久久亚洲精品无码aⅴ大香,97se亚洲精品一区,韩国最新爱情电影,漂亮老师做爰6,国产强伦姧人妻毛片

CAC2025 广州先进(jin)陶(tao)瓷(ci)论坛暨展览会(hui)

2025年5月26-28日 美丽豪酒店(广州番禺店)

距离展会还有
-
2024年6月13-15日 广州保利世贸博览馆2号馆

久久亚洲精品无码aⅴ大香,97se亚洲精品一区,韩国最新爱情电影,漂亮老师做爰6,国产强伦姧人妻毛片新闻动态技术科普
能量转换领域的精密陶瓷材料
日期:2023-03-22    浏览次数:
0

能(neng)(neng)量(liang)(liang)转(zhuan)(zhuan)换(huan)是(shi)指能(neng)(neng)量(liang)(liang)形态上的(de)(de)转(zhuan)(zhuan)换(huan),通(tong)常我们(men)可(ke)以通(tong)过(guo)特(te)定的(de)(de)能(neng)(neng)量(liang)(liang)转(zhuan)(zhuan)换(huan)装置产(chan)品(pin),将一(yi)种(zhong)(zhong)形式的(de)(de)能(neng)(neng)量(liang)(liang)转(zhuan)(zhuan)变(bian)为(wei)另一(yi)种(zhong)(zhong)形式的(de)(de)能(neng)(neng)量(liang)(liang)。例如,燃料(liao)电(dian)(dian)(dian)池(chi)可(ke)以将燃料(liao)(氢气、甲(jia)醇(chun)、金属镁(mei)/铝/锌等)的(de)(de)化学能(neng)(neng)直接(jie)转(zhuan)(zhuan)化为(wei)电(dian)(dian)(dian)能(neng)(neng);又例如陶瓷(ci)加(jia)热器可(ke)以通(tong)过(guo)电(dian)(dian)(dian)阻(zu)加(jia)热将将电(dian)(dian)(dian)能(neng)(neng)转(zhuan)(zhuan)化为(wei)热能(neng)(neng);压电(dian)(dian)(dian)陶瓷(ci)具有机(ji)械(xie)能(neng)(neng)与电(dian)(dian)(dian)能(neng)(neng)之(zhi)间(jian)的(de)(de)转(zhuan)(zhuan)换(huan)和逆(ni)转(zhuan)(zhuan)换(huan)的(de)(de)功能(neng)(neng);半导体制(zhi)(zhi)冷(leng)采用(yong)(yong)用(yong)(yong)特(te)种(zhong)(zhong)半导体材料(liao),做成制(zhi)(zhi)冷(leng)器件,不用(yong)(yong)制(zhi)(zhi)冷(leng)剂,通(tong)电(dian)(dian)(dian)后直接(jie)制(zhi)(zhi)冷(leng)。下文以京(jing)瓷(ci)的(de)(de)产(chan)品(pin)作(zuo)为(wei)参考(kao)整理(li)一(yi)下相关陶瓷(ci)部件应用(yong)(yong)的(de)(de)信息(xi)。

能量转换领域的精密陶瓷材料

来源:KYOCERA

一、陶瓷(ci)加热(re)器

1、加(jia)热(re)器

京瓷(ci)官网对氮化(hua)硅加(jia)热器(qi)的特征表述(shu):2秒以内到达(da)1,000℃,最高使用温度1,400℃。

京瓷氮化硅加热器

▲京瓷氮(dan)化(hua)硅加热器

1.1、应用案例:电热塞、各类高(gao)温气体(ti)点火

氮化硅(gui)加热(re)器可以作用于柴(chai)油(you)机启动预热(re)、各类高温气体点(dian)火。电热(re)塞是(shi)作为车用柴(chai)油(you)机的(de)辅助(zhu)冷(leng)起(qi)动措施(shi)而出(chu)现(xian)的(de)。不仅大幅度(du)地(di)改善(shan)了柴(chai)油(you)机的(de)冷(leng)起(qi)动性能,而且是(shi)提高其(qi)起(qi)动时排放指标的(de)行之有效措施(shi)。

1.2、新(xin)兴应用:曲面玻璃加工

5G手机为(wei)了降低高(gao)(gao)频信号(hao)损耗,后盖多(duo)采用(yong)玻(bo)璃(li)材质。手机3D曲面玻(bo)璃(li)采用(yong)CNC加工(gong)(gong),工(gong)(gong)时长,效率低,目前基本(ben)都是(shi)采用(yong)热弯机。玻(bo)璃(li)成型(xing)过程(cheng)中,热弯机需要升(sheng)温(wen)(wen)至1000℃以上,对(dui)加热器要求较高(gao)(gao)。氮化(hua)硅发热件(jian)正(zheng)适(shi)用(yong)于曲面玻(bo)璃(li)加工(gong)(gong),氮化(hua)硅主要由Si3N4组成,耐热冲击(ji)性强,耐高(gao)(gao)温(wen)(wen)强度佳。


2、氧化铝加热器(qi)

陶瓷(ci)(ci)加(jia)热(re)(re)器(qi)是利用陶瓷(ci)(ci)材料(liao)为载体(ti),将发热(re)(re)体(ti)印刷在(zai)陶瓷(ci)(ci)体(ti)内部,一(yi)体(ti)烧(shao)结成型(xing)的(de)(de)。这(zhei)种构造(zao)能(neng)够完全密闭,可(ke)以(yi)设(she)计(ji)非常(chang)精巧的(de)(de)发热(re)(re)线(xian)路(lu)。另外,发热(re)(re)线(xian)路(lu)的(de)(de)设(she)计(ji)也非常(chang)灵(ling)活,可(ke)任意调整(zheng)形(xing)状及功率,还(hai)可(ke)设(she)计(ji)多个线(xian)路(lu)以(yi)实现切换温度传感的(de)(de)功能(neng)。

能量转换领域的精密陶瓷材料

氧化铝加(jia)热(re)(re)器是以高(gao)(gao)可(ke)(ke)靠(kao)性集成电路(lu)用(yong)(yong)陶(tao)瓷封装中的陶(tao)瓷层叠(die)技术为(wei)基(ji)础开发(fa)的,可(ke)(ke)靠(kao)性非常高(gao)(gao)的工(gong)业(ye)用(yong)(yong)加(jia)热(re)(re)器。最(zui)(zui)高(gao)(gao)使(shi)用(yong)(yong)温(wen)(wen)度(du)1,000℃,常规使(shi)用(yong)(yong)温(wen)(wen)度(du)800℃。(来源京瓷产品描述)。此外,在此外珠(zhu)海惠友的官网描述中我们了解到氧化铝陶(tao)瓷发(fa)热(re)(re)体(ti)在通电工(gong)作时,10S内(nei)发(fa)热(re)(re)片表面可(ke)(ke)达(da)200℃,30秒钟内(nei)可(ke)(ke)上升到800℃,长期使(shi)用(yong)(yong)温(wen)(wen)度(du)可(ke)(ke)达(da)500-700℃(已经(jing)实用(yong)(yong)化的PTC发(fa)热(re)(re)材料(liao)的最(zui)(zui)高(gao)(gao)温(wen)(wen)度(du)为(wei)300℃)。

应用案例(li):①智能马(ma)桶加热(re)器(qi):氧化铝(lv)加热(re)器(qi)可用于智能马(ma)桶瞬(shun)间即时加热(re),不需要热(re)水(shui)储(chu)水(shui)罐(guan);②气(qi)体传感器(qi)加热(re)器(qi):提升气(qi)体传感器(qi)可靠性,缩短启动时间。

能量转换领域的精密陶瓷材料

3、PTC陶瓷加热器(qi)

PTC(PositiveTemperatureCoefficient)陶(tao)(tao)(tao)瓷,亦(yi)称“正(zheng)温度(du)系数(shu)热(re)(re)敏陶(tao)(tao)(tao)瓷”。一(yi)类电阻在常温下(xia)(xia)很(hen)小,但会(hui)随温度(du)升高到某一(yi)特定温度(du)(转变温度(du))而(er)突然(ran)增(zeng)大千倍(bei)至百万(wan)倍(bei),温度(du)下(xia)(xia)降又恢(hui)复原状的陶(tao)(tao)(tao)瓷。PTC加热(re)(re)器(qi)又叫PTC发热(re)(re)体,采(cai)用(yong)(yong)(yong)PTC陶(tao)(tao)(tao)瓷发热(re)(re)元件与铝管组成。PTC加热(re)(re)器(qi)应用(yong)(yong)(yong)领域广泛,下(xia)(xia)游应用(yong)(yong)(yong)涉(she)及到汽车(che)、空(kong)调、暖风(feng)扇、干燥机、干衣机等领域。

能量转换领域的精密陶瓷材料

▲PTC加(jia)热(re)器(qi)(qi)原理及功(gong)能:①带(dai)(dai)电型空(kong)(kong)气加(jia)热(re)器(qi)(qi)容易(yi)获(huo)得较(jiao)大的(de)功(gong)率(lv),成(cheng)本也(ye)比较(jiao)低;但是(shi)由于散热(re)器(qi)(qi)是(shi)带(dai)(dai)电的(de),容易(yi)存在安全(quan)隐患(huan);②绝缘型空(kong)(kong)气加(jia)热(re)器(qi)(qi),散热(re)器(qi)(qi)与PTC陶瓷(ci)加(jia)热(re)片是(shi)由绝缘的(de),散热(re)器(qi)(qi)不(bu)带(dai)(dai)电。绝缘型空(kong)(kong)气加(jia)热(re)器(qi)(qi)比较(jiao)安全(quan),但是(shi)功(gong)率(lv)较(jiao)低,成(cheng)本较(jiao)高。

能量转换领域的精密陶瓷材料

▲空(kong)调的电辅(fu)热技术是PTC电辅(fu)热技术

它的(de)(de)(de)(de)基片是(shi)钛酸钡(bei)与(yu)微量的(de)(de)(de)(de)镧族元素(su),烧结而成(cheng)的(de)(de)(de)(de)陶瓷半导(dao)体,其电(dian)阻率随温(wen)(wen)度(du)升(sheng)高(gao)按指数关(guan)系增加(jia)。其次随着掺入钛酸钡(bei)中微量元素(su)品种(zhong)和含量不同(tong),其电(dian)阻率也就不同(tong)。BaTi03(BT)的(de)(de)(de)(de)居里(li)点(dian)是(shi)120℃,现在市场上居里(li)点(dian)超过(guo)120℃的(de)(de)(de)(de)PTC热敏电(dian)阻材(cai)料(liao)(简称(cheng)PTC材(cai)料(liao))几乎全都是(shi)通过(guo)加(jia)铅来实(shi)现的(de)(de)(de)(de)。但铅会危害人们(men)的(de)(de)(de)(de)身体健康及产生环境污染(ran)。人们(men)一直试图研究出环保(bao)型无铅高(gao)居里(li)点(dian)PTC材(cai)。实(shi)用化的(de)(de)(de)(de)PTC发热材(cai)料(liao)最(zui)高(gao)温(wen)(wen)度(du)为300摄(she)氏度(du)。

能量转换领域的精密陶瓷材料

▲PTC加热片的制备工艺

二、压电(dian)陶瓷(ci)

压电陶瓷(ci)是一种(zhong)能(neng)将(jiang)机械能(neng)和电能(neng)相(xiang)互转换的功(gong)能(neng)陶瓷(ci),在谐振器、传感器、超(chao)声(sheng)换能(neng)器、驱动(dong)器、滤波器、电子点(dian)火器等方面有着广泛的应用。

1、压电陶瓷(ci)的应用领域

能量转换领域的精密陶瓷材料

压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)效(xiao)应(ying)的(de)(de)(de)原理是,如果(guo)对压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)材料施(shi)加(jia)(jia)压(ya)(ya)(ya)力(li),它便会产生(sheng)(sheng)电(dian)(dian)(dian)(dian)(dian)(dian)位差(cha)(称之(zhi)(zhi)为正压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)效(xiao)应(ying)),反(fan)之(zhi)(zhi)施(shi)加(jia)(jia)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya),则产生(sheng)(sheng)机(ji)械应(ying)力(li)(称为逆压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)效(xiao)应(ying))。如果(guo)压(ya)(ya)(ya)力(li)是一种高(gao)(gao)频震动(dong)(dong),则产生(sheng)(sheng)的(de)(de)(de)就是高(gao)(gao)频电(dian)(dian)(dian)(dian)(dian)(dian)流。而高(gao)(gao)频电(dian)(dian)(dian)(dian)(dian)(dian)信号(hao)加(jia)(jia)在(zai)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)陶瓷上时,则产生(sheng)(sheng)高(gao)(gao)频声信号(hao)(机(ji)械震动(dong)(dong)),这就是我们平常所说的(de)(de)(de)超声波(bo)信号(hao)。也(ye)就是说,压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)陶瓷具有机(ji)械能与电(dian)(dian)(dian)(dian)(dian)(dian)能之(zhi)(zhi)间的(de)(de)(de)转换和(he)逆转换的(de)(de)(de)功能,这种相(xiang)互对应(ying)的(de)(de)(de)关系确实非常有意思。精密的(de)(de)(de)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)陶瓷,在(zai)严酷(ku)的(de)(de)(de)环境下也(ye)能在(zai)千(qian)分之(zhi)(zhi)一秒到(dao)数十分之(zhi)(zhi)一秒的(de)(de)(de)间隔内,实现从(cong)纳米(mi)到(dao)几百(bai)微米(mi)的(de)(de)(de)变(bian)形(xing)震动(dong)(dong),然(ran)后(hou)高(gao)(gao)速准确的(de)(de)(de)重复。


2、常(chang)见的(de)压电陶瓷材料

钛酸钡(BaTiO3)压电陶瓷具有较高的压电系数(shu)和介(jie)电常数(shu),机械强(qiang)度(du)不如。

锆(gao)钛(tai)酸铅Pb(Zr·Ti)O3。系压电(dian)陶瓷(PZT)压电(dian)系数(shu)较高,各(ge)项机电(dian)参数(shu)随温(wen)度、时间(jian)等外界条件(jian)的(de)变化小(xiao),在锆(gao)钛(tai)酸铅的(de)基方中添加一两(liang)种微量元素,可(ke)以(yi)获得不同性能的(de)PZT材料(liao)。

铌镁(mei)酸铅Pb(MgNb)O3-PbTiO3-PbZrO3压电(dian)陶瓷(ci)(PMN)具(ju)有较高(gao)(gao)的压电(dian)系数,在压力大至700kg/cm2仍能继(ji)续工作(zuo),可作(zuo)为高(gao)(gao)温下的力传感器。

三、固体氧化物(wu)燃(ran)料电池

固体氧化(hua)物燃料(liao)(liao)电(dian)池(chi)(chi)(solidoxidefuelcell,SOFC)是(shi)最高(gao)(gao)效率的(de)(de)燃料(liao)(liao)电(dian)池(chi)(chi),也称作陶(tao)瓷燃料(liao)(liao)电(dian)池(chi)(chi),是(shi)一种在中(zhong)高(gao)(gao)温(wen)下将各种燃料(liao)(liao)气(qi)(天然气(qi)、垃(la)圾填(tian)埋气(qi)、煤气(qi)、甲醇等)的(de)(de)化(hua)学能(neng)高(gao)(gao)效地(di)转化(hua)为电(dian)能(neng)的(de)(de)全固态燃料(liao)(liao)电(dian)池(chi)(chi)。SOFC由电(dian)解质(陶(tao)瓷材料(liao)(liao))、阳/阴极(ji)、连接(jie)体(陶(tao)瓷或合金)构成单电(dian)池(chi)(chi),再由多(duo)个单电(dian)池(chi)(chi)构成电(dian)堆。京瓷的(de)(de)SOFC:精密陶(tao)瓷设(she)计·制造·测评技术(shu),可实(shi)现产品9万小(xiao)时连续工作的(de)(de),360次启停(ting),12年设(she)计寿(shou)命。

能量转换领域的精密陶瓷材料

1、应(ying)用(yong)领域

数百(bai)瓦(wa)(wa)~数千瓦(wa)(wa)功率的SOFC(固(gu)体氧化(hua)物燃料电池)期待活跃在通信(xin)(xin)基站、信(xin)(xin)号机(ji)、管道监(jian)视(shi)等领(ling)域。数百(bai)瓦(wa)(wa)~数千瓦(wa)(wa)功率的SOFC(固(gu)体氧化(hua)物燃料电池)还活跃在家(jia)庭(ting)、便(bian)利店、餐饮店、理(li)发(fa)店等应用场景(来源KYOCERA)。

2、常见(jian)的固体电(dian)解质

固体(ti)(ti)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)是(shi)SOFC的(de)(de)(de)核(he)心部件,目前研究较(jiao)多的(de)(de)(de)ZrO2基(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)、CeO2基(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)和Bi2O3基(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)均为萤石结构(gou)的(de)(de)(de)固体(ti)(ti)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)。其中CeO2基(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)在低(di)温下具(ju)有(you)(you)较(jiao)高(gao)的(de)(de)(de)离子电(dian)(dian)(dian)(dian)(dian)导(dao)率(lv)(lv)(lv),但容(rong)易被还(hai)原,引(yin)入电(dian)(dian)(dian)(dian)(dian)子电(dian)(dian)(dian)(dian)(dian)导(dao),从而降低(di)能量转(zhuan)化效率(lv)(lv)(lv)。Bi2O3基(ji)(ji)(ji)电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)有(you)(you)最(zui)高(gao)的(de)(de)(de)离子电(dian)(dian)(dian)(dian)(dian)导(dao)率(lv)(lv)(lv),但是(shi)稳定性较(jiao)差(cha),至今没有(you)(you)得到广(guang)泛应用。具(ju)有(you)(you)钙钛矿结构(gou)的(de)(de)(de)LSGM电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)在低(di)温时具(ju)有(you)(you)较(jiao)高(gao)的(de)(de)(de)氧(yang)离子电(dian)(dian)(dian)(dian)(dian)导(dao)率(lv)(lv)(lv),是(shi)目前综合(he)性能较(jiao)好的(de)(de)(de)一(yi)种低(di)温电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)材料(liao)。La2Mo2O9电(dian)(dian)(dian)(dian)(dian)解(jie)质(zhi)(zhi)(zhi)在580℃有(you)(you)结构(gou)相变,并且(qie)其易与(yu)电(dian)(dian)(dian)(dian)(dian)极发(fa)生反应限制(zhi)了它的(de)(de)(de)发(fa)展。

能量转换领域的精密陶瓷材料

四、半导体制冷(leng)模块(kuai)/热电模块/Peltier元件(jian)/热(re)电致冷器

热电(dian)(dian)制(zhi)冷(leng)(亦名温(wen)差(cha)(cha)(cha)(cha)电(dian)(dian)制(zhi)冷(leng)、半导体制(zhi)冷(leng)、电(dian)(dian)子制(zhi)冷(leng))是(shi)以(yi)温(wen)差(cha)(cha)(cha)(cha)电(dian)(dian)现象为基础的(de)制(zhi)冷(leng)方法,它是(shi)利用“塞(sai)贝(bei)克”效应的(de)逆反应-珀尔(er)帖Peltier效应的(de)原理达到(dao)制(zhi)冷(leng)目的(de)。塞(sai)贝(bei)克效应就是(shi)在两种不(bu)同(tong)(tong)金(jin)属(shu)组成的(de)闭合线(xian)路(lu)中(zhong),如果保持两接(jie)(jie)触(chu)点(dian)(dian)的(de)温(wen)度不(bu)同(tong)(tong),就会(hui)(hui)在两接(jie)(jie)触(chu)点(dian)(dian)间(jian)产生一个电(dian)(dian)势差(cha)(cha)(cha)(cha)--接(jie)(jie)触(chu)电(dian)(dian)动势,同(tong)(tong)时(shi)闭合线(xian)路(lu)中(zhong)就有电(dian)(dian)流(liu)流(liu)过,称(cheng)为温(wen)差(cha)(cha)(cha)(cha)电(dian)(dian)流(liu)。反之,在两种不(bu)同(tong)(tong)金(jin)属(shu)组成的(de)闭合线(xian)路(lu)中(zhong),若通以(yi)直流(liu)电(dian)(dian),就会(hui)(hui)使(shi)一个接(jie)(jie)点(dian)(dian)变冷(leng),一个变热,这(zhei)称(cheng)为珀尔(er)贴效应,亦称(cheng)温(wen)差(cha)(cha)(cha)(cha)电(dian)(dian)现象。

能量转换领域的精密陶瓷材料

纯金(jin)属(shu)的(de)(de)(de)热(re)电(dian)(dian)效应很小(xiao),若用一(yi)(yi)(yi)个(ge)N型(xing)半(ban)导体和一(yi)(yi)(yi)个(ge)P型(xing)半(ban)导体代替金(jin)属(shu),效应就大得多(duo)。接(jie)通电(dian)(dian)源后,上接(jie)点附(fu)近产(chan)生电(dian)(dian)子-空穴对(dui),内能(neng)减小(xiao),温度降低,向外(wai)界吸(xi)热(re),称为冷(leng)端。另一(yi)(yi)(yi)端因电(dian)(dian)子-空穴对(dui)复合,内能(neng)增加,温度升高,并向环境放热(re),称为热(re)端。一(yi)(yi)(yi)对(dui)半(ban)导体热(re)电(dian)(dian)元(yuan)件(jian)所产(chan)生的(de)(de)(de)温差和冷(leng)量都很小(xiao),实用的(de)(de)(de)半(ban)导体制(zhi)冷(leng)器是(shi)由很多(duo)对(dui)热(re)电(dian)(dian)元(yuan)件(jian)(半(ban)导体晶(jing)粒)经并联、串(chuan)联组(zu)合而成,也称热(re)电(dian)(dian)堆。将这些组(zu)合的(de)(de)(de)晶(jing)粒上下(xia)(xia)面覆盖陶瓷片(pian)或其它导热(re)的(de)(de)(de)绝缘材料,在通电(dian)(dian)的(de)(de)(de)状(zhuang)态下(xia)(xia),便形成一(yi)(yi)(yi)面吸(xi)热(re)、一(yi)(yi)(yi)面放热(re)的(de)(de)(de)效应。其结构及原理图如下(xia)(xia):

能量转换领域的精密陶瓷材料

▲制(zhi)冷(leng)片原理(li)图(来源:一(yi)冷(leng)科技)

能量转换领域的精密陶瓷材料

▲珀耳帖元(yuan)件

1、相关(guan)材料:

半(ban)导体制冷(leng)器(qi)(qi)可用(yong)(yong)的陶瓷(ci)材(cai)料(liao)有Al2O3(96%氧化(hua)铝(lv)(lv))、BeO(氧化(hua)铍(pi))、AlN()等。其中(zhong)(zhong),氧化(hua)铍(pi)和氮化(hua)铝(lv)(lv)的热(re)传导率较高(gao),但氧化(hua)铍(pi)生产要求高(gao),所以很少使用(yong)(yong),而氮化(hua)铝(lv)(lv)的成本相较氧化(hua)铝(lv)(lv)高(gao),可用(yong)(yong)于要求较高(gao)的产品。因(yin)此,氧化(hua)铝(lv)(lv)在(zai)半(ban)导体制冷(leng)器(qi)(qi)中(zhong)(zhong)应用(yong)(yong)最(zui)广泛(fan)。目前热(re)电模块最(zui)常用(yong)(yong)到(dao)的半(ban)导体热(re)电材(cai)料(liao)是(shi)以碲(di)化(hua)铋为基体的三(san)元固溶体合金。通过掺杂得到(dao)P型和N型碲(di)化(hua)铋半(ban)导体热(re)电材(cai)料(liao)。其中(zhong)(zhong)P型是(shi)Bi2Te3-Sb2Te3,N型是(shi)Bi2Te3-Bi2Se3,采用(yong)(yong)垂直(zhi)区熔法提取晶体材(cai)料(liao)。

热电致冷器(qi)应用领(ling)域:目前(qian)热电制冷模块已(yi)在半(ban)导体、消(xiao)费电子、汽车(che)、工业、航(hang)空(kong)、医疗(liao)、通(tong)信等(deng)领域内多个场景(jing)实现广泛应用。

2、应(ying)用领域:汽车座椅温度调节

半导(dao)体(ti)(ti)制冷模块(kuai)/热(re)电(dian)模块(kuai)/Peltier元(yuan)件具(ju)备加热(re)和冷却两(liang)种效果的热(re)控制模块(kuai)。通过电(dian)流使表面温度(du)变化,可以持(chi)续保(bao)持(chi)在设(she)定的目标(biao)温度(du)(温度(du)调(diao)节)。

能量转换领域的精密陶瓷材料

通过(guo)在驾驶员(yuan)座椅,前排乘客座椅甚至后排座椅上使(shi)用热(re)电模(mo)块,使(shi)座椅中散发出冷热(re)的空(kong)气,以调(diao)节(jie)车体温度,即使(shi)长时间仍可舒适驾驶。(来(lai)源:Ferrotec Material Technologies --Peltier Type Climate Control Seat)

3、应(ying)用(yong)领域:消费电(dian)子(zi)

消费电子(zi)(zi)领域(yu)是(shi)目前半导体(ti)(ti)热电制(zhi)(zhi)冷(leng)(leng)技术一个大的(de)应(ying)用(yong)市场(chang),其最典型(xing)的(de)应(ying)用(yong)是(shi)在(zai)有限的(de)空(kong)间内制(zhi)(zhi)冷(leng)(leng)或通过制(zhi)(zhi)冷(leng)(leng)、制(zhi)(zhi)热实现(xian)精确控温(wen),如(ru)恒温(wen)酒柜(ju)、电子(zi)(zi)冰(bing)箱、冷(leng)(leng)热型(xing)饮(yin)水(shui)(shui)机(ji)(ji)(ji)、电子(zi)(zi)空(kong)调、啤(pi)酒机(ji)(ji)(ji)、恒温(wen)床垫、除湿机(ji)(ji)(ji)、手机(ji)(ji)(ji)散热夹、水(shui)(shui)离子(zi)(zi)吹风(feng)机(ji)(ji)(ji)等。

4、应(ying)用领(ling)域:通讯电力

网(wang)络及(ji)通(tong)讯(xun)技(ji)术(shu)的(de)(de)快速(su)发(fa)展,对(dui)(dui)讯(xun)号传输的(de)(de)品(pin)质及(ji)速(su)度(du)提(ti)出了(le)更高(gao)要求。器(qi)件(jian)(jian)性(xing)能(neng)不断提(ti)升(sheng),封装尺寸不断缩小(xiao),造成(cheng)器(qi)件(jian)(jian)的(de)(de)发(fa)热(re)(re)密(mi)度(du)不断提(ti)升(sheng),如果热(re)(re)无法迅速(su)散(san)去(qu),会造成(cheng)产品(pin)可靠度(du)降低(di),甚(shen)至损毁的(de)(de)严重后果。对(dui)(dui)于光通(tong)讯(xun)器(qi)件(jian)(jian)而言,除了(le)散(san)热(re)(re),温(wen)度(du)的(de)(de)控(kong)(kong)(kong)制(zhi)更为重要。半导(dao)体(ti)(ti)制(zhi)冷(leng)模组(zu)可以通(tong)过(guo)对(dui)(dui)输入电流的(de)(de)控(kong)(kong)(kong)制(zhi),实现(xian)高(gao)精度(du)的(de)(de)温(wen)度(du)控(kong)(kong)(kong)制(zhi),再加(jia)上其体(ti)(ti)积小(xiao),制(zhi)冷(leng)效率高(gao)的(de)(de)特点,非常适用于光通(tong)讯(xun)器(qi)件(jian)(jian)的(de)(de)精密(mi)温(wen)度(du)控(kong)(kong)(kong)制(zhi)。


部分产品应用参(can)考来源:KYOCERA官(guan)网(wang)

 

编辑:粉(fen)体圈(quan)Alpha

本(ben)文为(wei)粉体圈原创作品,未(wei)经许可,不(bu)得转(zhuan)载,也不(bu)得歪曲、篡改或复制本(ben)文内容,否则本(ben)公司将依法(fa)追(zhui)究法(fa)律(lv)责任