1: Dab tsi yog "Pure Nickel Sheet / Nickel Plate" hauv cov ntsiab lus ntawm cov khoom siv roj teeb, thiab vim li cas nws cov khoom siv purity tseem ceeb heev?
Hauv kev tsim cov pob roj teeb, tshwj xeeb tshaj yog rau cov lithium zoo-ion, npib tsib xee-hlau hydride (NiMH), thiab qee cov khoom siv- lub xeev cov roj teeb, "Pure Nickel Sheet" lossis "Nickel Plate" yog hais txog siab -purity npib tsib xee (feem ntau UNS N02201 los yog nyias. Nws ua hauj lwm raws li ib tug tseem ceeb functional khoom es tsis yog ib tug structural tivthaiv. Nws lub luag haujlwm tseem ceeb suav nrog:
Tam sim no Collector Foils: Siv los ua cov khoom siv hluav taws xob / ntawv ci rau electrode txheej (tshwj xeeb hauv cathodes rau qee yam chemistry). Ntshiab npib tsib xee qhov zoo heev hluav taws xob conductivity ua kom muaj kev ua haujlwm tsawg tsawg.
Tab Connectors: Cov strips uas txuas nrog lub xov tooj ntawm tes electrodes rau sab nraud roj teeb terminals. Lawv xav tau siab conductivity, yooj, thiab zoo meej weldability.
Cell Casing Cheebtsam: Rau cylindrical los yog hnab cell, npib tsib xee los yog npib tsib xee-plated steel yog siv vim nws corrosion kuj tiv thaiv electrolyte.
Cov Khoom Siv Txheej Txheem Sib cuag: Sab hauv sintering furnaces, sib xyaw cov hlab ntsha, thiab cov tshuab electrolyte filling tshuab, cov khoom siv nickel ntshiab tiv thaiv corrosion los ntawm rhiab heev, reactive tshuaj precursors.
Cov khoom siv purity (feem ntau 99.6% Ni min. rau N02200) tsis yog -negotiable. Cov impurities xws li sulfur, carbon, thiab magnesium tuaj yeem hloov kho lub cev zoo. High sulfur, piv txwv li, ua rau embrittlement ntawm qhov kub thiab txias nyob rau hauv electrode ziab ncu. Cov impurities kuj degrade corrosion kuj, ua rau hlau paug nyob rau hauv lub electrode slurry los yog electrolyte -ib tug tsis txaus siab uas ua rau kom lub roj teeb nws tus kheej- tso tawm, txo lub voj voog lub neej, thiab ua rau muaj kev nyab xeeb. Yog li, cov ntaub ntawv pov thawj cov ntaub ntawv pov thawj (MTRs) txheeb xyuas kev ua raws li ASTM B162 lossis cov qauv sib npaug yog qhov tseem ceeb, txawm tias thaum muab khoom ntawm tus nqi luv nqi.
2: Vim li cas thiaj yuav "Tus Nqi Them Nqi" cov ntawv ntshiab nickel rau cov khoom siv roj teeb muaj kev pheej hmoo loj, thiab cov neeg yuav khoom yuav tsum tshawb xyuas qhov zoo li cas?
Kev nrhiav "tus nqi txo" rau qhov siab - cov ntaub ntawv ua tau zoo xws li cov ntawv nickel ntshiab muaj kev pheej hmoo nyiaj txiag ntau heev. Qhov luv nqi feem ntau qhia txog kev cuam tshuam uas tuaj yeem cuam tshuam cov roj teeb ua haujlwm zoo:
Uncertified/Off-Spec Material: Cov hlau yuav tsis tau raws li ASTM/UNS specifications rau purity. Nws tuaj yeem ua los ntawm cov nickel rov siv dua nrog cov khoom siv tsis tau tswj xyuas, ua rau kev ua haujlwm tsis zoo.
Dimensional Inconsistency: Kev ua haujlwm tsis zoo ntawm lub tshuab dov ua rau qhov tsis sib xws (kev ua siab ntev sib txawv), khawb nto, lossis ntug burrs. Nyob rau hauv cov khoom siv roj teeb sib dhos, qhov no ua rau cov khoom tsis raug, txheej txheej, thiab vuam tsis ua haujlwm (xws li, tab so), ua rau cov khoom seem ntau thiab cov khoom poob qis.
Inferior Surface Finish: Ib qho sub- qhov zoo tshaj plaws ntawm qhov chaw ( ntxhib, oxidized, los yog paug nrog cov roj dov) ua rau muaj kev puas tsuaj rau cov txheej txheem electrode. Nws tuaj yeem ua rau muaj hluav taws xob tiv thaiv hauv cov khoom siv, ua rau kub kub.
Kev tsis sib haum xeeb: Kev kho cua sov tsis raug ua rau muaj qhov sib txawv ntawm qhov tawv thiab qhov kub siab (piv txwv li, mos vs. hard temper). Qhov no ua rau muaj teeb meem nyob rau hauv siab - nrawm stamping ntawm tabs lossis foils, xws li hnav ntau dhau ntawm cov tuag lossis cov khoom tsis sib xws.
Cov neeg yuav khoom yuav tsum tshawb xyuas: Thov tag nrho MTRs los ntawm lub zeb (tsis yog daim ntawv pov thawj tus neeg muag khoom nkaus xwb), hais kom ua piv txwv rau kev kuaj xyuas qhov ntev thiab kev tshuaj xyuas saum npoo, thiab tshuaj xyuas tus neeg muag khoom cov txheej txheem tswj kom zoo rau kev taug qab. Ib qho luv nqi uas raug nqi rau koj hauv kev tsim khoom, kev sib kis ntawm cov khoom siv, lossis cov roj teeb rov qab tsis muaj kev txuag txhua.
3: Dab tsi yog cov khoom siv tseem ceeb thiab cov khoom siv rau cov ntawv ntshiab nickel siv hauv cov khoom siv roj teeb?
Kev xaiv yog tswj hwm los ntawm cov qauv meej uas txhais tau tias nws tsim nyog:
Thawj Specifications:
ASTM B162: Txheem Specification rau Nickel Phaj, Sheet, thiab Sawb. Qhov no yog tus qauv tseem ceeb, qhia txog cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab kev ua siab ntev rau cov npib tsib xee ntshiab (N02200 & N02201).
UNS N02200 (Nickel 200): Muaj 99.6% min nickel. Siv rau feem ntau cov khoom siv thiab cov txheej txheem ua haujlwm qis dua 600℃F (315 degree) qhov siab sib nqus permeability tsis yog qhov teeb meem.
UNS N02201 (Nickel 201): Ib qho qis -carbon version (0.02% max carbon) ntawm Nickel 200. Nws yog qib nyiam rau siab - cov khoom siv kub (siab tshaj 600℃F) xws li sintering siv los yog cov khoom siv rau hauv cub tawg, raws li cov khoom siv qis ntawm cov pa roj carbon monoxide .
Cov khoom tseem ceeb rau kev siv roj teeb:
Hluav taws xob conductivity: Siab, kwv yees li 25% IACS (International Annealed Copper Standard).
Corrosion Resistance: Kev tiv thaiv zoo heev rau caustic alkalis (xws li KOH hauv NiMH lossis electrode ua), nruab nrab / alkaline ntsev, thiab tsis yog -oxidizing acids.
Weldability & Ductility: Zoo heev, tso cai rau kev txhim khu kev qha laser vuam ntawm tabs thiab fabrication ntawm cov khoom siv complex.
Thermal conductivity: Zoo, pab nyob rau hauv tshav kub dissipation los ntawm tam sim no collectors.
Sib nqus Permeability: Nickel 200/201 ua tsis yog -sib nqus thaum ua kom tiav, tseem ceeb heev rau cov txheej txheem rhiab rau sib nqus cuam tshuam.
4: Yuav ua li cas yog daim ntawv ntshiab nickel koom ua ke rau ob lub roj teeb ntawm lawv tus kheej thiab cov cuab yeej tsim khoom?
Nws txoj kev sib koom ua ke yog ob yam:
Nyob rau hauv lub roj teeb Cell:
Cathode Current Collector: Rau lithium{0}} ion roj teeb siv lithium nickel manganese cobalt oxide (NMC) lossis lithium nickel cobalt aluminium oxide (NCA), txhuas yog tus qauv. Txawm li cas los xij, rau qee qhov tshwj xeeb siab -zog lossis khoom- lub xeev tsim, thiab universally rau NiMH roj teeb (qhov twg cov cathode yog npib tsib xee oxyhydroxide), cov ntawv ci npib tsib xee yog qhov tseem ceeb ntawm cov khoom siv tam sim no.
Tabbing Khoom: Ntshiab npib tsib xee sawb yog cov khoom tseem ceeb rau kev tsim cov tabs conductive welded rau anode thiab cathode foils, vim nws cov weldability thiab compatibility nrog lub cell lub internal chemistry.
Hauv Chemical thiab Manufacturing Equipment:
Mixer thiab Blender Linings: Reactors thiab blenders rau electrode slurry (ib qho sib xyaw ua ke ntawm cov khoom siv hluav taws xob, cov ntaub qhwv, thiab cov kuab tshuaj) yuav raug kab nrog npib tsib xee los tiv thaiv cov hlau tsis huv.
Sintering Furnace Belts & Trays: Hauv kev tsim cov electrode substrates lossis qee yam ntawm tes, cov ntaub ntawv raug sintered hauv siab - kub, tswj cua sov. Nickel 201 txoj siv sia thiab cov khoom siv muaj qhov tsim nyog siab - qhov kub thiab txias thiab ua haujlwm rau carburization / oxidation.
Electrolyte Filling & Handling Systems: Cov kav dej, li qub, thiab cov tso tsheb hlau luam uas tuav cov electrolytes corrosive siv npib tsib xee rau kev ua haujlwm ntev -.
Welding & Assembly Fixtures: Cov kev sib cuag thiab cov lus qhia hauv cov tshuab vuam feem ntau yog npib tsib xee-plated los yog ua los ntawm cov npib tsib xee kom ruaj khov thiab sib cuag hluav taws xob zoo ib yam.
5: Dab tsi yog qhov tseem ceeb ntawm qhov kev ntsuam xyuas zoo rau kev muab cov ntawv ntshiab nickel, thiab lawv cuam tshuam li cas rau qhov kev ua tau zoo ntawm cov roj teeb zaum kawg thiab kev ntseeg siab ntawm cov khoom siv?
Kev kuaj nruj QA yog tus choj ntawm kev yuav khoom thiab cov khoom lag luam txhim khu kev qha.
1. Tshuaj Ntsuam Xyuas (ntawm Spectrometry): Tshawb xyuas kev ua raws li cov qauv N02200/N02201. Qhov no ncaj qha cuam tshuam rau lub roj teeb lub neej ntev thiab kev nyab xeeb. Kev tswj hwm impurity tiv thaiv tus kheej sab hauv - tawm thiab gassing.
2. Mechanical Testing (Tensile, Hardness, Elongation): Ua kom cov khoom muaj qhov raug temper (xws li, mos annealed rau sib sib zog nqus nqus ntawm canisters, nyuaj dov rau cov khoom siv tam sim no cov ntaub ntawv). Cov khoom tsis raug ua rau cov tab tawg lossis cov ntawv ci tearing thaum lub sijhawm sib dhos ntawm tes.
3. Dimensional & Surface Inspection: Siv micrometers, laser scanners, thiab kev tshuaj xyuas qhov muag / microscopic. Qhov no ua kom zoo ib yam txheej tuab ntawm cov ntawv ci thiab txhim khu kev qha haum / foob hauv cov khoom tsim. Deg defects ua rau txheej pinholes thiab cov ntsiab lus tsis muaj zog rau corrosion.
4. Kev ntsuas hluav taws xob hluav taws xob: Txawm hais tias feem ntau suav hais tias yog purity, kev txheeb xyuas ncaj qha rau cov ntawv thov tam sim no tseem ceeb kom ntseeg tau tias tsawg kawg ntawm kev ua haujlwm sab hauv (IR) nce hauv lub roj teeb ntawm tes, cuam tshuam cov khoom siv hluav taws xob thiab kev ua haujlwm zoo.
5. Kev kuaj Corrosion (yog tias tau teev tseg): Rau cov khoom siv raug rau cov tshuaj hnyav, cov kev sim nrawm xws li raug rau KOH cov tshuaj tuaj yeem ua haujlwm tau zoo.
Kev yuav khoom raws li cov ntawv xeem no, tsis yog tus nqi ib leeg, txo kev pheej hmoo. Ib qho tsis ua hauj lwm hauv ib qho ntawm cov chaw no tuaj yeem ua rau muaj kev puas tsuaj loj ntawm cov kab ntau lawm, cov khoom tsis huv ntawm cov khoom siv hluav taws xob, lossis cov teeb meem tsis zoo hauv cov roj teeb uas ua rau kev ua tsis tiav. Qhov tseeb "qis" los ntawm tag nrho cov nqi ntawm kev ua tswv cuab, uas yog txo qis los ntawm kev nqis peev hauv cov ntaub ntawv teev tseg kom raug thiab tau lees paub cov ntaub ntawv nickel ntshiab.
