Perpetuus Carbon Group to Collaborate with OXIS Energy to Develop Graphene-Enabled Battery Electrode Technology

Cars to Travel 500 Miles on One Charge

Two UK companies, Perpetuus Carbon Group and OXIS Energy are to collaborate on the development of graphene-enabled electrodes for the next generation of lithium sulfur (Li-S) battery technology.

OXIS Energy's patented technology is at the cutting edge of Li-S battery development. Its Li-S batteries are lighter, safer and have a theoretical energy density five times greater than conventional Lithium-Ion batteries.

Using its proprietary plasma technology, Perpetuus is able to insert molecules into layered solids such as graphene (known as intercalation) to the very high levels required for enriched electrode materials. Together with OXIS Energy technology, these advanced electrode materials will deliver the next generation of high performance batteries offering energy densities in the order of 400 watt-hours per kilogramme.

This is significantly higher than current Li-ion batteries can achieve. It is also much more cost effective as it will enable cars to undertake journeys of 400-500 miles on one battery charge.

Commenting on the collaboration, Huw Hampson Jones, CEO of OXIS said, "Perpetuus has a unique ability to produce industrial quantities of the nano engineered electrode materials that will significantly extend the cycle life of Li-S batteries."

John Buckland, Perpetuus CEO, agreed.  He said "There is no doubt that OXIS Li-S technology has the ability to be significantly superior to current Li-ion batteries. I hope this collaboration will pave the way for the UK to be the centre of Li-S battery manufacturing. Perpetuus plasma technology could ensure the UK becomes the manufacturing centre to a vast number of graphene-enabled products over the next few years. In the coming months, we hope to be announcing further collaboration and development agreements with other UK businesses utilising our nano surface engineered graphene materials."

Perpetuus will display OXIS Li-S batteries and Perpetuus graphene/sulphur electrodes at the 2nd Annual Graphene Supply, Application and Commercialisation Conference in Manchester on the 12th/13th June.

For further information contact:

Perpetuus Carbon Group Blytheweigh 020 7138 3204; Tim Blythe, Alex Shilov

OXIS Energy Ltd  Gaenor Howells  +44 (0) 7734051341

About Perpetuus Carbon Group Ltd

For any company to be successful in the commercialisation of graphene materials they need to offer ALL the following features to a customer:

•   Functionalisation by implanting a variety of chemical groups onto and within graphenes to nano surface modify graphene, to a customer's specification.

• Consistent high quality graphenes.

• Commercial quantities with competitive pricing.

• Immediate availability in kilos and quick delivery of tonnes rather than grams.

• An environmentally friendly production process (this will become more relevant as the industry expands).

• Environmental impact studies and life cycle analysis on all outputs and byproducts.

• Comprehensive and reliable characterisation data.

• Manageable, transportable, user friendly. Presented in stacks. (Graphenes as single layers are invisible and cannot be packaged or handled).

Perpetuus offers all the above to its customers. Perpetuus is not aware of any other business in the world that can offer the full range of these goods and services to its customers and therefore believes, that it, a British Company, is the world's leading producer and supplier of high quality nano surfaced engineered graphenes.

About OXIS Energy Ltd

Since it was founded in 2005, OXIS Energy Ltd. has been at the forefront of developing Lithium Sulfur battery technology.

During the first phase the company invested heavily in design and development and is now ready to move into the production of Lithium Sulfur cells for a series of applications. With 19 families of patents, OXIS has been granted 57 patents with another 45 pending.

One of the most important breakthroughs achieved by OXIS relates to safety. One of the problems with Lithium–Ion is its volatility but OXIS now has demonstrable empirical data to demonstrate the safety of its battery technology.Due to the advanced materials being used, the research being undertaken by OXIS requires significant supplier support. OXIS has set up relationships with world leading companies and universities to ensure that new materials and processes are available during development. OXIS has signed a licence agreement with GP Batteries, a major world class manufacturer of primary and rechargeable batteries and the largest consumer battery manufacturer in China. Both parties are working together to augment the commercial production of the OXIS technology for use in commercial applications.

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