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Full-Text Articles in Electrical and Computer Engineering

Comparison Of Lithium-Ion Anode Materials Using An Experimentally Verified Physics-Based Electrochemical Model, Rujian Fu, Xuan Joe Zhou, Hengbin Fan, Douglas Blaisdell, Ajay Jagadale, Xi Zhang, Rui Xiong Nov 2017

Comparison Of Lithium-Ion Anode Materials Using An Experimentally Verified Physics-Based Electrochemical Model, Rujian Fu, Xuan Joe Zhou, Hengbin Fan, Douglas Blaisdell, Ajay Jagadale, Xi Zhang, Rui Xiong

Electrical & Computer Engineering Publications

Researchers are in search of parameters inside Li-ion batteries that can be utilized to control their external behavior. Physics-based electrochemical model could bridge the gap between Li+ transportation and distribution inside battery and battery performance outside. In this paper, two commercially available Li-ion anode materials: graphite and Lithium titanate (Li4Ti5O12 or LTO) were selected and a physics-based electrochemical model was developed based on half-cell assembly and testing. It is found that LTO has a smaller diffusion coefficient (Ds) than graphite, which causes a larger overpotential, leading to a smaller capacity utilization and, correspondingly, a shorter duration of constant current charge …


Advanced Energy Storage Technologies And Their Applications (Aesa2017), Rui Xiong, Hailong Li, Xuan Joe Zhou Sep 2017

Advanced Energy Storage Technologies And Their Applications (Aesa2017), Rui Xiong, Hailong Li, Xuan Joe Zhou

Electrical & Computer Engineering Publications

This editorial summarizes the performance of the special issue entitled Advanced Energy Storage Technologies and Applications (AESA), which is published in MDPI’s Energies journal in 2017. The special issue includes a total of 22 papers from four countries. Lithium-ion battery, electric vehicle, and energy storage were the topics attracting the most attentions. New methods have been proposed with very sound results.


Smart: Small Machine For Research And Teaching, Nozar Tabrizi Feb 2017

Smart: Small Machine For Research And Teaching, Nozar Tabrizi

Electrical & Computer Engineering Publications

We introduce SMaRT, a 16-bit single-cycle RISC-type processor with 16-bit-wide instructions. SMaRT features the novel concept of 2.5-address instructions to avoid the data loss that inherently exists in 2-address processors. Additionally, SMaRT’s short-branch instructions take advantage of the temporal locality of reference in accessing the upper or lower halves of the CPU’s 16x16 orthogonal register file. This allows SMaRT to significantly extend the range of the short-branch instructions. We show that these novelties are achieved at almost no performance cost and negligible hardware cost. SMaRT has four operation modes, namely Single-Step, to execute one instruction at a time, Manual, to …