WHITE PAPER
Characterization of high-voltage LI1.0NI0.5MN1.5O4 and correspondence between NI content in spinel lattice size and 4V capacity

Battery cells featuring this material have a high energy density and are significantly cheaper compared to cells with high-nickel tri-metal cathode materials such as NCA and NMC811. This is because LNMO is cobalt-free, low in nickel and has a high operating potential of 4.7 V vs. Li/Li+. The latter also reduces the amount of anode needed to obtain a certain energy in the battery.

This white paper contains:

X-ray diffraction: Powder X-ray diffraction data is collected on one of our analytical instruments configured in Bragg–Brentano mode using Cu Kα radiation (λ = 1.541 Å).
Transmission electron microscopy: To investigate the internal microstructure of the material with nanometer resolution we have refined a technique to prepare very thin cross sections of the particles using a focused ion beam (FIB) and analyzed these using scanning transmission electron microscopy (STEM).
Electrochemical screening in half cells: Our internal screening of materials has three main criteria.
Correspondence between Ni content in sponel, lattice size and 4V capacity: By combining high-quality characterization with electrochemical testing and detailed data analysis, we have been able to demonstrate a close correspondence between the Ni content in the spinel, the lattice size and the 4V capacity.
About TBM-129: Topsoe Battery Material 129 (TBM-129) is an LNMO high-voltage spinel material.

Download the whitepaper to learn more.

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About Topsoe

Founded in 1940, Topsoe is a leading global developer and supplier of decarbonization technology, catalysts, and services for the energy transition.

Our mission is to combat climate change by helping our partners and customers achieve their decarbonization and emission-reduction targets, including those in hard-to-abate sectors such as aviation, shipping, and the production of raw materials. From carbon reduction chemicals to renewable fuels and plastic upcycling, we are uniquely positioned to aid humanity in realizing a sustainable future.

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