黑龍江硅太陽(yáng)能電池片哪里好來(lái)電咨詢無(wú)錫薩科特新能源科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="光伏電池的發(fā)電原理可說(shuō)就是光伏發(fā)電原理：光伏發(fā)電是利用半導(dǎo)體界面的光生伏***應(yīng)而將光能直接轉(zhuǎn)變?yōu)殡娔艿囊环N技術(shù)。這種技術(shù)的關(guān)鍵元件是太陽(yáng)能電池。太陽(yáng)能電池經(jīng)過(guò)串聯(lián)后進(jìn)行封裝保護(hù)可形成大面積的太陽(yáng)電池組件，再配合上功率控制器等部件就形成了光"><meta name="keywords" content="黑龍江硅太陽(yáng)能電池片哪里好,太陽(yáng)能電池片"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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href="http://www.cdcfah.com/cp/third-tynsb_qttynsb/">其他太陽(yáng)能設(shè)備</a>?黑龍江硅太陽(yáng)能電池片哪里好來(lái)電咨詢無(wú)錫薩科特新能源科技供應(yīng)</p><div id="84r7wyf" class="leftbox clearfix"><h1>黑龍江硅太陽(yáng)能電池片哪里好來(lái)電咨詢無(wú)錫薩科特新能源科技供應(yīng)</h1><div id="b3oim38" class="proBig"><div id="qelnu9z" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/Wuxiskt/637188588698867188/312907.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vjqszt7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/Wuxiskt/637188588698867188/312907.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hlnkw4a" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>黑龍江硅太陽(yáng)能電池片哪里好,太陽(yáng)能電池片</p><p><span>***更新：</span>2020-09-19 08:03:51</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7kwy8jq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫薩科特新能源科技有限公司</a></p><p><span>聯(lián)系人：</span>夏超群</p><p><span>郵箱: </span>278218560@qq.com</p><p><span>電話: </span>13806182460</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-68005868</p><p><span>地址: </span>鵝湖鎮(zhèn)青虹路德鄰工業(yè)園888號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ojzbnm9" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="t8xuwfu" class="box"><p><p> 光伏電池的發(fā)電原理可說(shuō)就是光伏發(fā)電原理： </p> <p> 光伏發(fā)電是利用半導(dǎo)體界面的光生伏***應(yīng)而將光能直接轉(zhuǎn)變?yōu)殡娔艿囊环N技術(shù)。這種技術(shù)的關(guān)鍵元件是太陽(yáng)能電池。太陽(yáng)能電池經(jīng)過(guò)串聯(lián)后進(jìn)行封裝保護(hù)可形成大面積的太陽(yáng)電池組件，再配合上功率控制器等部件就形成了光伏發(fā)電裝置。 </p> <p> 光伏發(fā)電的主要具體原理是半導(dǎo)體的光電效應(yīng)。光子照射到金屬上時(shí)，它的能量可以被金屬中某個(gè)電子全部吸收，黑龍江硅太陽(yáng)能電池片哪里好，電子吸收的能量足夠大，能克服金屬內(nèi)部引力做功，離開金屬表面逃逸出來(lái)，成為光電子。硅原子有4個(gè)外層電子，如果在純硅中摻入有5個(gè)外層電子的原子如磷原子，就成為N型半導(dǎo)體；若在純硅中摻入有3個(gè)外層電子的原子如硼原子，形成P型半導(dǎo)體。當(dāng)P型和N型結(jié)合在一起時(shí)，黑龍江硅太陽(yáng)能電池片哪里好，接觸面就會(huì)形成電勢(shì)差，成為太陽(yáng)能電池。當(dāng)太陽(yáng)光照射到P－N結(jié)后，空穴由P極區(qū)往N極區(qū)移動(dòng)，電子由N極區(qū)向P極區(qū)移動(dòng)，形成電流。 </p> <p> 上面所說(shuō)的光電效應(yīng)就是光照使不均勻半導(dǎo)體或半導(dǎo)體與金屬結(jié)合的不同部位之間產(chǎn)生電位差的現(xiàn)象，黑龍江硅太陽(yáng)能電池片哪里好。它首先是由光子(光波)轉(zhuǎn)化為電子、光能量轉(zhuǎn)化為電能量的過(guò)程；其次，是形成電壓過(guò)程。太陽(yáng)能電池的主要參數(shù)是什么？黑龍江硅太陽(yáng)能電池片哪里好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江硅太陽(yáng)能電池片哪里好,太陽(yáng)能電池片" src="http://tyunfile.71360.com/UploadFile/Wuxiskt/637188588698867188/312907.jpg"></div><p> 二、表面制絨 </p> <p> 單晶硅絨面的制備是利用硅的各向異性腐蝕，在每平方厘米硅表面形成幾百萬(wàn)個(gè)四面方錐體也即金字塔結(jié)構(gòu)。由于入射光在表面的多次反射和折射，增加了光的吸收，提高了電池的短路電流和轉(zhuǎn)換效率。硅的各向異性腐蝕液通常用熱的堿性溶液，可用的堿有氫氧化鈉，氫氧化鉀、氫氧化鋰和乙二胺等。大多使用廉價(jià)的濃度約為1%的氫氧化鈉稀溶液來(lái)制備絨面硅，腐蝕溫度為70-85℃。為了獲得均勻的絨面，還應(yīng)在溶液中酌量添加醇類如乙醇和異丙醇等作為絡(luò)合劑，以加快硅的腐蝕。制備絨面前，硅片須先進(jìn)行初步表面腐蝕，用堿性或酸性腐蝕液蝕去約20～25μm，在腐蝕絨面后，進(jìn)行一般的化學(xué)清洗。經(jīng)過(guò)表面準(zhǔn)備的硅片都不宜在水中久存，以防沾污，應(yīng)盡快擴(kuò)散制結(jié)。北京薄膜太陽(yáng)能電池片進(jìn)口太陽(yáng)能電池片為什么有細(xì)柵線?</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江硅太陽(yáng)能電池片哪里好,太陽(yáng)能電池片" src="http://tyunfile.71360.com/UploadFile/Wuxiskt/637188588693457032/3717565.jpg"></div><p> 六、鍍減反射膜 </p> <p> 拋光硅表面的反射率為35%,為了減少表面反射,提高電池的轉(zhuǎn)換效率,需要沉積一層氮化硅減反射膜。工業(yè)生產(chǎn)中常采用PECVD設(shè)備制備減反射膜。PECVD即等離子增強(qiáng)型化學(xué)氣相沉積。它的技術(shù)原理是利用低溫等離子體作能量源，樣品置于低氣壓下輝光放電的陰極上，利用輝光放電使樣品升溫到預(yù)定的溫度，然后通入適量的反應(yīng)氣體SiH4和NH3，氣體經(jīng)一系列化學(xué)反應(yīng)和等離子體反應(yīng)，在樣品表面形成固態(tài)薄膜即氮化硅薄膜。一般情況下，使用這種等離子增強(qiáng)型化學(xué)氣相沉積的方法沉積的薄膜厚度在70nm左右。這樣厚度的薄膜具有光學(xué)的功能性。利用薄膜干涉原理，可以使光的反射大為減少，電池的短路電流和輸出就有很大增加，效率也有相當(dāng)?shù)奶岣摺?</p><p style="text-indent:25px">太陽(yáng)電池的主柵是不確定數(shù)目的，這都是隨時(shí)代而變換的，以前是兩主柵，后面有三主柵，還有五主柵，其實(shí)也有研究過(guò)無(wú)主柵的，主柵的主要作用與細(xì)柵類似，都是收集載流子，但是呢，主柵的數(shù)量及寬度是要追求一個(gè)比較好化的，既要滿足足夠多和粗來(lái)講全部的有效載流子收集起來(lái)，又要盡可能的少和細(xì)來(lái)盡量減少對(duì)太陽(yáng)光的阻擋作用。因此需要在這之間找一個(gè)平衡。因?yàn)楸趁娌簧婕暗讲晒鈫?wèn)題（普通電池），所以一般設(shè)計(jì)成全鋁背場(chǎng)，但是也得要載流子導(dǎo)出來(lái)啊，所以會(huì)有背銀的存在，全鋁背場(chǎng)和背銀都是背電極。主柵和背面的背銀都是為了焊接用的，你看到的封裝好的電池，前面的主柵上是焊了一條焊帶的，背面也是，背銀的作用就是為焊帶焊接導(dǎo)出載流子而用的，需要注意的是細(xì)柵和主柵是絲網(wǎng)印刷印上去的，而你看到封裝好的電池的主柵上覆蓋了一層焊帶，這是焊上去的。至于你說(shuō)的正極負(fù)極，這跟柵線的數(shù)目沒(méi)有關(guān)系，這主要與電池片的類型有關(guān)，P型電池片的正極是背電極，前電極（主柵細(xì)柵）就是負(fù)極。太陽(yáng)能電池的主要參數(shù).</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江硅太陽(yáng)能電池片哪里好,太陽(yáng)能電池片" src="http://tyunfile.71360.com/UploadFile/Wuxiskt/637188253376865234/5608017.jpg"></div><p> 二、表面制絨 </p> <p> 單晶硅絨面的制備是利用硅的各向異性腐蝕，在每平方厘米硅表面形成幾百萬(wàn)個(gè)四面方錐體也即金字塔結(jié)構(gòu)。由于入射光在表面的多次反射和折射，增加了光的吸收，提高了電池的短路電流和轉(zhuǎn)換效率。硅的各向異性腐蝕液通常用熱的堿性溶液，可用的堿有氫氧化鈉，氫氧化鉀、氫氧化鋰和乙二胺等。大多使用廉價(jià)的濃度約為1%的氫氧化鈉稀溶液來(lái)制備絨面硅，腐蝕溫度為70-85℃。為了獲得均勻的絨面，還應(yīng)在溶液中酌量添加醇類如乙醇和異丙醇等作為絡(luò)合劑，以加快硅的腐蝕。制備絨面前，硅片須先進(jìn)行初步表面腐蝕，用堿性或酸性腐蝕液蝕去約20～25μm，在腐蝕絨面后，進(jìn)行一般的化學(xué)清洗。經(jīng)過(guò)表面準(zhǔn)備的硅片都不宜在水中久存，以防沾污，應(yīng)盡快擴(kuò)散制結(jié)。太陽(yáng)能電池片焊接問(wèn)題！黑龍江硅太陽(yáng)能電池片哪里好</p><p style="text-indent:25px">太陽(yáng)能電池片的分類及其優(yōu)缺點(diǎn)是什么？黑龍江硅太陽(yáng)能電池片哪里好</p><p> 八、快速燒結(jié) </p> <p> 經(jīng)過(guò)絲網(wǎng)印刷后的硅片，不能直接使用，需經(jīng)燒結(jié)爐快速燒結(jié)，將有機(jī)樹脂粘合劑燃燒掉，剩下幾乎純粹的、由于玻璃質(zhì)作用而密合在硅片上的銀電極。當(dāng)銀電極和晶體硅在溫度達(dá)到共晶溫度時(shí)，晶體硅原子以一定的比例融入到熔融的銀電極材料中去，從而形成上下電極的歐姆接觸，提高電池片的開路電壓和填充因子兩個(gè)關(guān)鍵參數(shù)，使其具有電阻特性，以提高電池片的轉(zhuǎn)換效率。 </p> <p> 燒結(jié)爐分為預(yù)燒結(jié)、燒結(jié)、降溫冷卻三個(gè)階段。預(yù)燒結(jié)階段目的是使?jié){料中的高分子粘合劑分解、燃燒掉，此階段溫度慢慢上升;燒結(jié)階段中燒結(jié)體內(nèi)完成各種物理化學(xué)反應(yīng)，形成電阻膜結(jié)構(gòu)，使其真正具有電阻特性，該階段溫度達(dá)到峰值;降溫冷卻階段，玻璃冷卻硬化并凝固，使電阻膜結(jié)構(gòu)固定地粘附于基片上。黑龍江硅太陽(yáng)能電池片哪里好</p><p style="text-indent:25px">無(wú)錫薩科特新能源科技有限公司致力于電工電氣，是一家生產(chǎn)型公司。無(wú)錫薩科特致力于為客戶提供良好的太陽(yáng)能電池片，太陽(yáng)能板，太陽(yáng)能系統(tǒng)，太陽(yáng)能水泵，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事電工電氣多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。無(wú)錫薩科特立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1339857.html</p></div></div></div></div></div><div id="b8vszw4" class="page-right twoColRt"><div id="zdfmjq4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ptfrj7u" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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