cf596b4a-af09-4dcb-9dfc-7b48a95c0e73 End-of-life ternary lithium batteries Advanced hydrometallurgy process 废旧NCM电池先进的湿法冶金术 Unit processes End-of-life treatment Material recycling Before adopting the wet process for material recovery, the EoL ternary lithium batteries are safely discharged, disassembled, pyrolyzed, mechanically crushed, and sorted to get powdered lithium-containing waste. Lithium-containing material is added to leaching solvent for leaching, filtered and separated to get lithium-containing solution, added to the purification agent for reaction, filtered, concentrated, and under certain reaction conditions, added to the precipitation agent fully reacted to crystallization and precipitation, filtered, washed and dried to get battery-grade lithium carbonate.Translated with DeepL 采用湿法工艺进行材料回收前，对废旧三元锂电池进行安全放电、拆分、热解、机械破碎，分选得到粉末状含锂废料。 含锂物料加入浸出溶剂进行浸出，过滤分离得到含锂溶液，加入净化剂进行反应后，过滤，浓缩，在一定的反应条件下，加入沉淀剂充分反应后结晶沉淀，经过滤、洗涤、干燥后得到电池级碳酸锂。 using 1 kWh as the functionalunit 0 2020 Leaching: During the leaching process, the solid-liquid ratio of the selected electrode materials for smelting and the leaching solution should be controlled within the appropriate range, and should be stirred evenly and reacted adequately.Impurity removal: The impurity removal process should be based on the premise of not introducing excess impurities, combined with precipitation and extraction methods to ensure that the impurity elements are reasonably removed, and reduce the loss of nickel, cobalt, manganese, lithium and other elements.Purification: Should be purified according to the characteristics of metal elements, select the appropriate extractant, under certain extraction conditions, after multiple extraction, to obtain a high-purity target metal solution, such as nickel, cobalt, manganese solution or lithium solution.Material synthesis: Material synthesis is the process of converting metal purification liquid into positive electrode materials, precursors and other battery materials. The products synthesized by the material should meet the national standards or industry standards of the relevant products, nickel diamond lithium manganese oxide should meet the requirements of YS/T798, nickel cobalt manganese hydroxide should meet the requirements of GB/T26300. 浸出：浸出过程，冶炼用精选电极材料和浸出溶液的固液比宜控制在合适范围内,应搅拌均匀、反应充分。除杂：除杂过程,应以不引人多余杂质为前提,结合沉淀除杂和萃取除杂的方法,确保杂质元素得到合理去除,减少镍、钴、锰、锂等元素流失。提纯：应根据金属元素特性进行提纯,选用适当的萃取剂,在一定的萃取条件下，经多次萃取，获得高纯度的目标金属溶液，如含镍、钴、锰溶液或锂溶液。材料合成：材料合成将金属纯化液转化为正极材料、前驱体等电池材料的过程。材料合成的产品应符合相关产品的国家标准或行业标准，镍钻锰酸锂应符合YS/T798的要求，镍钴锰氢氧化物应符合GB/T26300的要求。 The advanced hydrometallurgy process for ternary lithium batteries described is utilized in the recycling of end-of-life (EoL) battery materials. Specifically, it is used to recover high-purity lithium carbonate, which is a critical component in the manufacture of new battery cells for consumer electronics, electric vehicles, and energy storage systems. 此描述的三元锂电池湿法冶金工艺主要用于回收废旧电池材料。具体来说，它被用于回收高纯度碳酸锂，这是制造消费电子产品、电动车以及能源存储系统新电池电芯的关键组成部分。 R6I4b7Zh1orGJFxGxiUc6W5Encd.png Unit process, single operation None 无 None 无 None 无 The data come from multiple papers and are difficult to distinguish. 数据来自多篇论文，难以区分。 None 无 calculation basis is GEB2016 (12.0 × 1024 sej) 计算基础为 GEB2016 (12.0 × 1024 sej) None 无 Wang, Y. et al. Environmental impact assessment of second life and recycling for LiFePO4 power batteries in China. Journal of Environmental Management 314, 115083 (2022). Wang, Y. et al. Environmental impact assessment of second life and recycling for LiFePO4 power batteries in China. Journal of Environmental Management 314, 115083 (2022). Users should apply this data set considering the specific end-of-life scenario for ternary lithium batteries, taking into account the energy consumption expressed in GEB2016 (12.0 × 1024 sej) per 1 kWh of battery output. The data should be used to model the environmental impacts of the hydrometallurgy process accurately. It is important to consider the completeness of the data from various papers and ensure methodological alignment with the functional unit of 1 kWh during the life cycle assessment. 用户在应用本数据集时，应考虑三元锂电池的特定报废场景，并考虑以GEB2016 (12.0 × 1024 sej)为能量消耗单位，每1 kWh电池产出作为计算基础。应使用这些数据精确模拟湿法冶金工艺的环境影响。需要考虑来自不同论文的数据完整性，并确保在生命周期评估过程中与1 kWh功能单元的方法论一致。 Inventory: The internal review was done by several iteration steps concerning raw data validation, raw data documentation, representativity, completeness and consistency of modelling with regard to ISO 14040 and 14044. 清单： 内部审查通过几个迭代步骤完成，涉及原始数据验证、原始数据记录、代表性、完整性、与 ISO 14040 和 14044 有关的建模的一致性。 Tiangong LCI Data Working Group 天工LCI数据工作小组 Pengfei, pengfei24@email.ncu.edu.cn 彭菲, pengfei24@email.ncu.edu.cn pengfei24@email.ncu.edu.cn pengfei24@email.ncu.edu.cn 2024-04-11T16:03:37+08:00 2024-04-20T14:28:29.905012+08:00 00.01.005 https://lcadata.tiangong.world/showProcess.xhtml?uuid=cf596b4a-af09-4dcb-9dfc-7b48a95c0e73&version=01.00.000&stock=TianGong Tiangong LCI Data Working Group 天工LCI数据工作小组 false Free of charge for all users and uses EoL NCM battery Input 3.6 3.6 Sodium carbonate（95%） Input 1.43 1.43 Soda (Na2CO3) 苏打 (Na2CO3) Citric Acid Input 16.7 16.7 Citric acid，New process based on GREET/CN 柠檬酸，基于GREET/CN的新工艺 sodium hydroxide Input 2.08 2.08 Electricity Input 4.58 4.58 Carbon dioxide (fossil) Input 0.16 0.16 The original text does not distinguish between bio and fossil, and according to experts, it is fossil here 原文未区分bio和fossil，根据专家判断此处为fossil natural gas,natural gas Input 11.79 11.79 natural gas,natural gas Input 11.79 11.79 nickel Output 0.95 0.95 manganese Output 0.3 0.3 Lithium carbonate Output 0.98 0.98 cobalt Output 0.32 0.32 copper Output 1.01 1.01 aluminium Output 0.8 0.8