How to recycle the scrapped lithium battery of mobile phone and computer?

2025-04-07

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Precision dismantling: industrial surgery for miniature batteries


Recycling of miniature lithium batteries requires a special treatment process. The precision disassembly

system is equipped with microscopic visual guidance, which can achieve 0.01 mm precision shell stripping

for button batteries. For cell phone batteries with adhesive sealing structure, -196℃ liquid nitrogen

freezing technology is used to make the adhesive brittle and fall off, ensuring complete separation of

electrode materials. In a recycling workshop, the fully automated production line can process 2,000

pieces of cell phone batteries per hour, and the metal recovery rate has increased to 98.7%.


The safety protection system builds multiple lines of defense. The oxygen content in the explosion-proof

working chamber is controlled below 8%, and the sparks generated by laser cutting are immediately

extinguished by the argon gas curtain. Data from a processing center shows that after the introduction

of microwave discharge detection system, the efficiency of residual power release is increased by 40 times,

completely eliminating the risk of spontaneous combustion of batteries.


Value re-creation: from electronic waste to strategic resources


Consumer electronics lithium batteries contain amazing value density. Each kilogram of cell phone batteries

can be extracted 150 grams of lithium, 32 grams of cobalt, these materials regeneration costs than mineral

mining 58% lower. In a material base, nickel recovered from 2 tons of old laptop batteries is being made

into the core components of energy storage power stations, with performance parameters exceeding

those of virgin materials by 15%.


Recycled materials open up new application scenarios. The catalyst synthesized by a laboratory using

recycled lithium and cobalt oxides shows special advantages in the field of fuel cells; the carbon material

extracted from the graphite anode of old batteries has become a high-end lubricant additive. This value

leap steepens the growth curve of recycling benefits, and the average profit margin of the industry has

increased by 22 percentage points in three years.


Building a cell-level recycling network


Miniature recycling devices have given rise to a distributed processing model. Intelligent recycling bins

are equipped with X-ray fluorescence detection modules, which can automatically identify battery types

and categorize them for storage.


Technological innovation lowers the recycling threshold. Water-soluble binders make dismantling batteries

as simple as making tea, and bioleaching technology allows precious metals to be extracted from kitchen

workstations. The DIY recycling kit developed by a university guides users to safely recycle lithium battery

materials with citric acid, a civilianized solution that is rewriting the industrial ecology.


In the glass window of Tokyo Electronica, an art installation reconstructed from 3,000 old cell phone batteries

continues to generate electricity; a smart street light in Barcelona relies on used lithium batteries put in by

neighboring residents for nighttime illumination. These practices reveal that when technological innovation

resonates with public awareness, every household can become an energy node of the circular economy. 

The lithium batteries hidden in a drawer are no longer an environmental burden, but an energy code

that leads to a sustainable future.