Muab ternary thermoelectric bismuth telluride P-hom Bi0.5Sb1.5Te3 thiab N-hom Bi2Te2.7Se0.3
Kev taw qhia luv luv
Kev ua tau zoo
| Yam khoom | bismuth telluride, bi2te3 |
| N hom | |
| P hom | Bi0.5Te3.0Sb1.5 |
| Specification | Thaiv ingot los yog hmoov |
| ZT | 1.15 |
| Ntim | vacumm hnab ntim khoom |
| Daim ntawv thov | tub yees, cua txias, thermo, kev tshawb nrhiav kev tshawb fawb |
| Hom | Xinglu |
Specification
| Specificaiton | P-hom | N-hom | Sau tseg |
| Ntaus tus lej | Peb-P-2 | BiTe N-2 | |
| Txoj kab uas hla (mm) | 31 ± 2 | 31 ± 2 | |
| Ntev (mm) | 250 ± 30 | 250 ± 30 | |
| Qhov ceev (g / cm3) | 6.8 | 7.8 ib | |
| Hluav taws xob conductivity | 2000-6000 Nws | 2000-6000 Nws | 300 K |
| Seebeck Coefficient α (μ UK-1) | ≥140 | ≥140 | 300 K |
| Thermal conductivity k (Wm-1 K) | 2.0-2.5 hli | 2.0-2.5 hli | 300 K |
| Hmoov Factor P (WmK-2) | ≥0.005 | ≥0.005 | 300 K |
| ZT nqi | ≥0.7 | ≥0.7 | 300 K |
| Hom | Xinglu | ||
Daim ntawv thov
Bismuth telluride (Bi2Te3)yog cov khoom siv thermoelectric paub txog nws lub peev xwm los hloov thermal zog rau hauv hluav taws xob hluav taws xob. Nws yog tsim los ntawm ob hom: P-homBi0.5Sb1.5Te3thiab N-hom Bi2Te2.7Se0.3. P-type Bi0.5Sb1.5Te3 yog tsim los ntawm bismuth, antimony thiab tellurium, thaum N-type Bi2Te2.7Se0.3 muaj bismuth, tellurium thiab selenium. Ob hom bismuth telluride muaj nyob rau hauv cov ntsiav tshuaj lossis hmoov daim ntawv.
Cov kev siv ntawmbismuth tellurideP-hom Bi0.5Sb1.5Te3 thiab N-hom Bi2Te2.7Se0.3 yog nyob rau hauv lub tshav pob ntawm thermoelectric zog conversion. Cov ntaub ntawv no feem ntau siv rau hauv cov khoom siv thermoelectric tsim los siv qhov sib txawv ntawm qhov kub thiab txias los tsim hluav taws xob. P-hom Bi0.5Sb1.5Te3 thiab N-type Bi2Te2.7Se0.3 tuaj yeem ua ke rau hauv cov khoom siv xws li cov tshuab hluav taws xob thermoelectric, tsheb khib nyiab hluav taws xob rov qab tshuab, thiab lub tshuab hluav taws xob tsim hluav taws xob. Lawv cov kev ua tau zoo thiab kev ua tau zoo ua rau lawv haum rau ntau yam kev siv zog sau qoob loo.
Ob leeg P-hom Bi0.5Sb1.5Te3 thiab N-type Bi2Te2.7Se0.3 bismuth telluride cov ntaub ntawv muaj cov khoom siv hluav taws xob zoo heev thiab tsim nyog rau kev siv hluav taws xob txias. Cov ntaub ntawv no tuaj yeem siv los tsim cov thermoelectric coolers, tseem hu ua Peltier coolers, uas tshem tawm cov cua sov los ntawm cov khoom siv hluav taws xob thiab tswj kev ua haujlwm kom zoo. Ntxiv rau,Bismuth TellurideCov ntaub ntawv P- thiab N-hom yog siv rau kev tswj xyuas thermal hauv cov khoom siv kho mob, aerospace technology thiab cov khoom siv hluav taws xob.
Hauv cov ntsiab lus,bismuth tellurideP-type Bi0.5Sb1.5Te3 thiab N-type Bi2Te2.7Se0.3 yog cov khoom muaj txiaj ntsig nrog kev siv dav hauv kev hloov pauv hluav taws xob thiab hluav taws xob txias. Lawv cov khoom siv hluav taws xob tshwj xeeb ua rau lawv yog ib qho tseem ceeb ntawm ntau yam khoom siv thiab tshuab, pab txhawb kev nce qib ntawm kev siv hluav taws xob thiab kev siv thev naus laus zis. Raws li kev thov rau lub zog tauj dua tshiab txuas ntxiv mus, kev sivbismuth telluridecov ntaub ntawv yuav tsum tau nce, tsav kev tshawb fawb thiab kev loj hlob ntxiv hauv cheeb tsam no.
