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    Basic Information

Technology developed: RECYCLING OF MIXED/ANY CHEMISTRY OF SPENT LITHIUM BASED BATTERIES FOR EXTRACTION OF LITHIUM, NICKEL, (TP19768338247)
Category: Technology Service/Know how
Details of Inventor(s):
Inventor Institution/Organization/Company Department Designation
Pratima Meshram CSIR National Metallurgical Laboratory, Jamshedpur Metal Extraction and Recycling Principal Scientist
Abhilash CSIR National Metallurgical Laboratory, Jamshedpur Metal Extraction and Recycling Principal Scientist
Sanjay Kumar CSIR National Metallurgical Laboratory, Jamshedpur Metal Extraction and Recycling Senior Principal Scientist
Technical Application Area: E-Waste technologies
If 'Other', please specify:
Please give more details of new technical application area:
CSIR-NML's innovative and holistic process provides a close loop sustainable solution to utilizes spent lithium ion batteries (LIBs) of multiple chemistries. Our process (patent applied) is a acid leaching-solvent extraction-precipitation process that can extract the physically separated electrode material into high pure desired battery grade saleable products.
Organization(s):
CSIR National Metallurgical Laboratory (NML) Jamshedpur
Affiliated Ministry: CSIR, Govt. of India
Type of technology development: Indigenous
Does the technology help in replacing any import items currently
procured from outside India?
Yes
Does the technology have export potential? Yes
Category of Technology developed: Immediate Deployment
Stage of Development: Prototype Level
Please describe in detail including the TRL Level:
TRL-5

    Abstract:

Applications: Scope: Ability to accept all chemistries of LIBs(LCO, LCA, NMC, LMO, LFP) Key features: 96-99% pure Individual Element (Li, Co, Mn, Ni, Cu, Al) salts/Material (Graphite) Purity with >85% yield and >90% acid Regeneration Target Audience: WEEE recyclers, dismantlers, battery importers and manufacturers Patent/ IPR/ Certification Status: 202111040164, 202111040165 (Patent Filed)
Advantages: Complete separation among Li, Ni, Co and Mn Batteries Tested: LCO, LCA, LMO, NMC, LFP Variable Feed Metal Concentration: Lithium (2.5-6.5%), Nickel (1.25-28.6%), Manganese (4.5-27%), Cobalt (7-50%), Copper (0.8-5.63%), Aluminium (0.9-8.2%), Iron (0.9-35%), Phosphorus (50ppm-40%) 96-99.9% pure multiple products from electrode material No impurity of Fe, Al and Cu in any critical metal product Aluminium, Copper Powder: 99% Total recycling of reagents with 85% recovery of acid Residual carbon is converted to High Pure Flake Graphite

    Technology Inputs:

Imported Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
NA
Indigenous Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
Leaching setup 2018-19
Filtration setup 2018-19
Sieve Shaker 2020-21
Solvent Extraction Bench Scale Batch Facility 2020-21
Precipitation batch Scale facility 2020-21
Oven 2016-17
Imported Raw Materials:
Raw Materials Year ITC-HS Code
Solvent 2018-19
Indigenous Raw Materials:
Raw Materials Year ITC-HS Code
Sodium Salt 2016-17
Organic Solvent 2018-19
Acid 2018-19
Oxidizing Agent 2017-18
Existing R&D Facilities used:
Facilities Year ITC-HS Code
ICP-OES NA

   Patents & Publications:

Patents:
Filed Patents (No.) Granted Patents (No.) Year
2 0 NA
Publications:
Submitted (No.) Published (No.) Year
0 15 NA

    Commercialization Potential:

Who are the Potential Licensees?
What commercially available products address
the same problem?
Company Product Problem Addressed
Would you like to develop this invention further with
corporate research support?
Would you be interested in participating in cluster based
programs for commercialization research or business
planning for your invention?
      Submitted by: Abhilash Abhilash Date of Submission: 7-9-2021



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