Researchers at Japans AIST Propose a Rechargeable Ni-Li Battery with Hybrid Electrolyte; Ultrahigh Theoretical Energy Density Plus High Power Potential

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Key components, cell voltage, and cell capacity of Li-ion battery (a), Ni-MH battery (b), and the proposed Ni-Li battery (c). Credit: ACS, Li et al. The proposed Ni-Li battery offers both a high cell voltage (3.49 V) and a large cell capacity (268 mAh/kg), which together create an ultrahigh energy density. With the same calculations, NiMh offers 214 Wh/kg, and cobalt oxide Li-ion cells offer 414 Wh/kg.

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New Nickel-Lithium Battery Has Ultra-High Energy Density

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Researchers at Japan's National Institute of Advanced Industrial Science and Technology (AIST) have succeeded in making the world's first Ni-Li battery, a formulation that holds more than 3.5 times the energy of Li-ion batteries and doesn't run the risk of catching fire.

Researchers discover how nickel may inhibit charge/discharge rate in Li-ion batteries

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Simulated zone projection image based on LMNO crystal model with 20% Ni/Li disorder corresponding to blue rectangle. Simulated zone projection image based on LMNO crystal model with 10% Ni/Li disorder corresponding to white rectangle. A research team from the US Department of Energy’s (DOE) Pacific Northwest National Laboratory (PNNL) and Argonne National Laboratory (ANL), with colleagues from FEI, Inc. Ni 0.2 BatteriesImage of LMNO surface layer.

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