【作者】 王辉东； 刘玉敏； 杨康； 马玉刚； 杨东； 张为天； 马克岩； 王莹； 宗子诏； 陆景彬；

【Author】 WANG Hui-dong,LIU Yu-min,YANG Kang,MA Yu-gang, YANG Dong,ZHANG Wei-tian,MA Ke-yan,WANG Ying, ZHONG Zi-zhao,LU Jing-bin (College of physics,Jilin University,Changchun of Jilin Prov.130012,China)

【机构】 吉林大学物理学院；

【摘要】 β粒子在β辐射伏特核电池中的粒子输运是设计、优化该电池的重要依据之一,本文采用蒙特卡罗方法,模拟分析了β粒子在辐射伏特核电池中的粒子输运,主要为:三种β源的自吸收(表面活度与厚度的关系);单能电子(模拟β射线)在器件表面反射率与能量和入射角的关系;单能电子及薄片β源在换能器件中能量沉积与深度的关系。得到不同β源和不同器件材料组成的β辐射伏特核电池的理论能量沉积效率及能量损失分布。更多还原

【Abstract】 The transportation of β Particle plays a key role in the designation of the Beta-voltaic Battery.The Monte Carlo method is used to simulate the β Particle transportation in Beta-voltaic Battery,including:the self-absorption of three kinds of β sources(i.e.the relationship between the surface activity and the thickness of the source),the dependence of the reflection rate on the device surface with the energy and the injection angle in the case of single energy β Particle, the relationship between the energy deposition and the depth in the energy transform materials in both cases of single energy β Particles and thin slice β source.Based on these simulations,the energy transform rate and the energy loss distribution are estimated for several kinds of β sources and energy transform materials.更多还原