Abstract
This paper discusses the role hydrogen plays in degradation of silicon solar cells and modules. Slightly unorthodox, it presents a high level view of the latest research findings and theories of Professor Stuart Wenham before he suddenly passed away. This paper includes 6 main parts: (1) a brief introduction including Professor Wenham's prior hydrogen related work; (2) evidence for the role of excess hydrogen in Light- and elevated Temperature- Induced Degradation (LeTID) (3) discussion of Prof. Wenham's Bucket Theory' - how hydrogen could move and change to cause LeTID or Hydrogen- Induced Degradation (HID); (4) how hydrogen can cause recombination including Prof. Wenham's realization that hydrogen can cause recombination on its own (Hydrogen- Induced Recombination); (5) demonstration that appropriate control of hydrogenation processes can enable wafers and solar cells that are stable against LeTID/HID; and (6) implications and testing.
| Original language | English |
|---|---|
| Title of host publication | 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC) |
| Place of Publication | Piscataway, NJ |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Pages | 1-8 |
| Number of pages | 8 |
| ISBN (Electronic) | 9781538685297 |
| ISBN (Print) | 9781538685303 |
| DOIs | |
| Publication status | Published - 2018 |
| Externally published | Yes |
| Event | 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States Duration: 10 Jun 2018 → 15 Jun 2018 |
Publication series
| Name | |
|---|---|
| ISSN (Print) | 0160-8371 |
Conference
| Conference | 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 |
|---|---|
| Country/Territory | United States |
| City | Waikoloa Village |
| Period | 10/06/18 → 15/06/18 |
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