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Solid State Battery Development

28th November 2011

Ilika plc announces that it has recently delivered a presentation to the 52nd Battery Symposium in Tokyo on its work to develop innovative new materials for lithium-ion batteries for use in next generation electric vehicles and plug-in hybrid electric vehicles. 

The presentation was delivered by Professor Brian Hayden, Chief Scientific Officer of Ilika and his colleagues, in conjunction with Toyota Motor Corp, and was entitled “High throughput methods to accelerate the discovery and optimization of materials for lithium-ion batteries”. 

Ilika has been working with Toyota since February 2008 on the development of solid state electrolytes, one of the most important components of an all solid battery. The key to successful solid state battery development is to find a stable electrolyte with high enough conductivity and in the presentation Ilika demonstrated how their high throughput methods have produced very high quality electrolytes with substantially higher conductivity than had previously been observed. 

The data published at this conference has been underpinned by patent applications jointly held by Ilika and Toyota. 

The use of solid state electrolytes in batteries will help to reduce battery size, allow rapid charge/discharge rates (allowing motorists to recharge their vehicles in a matter of minutes rather than hours) and increase the length of the battery’s life. 

It is estimated that the market for Lithium-ion batteries is expected to grow from its current level of $8 billion per annum to $32 billion per annum by 2018 (source: Takeshita, 26th International Battery Meeting, Florida, 2009) with the fastest growing segment of this market is expected to be for electric and hybrid vehicles. 

Ilika has been recognised as a leader in this area and has since been engaged on a number of research projects with Japanese companies to develop innovative new materials for lithium-ion batteries. 

Commenting, Graeme Purdy, Chief Executive of Ilika, said: “We believe that the clear benefits of solid state batteries including higher energy densities, faster charge rates and increased safety make them strong candidates for the next generation of lithium-ion batteries. We are working with a number of leading Japanese battery manufacturers in this field who share this vision”

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