TianGong Life Cycle Data Network
Data stock: TianGong_V0.2.0 [ Download ]

Process data set overview page

Data set: NCM direct recycling(DR-B) (00.01.005)

Full name
NCM direct recycling(DR-B)
Location
CN
Reference year
2021
Valid until
Reference flow(s)
Type
Unit process, single operation
Parameterized?
no
LCIA results included?
no
Category
Unit processes / End-of-life treatment / Material recycling
Synonyms
Use advice for data set
The data presented must be normalized to the functional unit of 1 kWh LIBs nominal capacity to ensure comparability across different batteries. Users should carefully consider the methodologies involved in the recycling process, especially the chemical delithiation using potassium persulfate and the subsequent treatments with DMC, NMP, and LiOH, which could have significant methodological implications. Appropriate safety and handling procedures for the chemicals used must be followed, and the operational parameters of the recycling process (such as temperature, pressure, and treatment duration) meticulously recorded to replicate the results.
Data set use approval
General comment
The battery is discharged before disassembly, and the electrolyte volatilized in the comminution process is centrally treated. Then, small particle-size mixtures such as electrode pieces are washed with DMC to remove residual electrolytes.After drying, the active material is separated from the current collector by immersion in n-methyl-2-pyrrolidone (NMP) with ultrasonic-assisted treatment. The obtained mixed suspension is precipitated and dried after centrifugation. According to the particle size difference, the electrode materials are separated from the current collector and diaphragm. The cathode and anode materials are further divided by foam flotation. The filtered cathode material is mixed with LiOH solution and subjected to relithiation at low temperature and low pressure. Afterward, the relithiated cathode material powder was mixed with excess Li2CO3 and thermally annealed in a nitrogen atmosphere to obtain a repaired battery level cathode active material.
LCI Method Principle
LCI Method Approaches
No records found.
Completeness of product model
No statement
Reviews
  • Dependent internal review by
License and access conditions
Copyright
no
License type
Free of charge for all users and uses
Owner of data set
Tiangong LCI Data Working Group
Technical purpose
The DR-B process detailed serves for direct recycling of spent Lithium-Ion Batteries (LIBs), specifically for the recovery of battery-grade cathode active materials. It is applicable to laboratory-scale research aiming to optimize recovery methods for valuable materials from used LIBs. This process helps in reducing waste and recovering critical materials like Nickel, Cobalt, and Manganese (NCM) while conserving the functional integrity of cathode materials.
Input Products
Co-Products
No records found.
Data set version
00.01.005
Time stamp (last saved)
2023-12-18T17:44:44+08:00
Data set format
Compliance systems
No records found.
Tag
Registered in
Registry nameBase URLStatus
GLADhttps://www.globallcadataaccess.org/
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