Daim ntawv thov scenarios ntawm tooj liab ua npuas ncauj hauv Khoom-Lub Xeev thiab Semi-Khoom- Lub Xeev Composite Current Collector

Daim ntawv thov scenarios ntawm tooj liab ua npuas ncauj hauv Khoom-Lub Xeev thiab Semi-Khoom- Lub Xeev Composite Current Collector

* Copper Foam: A lightweight pure copper material with a three-dimensional porous network structure, extremely high porosity (typically >95%), thiab ib cheeb tsam loj loj.

* Composite Current Collectors: Tshwj xeeb yog hais txog lub substrate siv los ua lub roj teeb electrode. It is no longer a traditional dense metal foil (such as 7-8μm copper foil), but a composite structure formed by using copper foam as a framework, filled or covered with other active materials.

* Khoom-State/Semi-Khoom-State Batteries: Cov roj teeb uas siv cov khoom siv los yog ib nrab-cov khoom (xws li gel-state) electrolytes es tsis txhob siv cov kua electrolytes tau lees paub tias yog tiam tom ntej ntawm siab - kev nyab xeeb, siab - zog cia.

Raws li cov saum toj no, daim ntawv thov scenarios thiab core zoo ntawm tooj liab ua npuas ncauj nyob rau hauv cov khoom -state/semi-khoom- xeev composite tam sim no collectors yog raws li nram no:

I. Core Application Scenarios

1. Ua ib lub tswv yim tsim rau Lithium Hlau Anodes

Qhov no yog qhov tseem ceeb tshaj plaws thiab pheej hmoo daim ntawv thov scenario rau tooj liab ua npuas ncauj.

* Scenario Description: Hauv cov khoom- xeev / semi- khoom- lub xeev lithium hlau roj teeb, lithium hlau yog siv ncaj qha los ua lub anode. Txawm li cas los xij, lithium hloov pauv qhov ntim tsis kawg thaum lub sijhawm them thiab tawm ("hostless" deposition / dissolution), yooj yim ua rau dendrite tsim, ua rau luv luv Circuit Court thiab muaj peev xwm lwj.

• Lub luag haujlwm ntawm tooj liab ua npuas ncauj:

• Peb- qhov loj me me: Qhov peb - qhov loj me ntawm cov qauv ntawm tooj liab ua npuas ncauj muab qhov chaw loj, tsis tu ncua rau lithium deposition / dissolution. Lithium tuaj yeem nyiam ua kom lub qhov hws ntawm tooj liab ua npuas ncauj, es tsis yog qhov tsis sib xws ntawm qhov chaw, yog li tiv thaiv kev loj hlob ntawm lithium dendrite.

• Mitigating volume expansion: Thaum lithium tso, nws ntim expands. Lub elastic pores ntawm tooj liab ua npuas ncauj tuaj yeem ua raws li qhov kev nthuav dav no, zoo li "sponge absorbing dej," tswj kev ncaj ncees ntawm cov qauv electrode thiab tiv thaiv kev puas tsuaj rau cov khoom electrolyte txheej vim kev ntxhov siab ntau dhau.

• Txo cov kev ceev tam sim no hauv zos: Qhov loj ntawm thaj chaw tshwj xeeb cuam tshuam rau tam sim no, txo qis hauv zos tam sim no ntom ntom, uas yog ib qho tseem ceeb hauv kev txwv kev loj hlob lithium dendrite.

2. Raws li cov qauv kev coj ua rau siab - muaj peev xwm cathodes

• Scenario piav qhia: Txhawm rau txhim kho roj teeb lub zog ceev, cov electrodes tuab (cov khoom siv siab ua haujlwm siab) yuav tsum tau ua. Txawm li cas los xij, cov electrodes tuab muaj qhov ntev electron thiab ion thauj mus rau txoj hauv kev, uas ua rau kev ua haujlwm tsis zoo.

• Lub luag haujlwm ntawm tooj liab ua npuas ncauj:

• Peb-qhov txuas txuas txuas txuas ntxiv: Los ntawm kev siv cov khoom siv hluav taws xob zoo electrode (xws li lithium hlau phosphate, cov ntaub ntawv ternary) slurry rau hauv qhov hws ntawm tooj liab ua npuas ncauj, tooj liab ua npuas ncauj muab lub siab - electron channel ceev los ntawm cov khoom siv tam sim no mus rau sab hauv ntawm cov khoom siv hluav taws xob.

• Tsim cov ion thauj khoom: Hauv ib nrab- khoom- lub xeev cov roj teeb, cov pores ntawm tooj liab ua npuas ncauj tuaj yeem ntim nrog cov khoom / gel electrolytes, tsim cov ion thauj mus tas li, daws cov teeb meem tsis txaus ion conductivity hauv cov electrodes tuab.

• Ua tiav ultra- muaj peev xwm thauj khoom: Vim nws qhov porosity siab, ntau cov khoom nquag tuaj yeem thauj khoom yam tsis muaj qhov ua kom cov electrode tuab, yog li ua tiav cov peev txheej ntau dua.

3. Raws li kev txhawb nqa thiab kev txhawb nqa rau cov khoom siv electrolyte membranes

• Scenario piav qhia: Inorganic khoom electrolytes (xws li LLZO, LLZTO) yog inherently nkig, ua rau nws nyuaj rau fabricate loj - cheeb tsam, ultra-thin films.

• Lub luag haujlwm ntawm tooj liab ua npuas ncauj:

• Kev them nyiaj yug txhua yam: Los ntawm kev sau cov khoom electrolyte slurry rau hauv lub qhov hws ntawm tooj liab ua npuas ncauj, cov khoom siv electrolyte uas muaj qhov yooj yim dua thiab muaj zog dua txhua yam tuaj yeem npaj tau. Lub moj khaum tooj liab foamed tiv thaiv cov electrolyte membrane los ntawm kev tawg thaum tsim thiab siv.

• ruaj khov interfacial contact: Qhov peb -dimensional interpenetrating qauv tsub kom qhov chaw sib cuag ntawm cov khoom electrolyte thiab cov electrodes (tshwj xeeb tshaj yog lithium hlau anode), txo interfacial impedance.

II. Summary of Core Advantages

Piv nrog rau cov khoom siv niaj hnub niaj hnub no, tooj liab ua npuas ncauj cov khoom siv tam sim no nthuav tawm cov txiaj ntsig tseem ceeb hauv cov xwm txheej saum toj no:

Sib piv Dimensions|Ib txwm Planar Current Collector|Copper Foam Composite Current Collector|Cov txiaj ntsig

Qauv|Ob -dense films|Peb-seem porous network|Muab lithium host qhov chaw, txo cov ntim hloov pauv, thiab txo qis dendrites

Tej thaj chaw deb|Me|Loj|Txo qhov ceev tam sim no hauv zos thiab txhim kho kev ruaj ntseg interface

Nyhav|Lub teeb, tab sis tsis tuaj yeem txhawb nqa cov khoom siv|Lub teeb (siab porosity)|Txhim kho lub roj teeb gravimetric thiab volumetric zog ceev

Interface Sib cuag|taw tes/dov tiv tauj|Peb -kev sib cuag sib cuag|Txo cov interface impedance thiab txhim kho tus nqi kev ua tau zoo

Mechanical Properties|Yooj yim tab sis tsis muaj zog|Siab zog thiab zoo resilience|Txhim kho electrode qauv stability, haum rau yob - mus rau - yob manufacturing

III. Cov kev sib tw thiab kev txhim kho cov lus qhia

Txawm hais tias muaj kev cia siab zoo, kev siv tooj liab ua npuas dej sib xyaw tam sim no tseem ntsib cov teeb meem:

1. Cov Nqi Them Nqi: Tus nqi npaj ntawm tooj liab ua npuas ncauj (piv txwv li, electrodeposition) yog tam sim no siab dua li ntawm cov tsoos electrolytic tooj liab ntawv ci.

2. Weight and Bulk Density: Precise control of the density, porosity, and pore size distribution of copper foam is required to find the optimal balance between carrying active materials and maintaining lightweight design.

3. Scalable Manufacturing: Tus yuam sij rau industrialization nyob rau hauv yuav ua li cas integrate tooj liab ua npuas ncauj nrog electrode slurry filling thiab khoom electrolyte khaubncaws sab nraud povtseg, ua kom tiav tsis tu ncua thiab tsawg - nqi ntau lawm.

4. Interface Optimization: Ua kom ruaj khov, tsis tshua muaj -kev sib cuam tshuam ntawm tooj liab ua npuas ncauj, lithium hlau, thiab cov khoom electrolyte yuav tsum tau ntxiv hauv - kev tshawb fawb tob.

Hauv cov ntsiab lus, tooj liab ua npuas ncauj, nrog rau nws qhov tshwj xeeb peb - qhov sib txawv ntawm cov qauv ntxeem tau, ua lub luag haujlwm "ntau-functional moj khaum" hauv cov khoom ruaj khov-xeev/semi-khoom- lub xeev roj teeb. Nws tsis yog ib qho khoom siv tam sim no nkaus xwb tab sis kuj yog "lub tsev zoo tshaj" rau lithium hlau, "txoj kev loj" rau siab - muaj peev xwm electrodes, thiab "txhim kho pob txha" rau cov khoom siv electrolytes, ua rau nws yog ib qho ntawm cov khoom tseem ceeb uas tsav txoj kev loj hlob tom ntej - tiam siab -kev nyab xeeb, siab {{9}0} roj teeb.