Barker's Battery Blog: Li2FePO4F - A Fluorophosphate active material for Li-ion Applications

Friday, 12 February 2010

Li2FePO4F - A Fluorophosphate active material for Li-ion Applications

Following on from our previous discussions regarding the LiMPO4F (M = Fe, Mn, V, Cr etc.) and Li2MPO4F (M = Fe, Mn, Co, Ni etc.) active materials for Li-ion applications, a recent paper by Linda Nazar et al. describes the electrochemistry of the LiFePO4F- Li2FePO4F insertion system. The abstract to this manuscript may be found here:

Tavorite Lithium Iron Fluorophosphate Cathode Materials, ESL 13, A43, 2010

The use of these materials in Li-ion batteries is covered in several US patents and patent applications (inventors J. Barker and co-workers).

Jerry

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Barker's Battery Blog

Jerry Barker is currently co-founder and Chief Scientist of Faradion Limited, a UK-based start-up company specializing in next generation Na-ion battery technology. The company has state-of-the-art R&D labs and prototype manufacturing facilities in the UK. Check out the company website here:

http://www.faradion.co.uk/

In May 2019, Jerry was appointed Honorary Professor within the School of Chemistry at the University of St. Andrews.

Jerry Barker also runs an independent technology consultant, specializing in the energy storage sector. He may be contacted here:

jerrybarker@gmail.com

Jerry has worked in the UK, Denmark and the US and has managed materials research labs in Europe and North America. He is currently located in the UK where he has consulted for, and advised a number of battery R&D companies, varying in size from small university startup to global multinational. He has also consulted and advised on solar photovoltaics (PV) where he is widely regarded as a world expert on the electrodeposition of thin film semiconductors for PV and other applications. In his early career Jerry spent time at UCSB where he collaborated with the Nobel prize winners Alan Heeger and Hideki Shirakawa on alkali metal doped polyacetylene.

Jerry has published extensively in the energy storage area (h-index = 56, total number of citations >11,000) and is a named inventor on more than 120 issued US patents. He has appeared as a patent litigation expert witness in Europe and in North America. He has also acted as the due diligence technical expert for a number of VC-backed startup companies. Additional information on Jerry's background may be found at the website:

http://www.jerrybarker.co.uk/

Jerry currently acts as an Expert Panel member for the UK's Faraday Institution and as a Board Member of the UK LiBATT consortium.

The articles and comments posted on this blog will simply be Jerry's own personal opinions. Much of the emphasis will be placed on the recent news stories involving Energy Storage Systems - especially Lithium metal anode, Lithium-ion and Sodium-ion Batteries - and Thin-film Photovoltaics.

Please feel free to add useful comments and suggestions - these will help to keep the discussions alive. I will try to respond to these postings as they are made.

Jerry