A universal matching approach for high power-density and high cycling-stability lithium ion capacitor

Jin, Liming; Guo, Xin; Shen, Chao; Qin, Nan; Zheng, Junsheng; Wu, Qiang; Zhang, Cunman; Zheng, Jim P.

doi:10.1016/j.jpowsour.2019.227211

Cited by 54 publications

(44 citation statements)

References 39 publications

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“…As it has been demonstrated by the group of Prof. Zheng, the use of lithium metal as pre‐lithiation agent has shown to be an effective manner to compensate the lack of lithium ions in the system, suitable for industrialization. Nevertheless, the difficulty of controlling the pre‐lithiation degree by SLMP needs for more research on the topic [42–44] . In addition, the use of such an air sensitive agent makes mandatory the utilization of an inert atmosphere for the fabrication of the devices, what remarkably increases the cost of the technology.…”

Section: Pre‐lithiation Strategies Towards Industrial Development: An Overviewmentioning

confidence: 99%

Pre‐Lithiation Strategies for Lithium Ion Capacitors: Past, Present, and Future

Arnaiz

Ajuria

2021

Batteries & Supercaps

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Lithium ion capacitor (LIC) is an emerging technology that holds promise to bridge the energy‐to‐power gap between already market stablished lithium ion battery and electrochemical double‐layer capacitor technologies. Academic research is mainly focused on increasing energy, power and cycle life metrics, but next, pre‐lithiation strategy is the key that will open the final door, or not, towards industrialization and commercialization of the technology. Its relevance has only recently been thoroughly considered, but several strategies, all with their own particular set of assets, are already available within the state‐of‐the‐art. It is the right moment to make a retrospective review analysis of the pros and cons of each of the strategies, in order to draw the correct conclusions and look into the future with the best perspective. Despite some reviews newly considered the topic, they were all done in a broader framework, what finally waters down the importance of this critical step. Thus, this review aims to solely focus on the pre‐lithiation strategies that have been reported so far for LICs, from the first academic auxiliary lithium metal approach to the latest novel strategies. To conclude, challenges and requierements that the ideal pre‐lithiation strategy should fulfil in order to foster market uptake of LIC technology are also discussed.

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Section: Pre‐lithiation Strategies Towards Industrial Development: An Overviewmentioning

confidence: 99%

Pre‐Lithiation Strategies for Lithium Ion Capacitors: Past, Present, and Future

Arnaiz

Ajuria

2021

Batteries & Supercaps

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“…On the other hand, the porosity of LIB‐type anode is much lower than AC, which will reduce the usage of electrolyte. In general, the weight of the LIC cell will be largely reduced resulting in higher energy density and power density [15,16] In an EC, the potentials of cathode and anode are always higher than 1.0 V and thus the aluminum (Al) foil is selected as current collector for both cathode and anode.…”

Section: Evaluations Of Practical Licmentioning

confidence: 99%

Section: Evaluations Of Practical Licmentioning

confidence: 99%

“…As shown in Figure 5, the anode materials at lower potential range exhibit poor reaction kinetic behavior and cycling durability due to the extreme volume change and lattice strain; while at higher potential range with low kinetic behavior due to small lattice distance. By means of pre‐lithiation treatment, the middle part with better kinetic behavior and cycling stability is selected to match with cathode for better power density and cycling lifespan, in which, energy density is also sacrificed due to the narrowed voltage range [15,31] …”

Section: Evaluations Of Practical Licmentioning

confidence: 99%

“…In general, the weight of the LIC cell will be largely reduced resulting in higher energy density and power density. [15,16] 5) In an EC, the potentials of cathode and anode are always higher than 1.0 V and thus the aluminum (Al) foil is selected as current collector for both cathode and anode. In contrast, the anode potential in a LIC is reduced to values lower than 1.0 V vs Li/Li + and even 0.1 V vs Li/Li + .…”

Section: Key Characteristics Of Licsmentioning

confidence: 99%

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An Overview on Design Parameters of Practical Lithium‐Ion Capacitors

Jin

Yuan

Shellikeri

et al. 2021

Batteries & Supercaps

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Lithium‐ion capacitors (LICs), composed of a lithium ion battery (LIB)‐type electrode and an electrochemical capacitor (EC)‐type electrode (non‐Faradic), operating in a lithium ion‐containing electrolyte, have the potential to deliver high energy density, high power density and long cycle life simultaneously. In this minireview, we focus on the development of practical LICs, which has been barely introduced in previous reviews, to supplement their development course. This minireview includes the introduction of fundamentals, analysis of the key parameters, and review of the key technologies of practical LIC systems. The practical LIC technologies have been summarized and discussed in contrast to the commercial ECs. Finally, we propose the future research for LICs in terms of materials and their properties, which aims to provide guidelines for the researchers in the fields of LICs.

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Over‐Potential Tailored Thin and Dense Lithium Carbonate Growth in Solid Electrolyte Interphase for Advanced Lithium Ion Batteries

Qin

Jin

et al. 2022

Advanced Energy Materials

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A stable solid electrolyte interphase (SEI) is highly desired to prevent parasitic reactions during normal operation of lithium‐ion batteries (LIBs). Lithium carbonate (Li2CO3) is one of the most significant components for smooth SEI passivation layers; while the formation mechanism and special distribution of the Li2CO3 layer has not yet been illustrated. Here, an over‐potential tailored Li2CO3 growth mechanism based on the typical hard carbon anode is demonstrated. With an increase in the over‐potential, the size of Li2CO3 decreases gradually as the amount increases. When the over‐potential is large (potential at 0.01 V), a Li2CO3‐rich thin and dense inorganic layer with the average thickness of 4.4 nm in the SEI is constructed. The special SEI the completely wraps the boundaries of the anode enables a larger Li‐ion de‐solvation energy barrier and a lower Li‐ion diffusion energy barrier, which supports low self‐discharge behavior and a fast kinetic rate at the anode. More generally, this Li2CO3 growth mechanism is also applicable to commercialized graphite anodes and similar results are also obtained. Therefore, this work provides a new insight into the Li2CO3 growth mechanism in SEIs, as well as a guideline for the design of stable artificial SEIs.

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A universal matching approach for high power-density and high cycling-stability lithium ion capacitor

Cited by 54 publications

References 39 publications

Pre‐Lithiation Strategies for Lithium Ion Capacitors: Past, Present, and Future

Pre‐Lithiation Strategies for Lithium Ion Capacitors: Past, Present, and Future

An Overview on Design Parameters of Practical Lithium‐Ion Capacitors

Over‐Potential Tailored Thin and Dense Lithium Carbonate Growth in Solid Electrolyte Interphase for Advanced Lithium Ion Batteries

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