GOLDENSOLAR Achieves Record 28.2% Efficiency for Initial HBC Solar Cells

Stock News05-28

GOLDENSOLAR has announced that the initial batch of cells under its HBC project has achieved a certified cell efficiency of 28.2% following testing by the global independent testing organization TÜV Rheinland. This result represents a leading publicly disclosed record for HBC solar cell efficiency. The board views this test outcome as a significant milestone in the practical application of the company's HBC patent technology, further validating the technical potential and industrial value of the HBC technological pathway for high conversion efficiency. The company is the inventor of the HBC solar cell technology and holds a complete patent portfolio for the entire HBC technology. The project utilizes equipment and facilities from the previous generation Passivated Emitter and Rear Cell (PERC) technology, upgraded to the higher-efficiency HBC patent technology through the company's proprietary technology suite. The achievement of a 28.2% certified efficiency for this first batch of HBC solar cells marks a critical step forward in the practical advancement of the company's HBC patent technology licensing model. The company's technical team has already provided HBC technology-related assistance to JA Solar Technology Co., Ltd., a leading photovoltaic module manufacturer, to establish one R&D line and one small-scale pilot production line. Preparations are underway for the subsequent phase of scaled mass production. The board believes these developments indicate that the HBC patent technology licensing initiative is progressing from technical validation towards engineering verification and industrial implementation, demonstrating the commercial value of the HBC patents. The board is of the view that as the HBC patent technology continues to be validated in practical projects, the company's new business model—centered on HBC solar cell patent licensing, specialized paste, and related technical services—is expected to gain further industry recognition and create new growth opportunities for the company's future business development.

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