from Hacker News

Solid-state battery with 100x energy density could be used in Apple devices

by ricc on 6/18/24, 3:33 PM with 12 comments

  • by tomxor on 6/18/24, 4:22 PM

    Factually incorrect title, should be changed to "up to 2x" since the implicit comparison is to existing lithium-ion batteries used in the devices, not the far lower energy dense existing solid state batteries that the 100x applies to.

    Article is also pretty worthless because it also implies that's the actual factor of improvement.

    > which offers the prospect of charging a MacBook once a month

  • by MisterBastahrd on 6/18/24, 4:07 PM

    https://arstechnica.com/gadgets/2024/06/tdk-claims-insane-en...

    Was posted here just yesterday and is a far better article.

  • by allears on 6/18/24, 3:50 PM

    That's 100X compared to TDK's previous product, which had already been far surpassed by competitors.

  • by bangaladore on 6/18/24, 4:18 PM

    The article title from the source is completely wrong. The 100x is comparing TDK's previous (best?) solid-state battery to a new one they claim to have developed.

    Most batteries found in laptops can be found in 200-600 Wh/L depending on the exact chemistry. TDK is claiming 1000 Wh/L

  • by tmaly on 6/18/24, 8:31 PM

    I recently upgraded my iPhone 13 pro to iPhone 15 pro and the battery on the new phone seems to have degraded performance.

    I would love to see any improvement on this front.

  • by kristiandupont on 6/18/24, 4:17 PM

    The benefit to this is obvious but what is the risk? If a battery is punctured in a present-day phone, it can ignite in a pretty dangerous way.