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Improved High-Performance Energy Storage

Physicists at the University of North Carolina have developed new improvements for high-energy-density capacitors that can store up to seven times as much energy per unity volume as common capacitors. "The amount of energy that a capacitor can store depends on the insulating material in between the metal surfaces, called a dielectric. A polymer called PVDF has interested physicists as a possible high-performance dielectric. It exists in two forms, polarized or unpolarized. In either case, its structure is mostly frozen-in and changes only slightly when a capacitor is charged up. Mixing a second polymer called CTFE with PVDF results in a material with regions that can change their structure, enabling it to store and release unprecedented amounts of energy."

10 of 129 comments (clear)

  1. Coppertops? by Alyred · · Score: 4, Funny

    Well, guess all those AIs in the matrix won't need us any longer. Goodbye, reality!

  2. Great... by Valdez · · Score: 5, Funny
    Now first year EE students are going to actually *die* when they forget their cap is still charged.

    It was bad enough to just get your shiny new needlenose pliers welded together. =/

  3. Re:What I want to know is ... by Anonymous Coward · · Score: 1, Funny

    FTA: 14 ohms at 1KHz, 500mA/Hr, 750mA/Hr

    Let me know if you need information on other topics too, politics, sex, etc.

  4. Re:What I want to know is ... by ScrewMaster · · Score: 3, Funny

    Thanks. Who's the President of the U.S. again? Never can remember. And my girlfriend is having this problem with her ... uh, nevermind about that.

    --
    The higher the technology, the sharper that two-edged sword.
  5. Ultracapacitors? Finally, it's time for by Dachannien · · Score: 2, Funny

    Break out the railguns, baby, it's time for some head shots!

  6. Re:major faux pas in /. description of article by gregoryb · · Score: 2, Funny

    Seriously! When I read the summary, I was really confused. My first thought was "UNC has electricity!?"

  7. What I want to know... by Anonymous Coward · · Score: 1, Funny

    Can this store 1.21 Gigawatts?

  8. Re:What I want to know is ... by MrNaz · · Score: 2, Funny

    Of course, an answer about sex would just *have* to come from a guy called "Vulva".

    --
    I hate printers.
  9. Re:What I want to know is ... by Anonymous Coward · · Score: 1, Funny

    A problem with her GUI?

  10. Re:battery replacements? by Hal_Porter · · Score: 2, Funny

    The one major thing to worry about though is that an item that can charge up incredibly fast, contain a lot of electricity, and store it efficiently, can also discharge rapidly and violently...

    Hmm, very interesting. Perhaps it could be used as a power source for a HANDHELD DEATH RAY!!!!

    --
    echo -e 'global _start\n _start:\n mov eax, 2\n int 80h\n jmp _start' > a.asm; nasm a.asm -f elf; ld a.o -o a;