Computational modeling of sodium-iodine secondary batteries

Zhu, Huayang; Kee, Robert J.

doi:10.1016/j.electacta.2016.09.104

Cited by 15 publications

(17 citation statements)

References 34 publications

(27 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The following section states the thermodynamics of a liquid sodium–iodine secondary battery. The electrochemical model builds up on the 1D model established by Zhu and Kee [ 8 ] and is described in detail there. The underlying basic thermodynamics are textbook knowledge.…”

Section: Mathematical and Numerical Modelmentioning

confidence: 99%

“…The surface fluxes J k contain a diffusion component and migration component in a Nernst–Planck formulation that is estimated based on dilute solution theory. [ 8,32 ]

{boldJ}_{boldk} = - D_{k}^{el} \nabla [X_{k}] - \frac{z_{k} F}{R T} D_{k}^{el} [X_{k}] \nabla {normalΦ}_{el}

…”

Section: Mathematical and Numerical Modelmentioning

confidence: 99%

“…Zhu and Kee derive it from the elementary Marcus form of the adsorption step (Equation (8)). [ 8 ]

i_{0} = i °_{0} \frac{{(\frac{[{normalI}_{2}]}{{false[I_{2} false]}^{*}})}^{\frac{β_{a}}{2}} ({\frac{[{normalI}^{-}]}{{false[I^{-} false]}^{*}})}^{1 - β_{a}}}{1 + {(\frac{[{normalI}_{2}]}{{false[I_{2} false]}^{*}})}^{\frac{1}{2}}}

…”

Section: Mathematical and Numerical Modelmentioning

confidence: 99%

“…Although these batteries are theoretically described in the literature, [ 8 ] the detailed processes inside the battery are not well understood. Quantities like initial species concentrations, C‐rate, cell design, and cathode geometry have large impacts on the overall battery performance.…”

Section: Introductionmentioning

confidence: 99%

“…Zhu and Kee [ 8 ] indicated that exceeding solubility limits or depletion of reacting species define the operating window of a sodium iodine battery. This publication continues the research on aqueous sodium iodine batteries by setting up a 3D simulation model.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

3D Simulation of Cell Design Influences on Sodium–Iodine Battery Performance

2021

View full text Add to dashboard Cite

This publication deals with the spatially resolved simulation of a sodium–iodine secondary battery. The anode compartment consists of molten sodium and the cathode compartment contains a high‐conductivity metal disc as electrode and an aqueous catholyte. The latter comprises iodide, triiodide, dissolved iodine, and sodium ions. A finite volume approach is proposed to model the transport processes and electrochemical reactions focusing on the positive half‐cell. The study investigates the influences of cathode length, C‐rate, electric conductivity, and molar concentrations on cell performance. It considers solubility limits and predicts diffusion limitation as the major constraint for the operating window. The presented investigations are confined to a simple cathode geometry. However, the results demonstrate the capability of the model to design sodium–iodine half‐cells.

show abstract

Section: Mathematical and Numerical Modelmentioning

confidence: 99%

“…The surface fluxes J k contain a diffusion component and migration component in a Nernst–Planck formulation that is estimated based on dilute solution theory. [ 8,32 ]

{boldJ}_{boldk} = - D_{k}^{el} \nabla [X_{k}] - \frac{z_{k} F}{R T} D_{k}^{el} [X_{k}] \nabla {normalΦ}_{el}

…”

Section: Mathematical and Numerical Modelmentioning

confidence: 99%

“…Zhu and Kee derive it from the elementary Marcus form of the adsorption step (Equation (8)). [ 8 ]

i_{0} = i °_{0} \frac{{(\frac{[{normalI}_{2}]}{{false[I_{2} false]}^{*}})}^{\frac{β_{a}}{2}} ({\frac{[{normalI}^{-}]}{{false[I^{-} false]}^{*}})}^{1 - β_{a}}}{1 + {(\frac{[{normalI}_{2}]}{{false[I_{2} false]}^{*}})}^{\frac{1}{2}}}

…”

Section: Mathematical and Numerical Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

3D Simulation of Cell Design Influences on Sodium–Iodine Battery Performance

2021

View full text Add to dashboard Cite

show abstract

An Ultrastable Aqueous Iodine‐Hydrogen Gas Battery

Zhu

Meng

Cui

et al. 2021

Adv Funct Materials

View full text Add to dashboard Cite

Rechargeable hydrogen gas batteries are highly desirable for large‐scale energy storage because of their long life cycle, high round trip efficiency, fast reaction kinetics, and hydrogen gas profusion. Coupling advanced cathode chemistries with hydrogen gas anode is an emerging and exciting area of research. Here, a novel high‐performance aqueous iodine‐hydrogen gas (I2‐H2) battery using iodine as cathode and hydrogen gas as the electrocatalytic anode in environmentally benign aqueous electrolytes is reported. The working chemistry of the battery involves I2/I− solid‐liquid reactions occurring over the cathode along with H2/H2O gas‐liquid reactions at the anode, achieving a high rate performance of 100 C and long‐lasting stability of over 60 000 cycles. Additionally, the static aqueous I2‐H2 battery displays a volumetric capacity of 15.5 Ah L−1 along with good self‐healing capability towards cell overcharge. The current battery design exhibits robust electrochemical performance irrespective of acidic, neutral, and alkaline electrolyte systems. This study paves the way towards the industrialization of economically effective, high‐power density, and long‐term I2‐H2 batteries for large‐scale energy storage applications.

show abstract

Toward Sustainable Metal‐Iodine Batteries: Materials, Electrochemistry and Design Strategies

Wang

Zheng

et al. 2023

Angewandte Chemie

View full text Add to dashboard Cite

Due to the natural abundance of iodine, cost‐effective, and sustainability, metal‐iodine batteries are competitive for the next‐generation energy storage systems with high energy density, and large power density. However, the inherent properties of iodine such as electronic insulation and shuttle behavior of soluble iodine species affect negatively rate performance, cyclability, and self‐discharge behavior of metal‐iodine batteries, while the dendrite growth and metal corrosion on the anode side brings potential safety hazards and inferior durability. These problems of metal‐iodine system still exist and need to be solved urgently. Herein, we summarize the research progress of metal‐iodine batteries in the past decades. Firstly, the classification, design strategy and reaction mechanism of iodine electrode are briefly outlined. Secondly, the current development and protection strategy of conventional metal anodes in metal‐iodine batteries are highlighted, and some potential anode materials and their design strategies are proposed. Thirdly, the key electrochemical parameters of state‐of‐art metal‐iodine batteries are compared and analyzed to solve critical issues for realizing next‐generation iodine‐based energy storage systems. Therefore, the aim of this review is to promote the development of metal‐iodine batteries and provide guidelines for their design.

show abstract

Computational modeling of sodium-iodine secondary batteries

Cited by 15 publications

References 34 publications

3D Simulation of Cell Design Influences on Sodium–Iodine Battery Performance

3D Simulation of Cell Design Influences on Sodium–Iodine Battery Performance

An Ultrastable Aqueous Iodine‐Hydrogen Gas Battery

Toward Sustainable Metal‐Iodine Batteries: Materials, Electrochemistry and Design Strategies

Contact Info

Product

Resources

About