Svolt: More freedom and safety with battery design

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Svolt: More freedom and safety with battery design-freedom

Originally out of the Chinese automobile manufacturer Great Wall Motors outgrowed in 2012, Svolt Energy is becoming increasingly opposing the global electric car battery market. For this, Svolt is entering new partnerships to strengthen their own products. The most recently done with Soteria Battery Innovation Group (Big) whose execution foliage technology is transferred.

Soteria Big is a consortium of over 100 members for battery research, which Svolt has been heard since 2019. The technology of the Soteria Big stops the formation of a thermal Runaway, caused by impurities in the production process or short circuits in the case of an accident. This leads in reversal to the fact that Svolt can dramatically improve the battery security of lithium-ion batteries. Furthermore, the company will receive more design freedoms for batteries and at the same time reduces the risk of recalls for automotive customers.

At the end of 2021, a new product portfolio is planned, which contains the thin metallized foils of Soteria Big, which help to increase the energy density of the batteries, to reduce the weight of the batteries and enable battery cells to continue after heavy damage to use. 5 AH, 10 AH, 20 AH and 60 AH pouch cells and 60 AH prismatic cells for fully electric vehicles are planned.

As part of the partnership announcement, Svotl shows that battery manufacturers of steel housings, battery management systems up to cooling systems various precautions to protect cells against a thermal Runaway. The polymer films metallized on both sides as a deferred film of the Soteria Big, however, act like a hedge inside the battery and already at the level of the cell. As Svolt continues to perform, the separators that are mainly found in the market today are made of polypropylene or polyethylene and are additionally coated in some cases. The new Soteria technology is used on fibers consisting of cellulose and aramid fibers, including a very high thermal resistance. The lithium-ion batteries also work after damage, which may be a central safety factor in critical situations, for example in accidents on the highway or in the future in drones or electric aircraft during a flight, a central security factor.

Sooteria Big, Svolt and the other consortial members have developed a robust certification standard that will raise battery safety to a new level. The certification standard combines newly developed tests and known tests, such as IEC 62660-2, with strict EUCAR requirements. Three excellence centers worldwide should be launched by the consortium of over 100 members for battery research in order to advance the safety-relevant developments in battery production. One of them should in the coming years in the North Rhine-Westphalian Duren, supported by urban economic promotion Win.DN GmbH, arise.

Here, the novel separators and electricity channels will be further developed here as well as optimizations of the manufacturing processes are to be carried out. There are also pilot plants from the end of 2023 or early 2024. The planned plants will be available to the consortium members for test purposes.

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1 thought on “Svolt: More freedom and safety with battery design”

  1. Important for BEV is probably this part.

    At the end of 2021, a new product portfolio is planned to bring the thin metallized foils of Soteria Big, which contribute, increase the energy density of the batteries to reduce the weight of the batteries and make it possible to use battery cells even after heavy damage.

    This should enlarge the advantages over FCEV.

    Reply

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