How Recycling Works
When a lithium-ion battery reaches the end of its life cycle, it becomes ripe for either recovering usable cells and reusing them to construct a 2nd life battery or for recovering high-quality raw materials from non-usable cells. Those raw materials are then reintroduced into the supply chain to manufacture a new lithium phosphate battery, thereby creating a circular economy.
Battery Collection from Multiple Sources
We have a dedicated battery collection center that gets a continuous supply of end-of-life used lithium ion batteries from a network of responsible suppliers.
We minimize risk during this step by ensuring all regulatory standards and safety protocols are meticulously followed.
Battery Packs and Modules Sorting
Lithium-ion batteries come in three basic form factors – cylindrical, prismatic, and flat rectangular shape.
Our process carefully segregates different types of lithium batteries according to form factors and chemistries to prepare them for cell and module testing.
Cell + Module Testing & Sorting
Cells are rigorously tested to help sort useable cells from non-useable cells.
A useable cell still has a good amount of life left in them and can be successfully employed for battery reuse, as 2nd life batteries.
The non-useable cells are sent for material extraction, to extract the maximum amount of rare earth materials from them. These critical materials are now ready to be used for manufacturing new lithium-ion batteries.
The linear model of consumption creates huge quantities of waste. Lohum’s circular economy ensures critical materials from used Li-ion batteries are recycled and reused for multiple lifetimes for enhancing the lifespan of finite resources.
Once cell sorting returns usable cells, they are then analyzed and isolated according to their form factors and chemistries to manufacture 2nd life lithium ion batteries that are used for stationary energy storage, such as Energy Saving Systems (ESS) for residential or commercial purposes and telecom solutions.
The advantages of reuse:
- Portfolio approach – multiple feedstock sources & multiple 2nd life products
- Re-deploy cells & modules into new batteries
- Form factor & chemistry agnostic
- Expansive proprietary database for cell testing
- Multi-year testing & operational data
Extracting rare-earth material from non-useable batteries is an essential part of the lithium-ion battery closed loop structure and effectively fulfilling the key “refurbish, reuse, recycle” circular economy principle.
The process begins with shredding where Battery cells are shredded to separate plastics, copper & aluminum foil from the black mass.
The valuable materials are recovered from Black Mass by our proprietary process flow that can recover more than 95% of high-quality raw materials from the black mass in the form of Cathode (Li, Co, Ni, Mn) and Anode (Graphite).
The advantages of material extraction:
- Closed loop system – no waste generation
- Negligible emissions & lowest heat requirement to reduce energy
- Cell & form factor agnostic
- Full cathode & anode recovery
- Produces black mass & individual sulphates
- 5 Provisional patents
- NABL Accreditation