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MIT's New Battery Model Promises Faster iPhone 18 Charging

10/6/2025

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Summary

Story summary

Massachusetts Institute of Technology (MIT) researchers developed a coupled ion-electron transfer (CIET) model for faster charging and longer-lasting lithium-ion batteries.
The CIET approach synchronizes lithium ion and electron movement, reducing energy barriers.
Apple plans to upgrade battery tech in the iPhone 18, possibly using solid-state cells.
Solid-state batteries offer higher energy density and faster charging; Samsung and Tesla are investing.

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Story summary

Massachusetts Institute of Technology (MIT) researchers developed a coupled ion-electron transfer (CIET) model for faster charging and longer-lasting lithium-ion batteries.
The CIET approach synchronizes lithium ion and electron movement, reducing energy barriers.
Apple plans to upgrade battery tech in the iPhone 18, possibly using solid-state cells.
Solid-state batteries offer higher energy density and faster charging; Samsung and Tesla are investing.