Life cycle assessment of grid-connected photovoltaic power generation from crystalline silicon solar modules in China

被引：196

作者：

Hou, Guofu ^{[1
]}

Sun, Honghang ^{[2
]}

Jiang, Ziying ^{[3
]}

Pan, Ziqiang ^{[3
]}

Wang, Yibo ^{[4
]}

Zhang, Xiaodan ^{[1
]}

Zhao, Ying ^{[1
]}

Yao, Qiang ^{[2
]}

机构：

[1] Nankai Univ, Inst Photoelect, Tianjin 300071, Peoples R China

[2] Tsinghua Univ, Dept Thermal Engn, Beijing 100084, Peoples R China

[3] China Inst Atom Energy, Beijing 102413, Peoples R China

[4] Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China

来源：

APPLIED ENERGY | 2016年 / 164卷

关键词：

Life cycle assessment; Greenhouse gas (GHG) emission; Energy payback time; Grid-connected photovoltaic (PV) power generation; Crystalline silicon (c-Si) solar modules; GREENHOUSE-GAS EMISSIONS; ENERGY PAYBACK; PV SYSTEMS; ELECTRICITY-GENERATION; INDUSTRY; TIME;

D O I：

10.1016/j.apenergy.2015.11.023

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The environmental impacts of grid-connected photovoltaic (PV) power generation from crystalline silicon (c-Si) solar modules in China have been investigated using life cycle assessment (LCA). The life cycle inventory was first analyzed. Then the energy consumption and greenhouse gas (GHG) emission during every process were estimated in detail, and finally the life-cycle value was calculated. The results showed that the energy payback time (T-EPBT) of grid-connected PV power with crystalline silicon solar modules ranges from 1.6 to 2.3 years, while the GHG emissions now range from 60.1 to 87.3 g-CO2,eq/kW h depending on the installation methods. About 84% or even more of the total energy consumption and total GHG emission occupied during the PV manufacturing process. The solar grade silicon (SoG-Si) production is the most energy consuming and GHG-emitting process, which accounts for more than 35% of the total energy consumption and the total GHG emission. The results presented in this study are expected to provide useful information to enact reasonable policies, development targets, as well as subsidies for PV technology in China. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：882 / 890

页数：9

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