Hobaneng ha graphite ke koranta e ntle ea motlakase

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 Hobaneng ha graphite ke koranta e ntle ea motlakase 

2025-02-26

Melao-motheo ea Saense le Tiso ea Liindasteri sebakeng sa li-profinite e hlakileng

Graphite, mokoloko oa kristale oa khabone, o tumme ka boitšoaro ba bona bo ikhethang ba motlakase ho se na tšepe. Thepa ena e ikhethang e hlaha ho sebopeho sa eona se ikhethang sa atomiki, boitšoaro bo senyehileng ba elektrone, le tokisetso ea li-anisompic ea Annatropic ChestSropic. Litšobotsi tsena li etsa hore setšoantšo sa indasteri - haholo-holo ho li-elektrone tse tloaelehileng tse sebelisetsoang bohato ba pele ho li-filimi tsa li-filimi tsa pele (ef) Steelmake

 

Sebopeho sa atomic: Hexagonal Lattice

Graphiteko e na le liatomo tsa carbon li hlophisehile lapatice e nang le likarolo tse peli tse kentsoeng ka nako e sa lekanyetsoang ho sefofane sa a-B. Mefuta e 'ngoe le e' ngoe ea carbon atom e tšoaea mekhahlelo e meraro (signa Likarolo tsena li tsamaea ka C-Axis, li ne li tšoaretsoe hammoho ka matla a fokolang a Van Der Ways, e nang le sebaka se kopaneng sa 3.35 Å.

Lisebelisoa tse 'ngoe le e' ngoe li na le li-electrons tse nne tsa valence: tse tharo tse nkang karolo ea P_Z e sebetsa ho P_Z e tloaelehileng ho sefofane. Kakaretso ea morao-rao ea lithothokiso tsena e hlahise leru la elektrone, e ile ea soeufatsa ka mokato kaofela.

 

Delocalized Π Leru: motheo oa boitšoaro bo phahameng

Ho etsa litšila tsa Π elektrone ho ba fa letsoho ka bolokolohi, ho etsa marang-rang a tsoelang pele a bakuli ba qollisa mojaro oa mochine. Ha tšimo ea motlakase e ntle e sebelisoa, litlolo tsee tse fallang li farolohile ka ho hasanya ka mokhoa o fokolang, ho fella ka ho ba le boits'oaro bo phahameng ba ho lifofane le lits'oants'o tse tlase tsa motlakase.

Ho lumellana le ho tšoana ha lattice ea hexagonal ho fokotsa le ho ntlafatsa motlakase, ho ka bapisoang le Electro, e tšoanang le e fumanehang ka tšepe.

 

Interlayer e ntlafatso ea motlakase: e lekantsoeng empa e le ea bohlokoa

Le ha Electrol Ellity e phahame haholo ka lifofane, Graphie e boetse e bontša ho se khone ho fokola. Sena se bakoa ke tšollo ea litlolo le ea futhumatsang, e thusang palo e nyane ea lielektrone ho phetoho lipakeng tsa likarolo tse haufi. Tsela ena e kenya letsoho pherekano e bophahamo ba graphite, leha e ntse e anyetsana haholo le ho ba le lifofane tse ka bang 100 ho isa ho tse toba.

 

E elelletse ea elektrone e tlase: ho sebetsa hantle ha maikutlo a phahameng mochesong o phahameng

Graphing e bontša ho elella pele ea elektrone Sena se fella ka hore sejana se fokotsehileng se hasanya le ho boloka ts'ebetso ea motlakase leha e le ka lithemparetjha tse phahameng. Kopanoa le ntlha ea eona ea Ultigh (> 3600 ° C) le botsitso ba lik'hemik'hale, graphite e loketse likopo tse phahameng tsa mocheso.

 

Graphite elefie: Litlhaloso tsa mahlale le lits'ebetso tsa indasteri

Melemo e ikhethileng ea setšoantšo e etsa hore thepa ea boikhethelo e etselitsoe electie e motlakase e sebelisitsoeng ho:

1.Eirkric Arc

2.Ladle grownaces (lf) bakeng sa metallirgy ea bobeli le ho hloekisa

3.Lithium-ion battery anideShu ho ea bophahamong le boitšoaro

4.Bushene ho baitoleli ba motlakase mme ba tsamaisane se sebetsang sa ho fetisoa ha hona joale

Lisele tsa 5.ectrolytic li hlahisoa ha Aluminium, magnesium le chlorine

6.Ho-sligsaces "-smandances"

 

Li-paramente tsa theknoloji tsa theknoloji (sehlopha sa UHP)

Paramente Boleng bo tloaelehileng
Bolulo bo bongata 1.68 - 1.73 g / cm³
TLHOKOMELISO E MOLEMO 4.5 - 5.8 μω m
Matla a Flaxural ≥12 mpa
Modulus ea Young 8 - 14 GPA
Likahare tsa molora ≤0.2%
Coemos ea motlakase ea futhumatsang. (1.0-1.2) × 10⁻⁶ / ° C
Mofuta oa nipple 3tpi / 4tpi / 4tpil
Mocheso oa Max > 3000 ° C

 

Sephetho

Phepelo e makatsang ea graphite e hlahisitsoe ke new-elektrone ea eona e hlalositsoeng ka ntle ho mehala e khutsitseng ea Graphene Underges. Sena se kopantsoe le mokhoa oa Anisotrockic, botsitso ba mocheso le tahlehelo e tlase, e ba e-ba le grates esita le li-fages tse ngata esita le li-tšepe. Mesebetsi ena e laoloa ke meriana ea tšepe, polokelo ea matla le indasteri ea motlakase, moo litšoantšo tsa litšoantšo li sebetsa le ts'ebetso.

Hobaneng graphite ke koranta e ntle ea motlakase:
Hobaneng graphite ke koranta e ntle ea motlakase:

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