Question

Explain, what is the factor limiting the efficiency of a single-band gap PV cell.

Answer 1

Answer:

The excess kinetic energy is converted to heat through phonon interactions as the kinetic energy of the carriers slows to equilibrium velocity. Traditional single-junction cells with an optimal band gap for the solar spectrum have a maximum theoretical efficiency of 33.16%, the Shockley–Queisser limit

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Answer 2

HELLO DEAR,

ANSWER:- The factor that limiting the efficiency of a single band gap PV cell is depend on light concentration. Sunlight can be concentrated with lens or mirror to much intensity that much needed. The sunlight intensity as a parameter in the Shockley - Queisser calculation and with more concentrated the theoretical efficiently limit increases somewhat.

The excess kinetic energy is converted to heat through phonon interaction as a kinetic energy of career slows to equilibrium velocity. Traditional single-junction cells with an optimal band gap for the solar spectrum have a maximum theoretical efficiency of 33.16% the shockley - Queisser limit.

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