. He iti ake te graphene e hiahiatia ana kia eke ki te taumata kawe hiko ōrite. Ko te tikanga o tēnei whai huatanga he nui ake te wāhi mō ngā rauemi hohe i roto i tō irahiko. Ko te nui ake o te ihirangi rauemi hohe ko te nui ake o te kiato pūngao mō tō pākahiko.

He rerekē rawa hoki ngā āhuatanga ā-pūkaha. Kāore ngā matūriki waro pango e whakapakari i te hanganga o te hiko. Ka whakakī noa i ngā āputa i waenga i ngā matūriki rauemi hohe. Heoi, ka takai, ka hono ngā pepa graphene i ngā matūriki. Ka pupuri tēnei whatunga i ngā mea katoa i roto i ngā huringa utu me te tuku. Ka roa ake te pumau o tō hiko i ngā tāpiringa tuku iho.

He mea nui ēnei wero whakauru māu. Me paunatia e koe ngā painga o te mahi ki ngā whakatikatika hanga. He maha ngā kaihanga e kite ana he pai te whakataurite. Ko ngā whakapainga pupuri kaha te mea e whakamana ana i ngā huringa whakaputa tuatahi.

Paura Nano Graphene CAS 1034343-98-0 Utu wheketere mō te karaehe pākahiko

Me whai puna pono koe mōrauemi kounga-pāhiko. Ko te Paura Nano Graphene CAS 1034343-98-0 Utu wheketere mō te karaehe pākahiko e tuku ana i te ōritetanga e hiahiatia ana e tō hanga. Ka tukuna e tēnei hua he parakore teitei me te ihirangi waro neke atu i te 97%. Mā te rahi matūriki whakahaere e whakarite kia rite te horapa i roto i tō paru hiko.

Ka tautokohia e ngā whakatakotoranga te whakaurunga maeneene. Ko te mātotoru o te tap i raro i te 0.1 g/cm³ ko te tikanga ka marara ngāwari te paura. Ko te horahanga mata BET kei waenga i te 180-280 m²/g mō ngā tohu paerewa. Ko ngā kōwhiringa horahanga mata teitei ake ka eke ki te 720-900 m²/g mō ngā tono e hiahia ana ki te horahanga pa nui rawa atu. Ka taea e koe te whiriwhiri i te tohu e rite ana ki te matū o tō pākahiko.

Ka noho te nui o te makuku ki raro iho i te 1.0% i te 105°C mō ngā hāora e rua. Mā tēnei taumata makuku iti ka ārai i ngā tauhohenga kāore e hiahiatia i te wā e whakarite ana i te hiko. Ka marara tika te paura ki roto i ngā wairewa wai, i ngā whakarewa rānei. Ka taea e koe te whakamahi i te ultrasound hei whakatutuki i ngā mararatanga ōrite, pumau. Mā tēnei ngāwari ka māmā ake tō tukanga hanga.

Ko te Paura Nano Graphene CAS 1034343-98-0 Utu wheketere mō te karaehe pākahiko kei roto i ngā kōwhiringa takai mai i te 10 karamu ki te 1 kirokaramu. Ka taea e koe te whakawhanui mai i ngā whakamātautau rangahau ki te whakaputa whakamātautau me te kore e huri i ngā kaiwhakarato. Mā te hanganga utu wheketere ka māmā ake ngā tataunga utu mō tō tukanga tahua.

Ngā Akoranga Take: Ngā Waka Hiko me ngā Hikohiko Kawe

He uaua ngā āhuatanga o ngā pākahiko waka hiko. Ka puta te wera me te ahotea miihini i te utu tere. Ka aro pai te paura nano graphene ki ngā wero e rua. I whakauruhia e tētahi kaihanga EV te graphene ki roto i tā rātou anode silicon-dominant. Nā te whatunga graphene i taea te whakanui ake i te 300% o ngā matūriki silicon. I muri i te 500 huringa utu, i mau tonu te 87% o tōna kaha taketake i te pākahiko. Ko ngā tāpiringa waro tuku iho i roto i te tono kotahi i mau tonu te 62% anake.

I pai ake hoki te mahi utu tere. Nā te whatunga arataki graphene i whakaiti te ātete ā-roto mā te 40%. Nā tēnei whakaiti i taea ai te piki ake o ngā reiti utu me te kore e nui rawa te wera e puta. Ka taea e ngā taraiwa te utu i ā rātou waka i roto i te 15 meneti, kaua ki te 45 meneti. I pupuri te pākahiko i ngā pāmahana mahi haumaru puta noa i te tukanga.

He rerekē ngā whakaritenga mō ngā taputapu hiko kawe. Me ora tonu tō pākahiko waea atamai i ngā rau huringa i roto i tētahi wāhi kiato. Ko te tikanga he mea nui ia mirimita nā te iti o te wāhi. Nā te pai o te mahi a te Graphene hei tāpiri hiko ka wātea te rōrahi mō ngā rauemi hohe. I whakanuia e tētahi kaihanga pona te kaha o tā rātou pākahiko mā te 18% mā ​​te huri noa mai i te pango waro ki te graphene.

He rite tonu te hiranga o ngā painga pumau o te paparanga SEI i roto i ngā taputapu kawe. He maha ngā wā ka noho kore whakamahi ēnei taputapu mō ngā wā roa. Ka pirau ngā paparanga SEI kore pumau ahakoa kua whakawetohia te taputapu. Ka mau tonu te pumau o ngā irahiko kua whakapakarihia ki te graphene i te wā e rongoa ana. Ka iti ake te ngaronga o te kaha e ngā kaiwhakamahi i te wā e rongoa ana te taputapu mō te wā roa.

Ko te hangarau mau kakahu tētahi atu tono e tipu haere ana. Me whakamahi ēnei taputapu i ngā pākahiko ngāwari e piko ana ki te tinana tangata. Nā te ngāwari ā-pūkaha o te Graphene i pai ai mō tēnei kaupapa. Ka mau tonu te kawe hiko o te whatunga graphene ahakoa e piko ana te pākahiko i ngā mano tini wā. Ka pakaru ngā tāpiringa waro tuku iho i raro i te piko tonu, ka pakaru ohorere te pākahiko.

E tohu ana ngā taunakitanga mai i ēnei rangahau take ki tētahi whakatau mārama. Ka tukuna e te paura nano graphene ngā whakapainga ka taea te ine puta noa i ngā tono kanorau. Ahakoa kei te hanga koe i ngā pākahiko EV, i ngā hikohiko kaihoko iti rānei, ka whakarei ake tēnei rauemi i te mahi a tō hua. Kei reira ngā wero whakauru, engari ko ngā hua mahi e tika ana mō te mahi.

Ka aro atu te paura nano graphene ki ngā patu kaha e toru: te ahotea ā-mīhini, te kore pumau o te SEI, me te whakakikorua lithium. Ka whiwhi koe i tētahi whatunga kawe hiko pumau e pupuri ana i te kaha mō ngā rau huringa. Ko tēnei rauemi he panonitanga nui i roto i te hoahoa pākahiko, ehara i te whakarerekētanga iti. Me ngā kōwhiringa tauine pēnei i te Nano Graphene Powder CAS 1034343-98-0 Factory Price For Battery Grade, ka tere te tipu o te whakamahinga. Ko ngā pākahiko o te whakatupuranga e whai ake nei ka uru pea te graphene hei wāhanga paerewa.

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