Currently reading: Porsche plans high-performance batteries and charging network
Silicon anodes to be used in batteries for performance flagships; chargers to offer rates of 350kW-plus
Autocar-Felix-Page
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3 mins read
18 March 2021

Ahead of its annual results conference tomorrow, Porsche has shared details of how it plans to develop a range of high-performance batteries for its top-flight EVs. 

Porsche is investigating the use of silicon, rather than graphite, anodes in battery packs to improve energy density and reduce charging times.

Porsche's first EV, the Taycan, is the first production electric car to use 800V charging architecture, and the company plans to be on the front foot with its next battery innovations, too. 

The first batteries to use the new technology will be reserved for limited-run performance flagships and customer motorsport cars. But the firm said that power units used in its future production cars will "benefit from the technological experience gained". 

These prototype units will be built in Europe, and Porsche said that it will "ensure that there is a completely European production chain for high-performance batteries" going forwards. 

Porsche CEO Oliver Blume described the battery cell as "the combustion chamber of tomorrow," adding: "Our electrified high-performance sports and racing cars place the highest demands on battery technology. To meet these demands, Porsche needs special high-performance cells. Silicon has big potential."

Alongside the battery development programme, Porsche is planning its own fast-charging network "along the most important European major highways and motorways" to complement the existing Ionity infrastucture in which it holds a stake. 

Each station will have between six and 12 chargers, offering charging rates of 350kW "and more". This suggests that Porsche is working on technology that will allow EVs to charge even faster than the Taycan, which is capped at 270kW. 

Unusually, the charging stations will also have a dedicated lounge area with self-service facilities. All chargers will be accessed and operated using a dedicated smartphone app. 

Blume said: "An important prerequisite for electromobility is fast and convenient charging. That's why we are currently working on the details of a concept for our own fast-charging stations. 

"We will select attractive locations for these in order to offer our customers the most comfortable and fastest long-distance travel experience possible."

Both projects were announced alongside Porsche's unveiling of a plan to go CO2-neutral "across the entire value chain" as soon as 2030.

The company's Leipzig, Weissach and Zuffenhausen production facilities in Germany are already CO2-neutral, thanks to the use of renewable energy and biogas, but Porsche will now work with its battery suppliers to ensure sustainability throughout the entire production process. 

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It will also invest €1 billion (£860 million) in the installation of wind turbines, solar panels and other sustainable energy providers over the next decade.

"We don't want to buy CO2 certificates from other companies, but we don't want to cause any emissions ourselves," Blume vowed. "Where energy can't be saved, we use electricity from renewable sources."

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Boris9119 18 March 2021

Buy your ICE 911 now!

giulivo 18 March 2021

Same shade of green as the 308? Green seems to be having a comeback. I love it

Peter Cavellini 18 March 2021
giulivo wrote:

Same shade of green as the 308? Green seems to be having a comeback. I love it

Yeah, green is the new black.