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Image gallery: Structural batteries, hub motors, do-it-yourself Li-ion pouches mark Detroit-area Battery Show

September 18, 2018 By Lee Teschler 1 Comment

No, it’s not a massive coin cell

Though it looks like a stack of wildly oversized coin cells, Rolled-Ribbon battery modules Rolled batteryactually have an internal make-up that differs dramatically from that of coin cells. Devised by Rolled-Ribbon Battery Co. in Austin, Tex., they are Li-ion cells whose internal components consist of ribbon-like material wound in a way analogous to that of cylindrical cells, but with a flattish form factor. This gives each cell a big surface area from which to disperse heat. Individual cells then get stacked to create a module. Besides good heat dissipation, the benefits include no need for welding the individual cells together, and a construction method that permits disassembling and servicing the modules. Cells are a little over an inch-thick at most and measure about 6.5-in. in diameter. A 48-V module can deliver about 28 A continuously.
NEXT PAGE: A venting valve – just the thing to prevent a lithium battery explosion

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Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11

Filed Under: batteries, Featured Tagged With: benzing, capebouvardtechnolgoies, chromasystemssolutions, cleanwavetechnologies, lineartechnologyinc, lionsmart, mahle, odawaraautomation, protean, rolled-ribbon

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Comments

  1. Thomas Mezger says

    September 18, 2018 at 1:28 pm

    The cells can be assembled into a number of series and parallel configurations resulting in a wide variety of voltage and amperage as necessary. For full details, go to the Rolled-Ribbon Battery Company website http://www.rolled-ribbon.com

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