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New Active Materials for Lithium Batteries - Some Examples 

Jerry Barker has invented several new classes of electroactive materials. Please follow the hyperlinks below to find more information below some of these materials.

Li3M2(PO4)3 Active Materials

Silicophosphate Active Materials

LiMPO4F Active Materials

LiMPO4.OH Active Materials

LiFe(M)PO4 Active Materials

Li2MPO4F Active Materials

Na2MPO4F Active Materials

Na3M2(PO4)2F3 Active Materials

Sulfate Active Materials

Li2MTiO4 Active Materials

LiMTiO4 Active Materials

LixMoO2 Active Materials

Surface-Stabilized LiMn2O4

Li2CuO2 Active Material







Background Information 

The development of advanced materials in electrochemistry may be described as an enabling technology. These novel materials will help revolutionize the performance characteristics of electrochemical applications such as lithium ion batteries, photovoltaics devices, electrochromic displays, electro-optic devices and many others. The development of these advanced materials requires a highly technical background and relevant experience, but most significantly relies on an innovative approach. 

Jerry Barker has a proven track record of new material innovation. Not only is he the named inventor on several high profile patents covering advanced materials, but he is also widely acknowledged as a world leader in the development of advanced electrode materials for lithium-ion applications. Let our organization assist you to create and protect your own advanced materials program.

Lithium-ion battery materials may serve as an example of the impact of advanced materials. Until recently only a limited number of cathode-active materials for lithium ion batteries have been commercially available – i.e. those based on cobalt, nickel and manganese oxides.  The commercial application of lithium cobalt oxide has been particularly successful. However, these oxide-based materials have some distinct and important disadvantages – for example, high cost, toxicity, safety concerns and limited specific capacity – thus creating a requirement for alternative and improved electroactive materials.

Recently, polyanion-based cathode materials (e.g. phosphates, fluorophosphates, sulfates, fluorosulfates etc.) have been proposed for incorporation as electrode materials in lithium ion batteries.  These new materials have some significant advantages over their oxide-based counterparts. It is expected that these polyanion compounds will be a commercial reality in the near future, enabling production of the 'next generation’ of lithium ion batteries.  Dr. Barker has been actively involved at the forefront of this work for many years and is considered to be a pioneer of phosphate and polyanion-based electroactive materials for the battery industry. More specifically he is the named inventor on several high profile US and European patents (both issued and pending) describing the properties of these next generation materials. For more information on these issued patents please view our Patents and Intellectual Property page.

The discovery of the polyanion type materials has clearly demonstrated the impact of novel electroactive materials.  We at Jerry Barker Consultants are of little doubt that other novel electroactive materials will soon be discovered and believe strongly that these new compounds may help revolutionize current  lithium ion technology.  This creative process will mean the next generation of lithium ion technology is a reality, providing batteries with unrivalled cost and performance. Clearly Dr. Barker has a wealth of knowledge and expertise in this area and as an organization, we are ready and able to assist you in the search and development of these enabling materials.

Advanced Active Materials for Battery Applications - IP

The discovery of novel advanced materials is considered the key to improving the performance of electrochemical systems. For example, the discovery and development of new electrode materials will significantly enhance the energy density, power capability and safety characteristics of lithium-ion batteries. In addition problems associated with developing scalable manufacturing methods for these materials will also need to be addressed.

Below is a brief summary of the different active materials in which Jerry Barker is either sole inventor or co-inventor. In each case, an example issued US patent or US patent application is included.

LiFe1-xMxPO4 Substituted Olivines (M = Mg, Ca, Zn etc.) US 6884544

Li3M2(PO4)3 Nasicons (M = Fe, V, Mn etc.) US 5871866

LiMPO4F Fluorophosphates (M = Fe, V, Mn etc.) US 6387568

LiMPO4.OH Hydroxy-phosphates (M = Fe, V, Mn etc.) US 6777132

Li2MP2O7 Dilithium diphosphates (M = Fe, Mn, Co, Ni etc.) US 7008566

Li3M(SO4)3 Lithium sulfates (M = Fe, V, Mn etc.) US 5908716

LiMSO4F Lithium Fluorosulfates (M = Fe, Mn, Co, Ni etc.) US 2005/0163699

NaMSO4F Sodium Fluorosulfates (M = Fe, Mn, Co, Ni etc.) US 2005/0163699

Li2MPO4F Lithium Fluorophosphates (M = Fe, Mn, Co, Ni etc.) US 6890686

Na2MPO4F Sodium Fluorophosphates (M = Fe, Mn, Co, Ni etc.) US 6890686

Li4M2(SiO4)(PO4)2 Silicophosphates (M = Fe, V, Mn etc.) US 6136472

Li3M1.5Al0.5(PO4)3 Substituted Nasicons (M = Fe, V, Mn etc.) US 5871866

β-LiVOPO4 Vanadyl Phosphate US 6645452 (method-of-making)

NaMPO4F Sodium Fluorophosphates (M = Fe, V, Mn etc.) US 6872492

Na3M2(PO4)2F3 Sodium Fluorophosphates (M = Fe, V, Mn etc.) US 6872492

LiMTiO4, LiMZrO4 Titanates, Zirconates (M = Fe, V, Mn etc.) US 6720112

Li2MTiO4, Li2MZrO4 Titanates, Zirconates (M = Fe, Mn, Co, Ni etc.) US 6103419

Li2CuO2 Lithium Copper Oxide US 5670277

LixMoO2 Lithium Molybdenum Oxides US 6908710

LiV2O5 Lithium Vanadium Oxide

Novel Phase A US Pending

Novel Phase B US Pending

Novel Phase C US Pending



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