Inventor

LI CHANGDONG

CN91 patents

⚠️ This page may combine multiple inventors who share the name “LI CHANGDONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI CHANGDONG

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD

Apparatus for efficiently pretreating and recycling waste battery

Metal sulfide negative material of sodium ion battery and preparation method thereof

Method for recovering lithium battery slurry and device for recovery of same

Method for purifying nickel-cobalt-manganese leaching solution

Device and method for safe aluminium residue storage

Dustproof safety feeding device for power battery black powder acid leaching and feeding

Method for coating lithium nickel cobalt manganese oxide cathode material

Layered sodium ion battery positive electrode material and preparation method therefor

High-nickel sodium ion positive electrode material and preparation method therefor and battery

Method for extracting lithium from waste lithium battery

Pickling-free recovery process of battery electrode sheet

Preparation method of porous sodium iron phosphate used as sodium ion battery cathode material

Preparation method for and use of lithium silicate-based adsorbent

Rod-shaped sodium ion positive electrode material, preparation method therefor and application thereof

Preparation method for carbon dioxide capture agent, and application thereof

Silicon-carbon composite anode material, and preparation method and use thereof

Method for repairing waste silicon-carbon material and application thereof

Expanded graphite and preparation method therefor

Lithium iron phosphate material and preparation method therefor

Recovery processing method for spent battery electrode plate

Pre-lithiated lithium ion positive electrode material, and preparation method therefor and use thereof

Method for regulating particle size of Prussian white

Method for preparing silicon-carbon composite anode material and use thereof

Battery conveyor belt

Wet process for recovering valuable metals from lithium battery

Method for recycling and treating electrolytic solution of lithium ion battery

Fixing assembly and fixing device

Ultrasonic vibrating screen

Underwater crushing mechanism for aluminum housing battery

Method for preparing graphene-based sodium ion battery negative electrode material

Disassembling mechanism for waste battery module

Orderly differentiated recycling and processing apparatus for waste batteries

Reflux unit and sewage treatment system

Disassembling and discharging device for battery recycling

Preparation method for zinc manganate negative electrode material

Stirring mechanism for extracting lithium from waste liquid of lithium iron phosphate battery

Stirring mechanism for extracting lithium from waste liquid of lithium iron phosphate battery

Preparation method for Prussian blue sodium-ion battery positive electrode material

Method for recycling lithium iron phosphate waste battery

Method for preparing copper-based negative electrode material by using waste battery

Separating mechanism for magnetic foreign matter in sintering slurry of lithium ion battery

Gas absorption box

Method for extracting valuable metal from low-matte nickel converter slag

UNIV CHINA GEOSCIENCES WUHAN

Arrangement apparatus for multiple integrated sensors in deep position of sliding mass and arrangement method

Device for monitoring underwater surface overflow seepage of landslide and monitoring method

Monitoring device for deformation of locked patch crack of rock slope and arrangement method

Unmanned system and method for monitoring lateral deformation of landslide based on inertial measurement

Three-dimensional drainage device suitable for loose filling slope and methods for constructing three-dimensional drainage device

Array-type underwater apparatus and method for monitoring deformation of reservoir landslide

YICHANG BRUNP CONTEMPORARY AMPEREX CO LTD

Preparation method of tin-based lithium cobaltate precursor and use thereof