等效位移損傷劑量法預(yù)測GaInP2/GaAs/Ge三結(jié)電池在軌性能退化規(guī)律

Predictions of degradation of electrical properties of GaInP2/GaAs/Ge solar cells using equivalent displacement-damage-dose technique

摘要: 文章首先在輻照條件下測試GaInP2/GaAs/Ge三結(jié)太陽電池的光譜響應(yīng)，確定了三結(jié)電池在軌道帶電粒子輻照條件下的損傷特征。通過試驗獲得了在不同粒子輻照條件下電池電性能退化規(guī)律，由此確定了高能電子與質(zhì)子輻照對三結(jié)電池損傷的等效參數(shù)，建立了三結(jié)電池最大輸出功率隨位移損傷劑量的退化方程。在此基礎(chǔ)上，以地球同步軌道服役的太陽電池為例，計算了電池在軌等效位移損傷劑量，并對三結(jié)電池的在軌服役行為進行了評價。

Abstract: In this paper, the damage characteristics were determined firstly by measuring the spectral responses of triple-junction(TJ) GaInP2/GaAs/Ge solar cells. Then the electrical properties of the TJ cells were determined as a function of the fluences under the irradiation of various charged particles, and the equivalent coefficients related to the irradiated displacement- damage were determined. Based on these results, an evolution law of the mass output power was established as a function of the displacement damage dose of the TJ solar cells under the charged particle irradiation. Finally, the displacement damage dose of the TJ solar cells served in GEO was calculated, from which the orbital behaviors of the TJ solar cell could be evaluated.