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Old 03-03-2017, 02:14 PM   #1
SPDSKTR
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Li-Ion? How about Na-Ion?

I believe something was posted about the sodium cathodes a little over a year ago, but here's the update.

https://news.utexas.edu/2017/02/28/g...ery-technology

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A team of engineers led by 94-year-old John Goodenough, professor in the Cockrell School of Engineering at The University of Texas at Austin and co-inventor of the lithium-ion battery, has developed the first all-solid-state battery cells that could lead to safer, faster-charging, longer-lasting rechargeable batteries for handheld mobile devices, electric cars and stationary energy storage.

Goodenough’s latest breakthrough, completed with Cockrell School senior research fellow Maria Helena Braga, is a low-cost all-solid-state battery that is noncombustible and has a long cycle life (battery life) with a high volumetric energy density and fast rates of charge and discharge. The engineers describe their new technology in a recent paper published in the journal Energy & Environmental Science.

“Cost, safety, energy density, rates of charge and discharge and cycle life are critical for battery-driven cars to be more widely adopted. We believe our discovery solves many of the problems that are inherent in today’s batteries,” Goodenough said.

The researchers demonstrated that their new battery cells have at least three times as much energy density as today’s lithium-ion batteries. A battery cell’s energy density gives an electric vehicle its driving range, so a higher energy density means that a car can drive more miles between charges. The UT Austin battery formulation also allows for a greater number of charging and discharging cycles, which equates to longer-lasting batteries, as well as a faster rate of recharge (minutes rather than hours).
TL;DR: Safer, more energy-dense, and faster charging batteries may be right around the corner. Prepare your anus.
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Old 03-03-2017, 02:32 PM   #2
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So you like stuffing batteries up your anus, ehh?
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Old 03-03-2017, 03:00 PM   #3
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So you like stuffing batteries up your anus, ehh?
Who doesn't?
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Old 03-03-2017, 03:24 PM   #4
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I've never heard a more appropriate name for an engineer than "Goodenough".
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Old 03-03-2017, 03:37 PM   #5
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Cheaper, faster, lighter, and more efficient? What's not to like?
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Old 03-03-2017, 06:30 PM   #6
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Old 03-06-2017, 10:18 AM   #7
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I'm hoping mass production of these batteries will begin in the near future. What I think is great is the fact they can be charged quickly with no adverse effects. I know the Tesla Super Charger reduces the amount of power being delivered to the battery when it reaches something like 80% of the charge, but having that much juice shoved into the battery at once, regardless of charge cycle, surely can't be good for it.

The possibilities are going to be fantastic. Vehicles with insane ranges (1,000+ miles per charge), phones that can last three days on a single charge, consumer-grade batteries that can be recharged in a couple minutes, and even boats and ships can switch to electric power.

Now that I think about it, this should allow planes to have a type of electric cruise mode as well. Use fuel for takeoff and possibly to recharge the batteries while on longer flights, but it shouldn't require TOO much energy to keep a plane suspended at higher altitudes, no?
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Old 03-06-2017, 10:28 AM   #8
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Old 03-06-2017, 12:44 PM   #9
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I'm hoping mass production of these batteries will begin in the near future. What I think is great is the fact they can be charged quickly with no adverse effects. I know the Tesla Super Charger reduces the amount of power being delivered to the battery when it reaches something like 80% of the charge, but having that much juice shoved into the battery at once, regardless of charge cycle, surely can't be good for it.

The possibilities are going to be fantastic. Vehicles with insane ranges (1,000+ miles per charge), phones that can last three days on a single charge, consumer-grade batteries that can be recharged in a couple minutes, and even boats and ships can switch to electric power.

Now that I think about it, this should allow planes to have a type of electric cruise mode as well. Use fuel for takeoff and possibly to recharge the batteries while on longer flights, but it shouldn't require TOO much energy to keep a plane suspended at higher altitudes, no?
Depends on the size of the treadmill at takeoff.
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Old 03-08-2017, 12:11 PM   #10
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Depends on the size of the treadmill at takeoff.
The treadmill will also be Na-Ion battery powered.
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