摘要
选取磷酸铁锂电池和三元锂电池为研究对象,将生命周期划分为原材料获取、制造、装配、使用和报废回收5个阶段,列出各阶段所需材料与能耗,在SimaPro中建立LCA模型,然后根据其数据库输出生命周期评价清单,采用CML2000评价方法进行影响分类和特征化,再进行归一化和加权处理,完成磷酸铁锂电池和三元锂电池的各阶段生命周期对比。结果表明磷酸铁锂电池对环境影响最大的是使用阶段,占比达到34%;三元锂电池对环境影响最大的是原材料获取阶段,占比达到75.3%;三元锂电池的综合环境影响为磷酸铁锂电池的2.66倍。随着电池容量增大,磷酸铁锂电池的综合环境影响会逐渐超过三元锂电池。
Lithium iron phosphate battery and ternary lithium battery were selected as the research object,the life cycle was divided into five stages:raw material acquisition,manufacturing,assembly,use and scrap recycling,the materials and energy consumption required for each stage were listed,the LCA model was established in SimaPro,and then the life cycle assessment list was output according to the database,and the impact was classified and characterized by the CML2000 evaluation method,and then normalized and weighted to complete the comparison of the life cycle of each stage of lithium iron phosphate battery and ternary lithium battery.The data shows that the greatest environmental impact of lithium iron phosphate batteries is the use stage,the proportion is reached to 34%;The biggest environmental impact of ternary lithium batteries is the raw material acquisition stage,the proportion is reached to 75.3%;The comprehensive environmental impact of ternary lithium battery is 2.66 times that of lithium iron phosphate battery.And with the increase of battery capacity,the environmental impact of lithium iron phosphate battery will gradually exceed that of ternary lithium battery.
作者
杨婷
叶锦炜
YANG Ting;YE Jinwei(School of Transportaion and Navigation,Quanzhou Normal University,Quanzhou 362000,China)
出处
《吉林化工学院学报》
2024年第9期53-61,共9页
Journal of Jilin Institute of Chemical Technology
基金
泉州师范学院一流课程建设项目(HH19040)。
