Mechanical Energy Storage

Magnetic control of lithium enables a safe, explosion-free ‘dream battery’

A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.

SourcePohang University of Science & Technology (POSTECH)·JournalEnergy & Environmental Science·DateDec 21, 2025

Researchers achieve historic milestone in energy capacity of supercapacitors

Scientists have developed a new supercapacitor with a carbon nano-onion core structure, achieving the highest level of energy storage ever recorded. This breakthrough could lead to significantly lighter and faster-charging energy storage devices.

SourceUniversity of Texas at El Paso·JournalScientific Reports·DateJul 18, 2023

How ballistic trap-jaw ants prevent self-destruction with perfect mandible arc

Researchers discovered that trap-jaw ants use a combination of head tendon and exoskeleton energy storage to drive perfectly circular mandible rotations. This mechanism allows the ants to repeatedly strike victims without damaging themselves.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·TypeExperimental study·DateJul 21, 2022

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Scientists show how to store liquid fuels in polymeric gels to prevent explosions and fires

Researchers have successfully stored liquid fuels like ethanol in polymeric gels, drastically reducing evaporation rates and flammable gas mixtures. The development of this method aims to create safer work environments in industries that use liquid fuels.

SourceShibaura Institute of Technology·JournalChemical Engineering Journal·TypeExperimental study·DateMay 11, 2022

High-energy shape memory polymer could someday help robots flex their muscles

Researchers have developed a shape memory polymer that can store up to 17.9 J/g energy, allowing it to lift objects 5,000 times its own weight upon heating. The polymer's high energy density and low cost make it an ideal material for soft robotics, smart biomedical devices, and deployable space structures.

SourceAmerican Chemical Society·JournalACS Central Science·DateSep 8, 2021

Diamonds shine in energy storage solution

QUT researchers have designed a new carbon nanostructure made from diamond nanothreads that can store mechanical energy when twisted or stretched. The structure has an energy density 4-5 orders higher than conventional steel springs and up to 3 times compared to Li-ion batteries.

SourceQueensland University of Technology·JournalNature Communications·DateApr 20, 2020