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“Lithium Metal Phosphate Batteries” Patent Landscape 2011
France Innovation Scientifique et Transfert, FIST SA, July 2011
The 2011 version of LiMPO4 patent landscape details the emergence (or strong recent implication) of several new players (IRICO, BASF, ALEEES, TDK) as well as the strengthening of companies in the field (TOYOTA, GS YUASA). With over 500 new patents analysed, and besides the type of material claimed (which was already in the 2010 report) this new version adds a whole new set of special features:
- the type of claims (LiMPO4 material, LiMPO4 synthesis, LiMPO4 mixture…)
- the type of claimed conductive agent
- the type of claimed partial substitution of Li, P or O
In the current roadmap on emerging battery technologies, LiMPO4 cathodes raises high hope concerning the possibility of efficient energy storage at high charge and discharge rate, thus raising the technical potential of hybrid and plug-in hybrid electric vehicles as well as wind and solar energy storage. Moreover, because of the safety issues raised by Li-ion batteries, LiMPO4 cathodes are of crucial interest for battery manufacturers and even end-users of batteries.
This interest results in a very high research and patenting activity in the last years. While a “patent war” has been engaged for a long time concerning the Dr. Goodenough key patent, other actors are building up their portfolio notably in China where this key patent is not extended.
The present report analyses the patent environment and notably highlights the strategy of current major players which are not necessarily the major patent holders. The question can be raised for a few of them of their possibility to evolve rapidly enough to maintain their market position towards better protected competitors.
In a sector where more than 1800 patents and patent applications have been filed, this « IP Overview – LiMPO4 cathodes » provides you with a comprehensive panorama of the intellectual property landscape and helps you:
- Position your company’s R&D and IP Portfolio notably regarding to the University of Texas patent portfolio
- Identify key inventors and key players involved in specific compositions of cathode
- Understand the collaboration networks and theirs dynamics
N.B.: A three months access to the full patent database is also included
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