Abstract
Life-Cycle Assessment (LCA) can be used to improve the environmental performance of products throughout their life cycle. With ongoing discussions about system boundaries, appropriate data, and model limitations, LCA methods are in a constant state of evolution. This paper presents the use of a hybrid LCA approach to product environmental assessment in which two methods of analysis are combined to present the total environmental impact for two battery systems. A quantitative model for product assessment has been developed at Carnegie Mellon. The model is based on economic input−output life-cycle analysis (EIO-LCA) and has been explained in previous works. The EIO-LCA tool allows a user to quantify the direct and indirect relationships among industry sectors and the associated environmental burdens through the materials extraction and manufacturing phases. However, to study environmental effects over a product's entire life, use and end-of-life impacts must also be quantified. This is accomplished using th...
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