High efficiency multijunction solar cells

• Main Authors: SHEN HENGCHUN, DENG QINGFENG, SHEN YUANZHONG, CUI ZHENHUA, LIU MINGXUAN
• Format: Patent
• Language: Chinese; English
• Published: 06.06.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SEMICONDUCTOR DEVICES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses a high efficiency multijunction solar cells, technological purpose provides a high efficiency multijunction solar cells who possesses structure more than 3 knots. Solar cell's electricity generation structure, including the silicon chip, it maybe to be equipped with cladding material top -down branch on the silicon chip: N type layer, N+ type layer, P+ type layer, P type layer, P+ type layer, N+ type layer, N type layer, form the PN junction layer respectively, the PN junction layer top forms N+N and just ties the layer, the PN junction layer below forms the high low layer of P+P, it just ties layer, PN junction layer, N+N and just ties the layer down to form P+P in proper order. The utility model discloses more than the battery piece conversion efficiency 36%. Be applicable to light energy power generation sector. 本实用新型的高效多结太阳能电池，技术目的是提供种具备3结以上结构的高效多结太阳能电池。所述太阳能电池的发电结构，包括有硅片，所述硅片上设有镀层自上而下分别是：N型层、N+型层、P+型层、P型层、P+型层、N+型层、N型层；分别形成PN结层，所述PN结层上方形成N+N高低结层，所述PN结层下方形成P+P高低层；往下依次形成P+P高低结层、