Panasonic HIT solar module achieves world’s best output temperature coefficient

By Kelly Pickerel Panasonic Corporation has achieved the world’s leading output temperature coefficient for mass-produced silicon photovoltaic modules, at -0.258%/°C. This record-breaking innovation sets a new standard for the solar industry, improving on the previous temperature coefficient by 0.032 points at the mass production level, highlighting the positive temperature characteristics of heterojunction solar cells and further improving Panasonic’s unique heterojunction technology.
Output temperature coefficient is a vital metric in evaluating solar modules as a measurement of how quickly their conversion efficiency degrades as the temperature rises, thereby reducing the output. The standard silicon solar cell’s output temperature coefficient is -0.50%, which denotes a decline

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