Chinese lead-acid battery company Shuangdeng Group (Shoto) said it has developed a new carbon fibre-grid battery technology that could be used for start-stop systems.
The battery “completely subverts the traditional lead-acid battery manufacturing process, using carbon fibre mat instead of a lead alloy skeleton”, Shoto said.
According to the company, the carbon fibre mat, which is “woven from high intensity and high modulus carbon fibres with the C of 95%, has the performances of high strength and toughness, good high temperature resistance and excellent corrosion resistance”.
Shoto claimed the lead consumption of the new battery is “less than 15% of the traditional”, which can also promote “cleaner production in the battery industry”.
In addition, Shoto said the static and dynamic charging receiving capability of the carbon fibre-grid battery “is higher than that of the traditional ones by more than 100% and 20%, respectively”.
The company said its work follows “years of painstaking research” by its development team with “guidance from academicians and senior experts”.
However, Shoto’s strategy and marketing supervisor Murcy Ma told BBB the company is not yet ready to embark on commercialisation of the new product.
“Industrialising a new product is a difficult process,” Ma said. “The mainstream products for start-stop systems are AGM and EFB, which increases the difficulty of introducing other types of batteries to the market. We are proceeding slowly.”
Earlier this year, BBB reported that Shoto had established a $40 million investment project aimed at increasing the life of lead-carbon batteries to more than 4,000 cycles at 45° C at 60% depth of discharge.