Why solid state rivalling lithium metal batteries haven't worked - until now

Why solid state rivalling lithium metal batteries haven't worked - until now
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#lithiummetalbattery #solidstatebattery #lithium_ion_battery #lithiumbattery #newbatterytech

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[Peoples_Republic_of_Cotati]

What I want to see are solar roof tiles which capture either electricity or heat or both, for storage and distribution; tiles which can be installed by any roofer, will last as long as standard roof tiles, and are about the same cost...safe in any climate.

[jimgraham]

Thanks Sam

I have one of the earliest LiFePO batteries purchased in 2012. Its a 24AH 4S originally designed for golf carts. I use it as a portable power pack for 12-15V as pplications including camping, home lighting, and a host of other outdoor applications. Its had a rough life but still works.very well with no detectable reduction in capacity

[jcfallows]

Hi Sam thinking of you all and praying for your wife's. Recovery. Never give up!
I liked the battery update thank you! Now the whole world is developing battery technology. Its obvious improvements are going to come thick and fast, much faster than the pace of ice technology did over the past 100 years. It's so exciting!

[horsebee]

The interesting thing with extended range is that for most markets it is unnecessary. The fact is that the average private driver, which covers 90% of the market, they drive an average of 37Km per day.
The oil industry has done a great job of making range a far more important factor than it really is.

[ipower]

Battery design has many trade offs. Unfortunately most of the time people only focus on energy density. There is also longevity - both in terms charging cycles and calendar life. Also temperature sensitiviy, and charging / discharging rate. Often, they leave out one of them and only emphasize the one impressive metric.

[SunriseLAW]

Watching this vid now. The Zeekr vid filmed in China (yesterday's vid, watched this morning) was super-great !

[joebullwinkle]

OMG another battery break thru, add that to the 100 announced so far! When we start seeing any new battery tech in an EV from Tesla, Ford, GM. I'll believe it!

[hardi.howdy.]

Just because you say so, its not categorically & completely untrue.
Not 1000 miles but, 1000Km range has been mentioned by many, which would be great.
Better to appreciate it.

[ctuna]

I like the replace the battery when they come out with a better one idea.

[leobreevoort]

The very first li-ion batteries in the 1960s and 1970s were... solid-state batteries with lithium-metal anodes!

Thing is, these were single use and couldn't be recharged. When scientists tried to make them rechargeable, they encountered two problems:
-The seperator/electrolyte had very high internal resistance, so recharging was very slow with high energy losses;
-Part of the lithium-ions didn't nest in the li-metal anode, but formed solid lithium on the surface, called dendrites. These dendrites kept growing with every charge, eventually puncturing the seperator and killing the battery.

The solution they came up with:
-Replace the electrolyte with a liquid, vastly improving conductivity;
-Replace the anode with carbon (graphite). It stores a lot less lithium, but the dendrite problem is mostly gone.

We now see the first semi-solid-state batteries coming to market. These are common cathode / some kind of (Lithiumoxide?) solid electrolyte with a small amount of liquid remaining (for conductivity) / silicon-enriched carbon anode (less stable than pure carbon, stores more lithium, not much dendrites). About 350 to 400 Wh/kg at cell level.
Next step will be all-solid electrolyte, if the conductivity problem can be solved. Which seems to be on the horizon.
Then, change the anode to lithium-metal. Then dendrites need to be contained, but the new solid electrolyte may help. This will push energy density to 500 Wh/kg or so.

The "holy grail" type (700 Wh/kg and over) is the one Toyota is supposed to be working on: lithium-sulphur. Li-S can store the most li-ions of all known materials. Li-S will be the cathode, ceramic electrolyte, pure lithium anode. It is however extremely hard to produce, since water vapor and fine particles in the air will cause deformations, which are the start of dendrites. Rumors say Toyota can make cells, in a glove box that contains a 100% particle free, argon (=inert gas) environment. Not cheap, not scalable.

[fuzzymonkey]

Great video. "10K wh in a gallon of gas." I love hearing stats like that.

[valuemastery]

Yes! A battery break-through! My day is saved 🎉

[theproffessional]

In the long run SSBs will be more energy dense simply because of the way that physics work (solids are denser than liquids)

[frankcoffey]

Even if you only get 50 charge cycles they need to be installed in race cars and other applications for testing. That will allow study of used batteries to see why they degraded.

[Abidance]

Dude, Quantumscape is lithium metal and VW confirmed 95% retention rate after 1, 000 full cycles

[tothimre]

But I think and you should emphasize, that is the ICE cars effectivity is about 20-30% (depends on age and pure burning efficiency not Hybrid!!!) So from that 12, 888.9 Wh/kg actually you use MAX 3, 866.7 Wh/kg to MOVING YOUR CAR!!!! 70% what you buy is becoming HEAT...

[vazwan]

Maybe one day the more we recharge the more indurance we get but its more of a dream

[richardstubbs]

Why aren't the smartphone companies like Apple and Samsung making the breakthroughs in battery technology ?

[docwatson]

I can see that being an attractive proposition for some consumers, the model Ferrari is using. Replacement of current battery with state of the art battery pack eight years in the future.

Could easily morph into "lifetime replacement guarantee".

I can see other niche markets, such as high end electric OHV's, also electric pickups and campers. Lighter weight, and/or better center of gravity, and the range to spend a week exploring gravel back roads on one charge. And set out panels when settled, put back in enough charge to make sure you get off the mountain.

For some, hitting specific performance goals, to make an new activity possible, is worth the cost.

[beautifulgirl]

Recent research points to a striking pattern: Higher home insurance premiums are being charged in U. S. states where regulators apply essentially zero scrutiny to requests for rate increases, justifying inaction by laizze-faire "free market competions", Texas and Oklahoma for example, compared with states where officials question the justifications offered by companies and try to keep rates low, California for example, research shows. In California, which had over 7, 000 wildfires last year, the typical homeowner in many ZIP codes paid premiums as low as .05 percent of home value. By contrast, in most of Texas, Alabama, Oklahoma, and Louisiana (Red-State Legislatures), the average homeowner faced home insurance premiums GREATER than 2 percent of the value of local homes. Glen W. Mulready, Oklahoma’s elected insurance commissioner, has NEVER exercised his power to deny a rate increase requested by an insurance company for home insurance. He said he believed that imaginary "competition, not regulation, was the best way to hold down prices." Clearly that is entirely NOT correct, and he must realize that to be the case. After big losses in appropriately regulated states, such as California, national insurers raise rates in unregulated and loosely regulated states, such as Texas and Oklahoma. Enacting reforms to address the cost of disasters “requires people to accept that climate change is REAL.”