Silicon: Difference between revisions

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*Compare to steel at 20 MJ/kg [https://www.google.com/search?q=what+is+the+embodied+energy+of+steel&sca_esv=9360e7f17122653e&sxsrf=ADLYWILnZrV0U_M4TyJlSYlQDrEA_SXC-g%3A1733191918085&ei=7mhOZ7jfBKOYptQPs_3d0AQ&oq=what+is+the+embodied+energy+of+steel&gs_lp=EhNtb2JpbGUtZ3dzLXdpei1zZXJwGgIYAiIkd2hhdCBpcyB0aGUgZW1ib2RpZWQgZW5lcmd5IG9mIHN0ZWVsMgUQABiABDIFECEYoAEyBRAhGKABMgUQIRigATIFECEYoAEyBhAAGBYYHjILEAAYgAQYhgMYigUyCBAAGIAEGKIESMVQULMVWN9NcAJ4AZABApgBwQGgAdwbqgEEMjcuObgBA8gBAPgBAZgCDaAC_AeoAg_CAgoQABiwAxjWBBhHwgIHECMYJxjqAsICChAjGCcY6gIYiwPCAg8QIxiABBgnGIoFGEYY-QHCAgQQIxgnwgILEAAYgAQYkQIYigXCAgoQABiABBhDGIoFwgIREC4YgAQYsQMY0QMYgwEYxwHCAgoQABiABBgUGIcCwgILEAAYgAQYsQMYgwHCAggQABiABBixA8ICDhAAGIAEGLEDGIMBGIoFmAMRiAYBkAYIkgcEMTEuMqAH-Y8C&sclient=mobile-gws-wiz-serp], and 10x more than this for aluminum [https://www.google.com/search?q=what+is+the+embodied+energy+of+aluminum&oq=what+is+the+embodied+energy+of+aluminum&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCDMwNzdqMGo0qAICsAIB&sourceid=chrome-mobile&ie=UTF-8]
*Compare to steel at 20 MJ/kg [https://www.google.com/search?q=what+is+the+embodied+energy+of+steel&sca_esv=9360e7f17122653e&sxsrf=ADLYWILnZrV0U_M4TyJlSYlQDrEA_SXC-g%3A1733191918085&ei=7mhOZ7jfBKOYptQPs_3d0AQ&oq=what+is+the+embodied+energy+of+steel&gs_lp=EhNtb2JpbGUtZ3dzLXdpei1zZXJwGgIYAiIkd2hhdCBpcyB0aGUgZW1ib2RpZWQgZW5lcmd5IG9mIHN0ZWVsMgUQABiABDIFECEYoAEyBRAhGKABMgUQIRigATIFECEYoAEyBhAAGBYYHjILEAAYgAQYhgMYigUyCBAAGIAEGKIESMVQULMVWN9NcAJ4AZABApgBwQGgAdwbqgEEMjcuObgBA8gBAPgBAZgCDaAC_AeoAg_CAgoQABiwAxjWBBhHwgIHECMYJxjqAsICChAjGCcY6gIYiwPCAg8QIxiABBgnGIoFGEYY-QHCAgQQIxgnwgILEAAYgAQYkQIYigXCAgoQABiABBhDGIoFwgIREC4YgAQYsQMY0QMYgwEYxwHCAgoQABiABBgUGIcCwgILEAAYgAQYsQMYgwHCAggQABiABBixA8ICDhAAGIAEGLEDGIMBGIoFmAMRiAYBkAYIkgcEMTEuMqAH-Y8C&sclient=mobile-gws-wiz-serp], and 10x more than this for aluminum [https://www.google.com/search?q=what+is+the+embodied+energy+of+aluminum&oq=what+is+the+embodied+energy+of+aluminum&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCDMwNzdqMGo0qAICsAIB&sourceid=chrome-mobile&ie=UTF-8]
*How many grams of silicon are needed for 1kW of PV panels? 2 kg [https://www.google.com/search?q=How+many+grams+of+silicon+are+contained+in+a+1+kilowatt+Photovoltaic+panel&oq=How+many+grams+of+silicon+are+contained+in+a+1+kilowatt+Photovoltaic+panel&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCTE1NzkyajBqN6gCD7ACAQ&sourceid=chrome-mobile&ie=UTF-8], based on 2g/W.
*How many grams of silicon are needed for 1kW of PV panels? 2 kg [https://www.google.com/search?q=How+many+grams+of+silicon+are+contained+in+a+1+kilowatt+Photovoltaic+panel&oq=How+many+grams+of+silicon+are+contained+in+a+1+kilowatt+Photovoltaic+panel&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCTE1NzkyajBqN6gCD7ACAQ&sourceid=chrome-mobile&ie=UTF-8], based on 2g/W.
*5% of weight of PV is silicon [https://www.google.com/search?q=composition+of+a+pv+panel+by+weight+of+materials&oq=composition+of+a+pv+panel+by+weight+of+materials&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCTE1ODcxajBqNKgCArACAQ&sourceid=chrome-mobile&ie=UTF-8#sbfbu=1&pi=composition%20of%20a%20pv%20panel%20by%20weight%20of%20materials]
*5% of weight of PV is silicon [https://www.google.com/search?q=composition+of+a+pv+panel+by+weight+of+materials&oq=composition+of+a+pv+panel+by+weight+of+materials&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCTE1ODcxajBqNKgCArACAQ&sourceid=chrome-mobile&ie=UTF-8#sbfbu=1&pi=composition%20of%20a%20pv%20panel%20by%20weight%20of%20materials]. 76% is glass, 10% is aluminum, and 10% is PVA.

Revision as of 02:28, 3 December 2024

  • embodied energy of 1000 MJ/kg or 300 kWhr! [1]
  • Compare to steel at 20 MJ/kg [2], and 10x more than this for aluminum [3]
  • How many grams of silicon are needed for 1kW of PV panels? 2 kg [4], based on 2g/W.
  • 5% of weight of PV is silicon [5]. 76% is glass, 10% is aluminum, and 10% is PVA.
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