Black mass
AssessTechniques
A mixture of shredded battery materials produced during battery recycling.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by research breakthroughs, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 8Hacker News·7/14/2026breakthroughJapan develops lithium recovery method for used EV batteries
Researchers in Japan have developed a recycling method that can recover up to 90% of lithium from used EV batteries. The process reportedly uses recovered lithium hydroxide in place of sodium hydroxide and may reduce carbon emissions by about 40% compared with conventional recycling.