Mechanical strength of HJT cells: Raising the bar in achieving a low wafer thickness in production

1.0PV Techhttps://www.pv-tech.orgMechanical strength of HJT cells: Raising the bar in achieving a low wafer thickness in productionrich600338<blockquote class="wp-embedded-content" data-secret="SCMJLIf0yy"><a href="https://www.pv-tech.org/technical-papers/mechanical-strength-of-hjt-cells-raising-the-bar-in-achieving-a-low-wafer-thickness-in-production/">Mechanical strength of HJT cells: Raising the bar in achieving a low wafer thickness in production</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.pv-tech.org/technical-papers/mechanical-strength-of-hjt-cells-raising-the-bar-in-achieving-a-low-wafer-thickness-in-production/embed/#?secret=SCMJLIf0yy" width="600" height="338" title="“Mechanical strength of HJT cells: Raising the bar in achieving a low wafer thickness in production” — PV Tech" data-secret="SCMJLIf0yy" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> https://www.pv-tech.org/wp-content/uploads/2021/06/Mechanical-strength-of-HJT-cells.png1330805In this paper, an even greater reduction in wafer thickness, down to 130μm, is evaluated, and the critical steps in terms of breakage rates in cell and module production processes are reviewed. Finally, the mechanical stability and reliability of these thin HJT cells in glass–backsheet and glass–glass module types are addressed.