GM's patent application could give new life to aging battery packs
The patent application describes a process of replacing the electrolyte material within the cells by first injecting heated solvents into the cell to remove contaminants such as lithium salts and other polymeric materials on the electrodes. After the solvents have done their job, the cells are filled with fresh electrolyte. The entire process could be done in a short amount of time, leading to the possibility of taking your EV in for service while the rejuvenation takes place. Alternatively, the battery could simply be swapped with an existing refurbished unit and then later refurbished for use in another vehicle. Based on the patent, this refurbishing could be significantly cheaper than replacing packs with new ones, although the pack may not perform quite as well as a brand new one. This would help both GM and consumers, depending upon whether your pack needs replacement under warranty or after. For those of you interested in the full details of the patent, it can be found here.
[Source: GM-Volt via CNET]
- Our favorite reveals from the LA Auto Show
- You can probably get a great deal on a new Fiat
- 2016 Holiday Gift Guide
- Is it time to buy a Pontiac Aztek?
- Fastest-depreciating cars in the United States
- Most and least efficient car companies