This paper describes the development of a Battery Management System (BMS) State of Charge/Health (SOC/SOH) algorithm that was developed and proven for three different lithium ion based cell chemistries (nanophosphate, lithium manganese oxide, lithium iron phosphate). In addition, a universal BMS architecture based on this algorithm was developed that can support other chemistries, capacities, a...

We designed a facile one-pot method to synthesize iron oxide/activated carbon nanotubes (IO/ACNTs) using as-prepared carbon nanotubes (APCNTs) modified by alkali solid-activation. The open-ended CNTs and iron oxide loading could be realized in one step. The resulting IO/ACNT hybrids, as an anode material for lithium-ion batteries (LIBs), exhibited high reversible lithium storage capacity and ex...

Phosphorus is an essential nutrient for all living organisms. In bacteria, the preferential phosphorus source is phosphate, which is often a limiting macronutrient in many areas of the ocean. The geochemical cycle of phosphorus is strongly interconnected with the cycles of other elements and especially iron, because phosphate tends to adsorb onto iron minerals, such as iron oxide formed in oxic...

Cerium-doped lithium niobate crystals are tested for holographic recording. A photochromic effect is observed in crystals doped with cerium and manganese. But two-center recording in the sample is not as effective as in iron and manganese doubly doped crystals. Photocurrent measurements in cerium and iron singly doped crystals indicate that the photovoltaic constant in the cerium-doped crystal ...

The effects of LiMn0.7Fe0.3PO4/C (LMFP) species on the electrochemical performance blended cathodes LiNi0.5Mn0.3Co0.2O2 (NMC) and LMFP are examined. Two types LMFPs synthesized by hydrothermal method (LMFP-1) solid-state reaction (LMFP-2) leading to different physical characteristics uniformity primary particles. NMC LMFP-1 show higher discharge capacity, gravimetric energy density, rate capabi...

Accurate estimation of the state charge (SOC) and temperature batteries is essential to ensure safety energy storage systems. However, it very difficult obtain multiple states battery with fewer sensors. In this paper, a joint method for lithium iron phosphate battery’s SOC based on ultrasonic reflection waves proposed. A piezoelectric transducer affixed surface ultrasonic–electric transduction...