Anode karbon yu dëgër yu am doole yu gaaw
Batëri ion sodium, batëri sarse bu gaaw, batëri dundu gu yàgg, anode karbon, xaralay batëri EV, pexe ngir denc kuuraŋ, batëri yuy yàgg, Gëstu Daara bu kawe bu Nankai
Materialu anode SIB, dëgëraay bu am doole, dayo batëri ci dawal, g{0}}C3N4 coating, bul karbon bu am lënd, formation SEI, batëri génération bu ci topp
Kuréel gi ngir am **xaralay batëri yu bees** mingi tàng, ba noppi batëri sodium-ion (SIBs) ñu ngi gëna am doole, mëna yàgg, te baax ci njëg. Waaye, jafe-jafe bi gëna mag mooy defar ay jumtukaayi anode yuy boole sarse bu gaaw ak dundu gu yàgg.
Jàngat bu am solo bu bawoo ci **Daara bu kawe bu Nankai** moo daaneel jafe-jafe bii. Gëstukat yi sos nañu benn **materiaal anode carbone** bu bees buy may SIB yi ñu sarse ci ay simili yu néew, boole ci muñ ay fukki junni cycle te daanaka duñu yàqu. Loolu mën na soppi lépp loo bëgg, dalee ko ci **dawal kuuraŋ (EV)** ba ci **sistem dencukaay kuuraŋ**.
>**Royuwaayu Gëstu bu njëkk bi:** [Defar ay dencukaay ion sodium yu gaaw lool te dëgër jaaraleko ci anode karbon yu dëgër lool]
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**Jafe-jafe bi: Lu tax anode karbon yi soxla yeesal
Macceer yiñ defaree karbon ñooy gëna am njariñ ci **anode batëri ion sodium** ndax seen maturite ak seen njëg bu yomb. Waaye, jumtukaayi karbon yu yàgg yi dañuy dundu:
* **Transport ion bu yeex**, di wàññi **kàttanu taxawaayu** ak sarse bu gaaw.
* **Interface yu amul dal** ak electrolyte bi, moo waral kàttan gi di gaawa jeex.
Ekipu Daara bu kawe bu Nankai dafa taxaw ngir saafara jafe-jafe yii ci anamu hierarchie buñ defar bu baax.
**Pexe bu bees bi: g-C3N4 bul yu am karbon yu am lënd**
Ekipu gëstukat yi dañu defar benn jumtukaay bu tuddu **CN@HCS**. Loolu mooy nitrure de carbone graphitique (g-C3N4) buñ raxas ci kaw **Bulère de carbone hou (HCS)**.
Design bii dafay jàngale nano-ingénieur:
1. **Sphere de carbone hollow (HCS) Core:** Dafay joxe surface bu yaatu ngir sodium - ion (Na+) di jaxasoo, ba noppi di gàttal yoonu diffusion ion, yombal sarse bu gaaw.
2. **g-C3N4 Elektron{2}}Couche Inerte:** Couche bi mooy caabi stabilite. Dafay nekk luy tere electrode bi ak electrolyte bi ay jafe-jafe yu baaxul.
**Njariñu Electrochimie bu am solo**
Resultaa yiñ siiwal ci surnaal bi tuddu *Advanced Materials* amul benn werante. anode CN@HCS dafa wane:
* **Performance bu amul fenn:** Defar na kàttan gu rëy doonte ci densité courant bu rëy lool **40 A g−1**.
* **Stabilite bu musul am ci dawal welo:** Defna **daanaka amul benn yàqu-yàqu ci 40,000 sikl**, muy stabilite bu ëpp doole ci anode karbon SIB.
* **Densité puissance bu kawe ci selul bu mat:** Suñu ko boole ak cathode NFPP ngir sos selul bu matt, batëri bi dafay am **densité puissance bu yéeme buy tollu ci 21,600 W kg−1** (bu sukkandikoo ci masse electrode yépp).
* **Profil sarse/decharge bu gaaw:** Selul bi yépp mën nañu ko sarse ci 0.1 waxtu (6 simili)** ba noppi decharge bu baax ci diiru 1 waxtu ak efficacité Coulombic buy jegesi 100%.
**Nimuy doxee: Science bi ci ginaaw stabilite**
Gëstu bi dafay joxe leeral yu xóot ci li waral mbir mi di dox bu baax:
* **Formaasioŋ SEI bu dëgër:** Couche g{0}}C3N4 dafay xëcci bu baax ba noppi wàññi FEC (muy lu ñuy yokk ci electrolyte), loolu mooy tax ñu am interphase interphase (SEI) bu dëgër, dëgër, te inorganik. SEI bu dëgër bii dafay lekk lu néew ci electrolyte te dafay tere yàqu-yàqu bi wéy.
* **Transportu sarse bu gaaw:** Sistemu electron bu bari biñ boole π- ci g-C3N4 dafay joxe yoon wu mag ngir yóbbug electron ak ion ci gaawaay, loolu mooy tax ñu mëna am **màndarga bu yéeg- bu yéeme**.
* **Musal fi yaxxu:** Revêtement bi dafay wàññi exposition ci barabi fi yaxxu electrochimique yi ci kaw surfaasu karbon bi, di gëna wàññi reacsioŋ parasit yi.
**Njàngat bu gàtt: Ni ñuy defaree anode bi**
Ngir sunuy jàngkat yu xarañ, anam wi ñuy boolee mbir yi mooy lii:
1. **PPy/PMMA jëmmal:** Monomer pyrrole ak benn gaaraasu PMMA ñu ngi polimerise ci jëfandikoo persulfate d'ammonium (APS) ci suufu 5 degre.
2. **Synthese HCS:** Dañuy karbonise precursor bi ci 700 degre ci biir atmosphere bu amul benn yëngu ngir sos bul yu lëndëm yu am karbon.
3. **CN@HCS Synthese:** Dañuy jaxase HCS ak uree ba noppi tàngal ko ba 500 degre, loolu mooy tax uree bi di seey ci tàngoor, daal di nekk ag{2}}C3N4 ci kaw bul karbon yi.
**Mujjental ak njeexte**
Liggéey bii ñu def ci **anode karbon yu dëgër lool** dafay wane jéego yu am solo ci wàllu xaralay batëri ion sodium**. Bi ñu defaree ag{2}}C3N4-coated structure hollow carbone ci anam wu jaar yoon, gëstukat yi sos nañu anode buy liggéey ci ñatti wàll yi gëna am solo ci benn yoon: **gaawaay, dayo, ak doole**.
"Gëstu bii dafay joxe gis-gis bu bees ci defar anode yu am karbon ngir SIB yu am dundu gu yàgg di jëfandikoo electrolyte yu am carbonate," bindkat yi dañu mujjee.
Li ñu mëna defar batëri yuy sarse ci ay simili yu néew, ba noppi mëna yàgg ay fukki at, mën na tax ñu gëna gaaw ci jëfandikoo **pexe energie buy yàgg** ba noppi gëna yombal **oto yuy jëfandikoo kuuraŋ**, gëna yomba jëfandikoo.