Graphite hluav taws xob tau siv dav hauv lub zog hluav taws xob tshiab, tshwj xeeb hauv cov roj teeb uas muaj cov roj ntsha, roj cell, supercapacitors, supercapacitors, thiab lub hnub ci. Vim yog lawv cov hluav taws xob zoo, tshuaj ruaj khov, thiab cov khoom muaj lub cev muaj zog, cov hluav taws xob graph tau dhau los ua cov khoom tseem ceeb. Hauv qab no yog cov lus qhia ntxaws ntxaws rau cov ntawv thov thiab qhov tseem ceeb ntawm graphite electrodes nyob rau hauv lub chaw muaj zog tshiab.
1, cov ntawv thov hauv cov roj teeb lithium
Cov roj teeb lithium yog ib qho ntawm cov txuj ci tseem ceeb, siv tau dav hauv cov tsheb hluav taws xob, cov khoom siv hluav taws xob Portable, thiab lub zog khaws cov tshuab. Hauv cov roj teeb lithium, cov hluav taws xob graphite feem ntau cuam tshuam rau cov khoom siv anode, cuam tshuam ncaj qha rau lub zog hluav taws xob, lub neej ntev, thiab kev nyab xeeb.
1.1 zoo ntawm graphite anode cov ntaub ntawv
Graphite muaj cov txiaj ntsig hauv qab no raws li lub roj teeb lithium roj anode:
Kev Ua Hluav Taws Xob Kev Zoo Tshaj: Cov txheej txheem txheej txheem ntawm graphite enables ua hauj lwm hluav taws xob siv hluav taws xob, txhim kho them nqi / kev tso tshuaj.
Tshuaj Muaj Peev Xwm: Graphite cov khoom siv tshuaj lom neeg hauv kev lag luam hauv electrolytes, txo cov kev phiv tshuaj thiab txuas ntxiv rau lub neej.
Cov Peev Xwm Loj: Nrog lub peev xwm theoretical tshwj xeeb ntawm 372 mAh / g, graphite qeb ntawm qhov siab tshaj plaws rau kev ua lag luam lithium roj teeb anode cov khoom siv.
Tus nqi qis: Ntau cov kev pab ntau thiab paub tab siv tshuab ua kom haum graphite them-siab rau huab hwm coj ntau lawm.
1.2 txhim kho hauv graphite electrodes rau cov roj teeb lithium
Txawm hais tias nws cov txiaj ntsig zoo, anodes yog nquag mus rau kev ua kom lub cev siv nyiaj lithium dendrite thaum lub sijhawm them sai / rho tawm, cov npe kev phom sij kev nyab xeeb. Cov kws tshawb nrhiav tau txhim kho graphite electrodes los ntawm:
Kev hloov kho deg deg deg: Txheej txheem lossis doping kom txhim kho electrochemical kev ua tau zoo thiab kev sib xyaw electrolyte compatibility.
Kev txhim kho qauv: Cov ntaub ntawv qhia txog cov khoom siv lossis cov khoom siv sib xyaw los txhawm rau txhim kho cov Lithium-ion diffusion thiab muaj peev xwm ntsuas.
Sib xyaw anodes: Sib txuas graphite nrog silicon lossis tin ntxiv kom ntxiv ua kom lub zog ntom ntom ntom.
2, cov ntawv thov hauv roj hlwb
Roj hlwb ncaj qha hloov cov tshuaj sib xyaw ua hluav taws xob hauv hluav taws xob nrog kev ua haujlwm siab thiab kev nyiam huv. Graphite cov ntawv hluav taws xob yog tsuas yog siv raws li bipolar daim phiaj, ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm celliomiency thiab ntev.
2.1 Qhov zoo ntawm graphite bipolar daim phiaj
Siab kawg: Tswj kom ruaj khov xa tam sim no.
Corrosion Kuj: Ua tau zoo nyob rau hauv acidic / alkaline ib puag ncig.
Lub teeb yuag: Tsawg ntom ntom txo qhov hnyav hnyav.
2.2 Txhim kho rau roj hlwb
Cov tsho hlau deg: Hlau / cov txheej txheem ceramic los pab txhawb kev ua haujlwm thiab corrosion tsis kam.
Ntawv Sau Khoom: Polymer- lossis hlau-txhawb nqa graphite rau cov khoom zoo dua li qub.
3, cov ntawv thov hauv Supercapacitors
Supercapacitors yog high-power-density Zog kaw cov khoom siv cia siv nyob rau hauv EVS, Rail Transit, thiab Kev Nruab Nrab Nruab Nrab. Grecite electrodes ho txhim kho lub zog / hluav taws xob ceev vim lawv qhov chaw siab thiab zoo.
3.1 Cov txiaj ntsig zoo
Thaj chaw loj: Cov qauv sib tw uas muaj peev xwm muab cov chaw muaj kev nplua mias rau kev them nqi.
Sai them / tawm: Siv hluav taws xob hloov hluav taws xob ua kom muaj kev sib pauv ceev.
Lub neej ntev ntev: Zoo heev ruaj khov ntev ntev kev ua neej lub neej.
3.2 Kev Tawm Tsam Tshiab
Graphene sib xyaw: Leveraging nws lub allahigh thaj chaw thiab conductivity.
Heteroatom doping: Nitrogen / Boron doping kom ua kom zoo rau kev ua kom zoo.
4, kev siv nyob rau hauv lub hnub ci hlwb
Graphite electrodes yog qhov tseem ceeb nyob rau hauv cov kab mob thiab zas-sensities solar hlwb rau lawv:
4.1 zoo
Kev coj ua: Kev sib sau ua haujlwm zoo / thauj.
Nqi zog-ua hauj lwm: Nqis rau kev tsim khoom loj-teev.
4.2 Txhim Kho
Graphene sib xyaw: Txhim kho transparency thiab conductivity.
Siv cov electrodes: Txhim kho lub teeb nqus dej thiab them tus nqi.
Lwm Cov Kev Siv Hluav Taws Xob Tshiab
Hydrogen cia: Graphite Khoom Adsorb / Khw Hydrogen Zoo.
Cua fais fab: Siv rau hauv cov hluav taws xob ntawm cov cua tshuab cua.
Tag
Graphite electrodes yog irreplaceable hauv cov roj teeb lithium, roj hlwb, supercapacitors, thiab lub hnub ci. Kev tshawb fawb yav tom ntej yuav ua rau kev ua tau zoo thiab kev loj hlob tshiab kev txhim kho los ntawm kev hloov kho deg, kev tsim khoom, thiab sib xyaw. Cov kev nce qib no yuav muaj kev nyab xeeb, ua tau zoo dua, thiab kev lag luam thiab kev txhawb nqa thoob ntiaj teb hloov thiab kev txhim kho kom muaj zog.