battery or ultra-/super-capacitor or 2-in1 as ultra-battery

[lancaIV]

2011 : https://cleantechnica.com/2011/05/11/cheaper-ultracapacitors-for-electric-vehicles/


So, even though these supercapacitors initially cost $2,400 to $6,000 per kWh of energy storage, and the lithium ion batteries used for electric vehicles initially cost $500 to $1,000 per kWh, in the long term, supercapacitors may be cheaper or comparable.





2015 :  https://eepower.com/new-industry-products/10000-farad-graphene-supercapacitor/


Tesla recently announced a Super Factory to be built in Nevada, with a promise to get the price of lithium batteries down to $150 USD per kWh by 2020, our current cost estimated for this type of graphene base supercapacitor is about $100 per kWh today and we feel confident we should be able to cut this pricing in half by the end of 2015

2020 :
https://energystorageforum.com/news/sunvault-unveils-1000f-graphene-supercapacitor#:~:text=Monaghan%20compared%20the%20cost%20for,USD%20per%20kWh%20by%202020.


This technology represents a fierce competitor to lithium ion batteries and could potentially replace the lithium batteries in the future. Monaghan compared the cost for this type of graphene supercapacitor at $100 per kWh to Tesla's target price for its batteries that will be produced at its GigaFactory at $150 USD per kWh by 2020.

[skywatcher]

Energy density of supercaps is still much lower than the energy density of Li batteries.

Also the leakage current is much higher. A car powered by supercaps would be without power after only a few weeks.

[lancaIV]

skywatcher,you gives the reazons for the development from the 2-in-1 solution :

a hybrid combination from capacitor advantages and battery advantages

by the australian CSIRO : Ultra(-caps)battery https://en.wikipedia.org/wiki/UltraBattery  at first with lead batteries

When UltraBattery and standard VRLA (used in a partial SoC regime) are compared in experimental conditions, UltraBattery has been shown to achieve about 13 times the capacity turnover of a standard absorbed glass matt VRLA battery.

A lead battery related + argument,is it not ? With other battery kind ,alternatively ?

Many other advantages !



Costs for lead battery charger,lithium battery charger ? total battery set costs per KWh generated/stored ?




Caps with 5-20 Wh/Kg
Batteries with up to 500+ Wh per Kg




But the published prices in the articles are per KWh,not Kg !

And e-storage is not only for cars important !

Kg or volume is then not such important like the storage incorporation in car bodies

Btw : the battery industry is planning " beyond lithium" !

Sincere
OCWL

[lancaIV]

www.kilowattlabs.com
Where such supercapacitors can become alternative to batteries !?
1 000 000 charge cycles !?

Why US20180076644,Waseem Ashraf Qureshi application " abandoned" ?
Better lab results  inventions ?
The publicated shop selling prices 1400€ per KWh  storage are "horrible expensive" compared conventional graphene capacitor or lithium battery based solutions !From selling price view !

Counter-argument :
1400 €/1 000 000 charge cycles a 1 KWh = 0,14 €cent/KWh or 0,0014 €/KWh storage costs


The net production costs from the Kilowattlabs supercapacitor ?The given 1 KWh density weight : 23 Kg


Which is the "conventional supercapacitor"-production/gross selling price per Kg ?
Gross-selling: alibaba example Dongguan City Gonghe Electronics

                          +- 62,5 US$/Kg for 500 thousands charge cycles
                                                       75 Wh storaged energy per Kg

                          +- 850 US$/KWh fob factory

                          In € and per KWh charge cycle same/similar like Kilowattlabs : 0,0014 €/KWh energy

                          by attention : KWL = online seller  shop price versus " Don..."  fob factory gross buy discount price


When 2011 the supercapacitor price range per KWh was 2000-6000 US$ and now +- 100 US$ ,probably 2030 such KWL-type caps for 750-500 US$/KWh (or less  ) available !

For conventional private household,as energy storage,a graphene supercapacitor,with in average 100 000 charge cycles and average 150 US$/KWh endconsumer price would be the breakthrough


100 000 /365 days ~ 274 charge cycles per day /10 years ~ 27 charge cycles per day
                                                                                        20 years ~ 14 charge cycles per day

                                                                                        30 years ~  9 charge cycles per day

Enough !

[lancaIV]

https://translate.google.com/translate?sl=de&tl=en&u=https://www.faz.net/aktuell/wirtschaft/vw-baut-netz-eigener-batteriezellwerke-in-europa-auf-17245765.html


"We are reducing the cost and complexity of the battery and at the same time increasing its range and performance," said Thomas Schmall, Volkswagen's Chief Technology Officer and responsible for battery production. The new standard battery, which will be installed across all brands in up to 80 percent of all electric cars the group by 2030, will reduce costs by up to 50 percent, according to the company. "On average, we will reduce the costs for battery systems to well below 100 euros per kilowatt hour." This will make electric mobility affordable.

Battery system = battery + charger + controler


battery charge cycle number ? 


f.e. 800 - 1000 charge cycles

https://www.linkedin.com/pulse/discussion-quantumscapes-battery-technology-results-tim-holme

https://www.wired.com/story/quantumscape-solid-state-battery/#:~:text=According%20to%20QuantumScape's%20data%2C%20its,which%20is%20nearly%20double%20the

https://www.shanghai-electric.com/group_en/c/2019-07-31/554147.shtml
Long life cycle, batteries still remain 80% of total charge and discharge capacity after 5,000 cycles usage

One partnership (beside other : SKI, LG Chem und CATL,Guoxuan ,QuantumScape) : https://northvolt.com/solutions/#battery-systems