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Posted (edited)

Debutta la berlina EV da 5 metri disegnata da Egger, con le nuove "blade-battery" LFP Litio-Ferro-Fosfato.

 

Cita

La BYD ha svelato le prime immagini ufficiali della Han EV, una berlina elettrica che sarà commercializzata in Cina già dal mese prossimo, ma sono già confermati i piani per il suo arrivo anche nel Vecchio Continente, con un prezzo di listino compreso tra 45.000 e 55.000 euro.

 

https://www.quattroruote.it/news/nuovi-modelli/2020/05/13/byd_han_ev_dalla_cina_una_berlina_elettrica_per_l_europa.html

 

Al contrario di quel poco che dice QR, molti numeri sono già noti:

 

Cita

BYD Han (汉) BEV what to expect:

 
  • long range of some up to 605 km (376 miles) NEDC
  • Reportedly two battery options:
    65 kWh battery for 506 km (314 miles) NEDC with FWD powertrain
    77 kWh battery for 605 km (376 miles) NEDC with FWD powertrain and 550 km (342 miles miles) NEDC with AWD powertrain
  • Blade Battery - lithium-iron-phosphate (LFP) cells in cell-to-pack (CTP) version
  • 0-100 km/h (62 mph) in 3.9 seconds
  • two powertrain options for BEV:
    FWD (163 kW)
    AWD (163 kW front + 200 kW rear)
  • highly efficient silicon carbide MOSFET power electronics (inverter)
  • DC fast charging from 30 to 80% in 25 minutes, 10 minutes of recharge for up to 135 km (84 miles) of range
  • drag coefficient of 0.233
  • Length 4,980 mm, Width 1,910 mm, Height 1,495 mm, Wheelbase 2,920 mm

 

Articolo ben più completo con foto: https://insideevs.com/news/423007/byd-han-coming-to-europe-pricing/

 

Un articolo di maggior dettaglio sulle Blade Battery:  https://insideevs.com/news/406839/byd-blade-battery/

 

byd-han.jpg

 

byd-han.jpgbyd-han.jpg

 

 

byd-han.jpg

 

Edited by Maxwell61
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Interessante la batteria, molto meno entusiasmante il resto dell'auto, anche se tutto sommato esteticamente piacevole.

 

Comunque, su molte auto elettriche, trovo poco sensate le prestazioni da supercar, su mezzi che di fatto non lo sono e che superano le 2 tonnellate.

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Posted (edited)

L' auto non mi sembra male, ma sopratutto è un'opzione reale in arrivo. Dal maggior costruttore auto cinese BYD, che vale in borsa quanto il gruppo Hyundai e più di Ford, FCA e altri maggiori.

 

Le batterie LFP sono molto interessanti per moltissimi motivi, e sono senza cobalto, e questa è la versione BYD.

L'altro costruttore di LFP è CATL, e le sue LFP prismatiche andranno a breve sulle Model 3/Y costruite a Shangai. Ma per questione di soldi, vengono a costare un 20-25% in meno:

 

https://insideevs.com/news/399334/tesla-buy-catl-cobalt-free-cells/

https://cleantechnica.com/2020/02/19/catl-built-tesla-model-3-battery-pack-will-use-prismatic-cells/

https://cleantechnica.com/2020/02/18/how-catl-lithium-iron-phosphate-batteries-could-be-leading-to-100-kwh-tesla-model-3/

 

Il problema delle LFP è la bassa densità di energia e la lentezza di ricarica. Non si sa come BYD, che produce da se le sue batterie, come e se abbia risolto.  Un buon articolo sul problema:

 

https://cntechpost.com/2020/02/17/is-the-energy-density-byds-blade-battery-lower-than-competors/

 

Cita

The so-called "blade battery" finally surfaced.

Recently, the official website of the Ministry of Industry and Information Technology announced the latest batch of new energy vehicle promotion catalogs (hereinafter referred to as "catalogs").

 

Among them, BYD 7009BEV1 pure electric cars produced by BYD Automotive Industry Co., Ltd. are among them. This car is the first BYD Han EV pure electric car equipped with a "blade battery".

Earlier, during the China Electric Vehicles Hundred Talents Forum (2020), BYD Chairman Wang Chuanfu revealed that BYD "Han" will be the world's first model equipped with a "blade battery", which is expected to be launched in June this year.

According to the catalog, according to different configurations, Han EV models provide two endurance versions, single-motor and dual-motor. The dual-motor version has a maximum NEDC operating mode of 605 kilometers, and its applicable battery system energy density is 140Wh/kg.

 

This value is slightly lower than the highest package energy density of NCM811 (high nickel battery) released by Contemporary Amperex Technology (CATL) and put into production last year, reaching 180Wh/kg, and lower than mainstream overseas battery manufacturers such as LG Chem and Panasonic The highest system energy density of the main product is 150 ~ 180Wh/kg.

 

For a long time, BYD's new energy vehicles have self-sufficient power battery supply, so its battery shipments have been overtaken by CATL. In 2018, CATL's battery shipments were twice that of BYD. At present, the gap between the two is widening. As a result, the "blade battery" is expected to become an important weapon for BYD to surpass competitors.

 

According to BYD's official information and related patents, the so-called blade battery is actually a large battery cell longer than 0.6m developed by BYD, which is arranged together in an array and inserted into the battery pack like a "blade" A kind of battery design process, so named "blade battery".

Wang Chuanfu once revealed that the new generation of "blade battery" by flattening the battery cells can not only increase the energy density per unit volume by 50% compared to traditional iron-lithium batteries, but also enable the battery life of the vehicle to reach 1.2 million kilometers in 8 years.

 

Above, and plan to increase the unit energy density to 180Wh/kg and system energy density to 160Wh/kg in the next two years, thereby reducing unit production costs by 30%.

 

"Blade batteries" are under controversy. Judging from the current energy density data, compared with the combination of the "NCM811" battery pack and CTP (cells directly integrated into the battery pack) technology promoted by companies such as CATL, blade battery values have certain differences.

Does this mean that the "blade battery" once circulated in the industry is not as good as the competition?

 

Yu Qingjiao, secretary general of the Zhongguancun New Battery Technology Innovation Alliance, told First Financial and Economics reporter that this needs to be considered from the different technical methods of the two companies.

 

At present, most mainstream battery factories use "ternary lithium batteries", while BYD's " "Blade battery" is a lithium iron phosphate battery. The two materials are completely different and have different characteristics.

 

Yu Qingjiao said that, in general, lithium phosphate batteries were used more frequently in the initial stage of electric vehicle promotion, which has characteristics such as lower cost and longer life, and because lithium phosphate batteries have higher runaway temperatures, they are safe at the material level. Higher performance.

At present, it is mainly used in commercial vehicles with more complicated environments; ternary lithium batteries have advantages in energy density. In addition, Japanese and South Korean power battery companies have been competing for the Chinese market in recent years, which has also increased the pressure on domestic power battery companies. Efforts to remedy one's own disadvantages are continuing between the two different technological lines.

 

According to data from the China Chemical and Physical Power Industry Association, the current domestic quotation for ternary lithium battery cells is about 0.9 yuan/Wh, and lithium iron phosphate batteries are about 0.7 yuan/Wh.

 

According to the power battery market research agency SNEResearch, Data show that LG Chem and SKI have a cost per square kilowatt-hour of about 10% lower than the cost of a Chinese domestic company.

 

To this end, CATL launched CTP (cells directly integrated into the battery pack) technology at the Frankfurt Auto Show 2019, eliminating the need for module assembly. The goal is to increase energy density by 10% to 15% and reduce costs by approximately 30%.

 

Automotive industry analyst Zhang Qiang believes that in the current market context of significantly subsidized subsidies, cost has naturally become a topic that must be considered by major auto companies.

They can increase the value of their products by reducing battery production costs and increasing energy density and range. Approach.

 

According to the goals given by BYD and CATL companies, both have given the goal of reducing costs by 30%, and the value of BYD's blade batteries is to increase the mileage of cars equipped with lithium iron phosphate batteries to the same extent as ternary lithium batteries.

 

The level of competition, and this mainly depends on the battery pack design through flat blades, so that more battery packs can be inserted into the battery pack.

Regarding the dispute over the above-mentioned energy density, General Manager Zhao Changjiang of BYD Sales Company posted on his social networking site that the GCTP (cell-to-battery) technology adopted by the blade battery improves the inheritance efficiency, and the technology eliminates multiple software and hardware processes.

Therefore, the cost savings can be made more optimistic, which may also lead to a further increase in the price-performance ratio of Han EV.

However, Zhang Qiang also believes that for blade batteries, in addition to the test of energy density, there is no mature case for reference in product design and safety.

 

In addition, the current operating temperature range of lithium iron phosphate batteries is low, for example, the low temperature limit is only minus 20 degrees, which means that in winter in the northern region, the scope of application of this car is strictly limited. A car operating in a complex environment like China is a flaw.

 

In addition, Liu Taigang, deputy minister of GAC New Energy Technology Center, said that at present, whether it is CATL or BYD, there is greater pressure on foreign power battery companies such as the LG Soft Pack 590 module supported by the Volkswagen MEB platform, especially LG Chemical. The technology of the 590 soft package module is more difficult.

 

Taking Aion LX launched by GAC New Energy as an example, its 590 modules can achieve a maximum system energy density of 180 Wh/kg, and the high integration of the module reduces the unit cost. At present, domestic power battery companies have not been able to fully realize it.

 

Liu Taigang believes that both the integrated mode of the blade battery and the CTP of CATL are two different technical methods of highly integrated modules. At present, both technical routes need a way to go.

 

Edited by Maxwell61
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Io avrei evitato quel richiamo a 8C (di altra casa automobilistica), nella “scia della cometa” che va dal parafango anteriore e corre lungo la fiancata con andamento discendente, in tensione.

 

 E non mi si dica che “è la sua firma” che questa cosa della firma dei designer non l’ho mai condivisa (dirò un’eresia, ma anche il parafango posteriore “maltagliato” di Gandini non aveva senso riproporlo dappertutto, trasformandolo da colpo di genio su un paio di modelli a stucchevole reiterazione fine a se stessa)

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ma è imparentata in qualche modo con il pianale PSA?

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Ma egger è finito a disegnare cinesume? 

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"In questo marchio non c'era da cambiare nulla, dovevamo cambiare noi." Harald Wester, 24 Giugno 2015.

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'Sti monitor in plancia mi hanno già stufato. :roll:

Per il resto piacevole.

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I'M IN LOVE!:pippa:

"La 6° marcia, K@zzo!"

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Posted (edited)
Cita

immagine.png.5968b7b2f75b30320a35282837819b77.png

 

Foto del supporto del 32 pollici in plancia. Grazie.

 

#chiedoperunamico

#incasodurto

 

:)

 

 

 

 

 

Edited by AleMcGir
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Posted (edited)

Le ricerche sul miglioramento delle batterie LFP sono state per molti anni finanziate dal governo cinese, e per ottimi motivi.

 

La loro originaria scarsa densità di energia, sparisce come problema in applicazioni come gli autobus (BYD leader e li vende in tutto il mondo), al 95% dotati proprio di questo tipo di batterie, e nell'importantissima applicazione delle batterie stazionarie.

 

https://duckduckgo.com/?q=byd+electric+bus&t=chromentp&atb=v214-1&iar=images&iax=images&ia=images

 

In compenso la durata delle batterie ad elevato numero di cicli, la loro intrinseca sicurezza rispetto al runaway termico, la loro economicità di manifattura, e l'uso di elementi tutti comuni e disponibili (niente nickel nè cobalto) le rende un investimento ottimale  per numerosissime applicazioni dall'impatto economico e ambientale notevole e probabilmente superiore a quello delle auto private. E in questo la Cina sembra leader e lungimirante.

 

Su questa HAN c'è il debutto delle LFP "alte prestazioni" di ultima generazione su un'auto, l'applicazione più difficile per le LFP a causa della densità di energia. Ma sembra che i sussidi cinesi abbiano avuto un certo successo.

 

Tesla Model 3 RWD China con 75 kWh è stata omologata per NEDC 668 km. Questa con 77 kWh per 605 km.

Significa solo un 10% in meno del range dell'EV più efficiente in circolazione, quindi in realtà un risultato pari a quello della maggior parte delle EV in circolazione, ma con batterie parecchio più economiche, sicure e longeve. Questo risultato è notevolissimo. Se confermato, a mio parere potrebbe orientare molte scelte future dell'automotive.

 

A meno che tra una/due settimane al Battery Day il Muskio non se ne esca, come sembra, con un nuovo coniglio dal cappello.

 

https://insideevs.com/news/406839/byd-blade-battery/

 

Test dell'uovo. 

1

Edited by Maxwell61
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